/* * Copyright 2010 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Alex Deucher */ #include #include #include #include "drmP.h" #include "radeon.h" #include "radeon_asic.h" #include "radeon_drm.h" #include "evergreend.h" #include "atom.h" #include "avivod.h" #include "evergreen_reg.h" #include "evergreen_blit_shaders.h" #define EVERGREEN_PFP_UCODE_SIZE 1120 #define EVERGREEN_PM4_UCODE_SIZE 1376 static void evergreen_gpu_init(struct radeon_device *rdev); void evergreen_fini(struct radeon_device *rdev); static void evergreen_pcie_gen2_enable(struct radeon_device *rdev); void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc) { struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc]; u32 tmp; /* make sure flip is at vb rather than hb */ tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset); tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN; WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); /* set pageflip to happen anywhere in vblank interval */ WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); /* enable the pflip int */ radeon_irq_kms_pflip_irq_get(rdev, crtc); } void evergreen_post_page_flip(struct radeon_device *rdev, int crtc) { /* disable the pflip int */ radeon_irq_kms_pflip_irq_put(rdev, crtc); } u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) { struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset); /* Lock the graphics update lock */ tmp |= EVERGREEN_GRPH_UPDATE_LOCK; WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); /* update the scanout addresses */ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, upper_32_bits(crtc_base)); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, (u32)crtc_base); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, upper_32_bits(crtc_base)); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, (u32)crtc_base); /* Wait for update_pending to go high. */ while (!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING)); DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); /* Unlock the lock, so double-buffering can take place inside vblank */ tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK; WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp); /* Return current update_pending status: */ return RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING; } /* get temperature in millidegrees */ u32 evergreen_get_temp(struct radeon_device *rdev) { u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >> ASIC_T_SHIFT; u32 actual_temp = 0; if ((temp >> 10) & 1) actual_temp = 0; else if ((temp >> 9) & 1) actual_temp = 255; else actual_temp = (temp >> 1) & 0xff; return actual_temp * 1000; } u32 sumo_get_temp(struct radeon_device *rdev) { u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff; u32 actual_temp = (temp >> 1) & 0xff; return actual_temp * 1000; } void evergreen_pm_misc(struct radeon_device *rdev) { int req_ps_idx = rdev->pm.requested_power_state_index; int req_cm_idx = rdev->pm.requested_clock_mode_index; struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx]; struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage; if ((voltage->type == VOLTAGE_SW) && voltage->voltage) { if (voltage->voltage != rdev->pm.current_vddc) { radeon_atom_set_voltage(rdev, voltage->voltage); rdev->pm.current_vddc = voltage->voltage; DRM_DEBUG("Setting: v: %d\n", voltage->voltage); } } } void evergreen_pm_prepare(struct radeon_device *rdev) { struct drm_device *ddev = rdev->ddev; struct drm_crtc *crtc; struct radeon_crtc *radeon_crtc; u32 tmp; /* disable any active CRTCs */ list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { radeon_crtc = to_radeon_crtc(crtc); if (radeon_crtc->enabled) { tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset); tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); } } } void evergreen_pm_finish(struct radeon_device *rdev) { struct drm_device *ddev = rdev->ddev; struct drm_crtc *crtc; struct radeon_crtc *radeon_crtc; u32 tmp; /* enable any active CRTCs */ list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { radeon_crtc = to_radeon_crtc(crtc); if (radeon_crtc->enabled) { tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset); tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp); } } } bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) { bool connected = false; switch (hpd) { case RADEON_HPD_1: if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE) connected = true; break; case RADEON_HPD_2: if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE) connected = true; break; case RADEON_HPD_3: if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE) connected = true; break; case RADEON_HPD_4: if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE) connected = true; break; case RADEON_HPD_5: if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE) connected = true; break; case RADEON_HPD_6: if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE) connected = true; break; default: break; } return connected; } void evergreen_hpd_set_polarity(struct radeon_device *rdev, enum radeon_hpd_id hpd) { u32 tmp; bool connected = evergreen_hpd_sense(rdev, hpd); switch (hpd) { case RADEON_HPD_1: tmp = RREG32(DC_HPD1_INT_CONTROL); if (connected) tmp &= ~DC_HPDx_INT_POLARITY; else tmp |= DC_HPDx_INT_POLARITY; WREG32(DC_HPD1_INT_CONTROL, tmp); break; case RADEON_HPD_2: tmp = RREG32(DC_HPD2_INT_CONTROL); if (connected) tmp &= ~DC_HPDx_INT_POLARITY; else tmp |= DC_HPDx_INT_POLARITY; WREG32(DC_HPD2_INT_CONTROL, tmp); break; case RADEON_HPD_3: tmp = RREG32(DC_HPD3_INT_CONTROL); if (connected) tmp &= ~DC_HPDx_INT_POLARITY; else tmp |= DC_HPDx_INT_POLARITY; WREG32(DC_HPD3_INT_CONTROL, tmp); break; case RADEON_HPD_4: tmp = RREG32(DC_HPD4_INT_CONTROL); if (connected) tmp &= ~DC_HPDx_INT_POLARITY; else tmp |= DC_HPDx_INT_POLARITY; WREG32(DC_HPD4_INT_CONTROL, tmp); break; case RADEON_HPD_5: tmp = RREG32(DC_HPD5_INT_CONTROL); if (connected) tmp &= ~DC_HPDx_INT_POLARITY; else tmp |= DC_HPDx_INT_POLARITY; WREG32(DC_HPD5_INT_CONTROL, tmp); break; case RADEON_HPD_6: tmp = RREG32(DC_HPD6_INT_CONTROL); if (connected) tmp &= ~DC_HPDx_INT_POLARITY; else tmp |= DC_HPDx_INT_POLARITY; WREG32(DC_HPD6_INT_CONTROL, tmp); break; default: break; } } void evergreen_hpd_init(struct radeon_device *rdev) { struct drm_device *dev = rdev->ddev; struct drm_connector *connector; u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); switch (radeon_connector->hpd.hpd) { case RADEON_HPD_1: WREG32(DC_HPD1_CONTROL, tmp); rdev->irq.hpd[0] = true; break; case RADEON_HPD_2: WREG32(DC_HPD2_CONTROL, tmp); rdev->irq.hpd[1] = true; break; case RADEON_HPD_3: WREG32(DC_HPD3_CONTROL, tmp); rdev->irq.hpd[2] = true; break; case RADEON_HPD_4: WREG32(DC_HPD4_CONTROL, tmp); rdev->irq.hpd[3] = true; break; case RADEON_HPD_5: WREG32(DC_HPD5_CONTROL, tmp); rdev->irq.hpd[4] = true; break; case RADEON_HPD_6: WREG32(DC_HPD6_CONTROL, tmp); rdev->irq.hpd[5] = true; break; default: break; } } if (rdev->irq.installed) evergreen_irq_set(rdev); } void evergreen_hpd_fini(struct radeon_device *rdev) { struct drm_device *dev = rdev->ddev; struct drm_connector *connector; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); switch (radeon_connector->hpd.hpd) { case RADEON_HPD_1: WREG32(DC_HPD1_CONTROL, 0); rdev->irq.hpd[0] = false; break; case RADEON_HPD_2: WREG32(DC_HPD2_CONTROL, 0); rdev->irq.hpd[1] = false; break; case RADEON_HPD_3: WREG32(DC_HPD3_CONTROL, 0); rdev->irq.hpd[2] = false; break; case RADEON_HPD_4: WREG32(DC_HPD4_CONTROL, 0); rdev->irq.hpd[3] = false; break; case RADEON_HPD_5: WREG32(DC_HPD5_CONTROL, 0); rdev->irq.hpd[4] = false; break; case RADEON_HPD_6: WREG32(DC_HPD6_CONTROL, 0); rdev->irq.hpd[5] = false; break; default: break; } } } /* watermark setup */ static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc, struct drm_display_mode *mode, struct drm_display_mode *other_mode) { u32 tmp = 0; /* * Line Buffer Setup * There are 3 line buffers, each one shared by 2 display controllers. * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between * the display controllers. The paritioning is done via one of four * preset allocations specified in bits 2:0: * first display controller * 0 - first half of lb (3840 * 2) * 1 - first 3/4 of lb (5760 * 2) * 2 - whole lb (7680 * 2) * 3 - first 1/4 of lb (1920 * 2) * second display controller * 4 - second half of lb (3840 * 2) * 5 - second 3/4 of lb (5760 * 2) * 6 - whole lb (7680 * 2) * 7 - last 1/4 of lb (1920 * 2) */ if (mode && other_mode) { if (mode->hdisplay > other_mode->hdisplay) { if (mode->hdisplay > 2560) tmp = 1; /* 3/4 */ else tmp = 0; /* 1/2 */ } else if (other_mode->hdisplay > mode->hdisplay) { if (other_mode->hdisplay > 2560) tmp = 3; /* 1/4 */ else tmp = 0; /* 1/2 */ } else tmp = 0; /* 1/2 */ } else if (mode) tmp = 2; /* whole */ else if (other_mode) tmp = 3; /* 1/4 */ /* second controller of the pair uses second half of the lb */ if (radeon_crtc->crtc_id % 2) tmp += 4; WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp); switch (tmp) { case 0: case 4: default: if (ASIC_IS_DCE5(rdev)) return 4096 * 2; else return 3840 * 2; case 1: case 5: if (ASIC_IS_DCE5(rdev)) return 6144 * 2; else return 5760 * 2; case 2: case 6: if (ASIC_IS_DCE5(rdev)) return 8192 * 2; else return 7680 * 2; case 3: case 7: if (ASIC_IS_DCE5(rdev)) return 2048 * 2; else return 1920 * 2; } } static u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev) { u32 tmp = RREG32(MC_SHARED_CHMAP); switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { case 0: default: return 1; case 1: return 2; case 2: return 4; case 3: return 8; } } struct evergreen_wm_params { u32 dram_channels; /* number of dram channels */ u32 yclk; /* bandwidth per dram data pin in kHz */ u32 sclk; /* engine clock in kHz */ u32 disp_clk; /* display clock in kHz */ u32 src_width; /* viewport width */ u32 active_time; /* active display time in ns */ u32 blank_time; /* blank time in ns */ bool interlaced; /* mode is interlaced */ fixed20_12 vsc; /* vertical scale ratio */ u32 num_heads; /* number of active crtcs */ u32 bytes_per_pixel; /* bytes per pixel display + overlay */ u32 lb_size; /* line buffer allocated to pipe */ u32 vtaps; /* vertical scaler taps */ }; static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm) { /* Calculate DRAM Bandwidth and the part allocated to display. */ fixed20_12 dram_efficiency; /* 0.7 */ fixed20_12 yclk, dram_channels, bandwidth; fixed20_12 a; a.full = dfixed_const(1000); yclk.full = dfixed_const(wm->yclk); yclk.full = dfixed_div(yclk, a); dram_channels.full = dfixed_const(wm->dram_channels * 4); a.full = dfixed_const(10); dram_efficiency.full = dfixed_const(7); dram_efficiency.full = dfixed_div(dram_efficiency, a); bandwidth.full = dfixed_mul(dram_channels, yclk); bandwidth.full = dfixed_mul(bandwidth, dram_efficiency); return dfixed_trunc(bandwidth); } static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm) { /* Calculate DRAM Bandwidth and the part allocated to display. */ fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */ fixed20_12 yclk, dram_channels, bandwidth; fixed20_12 a; a.full = dfixed_const(1000); yclk.full = dfixed_const(wm->yclk); yclk.full = dfixed_div(yclk, a); dram_channels.full = dfixed_const(wm->dram_channels * 4); a.full = dfixed_const(10); disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */ disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a); bandwidth.full = dfixed_mul(dram_channels, yclk); bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation); return dfixed_trunc(bandwidth); } static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm) { /* Calculate the display Data return Bandwidth */ fixed20_12 return_efficiency; /* 0.8 */ fixed20_12 sclk, bandwidth; fixed20_12 a; a.full = dfixed_const(1000); sclk.full = dfixed_const(wm->sclk); sclk.full = dfixed_div(sclk, a); a.full = dfixed_const(10); return_efficiency.full = dfixed_const(8); return_efficiency.full = dfixed_div(return_efficiency, a); a.full = dfixed_const(32); bandwidth.full = dfixed_mul(a, sclk); bandwidth.full = dfixed_mul(bandwidth, return_efficiency); return dfixed_trunc(bandwidth); } static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm) { /* Calculate the DMIF Request Bandwidth */ fixed20_12 disp_clk_request_efficiency; /* 0.8 */ fixed20_12 disp_clk, bandwidth; fixed20_12 a; a.full = dfixed_const(1000); disp_clk.full = dfixed_const(wm->disp_clk); disp_clk.full = dfixed_div(disp_clk, a); a.full = dfixed_const(10); disp_clk_request_efficiency.full = dfixed_const(8); disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a); a.full = dfixed_const(32); bandwidth.full = dfixed_mul(a, disp_clk); bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency); return dfixed_trunc(bandwidth); } static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm) { /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */ u32 dram_bandwidth = evergreen_dram_bandwidth(wm); u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm); u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm); return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth)); } static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm) { /* Calculate the display mode Average Bandwidth * DisplayMode should contain the source and destination dimensions, * timing, etc. */ fixed20_12 bpp; fixed20_12 line_time; fixed20_12 src_width; fixed20_12 bandwidth; fixed20_12 a; a.full = dfixed_const(1000); line_time.full = dfixed_const(wm->active_time + wm->blank_time); line_time.full = dfixed_div(line_time, a); bpp.full = dfixed_const(wm->bytes_per_pixel); src_width.full = dfixed_const(wm->src_width); bandwidth.full = dfixed_mul(src_width, bpp); bandwidth.full = dfixed_mul(bandwidth, wm->vsc); bandwidth.full = dfixed_div(bandwidth, line_time); return dfixed_trunc(bandwidth); } static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm) { /* First calcualte the latency in ns */ u32 mc_latency = 2000; /* 2000 ns. */ u32 available_bandwidth = evergreen_available_bandwidth(wm); u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth; u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth; u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */ u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) + (wm->num_heads * cursor_line_pair_return_time); u32 latency = mc_latency + other_heads_data_return_time + dc_latency; u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time; fixed20_12 a, b, c; if (wm->num_heads == 0) return 0; a.full = dfixed_const(2); b.full = dfixed_const(1); if ((wm->vsc.full > a.full) || ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) || (wm->vtaps >= 5) || ((wm->vsc.full >= a.full) && wm->interlaced)) max_src_lines_per_dst_line = 4; else max_src_lines_per_dst_line = 2; a.full = dfixed_const(available_bandwidth); b.full = dfixed_const(wm->num_heads); a.full = dfixed_div(a, b); b.full = dfixed_const(1000); c.full = dfixed_const(wm->disp_clk); b.full = dfixed_div(c, b); c.full = dfixed_const(wm->bytes_per_pixel); b.full = dfixed_mul(b, c); lb_fill_bw = min(dfixed_trunc(a), dfixed_trunc(b)); a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel); b.full = dfixed_const(1000); c.full = dfixed_const(lb_fill_bw); b.full = dfixed_div(c, b); a.full = dfixed_div(a, b); line_fill_time = dfixed_trunc(a); if (line_fill_time < wm->active_time) return latency; else return latency + (line_fill_time - wm->active_time); } static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm) { if (evergreen_average_bandwidth(wm) <= (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads)) return true; else return false; }; static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm) { if (evergreen_average_bandwidth(wm) <= (evergreen_available_bandwidth(wm) / wm->num_heads)) return true; else return false; }; static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm) { u32 lb_partitions = wm->lb_size / wm->src_width; u32 line_time = wm->active_time + wm->blank_time; u32 latency_tolerant_lines; u32 latency_hiding; fixed20_12 a; a.full = dfixed_const(1); if (wm->vsc.full > a.full) latency_tolerant_lines = 1; else { if (lb_partitions <= (wm->vtaps + 1)) latency_tolerant_lines = 1; else latency_tolerant_lines = 2; } latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time); if (evergreen_latency_watermark(wm) <= latency_hiding) return true; else return false; } static void evergreen_program_watermarks(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc, u32 lb_size, u32 num_heads) { struct drm_display_mode *mode = &radeon_crtc->base.mode; struct evergreen_wm_params wm; u32 pixel_period; u32 line_time = 0; u32 latency_watermark_a = 0, latency_watermark_b = 0; u32 priority_a_mark = 0, priority_b_mark = 0; u32 priority_a_cnt = PRIORITY_OFF; u32 priority_b_cnt = PRIORITY_OFF; u32 pipe_offset = radeon_crtc->crtc_id * 16; u32 tmp, arb_control3; fixed20_12 a, b, c; if (radeon_crtc->base.enabled && num_heads && mode) { pixel_period = 1000000 / (u32)mode->clock; line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535); priority_a_cnt = 0; priority_b_cnt = 0; wm.yclk = rdev->pm.current_mclk * 10; wm.sclk = rdev->pm.current_sclk * 10; wm.disp_clk = mode->clock; wm.src_width = mode->crtc_hdisplay; wm.active_time = mode->crtc_hdisplay * pixel_period; wm.blank_time = line_time - wm.active_time; wm.interlaced = false; if (mode->flags & DRM_MODE_FLAG_INTERLACE) wm.interlaced = true; wm.vsc = radeon_crtc->vsc; wm.vtaps = 1; if (radeon_crtc->rmx_type != RMX_OFF) wm.vtaps = 2; wm.bytes_per_pixel = 4; /* XXX: get this from fb config */ wm.lb_size = lb_size; wm.dram_channels = evergreen_get_number_of_dram_channels(rdev); wm.num_heads = num_heads; /* set for high clocks */ latency_watermark_a = min(evergreen_latency_watermark(&wm), (u32)65535); /* set for low clocks */ /* wm.yclk = low clk; wm.sclk = low clk */ latency_watermark_b = min(evergreen_latency_watermark(&wm), (u32)65535); /* possibly force display priority to high */ /* should really do this at mode validation time... */ if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm) || !evergreen_average_bandwidth_vs_available_bandwidth(&wm) || !evergreen_check_latency_hiding(&wm) || (rdev->disp_priority == 2)) { DRM_INFO("force priority to high\n"); priority_a_cnt |= PRIORITY_ALWAYS_ON; priority_b_cnt |= PRIORITY_ALWAYS_ON; } a.full = dfixed_const(1000); b.full = dfixed_const(mode->clock); b.full = dfixed_div(b, a); c.full = dfixed_const(latency_watermark_a); c.full = dfixed_mul(c, b); c.full = dfixed_mul(c, radeon_crtc->hsc); c.full = dfixed_div(c, a); a.full = dfixed_const(16); c.full = dfixed_div(c, a); priority_a_mark = dfixed_trunc(c); priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK; a.full = dfixed_const(1000); b.full = dfixed_const(mode->clock); b.full = dfixed_div(b, a); c.full = dfixed_const(latency_watermark_b); c.full = dfixed_mul(c, b); c.full = dfixed_mul(c, radeon_crtc->hsc); c.full = dfixed_div(c, a); a.full = dfixed_const(16); c.full = dfixed_div(c, a); priority_b_mark = dfixed_trunc(c); priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK; } /* select wm A */ arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset); tmp = arb_control3; tmp &= ~LATENCY_WATERMARK_MASK(3); tmp |= LATENCY_WATERMARK_MASK(1); WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp); WREG32(PIPE0_LATENCY_CONTROL + pipe_offset, (LATENCY_LOW_WATERMARK(latency_watermark_a) | LATENCY_HIGH_WATERMARK(line_time))); /* select wm B */ tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset); tmp &= ~LATENCY_WATERMARK_MASK(3); tmp |= LATENCY_WATERMARK_MASK(2); WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp); WREG32(PIPE0_LATENCY_CONTROL + pipe_offset, (LATENCY_LOW_WATERMARK(latency_watermark_b) | LATENCY_HIGH_WATERMARK(line_time))); /* restore original selection */ WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3); /* write the priority marks */ WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt); WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt); } void evergreen_bandwidth_update(struct radeon_device *rdev) { struct drm_display_mode *mode0 = NULL; struct drm_display_mode *mode1 = NULL; u32 num_heads = 0, lb_size; int i; radeon_update_display_priority(rdev); for (i = 0; i < rdev->num_crtc; i++) { if (rdev->mode_info.crtcs[i]->base.enabled) num_heads++; } for (i = 0; i < rdev->num_crtc; i += 2) { mode0 = &rdev->mode_info.crtcs[i]->base.mode; mode1 = &rdev->mode_info.crtcs[i+1]->base.mode; lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1); evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads); lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0); evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads); } } static int evergreen_mc_wait_for_idle(struct radeon_device *rdev) { unsigned i; u32 tmp; for (i = 0; i < rdev->usec_timeout; i++) { /* read MC_STATUS */ tmp = RREG32(SRBM_STATUS) & 0x1F00; if (!tmp) return 0; udelay(1); } return -1; } /* * GART */ void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev) { unsigned i; u32 tmp; WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1)); for (i = 0; i < rdev->usec_timeout; i++) { /* read MC_STATUS */ tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE); tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT; if (tmp == 2) { printk(KERN_WARNING "[drm] r600 flush TLB failed\n"); return; } if (tmp) { return; } udelay(1); } } int evergreen_pcie_gart_enable(struct radeon_device *rdev) { u32 tmp; int r; if (rdev->gart.table.vram.robj == NULL) { dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); return -EINVAL; } r = radeon_gart_table_vram_pin(rdev); if (r) return r; radeon_gart_restore(rdev); /* Setup L2 cache */ WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | EFFECTIVE_L2_QUEUE_SIZE(7)); WREG32(VM_L2_CNTL2, 0); WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2)); /* Setup TLB control */ tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | SYSTEM_ACCESS_MODE_NOT_IN_SYS | SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5); WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp); WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, (u32)(rdev->dummy_page.addr >> 12)); WREG32(VM_CONTEXT1_CNTL, 0); evergreen_pcie_gart_tlb_flush(rdev); rdev->gart.ready = true; return 0; } void evergreen_pcie_gart_disable(struct radeon_device *rdev) { u32 tmp; int r; /* Disable all tables */ WREG32(VM_CONTEXT0_CNTL, 0); WREG32(VM_CONTEXT1_CNTL, 0); /* Setup L2 cache */ WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING | EFFECTIVE_L2_QUEUE_SIZE(7)); WREG32(VM_L2_CNTL2, 0); WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2)); /* Setup TLB control */ tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5); WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp); if (rdev->gart.table.vram.robj) { r = radeon_bo_reserve(rdev->gart.table.vram.robj, false); if (likely(r == 0)) { radeon_bo_kunmap(rdev->gart.table.vram.robj); radeon_bo_unpin(rdev->gart.table.vram.robj); radeon_bo_unreserve(rdev->gart.table.vram.robj); } } } void evergreen_pcie_gart_fini(struct radeon_device *rdev) { evergreen_pcie_gart_disable(rdev); radeon_gart_table_vram_free(rdev); radeon_gart_fini(rdev); } void evergreen_agp_enable(struct radeon_device *rdev) { u32 tmp; /* Setup L2 cache */ WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING | ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | EFFECTIVE_L2_QUEUE_SIZE(7)); WREG32(VM_L2_CNTL2, 0); WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2)); /* Setup TLB control */ tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING | SYSTEM_ACCESS_MODE_NOT_IN_SYS | SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU | EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5); WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp); WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp); WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp); WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp); WREG32(VM_CONTEXT0_CNTL, 0); WREG32(VM_CONTEXT1_CNTL, 0); } static void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save) { save->vga_control[0] = RREG32(D1VGA_CONTROL); save->vga_control[1] = RREG32(D2VGA_CONTROL); save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL); save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL); save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL); save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL); save->vga_render_control = RREG32(VGA_RENDER_CONTROL); save->vga_hdp_control = RREG32(VGA_HDP_CONTROL); save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET); save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET); if (!(rdev->flags & RADEON_IS_IGP)) { save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET); save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET); save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET); save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); } /* Stop all video */ WREG32(VGA_RENDER_CONTROL, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1); if (!(rdev->flags & RADEON_IS_IGP)) { WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1); } WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); if (!(rdev->flags & RADEON_IS_IGP)) { WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); if (!(rdev->flags & RADEON_IS_IGP)) { WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } WREG32(D1VGA_CONTROL, 0); WREG32(D2VGA_CONTROL, 0); WREG32(EVERGREEN_D3VGA_CONTROL, 0); WREG32(EVERGREEN_D4VGA_CONTROL, 0); WREG32(EVERGREEN_D5VGA_CONTROL, 0); WREG32(EVERGREEN_D6VGA_CONTROL, 0); } static void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save) { WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET, (u32)rdev->mc.vram_start); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET, (u32)rdev->mc.vram_start); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET, (u32)rdev->mc.vram_start); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET, (u32)rdev->mc.vram_start); if (!(rdev->flags & RADEON_IS_IGP)) { WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET, (u32)rdev->mc.vram_start); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET, (u32)rdev->mc.vram_start); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET, (u32)rdev->mc.vram_start); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET, (u32)rdev->mc.vram_start); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET, (u32)rdev->mc.vram_start); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET, (u32)rdev->mc.vram_start); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET, (u32)rdev->mc.vram_start); WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET, (u32)rdev->mc.vram_start); } WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start)); WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start); /* Unlock host access */ WREG32(VGA_HDP_CONTROL, save->vga_hdp_control); mdelay(1); /* Restore video state */ WREG32(D1VGA_CONTROL, save->vga_control[0]); WREG32(D2VGA_CONTROL, save->vga_control[1]); WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]); WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]); WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]); WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1); if (!(rdev->flags & RADEON_IS_IGP)) { WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1); } WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]); if (!(rdev->flags & RADEON_IS_IGP)) { WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]); WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]); } WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); if (!(rdev->flags & RADEON_IS_IGP)) { WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } WREG32(VGA_RENDER_CONTROL, save->vga_render_control); } static void evergreen_mc_program(struct radeon_device *rdev) { struct evergreen_mc_save save; u32 tmp; int i, j; /* Initialize HDP */ for (i = 0, j = 0; i < 32; i++, j += 0x18) { WREG32((0x2c14 + j), 0x00000000); WREG32((0x2c18 + j), 0x00000000); WREG32((0x2c1c + j), 0x00000000); WREG32((0x2c20 + j), 0x00000000); WREG32((0x2c24 + j), 0x00000000); } WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0); evergreen_mc_stop(rdev, &save); if (evergreen_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); } /* Lockout access through VGA aperture*/ WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE); /* Update configuration */ if (rdev->flags & RADEON_IS_AGP) { if (rdev->mc.vram_start < rdev->mc.gtt_start) { /* VRAM before AGP */ WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12); WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.gtt_end >> 12); } else { /* VRAM after AGP */ WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.gtt_start >> 12); WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12); } } else { WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12); WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12); } WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0); if (rdev->flags & RADEON_IS_IGP) { tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF; tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24; tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20; WREG32(MC_FUS_VM_FB_OFFSET, tmp); } tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16; tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF); WREG32(MC_VM_FB_LOCATION, tmp); WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8)); WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30)); WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF); if (rdev->flags & RADEON_IS_AGP) { WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16); WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16); WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22); } else { WREG32(MC_VM_AGP_BASE, 0); WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF); WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF); } if (evergreen_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); } evergreen_mc_resume(rdev, &save); /* we need to own VRAM, so turn off the VGA renderer here * to stop it overwriting our objects */ rv515_vga_render_disable(rdev); } /* * CP. */ static int evergreen_cp_load_microcode(struct radeon_device *rdev) { const __be32 *fw_data; int i; if (!rdev->me_fw || !rdev->pfp_fw) return -EINVAL; r700_cp_stop(rdev); WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0)); fw_data = (const __be32 *)rdev->pfp_fw->data; WREG32(CP_PFP_UCODE_ADDR, 0); for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++) WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++)); WREG32(CP_PFP_UCODE_ADDR, 0); fw_data = (const __be32 *)rdev->me_fw->data; WREG32(CP_ME_RAM_WADDR, 0); for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++) WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++)); WREG32(CP_PFP_UCODE_ADDR, 0); WREG32(CP_ME_RAM_WADDR, 0); WREG32(CP_ME_RAM_RADDR, 0); return 0; } static int evergreen_cp_start(struct radeon_device *rdev) { int r, i; uint32_t cp_me; r = radeon_ring_lock(rdev, 7); if (r) { DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); return r; } radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5)); radeon_ring_write(rdev, 0x1); radeon_ring_write(rdev, 0x0); radeon_ring_write(rdev, rdev->config.evergreen.max_hw_contexts - 1); radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); radeon_ring_write(rdev, 0); radeon_ring_write(rdev, 0); radeon_ring_unlock_commit(rdev); cp_me = 0xff; WREG32(CP_ME_CNTL, cp_me); r = radeon_ring_lock(rdev, evergreen_default_size + 15); if (r) { DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); return r; } /* setup clear context state */ radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); radeon_ring_write(rdev, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE); for (i = 0; i < evergreen_default_size; i++) radeon_ring_write(rdev, evergreen_default_state[i]); radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); radeon_ring_write(rdev, PACKET3_PREAMBLE_END_CLEAR_STATE); /* set clear context state */ radeon_ring_write(rdev, PACKET3(PACKET3_CLEAR_STATE, 0)); radeon_ring_write(rdev, 0); /* SQ_VTX_BASE_VTX_LOC */ radeon_ring_write(rdev, 0xc0026f00); radeon_ring_write(rdev, 0x00000000); radeon_ring_write(rdev, 0x00000000); radeon_ring_write(rdev, 0x00000000); /* Clear consts */ radeon_ring_write(rdev, 0xc0036f00); radeon_ring_write(rdev, 0x00000bc4); radeon_ring_write(rdev, 0xffffffff); radeon_ring_write(rdev, 0xffffffff); radeon_ring_write(rdev, 0xffffffff); radeon_ring_unlock_commit(rdev); return 0; } int evergreen_cp_resume(struct radeon_device *rdev) { u32 tmp; u32 rb_bufsz; int r; /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */ WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP | SOFT_RESET_PA | SOFT_RESET_SH | SOFT_RESET_VGT | SOFT_RESET_SX)); RREG32(GRBM_SOFT_RESET); mdelay(15); WREG32(GRBM_SOFT_RESET, 0); RREG32(GRBM_SOFT_RESET); /* Set ring buffer size */ rb_bufsz = drm_order(rdev->cp.ring_size / 8); tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; #ifdef __BIG_ENDIAN tmp |= BUF_SWAP_32BIT; #endif WREG32(CP_RB_CNTL, tmp); WREG32(CP_SEM_WAIT_TIMER, 0x4); /* Set the write pointer delay */ WREG32(CP_RB_WPTR_DELAY, 0); /* Initialize the ring buffer's read and write pointers */ WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); WREG32(CP_RB_RPTR_WR, 0); WREG32(CP_RB_WPTR, 0); /* set the wb address wether it's enabled or not */ WREG32(CP_RB_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC); WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF); WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); if (rdev->wb.enabled) WREG32(SCRATCH_UMSK, 0xff); else { tmp |= RB_NO_UPDATE; WREG32(SCRATCH_UMSK, 0); } mdelay(1); WREG32(CP_RB_CNTL, tmp); WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8); WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); rdev->cp.rptr = RREG32(CP_RB_RPTR); rdev->cp.wptr = RREG32(CP_RB_WPTR); evergreen_cp_start(rdev); rdev->cp.ready = true; r = radeon_ring_test(rdev); if (r) { rdev->cp.ready = false; return r; } return 0; } /* * Core functions */ static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev, u32 num_tile_pipes, u32 num_backends, u32 backend_disable_mask) { u32 backend_map = 0; u32 enabled_backends_mask = 0; u32 enabled_backends_count = 0; u32 cur_pipe; u32 swizzle_pipe[EVERGREEN_MAX_PIPES]; u32 cur_backend = 0; u32 i; bool force_no_swizzle; if (num_tile_pipes > EVERGREEN_MAX_PIPES) num_tile_pipes = EVERGREEN_MAX_PIPES; if (num_tile_pipes < 1) num_tile_pipes = 1; if (num_backends > EVERGREEN_MAX_BACKENDS) num_backends = EVERGREEN_MAX_BACKENDS; if (num_backends < 1) num_backends = 1; for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) { if (((backend_disable_mask >> i) & 1) == 0) { enabled_backends_mask |= (1 << i); ++enabled_backends_count; } if (enabled_backends_count == num_backends) break; } if (enabled_backends_count == 0) { enabled_backends_mask = 1; enabled_backends_count = 1; } if (enabled_backends_count != num_backends) num_backends = enabled_backends_count; memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * EVERGREEN_MAX_PIPES); switch (rdev->family) { case CHIP_CEDAR: case CHIP_REDWOOD: case CHIP_PALM: force_no_swizzle = false; break; case CHIP_CYPRESS: case CHIP_HEMLOCK: case CHIP_JUNIPER: default: force_no_swizzle = true; break; } if (force_no_swizzle) { bool last_backend_enabled = false; force_no_swizzle = false; for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) { if (((enabled_backends_mask >> i) & 1) == 1) { if (last_backend_enabled) force_no_swizzle = true; last_backend_enabled = true; } else last_backend_enabled = false; } } switch (num_tile_pipes) { case 1: case 3: case 5: case 7: DRM_ERROR("odd number of pipes!\n"); break; case 2: swizzle_pipe[0] = 0; swizzle_pipe[1] = 1; break; case 4: if (force_no_swizzle) { swizzle_pipe[0] = 0; swizzle_pipe[1] = 1; swizzle_pipe[2] = 2; swizzle_pipe[3] = 3; } else { swizzle_pipe[0] = 0; swizzle_pipe[1] = 2; swizzle_pipe[2] = 1; swizzle_pipe[3] = 3; } break; case 6: if (force_no_swizzle) { swizzle_pipe[0] = 0; swizzle_pipe[1] = 1; swizzle_pipe[2] = 2; swizzle_pipe[3] = 3; swizzle_pipe[4] = 4; swizzle_pipe[5] = 5; } else { swizzle_pipe[0] = 0; swizzle_pipe[1] = 2; swizzle_pipe[2] = 4; swizzle_pipe[3] = 1; swizzle_pipe[4] = 3; swizzle_pipe[5] = 5; } break; case 8: if (force_no_swizzle) { swizzle_pipe[0] = 0; swizzle_pipe[1] = 1; swizzle_pipe[2] = 2; swizzle_pipe[3] = 3; swizzle_pipe[4] = 4; swizzle_pipe[5] = 5; swizzle_pipe[6] = 6; swizzle_pipe[7] = 7; } else { swizzle_pipe[0] = 0; swizzle_pipe[1] = 2; swizzle_pipe[2] = 4; swizzle_pipe[3] = 6; swizzle_pipe[4] = 1; swizzle_pipe[5] = 3; swizzle_pipe[6] = 5; swizzle_pipe[7] = 7; } break; } for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) { while (((1 << cur_backend) & enabled_backends_mask) == 0) cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS; backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4))); cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS; } return backend_map; } static void evergreen_program_channel_remap(struct radeon_device *rdev) { u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp; tmp = RREG32(MC_SHARED_CHMAP); switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { case 0: case 1: case 2: case 3: default: /* default mapping */ mc_shared_chremap = 0x00fac688; break; } switch (rdev->family) { case CHIP_HEMLOCK: case CHIP_CYPRESS: tcp_chan_steer_lo = 0x54763210; tcp_chan_steer_hi = 0x0000ba98; break; case CHIP_JUNIPER: case CHIP_REDWOOD: case CHIP_CEDAR: case CHIP_PALM: default: tcp_chan_steer_lo = 0x76543210; tcp_chan_steer_hi = 0x0000ba98; break; } WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo); WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi); WREG32(MC_SHARED_CHREMAP, mc_shared_chremap); } static void evergreen_gpu_init(struct radeon_device *rdev) { u32 cc_rb_backend_disable = 0; u32 cc_gc_shader_pipe_config; u32 gb_addr_config = 0; u32 mc_shared_chmap, mc_arb_ramcfg; u32 gb_backend_map; u32 grbm_gfx_index; u32 sx_debug_1; u32 smx_dc_ctl0; u32 sq_config; u32 sq_lds_resource_mgmt; u32 sq_gpr_resource_mgmt_1; u32 sq_gpr_resource_mgmt_2; u32 sq_gpr_resource_mgmt_3; u32 sq_thread_resource_mgmt; u32 sq_thread_resource_mgmt_2; u32 sq_stack_resource_mgmt_1; u32 sq_stack_resource_mgmt_2; u32 sq_stack_resource_mgmt_3; u32 vgt_cache_invalidation; u32 hdp_host_path_cntl; int i, j, num_shader_engines, ps_thread_count; switch (rdev->family) { case CHIP_CYPRESS: case CHIP_HEMLOCK: rdev->config.evergreen.num_ses = 2; rdev->config.evergreen.max_pipes = 4; rdev->config.evergreen.max_tile_pipes = 8; rdev->config.evergreen.max_simds = 10; rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses; rdev->config.evergreen.max_gprs = 256; rdev->config.evergreen.max_threads = 248; rdev->config.evergreen.max_gs_threads = 32; rdev->config.evergreen.max_stack_entries = 512; rdev->config.evergreen.sx_num_of_sets = 4; rdev->config.evergreen.sx_max_export_size = 256; rdev->config.evergreen.sx_max_export_pos_size = 64; rdev->config.evergreen.sx_max_export_smx_size = 192; rdev->config.evergreen.max_hw_contexts = 8; rdev->config.evergreen.sq_num_cf_insts = 2; rdev->config.evergreen.sc_prim_fifo_size = 0x100; rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; break; case CHIP_JUNIPER: rdev->config.evergreen.num_ses = 1; rdev->config.evergreen.max_pipes = 4; rdev->config.evergreen.max_tile_pipes = 4; rdev->config.evergreen.max_simds = 10; rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses; rdev->config.evergreen.max_gprs = 256; rdev->config.evergreen.max_threads = 248; rdev->config.evergreen.max_gs_threads = 32; rdev->config.evergreen.max_stack_entries = 512; rdev->config.evergreen.sx_num_of_sets = 4; rdev->config.evergreen.sx_max_export_size = 256; rdev->config.evergreen.sx_max_export_pos_size = 64; rdev->config.evergreen.sx_max_export_smx_size = 192; rdev->config.evergreen.max_hw_contexts = 8; rdev->config.evergreen.sq_num_cf_insts = 2; rdev->config.evergreen.sc_prim_fifo_size = 0x100; rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; break; case CHIP_REDWOOD: rdev->config.evergreen.num_ses = 1; rdev->config.evergreen.max_pipes = 4; rdev->config.evergreen.max_tile_pipes = 4; rdev->config.evergreen.max_simds = 5; rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses; rdev->config.evergreen.max_gprs = 256; rdev->config.evergreen.max_threads = 248; rdev->config.evergreen.max_gs_threads = 32; rdev->config.evergreen.max_stack_entries = 256; rdev->config.evergreen.sx_num_of_sets = 4; rdev->config.evergreen.sx_max_export_size = 256; rdev->config.evergreen.sx_max_export_pos_size = 64; rdev->config.evergreen.sx_max_export_smx_size = 192; rdev->config.evergreen.max_hw_contexts = 8; rdev->config.evergreen.sq_num_cf_insts = 2; rdev->config.evergreen.sc_prim_fifo_size = 0x100; rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; break; case CHIP_CEDAR: default: rdev->config.evergreen.num_ses = 1; rdev->config.evergreen.max_pipes = 2; rdev->config.evergreen.max_tile_pipes = 2; rdev->config.evergreen.max_simds = 2; rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses; rdev->config.evergreen.max_gprs = 256; rdev->config.evergreen.max_threads = 192; rdev->config.evergreen.max_gs_threads = 16; rdev->config.evergreen.max_stack_entries = 256; rdev->config.evergreen.sx_num_of_sets = 4; rdev->config.evergreen.sx_max_export_size = 128; rdev->config.evergreen.sx_max_export_pos_size = 32; rdev->config.evergreen.sx_max_export_smx_size = 96; rdev->config.evergreen.max_hw_contexts = 4; rdev->config.evergreen.sq_num_cf_insts = 1; rdev->config.evergreen.sc_prim_fifo_size = 0x40; rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; break; case CHIP_PALM: rdev->config.evergreen.num_ses = 1; rdev->config.evergreen.max_pipes = 2; rdev->config.evergreen.max_tile_pipes = 2; rdev->config.evergreen.max_simds = 2; rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses; rdev->config.evergreen.max_gprs = 256; rdev->config.evergreen.max_threads = 192; rdev->config.evergreen.max_gs_threads = 16; rdev->config.evergreen.max_stack_entries = 256; rdev->config.evergreen.sx_num_of_sets = 4; rdev->config.evergreen.sx_max_export_size = 128; rdev->config.evergreen.sx_max_export_pos_size = 32; rdev->config.evergreen.sx_max_export_smx_size = 96; rdev->config.evergreen.max_hw_contexts = 4; rdev->config.evergreen.sq_num_cf_insts = 1; rdev->config.evergreen.sc_prim_fifo_size = 0x40; rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30; rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130; break; } /* Initialize HDP */ for (i = 0, j = 0; i < 32; i++, j += 0x18) { WREG32((0x2c14 + j), 0x00000000); WREG32((0x2c18 + j), 0x00000000); WREG32((0x2c1c + j), 0x00000000); WREG32((0x2c20 + j), 0x00000000); WREG32((0x2c24 + j), 0x00000000); } WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & ~2; cc_gc_shader_pipe_config |= INACTIVE_QD_PIPES((EVERGREEN_MAX_PIPES_MASK << rdev->config.evergreen.max_pipes) & EVERGREEN_MAX_PIPES_MASK); cc_gc_shader_pipe_config |= INACTIVE_SIMDS((EVERGREEN_MAX_SIMDS_MASK << rdev->config.evergreen.max_simds) & EVERGREEN_MAX_SIMDS_MASK); cc_rb_backend_disable = BACKEND_DISABLE((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends) & EVERGREEN_MAX_BACKENDS_MASK); mc_shared_chmap = RREG32(MC_SHARED_CHMAP); mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG); switch (rdev->config.evergreen.max_tile_pipes) { case 1: default: gb_addr_config |= NUM_PIPES(0); break; case 2: gb_addr_config |= NUM_PIPES(1); break; case 4: gb_addr_config |= NUM_PIPES(2); break; case 8: gb_addr_config |= NUM_PIPES(3); break; } gb_addr_config |= PIPE_INTERLEAVE_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT); gb_addr_config |= BANK_INTERLEAVE_SIZE(0); gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.evergreen.num_ses - 1); gb_addr_config |= SHADER_ENGINE_TILE_SIZE(1); gb_addr_config |= NUM_GPUS(0); /* Hemlock? */ gb_addr_config |= MULTI_GPU_TILE_SIZE(2); if (((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT) > 2) gb_addr_config |= ROW_SIZE(2); else gb_addr_config |= ROW_SIZE((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT); if (rdev->ddev->pdev->device == 0x689e) { u32 efuse_straps_4; u32 efuse_straps_3; u8 efuse_box_bit_131_124; WREG32(RCU_IND_INDEX, 0x204); efuse_straps_4 = RREG32(RCU_IND_DATA); WREG32(RCU_IND_INDEX, 0x203); efuse_straps_3 = RREG32(RCU_IND_DATA); efuse_box_bit_131_124 = (u8)(((efuse_straps_4 & 0xf) << 4) | ((efuse_straps_3 & 0xf0000000) >> 28)); switch(efuse_box_bit_131_124) { case 0x00: gb_backend_map = 0x76543210; break; case 0x55: gb_backend_map = 0x77553311; break; case 0x56: gb_backend_map = 0x77553300; break; case 0x59: gb_backend_map = 0x77552211; break; case 0x66: gb_backend_map = 0x77443300; break; case 0x99: gb_backend_map = 0x66552211; break; case 0x5a: gb_backend_map = 0x77552200; break; case 0xaa: gb_backend_map = 0x66442200; break; case 0x95: gb_backend_map = 0x66553311; break; default: DRM_ERROR("bad backend map, using default\n"); gb_backend_map = evergreen_get_tile_pipe_to_backend_map(rdev, rdev->config.evergreen.max_tile_pipes, rdev->config.evergreen.max_backends, ((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends) & EVERGREEN_MAX_BACKENDS_MASK)); break; } } else if (rdev->ddev->pdev->device == 0x68b9) { u32 efuse_straps_3; u8 efuse_box_bit_127_124; WREG32(RCU_IND_INDEX, 0x203); efuse_straps_3 = RREG32(RCU_IND_DATA); efuse_box_bit_127_124 = (u8)((efuse_straps_3 & 0xF0000000) >> 28); switch(efuse_box_bit_127_124) { case 0x0: gb_backend_map = 0x00003210; break; case 0x5: case 0x6: case 0x9: case 0xa: gb_backend_map = 0x00003311; break; default: DRM_ERROR("bad backend map, using default\n"); gb_backend_map = evergreen_get_tile_pipe_to_backend_map(rdev, rdev->config.evergreen.max_tile_pipes, rdev->config.evergreen.max_backends, ((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends) & EVERGREEN_MAX_BACKENDS_MASK)); break; } } else { switch (rdev->family) { case CHIP_CYPRESS: case CHIP_HEMLOCK: gb_backend_map = 0x66442200; break; case CHIP_JUNIPER: gb_backend_map = 0x00006420; break; default: gb_backend_map = evergreen_get_tile_pipe_to_backend_map(rdev, rdev->config.evergreen.max_tile_pipes, rdev->config.evergreen.max_backends, ((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends) & EVERGREEN_MAX_BACKENDS_MASK)); } } /* setup tiling info dword. gb_addr_config is not adequate since it does * not have bank info, so create a custom tiling dword. * bits 3:0 num_pipes * bits 7:4 num_banks * bits 11:8 group_size * bits 15:12 row_size */ rdev->config.evergreen.tile_config = 0; switch (rdev->config.evergreen.max_tile_pipes) { case 1: default: rdev->config.evergreen.tile_config |= (0 << 0); break; case 2: rdev->config.evergreen.tile_config |= (1 << 0); break; case 4: rdev->config.evergreen.tile_config |= (2 << 0); break; case 8: rdev->config.evergreen.tile_config |= (3 << 0); break; } rdev->config.evergreen.tile_config |= ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4; rdev->config.evergreen.tile_config |= ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) << 8; rdev->config.evergreen.tile_config |= ((gb_addr_config & 0x30000000) >> 28) << 12; WREG32(GB_BACKEND_MAP, gb_backend_map); WREG32(GB_ADDR_CONFIG, gb_addr_config); WREG32(DMIF_ADDR_CONFIG, gb_addr_config); WREG32(HDP_ADDR_CONFIG, gb_addr_config); evergreen_program_channel_remap(rdev); num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1; grbm_gfx_index = INSTANCE_BROADCAST_WRITES; for (i = 0; i < rdev->config.evergreen.num_ses; i++) { u32 rb = cc_rb_backend_disable | (0xf0 << 16); u32 sp = cc_gc_shader_pipe_config; u32 gfx = grbm_gfx_index | SE_INDEX(i); if (i == num_shader_engines) { rb |= BACKEND_DISABLE(EVERGREEN_MAX_BACKENDS_MASK); sp |= INACTIVE_SIMDS(EVERGREEN_MAX_SIMDS_MASK); } WREG32(GRBM_GFX_INDEX, gfx); WREG32(RLC_GFX_INDEX, gfx); WREG32(CC_RB_BACKEND_DISABLE, rb); WREG32(CC_SYS_RB_BACKEND_DISABLE, rb); WREG32(GC_USER_RB_BACKEND_DISABLE, rb); WREG32(CC_GC_SHADER_PIPE_CONFIG, sp); } grbm_gfx_index |= SE_BROADCAST_WRITES; WREG32(GRBM_GFX_INDEX, grbm_gfx_index); WREG32(RLC_GFX_INDEX, grbm_gfx_index); WREG32(CGTS_SYS_TCC_DISABLE, 0); WREG32(CGTS_TCC_DISABLE, 0); WREG32(CGTS_USER_SYS_TCC_DISABLE, 0); WREG32(CGTS_USER_TCC_DISABLE, 0); /* set HW defaults for 3D engine */ WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b))); WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30)); WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT | SYNC_WALKER | SYNC_ALIGNER)); sx_debug_1 = RREG32(SX_DEBUG_1); sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS; WREG32(SX_DEBUG_1, sx_debug_1); smx_dc_ctl0 = RREG32(SMX_DC_CTL0); smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff); smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets); WREG32(SMX_DC_CTL0, smx_dc_ctl0); WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) | POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) | SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1))); WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) | SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) | SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size))); WREG32(VGT_NUM_INSTANCES, 1); WREG32(SPI_CONFIG_CNTL, 0); WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4)); WREG32(CP_PERFMON_CNTL, 0); WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) | FETCH_FIFO_HIWATER(0x4) | DONE_FIFO_HIWATER(0xe0) | ALU_UPDATE_FIFO_HIWATER(0x8))); sq_config = RREG32(SQ_CONFIG); sq_config &= ~(PS_PRIO(3) | VS_PRIO(3) | GS_PRIO(3) | ES_PRIO(3)); sq_config |= (VC_ENABLE | EXPORT_SRC_C | PS_PRIO(0) | VS_PRIO(1) | GS_PRIO(2) | ES_PRIO(3)); switch (rdev->family) { case CHIP_CEDAR: case CHIP_PALM: /* no vertex cache */ sq_config &= ~VC_ENABLE; break; default: break; } sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT); sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32); sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32); sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4); sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32); sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32); sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32); sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32); switch (rdev->family) { case CHIP_CEDAR: case CHIP_PALM: ps_thread_count = 96; break; default: ps_thread_count = 128; break; } sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count); sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8); sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6); WREG32(SQ_CONFIG, sq_config); WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1); WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2); WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3); WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt); WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2); WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1); WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2); WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3); WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0); WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt); WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) | FORCE_EOV_MAX_REZ_CNT(255))); switch (rdev->family) { case CHIP_CEDAR: case CHIP_PALM: vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY); break; default: vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC); break; } vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO); WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation); WREG32(VGT_GS_VERTEX_REUSE, 16); WREG32(PA_SC_LINE_STIPPLE_STATE, 0); WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14); WREG32(VGT_OUT_DEALLOC_CNTL, 16); WREG32(CB_PERF_CTR0_SEL_0, 0); WREG32(CB_PERF_CTR0_SEL_1, 0); WREG32(CB_PERF_CTR1_SEL_0, 0); WREG32(CB_PERF_CTR1_SEL_1, 0); WREG32(CB_PERF_CTR2_SEL_0, 0); WREG32(CB_PERF_CTR2_SEL_1, 0); WREG32(CB_PERF_CTR3_SEL_0, 0); WREG32(CB_PERF_CTR3_SEL_1, 0); /* clear render buffer base addresses */ WREG32(CB_COLOR0_BASE, 0); WREG32(CB_COLOR1_BASE, 0); WREG32(CB_COLOR2_BASE, 0); WREG32(CB_COLOR3_BASE, 0); WREG32(CB_COLOR4_BASE, 0); WREG32(CB_COLOR5_BASE, 0); WREG32(CB_COLOR6_BASE, 0); WREG32(CB_COLOR7_BASE, 0); WREG32(CB_COLOR8_BASE, 0); WREG32(CB_COLOR9_BASE, 0); WREG32(CB_COLOR10_BASE, 0); WREG32(CB_COLOR11_BASE, 0); /* set the shader const cache sizes to 0 */ for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4) WREG32(i, 0); for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4) WREG32(i, 0); hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL); WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl); WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3)); udelay(50); } int evergreen_mc_init(struct radeon_device *rdev) { u32 tmp; int chansize, numchan; /* Get VRAM informations */ rdev->mc.vram_is_ddr = true; tmp = RREG32(MC_ARB_RAMCFG); if (tmp & CHANSIZE_OVERRIDE) { chansize = 16; } else if (tmp & CHANSIZE_MASK) { chansize = 64; } else { chansize = 32; } tmp = RREG32(MC_SHARED_CHMAP); switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { case 0: default: numchan = 1; break; case 1: numchan = 2; break; case 2: numchan = 4; break; case 3: numchan = 8; break; } rdev->mc.vram_width = numchan * chansize; /* Could aper size report 0 ? */ rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); /* Setup GPU memory space */ if (rdev->flags & RADEON_IS_IGP) { /* size in bytes on fusion */ rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); } else { /* size in MB on evergreen */ rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; } rdev->mc.visible_vram_size = rdev->mc.aper_size; rdev->mc.active_vram_size = rdev->mc.visible_vram_size; r700_vram_gtt_location(rdev, &rdev->mc); radeon_update_bandwidth_info(rdev); return 0; } bool evergreen_gpu_is_lockup(struct radeon_device *rdev) { u32 srbm_status; u32 grbm_status; u32 grbm_status_se0, grbm_status_se1; struct r100_gpu_lockup *lockup = &rdev->config.evergreen.lockup; int r; srbm_status = RREG32(SRBM_STATUS); grbm_status = RREG32(GRBM_STATUS); grbm_status_se0 = RREG32(GRBM_STATUS_SE0); grbm_status_se1 = RREG32(GRBM_STATUS_SE1); if (!(grbm_status & GUI_ACTIVE)) { r100_gpu_lockup_update(lockup, &rdev->cp); return false; } /* force CP activities */ r = radeon_ring_lock(rdev, 2); if (!r) { /* PACKET2 NOP */ radeon_ring_write(rdev, 0x80000000); radeon_ring_write(rdev, 0x80000000); radeon_ring_unlock_commit(rdev); } rdev->cp.rptr = RREG32(CP_RB_RPTR); return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp); } static int evergreen_gpu_soft_reset(struct radeon_device *rdev) { struct evergreen_mc_save save; u32 grbm_reset = 0; dev_info(rdev->dev, "GPU softreset \n"); dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", RREG32(GRBM_STATUS)); dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", RREG32(GRBM_STATUS_SE0)); dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", RREG32(GRBM_STATUS_SE1)); dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", RREG32(SRBM_STATUS)); evergreen_mc_stop(rdev, &save); if (evergreen_mc_wait_for_idle(rdev)) { dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); } /* Disable CP parsing/prefetching */ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT); /* reset all the gfx blocks */ grbm_reset = (SOFT_RESET_CP | SOFT_RESET_CB | SOFT_RESET_DB | SOFT_RESET_PA | SOFT_RESET_SC | SOFT_RESET_SPI | SOFT_RESET_SH | SOFT_RESET_SX | SOFT_RESET_TC | SOFT_RESET_TA | SOFT_RESET_VC | SOFT_RESET_VGT); dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset); WREG32(GRBM_SOFT_RESET, grbm_reset); (void)RREG32(GRBM_SOFT_RESET); udelay(50); WREG32(GRBM_SOFT_RESET, 0); (void)RREG32(GRBM_SOFT_RESET); /* Wait a little for things to settle down */ udelay(50); dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", RREG32(GRBM_STATUS)); dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", RREG32(GRBM_STATUS_SE0)); dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", RREG32(GRBM_STATUS_SE1)); dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", RREG32(SRBM_STATUS)); evergreen_mc_resume(rdev, &save); return 0; } int evergreen_asic_reset(struct radeon_device *rdev) { return evergreen_gpu_soft_reset(rdev); } /* Interrupts */ u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc) { switch (crtc) { case 0: return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET); case 1: return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET); case 2: return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET); case 3: return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET); case 4: return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET); case 5: return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET); default: return 0; } } void evergreen_disable_interrupt_state(struct radeon_device *rdev) { u32 tmp; WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE); WREG32(GRBM_INT_CNTL, 0); WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); if (!(rdev->flags & RADEON_IS_IGP)) { WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); if (!(rdev->flags & RADEON_IS_IGP)) { WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); } WREG32(DACA_AUTODETECT_INT_CONTROL, 0); WREG32(DACB_AUTODETECT_INT_CONTROL, 0); tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY; WREG32(DC_HPD1_INT_CONTROL, tmp); tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY; WREG32(DC_HPD2_INT_CONTROL, tmp); tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY; WREG32(DC_HPD3_INT_CONTROL, tmp); tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY; WREG32(DC_HPD4_INT_CONTROL, tmp); tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY; WREG32(DC_HPD5_INT_CONTROL, tmp); tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY; WREG32(DC_HPD6_INT_CONTROL, tmp); } int evergreen_irq_set(struct radeon_device *rdev) { u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE; u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0; u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6; u32 grbm_int_cntl = 0; u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0; if (!rdev->irq.installed) { WARN(1, "Can't enable IRQ/MSI because no handler is installed\n"); return -EINVAL; } /* don't enable anything if the ih is disabled */ if (!rdev->ih.enabled) { r600_disable_interrupts(rdev); /* force the active interrupt state to all disabled */ evergreen_disable_interrupt_state(rdev); return 0; } hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN; hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN; hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN; hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN; hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN; hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN; if (rdev->irq.sw_int) { DRM_DEBUG("evergreen_irq_set: sw int\n"); cp_int_cntl |= RB_INT_ENABLE; cp_int_cntl |= TIME_STAMP_INT_ENABLE; } if (rdev->irq.crtc_vblank_int[0] || rdev->irq.pflip[0]) { DRM_DEBUG("evergreen_irq_set: vblank 0\n"); crtc1 |= VBLANK_INT_MASK; } if (rdev->irq.crtc_vblank_int[1] || rdev->irq.pflip[1]) { DRM_DEBUG("evergreen_irq_set: vblank 1\n"); crtc2 |= VBLANK_INT_MASK; } if (rdev->irq.crtc_vblank_int[2] || rdev->irq.pflip[2]) { DRM_DEBUG("evergreen_irq_set: vblank 2\n"); crtc3 |= VBLANK_INT_MASK; } if (rdev->irq.crtc_vblank_int[3] || rdev->irq.pflip[3]) { DRM_DEBUG("evergreen_irq_set: vblank 3\n"); crtc4 |= VBLANK_INT_MASK; } if (rdev->irq.crtc_vblank_int[4] || rdev->irq.pflip[4]) { DRM_DEBUG("evergreen_irq_set: vblank 4\n"); crtc5 |= VBLANK_INT_MASK; } if (rdev->irq.crtc_vblank_int[5] || rdev->irq.pflip[5]) { DRM_DEBUG("evergreen_irq_set: vblank 5\n"); crtc6 |= VBLANK_INT_MASK; } if (rdev->irq.hpd[0]) { DRM_DEBUG("evergreen_irq_set: hpd 1\n"); hpd1 |= DC_HPDx_INT_EN; } if (rdev->irq.hpd[1]) { DRM_DEBUG("evergreen_irq_set: hpd 2\n"); hpd2 |= DC_HPDx_INT_EN; } if (rdev->irq.hpd[2]) { DRM_DEBUG("evergreen_irq_set: hpd 3\n"); hpd3 |= DC_HPDx_INT_EN; } if (rdev->irq.hpd[3]) { DRM_DEBUG("evergreen_irq_set: hpd 4\n"); hpd4 |= DC_HPDx_INT_EN; } if (rdev->irq.hpd[4]) { DRM_DEBUG("evergreen_irq_set: hpd 5\n"); hpd5 |= DC_HPDx_INT_EN; } if (rdev->irq.hpd[5]) { DRM_DEBUG("evergreen_irq_set: hpd 6\n"); hpd6 |= DC_HPDx_INT_EN; } if (rdev->irq.gui_idle) { DRM_DEBUG("gui idle\n"); grbm_int_cntl |= GUI_IDLE_INT_ENABLE; } WREG32(CP_INT_CNTL, cp_int_cntl); WREG32(GRBM_INT_CNTL, grbm_int_cntl); WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1); WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2); if (!(rdev->flags & RADEON_IS_IGP)) { WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3); WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4); WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5); WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6); } WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5); WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6); WREG32(DC_HPD1_INT_CONTROL, hpd1); WREG32(DC_HPD2_INT_CONTROL, hpd2); WREG32(DC_HPD3_INT_CONTROL, hpd3); WREG32(DC_HPD4_INT_CONTROL, hpd4); WREG32(DC_HPD5_INT_CONTROL, hpd5); WREG32(DC_HPD6_INT_CONTROL, hpd6); return 0; } static inline void evergreen_irq_ack(struct radeon_device *rdev) { u32 tmp; rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS); rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE); rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2); rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3); rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4); rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5); rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET); rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET); rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET); rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET); rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET); rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET); if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED) WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED) WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED) WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED) WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED) WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED) WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR); if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK); if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK); if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK); if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK); if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK); if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK); if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK); if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK); if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK); if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK); if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK); if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK); if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) { tmp = RREG32(DC_HPD1_INT_CONTROL); tmp |= DC_HPDx_INT_ACK; WREG32(DC_HPD1_INT_CONTROL, tmp); } if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) { tmp = RREG32(DC_HPD2_INT_CONTROL); tmp |= DC_HPDx_INT_ACK; WREG32(DC_HPD2_INT_CONTROL, tmp); } if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) { tmp = RREG32(DC_HPD3_INT_CONTROL); tmp |= DC_HPDx_INT_ACK; WREG32(DC_HPD3_INT_CONTROL, tmp); } if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) { tmp = RREG32(DC_HPD4_INT_CONTROL); tmp |= DC_HPDx_INT_ACK; WREG32(DC_HPD4_INT_CONTROL, tmp); } if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) { tmp = RREG32(DC_HPD5_INT_CONTROL); tmp |= DC_HPDx_INT_ACK; WREG32(DC_HPD5_INT_CONTROL, tmp); } if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) { tmp = RREG32(DC_HPD5_INT_CONTROL); tmp |= DC_HPDx_INT_ACK; WREG32(DC_HPD6_INT_CONTROL, tmp); } } void evergreen_irq_disable(struct radeon_device *rdev) { r600_disable_interrupts(rdev); /* Wait and acknowledge irq */ mdelay(1); evergreen_irq_ack(rdev); evergreen_disable_interrupt_state(rdev); } static void evergreen_irq_suspend(struct radeon_device *rdev) { evergreen_irq_disable(rdev); r600_rlc_stop(rdev); } static inline u32 evergreen_get_ih_wptr(struct radeon_device *rdev) { u32 wptr, tmp; if (rdev->wb.enabled) wptr = rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]; else wptr = RREG32(IH_RB_WPTR); if (wptr & RB_OVERFLOW) { /* When a ring buffer overflow happen start parsing interrupt * from the last not overwritten vector (wptr + 16). Hopefully * this should allow us to catchup. */ dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n", wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask); rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask; tmp = RREG32(IH_RB_CNTL); tmp |= IH_WPTR_OVERFLOW_CLEAR; WREG32(IH_RB_CNTL, tmp); } return (wptr & rdev->ih.ptr_mask); } int evergreen_irq_process(struct radeon_device *rdev) { u32 wptr = evergreen_get_ih_wptr(rdev); u32 rptr = rdev->ih.rptr; u32 src_id, src_data; u32 ring_index; unsigned long flags; bool queue_hotplug = false; DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr); if (!rdev->ih.enabled) return IRQ_NONE; spin_lock_irqsave(&rdev->ih.lock, flags); if (rptr == wptr) { spin_unlock_irqrestore(&rdev->ih.lock, flags); return IRQ_NONE; } if (rdev->shutdown) { spin_unlock_irqrestore(&rdev->ih.lock, flags); return IRQ_NONE; } restart_ih: /* display interrupts */ evergreen_irq_ack(rdev); rdev->ih.wptr = wptr; while (rptr != wptr) { /* wptr/rptr are in bytes! */ ring_index = rptr / 4; src_id = rdev->ih.ring[ring_index] & 0xff; src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff; switch (src_id) { case 1: /* D1 vblank/vline */ switch (src_data) { case 0: /* D1 vblank */ if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) { if (rdev->irq.crtc_vblank_int[0]) { drm_handle_vblank(rdev->ddev, 0); rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); } if (rdev->irq.pflip[0]) radeon_crtc_handle_flip(rdev, 0); rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT; DRM_DEBUG("IH: D1 vblank\n"); } break; case 1: /* D1 vline */ if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) { rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT; DRM_DEBUG("IH: D1 vline\n"); } break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); break; } break; case 2: /* D2 vblank/vline */ switch (src_data) { case 0: /* D2 vblank */ if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) { if (rdev->irq.crtc_vblank_int[1]) { drm_handle_vblank(rdev->ddev, 1); rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); } if (rdev->irq.pflip[1]) radeon_crtc_handle_flip(rdev, 1); rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT; DRM_DEBUG("IH: D2 vblank\n"); } break; case 1: /* D2 vline */ if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) { rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT; DRM_DEBUG("IH: D2 vline\n"); } break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); break; } break; case 3: /* D3 vblank/vline */ switch (src_data) { case 0: /* D3 vblank */ if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) { if (rdev->irq.crtc_vblank_int[2]) { drm_handle_vblank(rdev->ddev, 2); rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); } if (rdev->irq.pflip[2]) radeon_crtc_handle_flip(rdev, 2); rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT; DRM_DEBUG("IH: D3 vblank\n"); } break; case 1: /* D3 vline */ if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) { rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT; DRM_DEBUG("IH: D3 vline\n"); } break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); break; } break; case 4: /* D4 vblank/vline */ switch (src_data) { case 0: /* D4 vblank */ if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) { if (rdev->irq.crtc_vblank_int[3]) { drm_handle_vblank(rdev->ddev, 3); rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); } if (rdev->irq.pflip[3]) radeon_crtc_handle_flip(rdev, 3); rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT; DRM_DEBUG("IH: D4 vblank\n"); } break; case 1: /* D4 vline */ if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) { rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT; DRM_DEBUG("IH: D4 vline\n"); } break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); break; } break; case 5: /* D5 vblank/vline */ switch (src_data) { case 0: /* D5 vblank */ if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) { if (rdev->irq.crtc_vblank_int[4]) { drm_handle_vblank(rdev->ddev, 4); rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); } if (rdev->irq.pflip[4]) radeon_crtc_handle_flip(rdev, 4); rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT; DRM_DEBUG("IH: D5 vblank\n"); } break; case 1: /* D5 vline */ if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) { rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT; DRM_DEBUG("IH: D5 vline\n"); } break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); break; } break; case 6: /* D6 vblank/vline */ switch (src_data) { case 0: /* D6 vblank */ if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) { if (rdev->irq.crtc_vblank_int[5]) { drm_handle_vblank(rdev->ddev, 5); rdev->pm.vblank_sync = true; wake_up(&rdev->irq.vblank_queue); } if (rdev->irq.pflip[5]) radeon_crtc_handle_flip(rdev, 5); rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT; DRM_DEBUG("IH: D6 vblank\n"); } break; case 1: /* D6 vline */ if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) { rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT; DRM_DEBUG("IH: D6 vline\n"); } break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); break; } break; case 42: /* HPD hotplug */ switch (src_data) { case 0: if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) { rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT; queue_hotplug = true; DRM_DEBUG("IH: HPD1\n"); } break; case 1: if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) { rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT; queue_hotplug = true; DRM_DEBUG("IH: HPD2\n"); } break; case 2: if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) { rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT; queue_hotplug = true; DRM_DEBUG("IH: HPD3\n"); } break; case 3: if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) { rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT; queue_hotplug = true; DRM_DEBUG("IH: HPD4\n"); } break; case 4: if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) { rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT; queue_hotplug = true; DRM_DEBUG("IH: HPD5\n"); } break; case 5: if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) { rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT; queue_hotplug = true; DRM_DEBUG("IH: HPD6\n"); } break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); break; } break; case 176: /* CP_INT in ring buffer */ case 177: /* CP_INT in IB1 */ case 178: /* CP_INT in IB2 */ DRM_DEBUG("IH: CP int: 0x%08x\n", src_data); radeon_fence_process(rdev); break; case 181: /* CP EOP event */ DRM_DEBUG("IH: CP EOP\n"); radeon_fence_process(rdev); break; case 233: /* GUI IDLE */ DRM_DEBUG("IH: CP EOP\n"); rdev->pm.gui_idle = true; wake_up(&rdev->irq.idle_queue); break; default: DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data); break; } /* wptr/rptr are in bytes! */ rptr += 16; rptr &= rdev->ih.ptr_mask; } /* make sure wptr hasn't changed while processing */ wptr = evergreen_get_ih_wptr(rdev); if (wptr != rdev->ih.wptr) goto restart_ih; if (queue_hotplug) schedule_work(&rdev->hotplug_work); rdev->ih.rptr = rptr; WREG32(IH_RB_RPTR, rdev->ih.rptr); spin_unlock_irqrestore(&rdev->ih.lock, flags); return IRQ_HANDLED; } static int evergreen_startup(struct radeon_device *rdev) { int r; /* enable pcie gen2 link */ evergreen_pcie_gen2_enable(rdev); if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) { r = r600_init_microcode(rdev); if (r) { DRM_ERROR("Failed to load firmware!\n"); return r; } } evergreen_mc_program(rdev); if (rdev->flags & RADEON_IS_AGP) { evergreen_agp_enable(rdev); } else { r = evergreen_pcie_gart_enable(rdev); if (r) return r; } evergreen_gpu_init(rdev); r = evergreen_blit_init(rdev); if (r) { evergreen_blit_fini(rdev); rdev->asic->copy = NULL; dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); } /* XXX: ontario has problems blitting to gart at the moment */ if (rdev->family == CHIP_PALM) { rdev->asic->copy = NULL; rdev->mc.active_vram_size = rdev->mc.visible_vram_size; } /* allocate wb buffer */ r = radeon_wb_init(rdev); if (r) return r; /* Enable IRQ */ r = r600_irq_init(rdev); if (r) { DRM_ERROR("radeon: IH init failed (%d).\n", r); radeon_irq_kms_fini(rdev); return r; } evergreen_irq_set(rdev); r = radeon_ring_init(rdev, rdev->cp.ring_size); if (r) return r; r = evergreen_cp_load_microcode(rdev); if (r) return r; r = evergreen_cp_resume(rdev); if (r) return r; return 0; } int evergreen_resume(struct radeon_device *rdev) { int r; /* reset the asic, the gfx blocks are often in a bad state * after the driver is unloaded or after a resume */ if (radeon_asic_reset(rdev)) dev_warn(rdev->dev, "GPU reset failed !\n"); /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw, * posting will perform necessary task to bring back GPU into good * shape. */ /* post card */ atom_asic_init(rdev->mode_info.atom_context); r = evergreen_startup(rdev); if (r) { DRM_ERROR("r600 startup failed on resume\n"); return r; } r = r600_ib_test(rdev); if (r) { DRM_ERROR("radeon: failled testing IB (%d).\n", r); return r; } return r; } int evergreen_suspend(struct radeon_device *rdev) { int r; /* FIXME: we should wait for ring to be empty */ r700_cp_stop(rdev); rdev->cp.ready = false; evergreen_irq_suspend(rdev); radeon_wb_disable(rdev); evergreen_pcie_gart_disable(rdev); /* unpin shaders bo */ r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); if (likely(r == 0)) { radeon_bo_unpin(rdev->r600_blit.shader_obj); radeon_bo_unreserve(rdev->r600_blit.shader_obj); } return 0; } int evergreen_copy_blit(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, unsigned num_pages, struct radeon_fence *fence) { int r; mutex_lock(&rdev->r600_blit.mutex); rdev->r600_blit.vb_ib = NULL; r = evergreen_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE); if (r) { if (rdev->r600_blit.vb_ib) radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); mutex_unlock(&rdev->r600_blit.mutex); return r; } evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE); evergreen_blit_done_copy(rdev, fence); mutex_unlock(&rdev->r600_blit.mutex); return 0; } static bool evergreen_card_posted(struct radeon_device *rdev) { u32 reg; /* first check CRTCs */ if (rdev->flags & RADEON_IS_IGP) reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET); else reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); if (reg & EVERGREEN_CRTC_MASTER_EN) return true; /* then check MEM_SIZE, in case the crtcs are off */ if (RREG32(CONFIG_MEMSIZE)) return true; return false; } /* Plan is to move initialization in that function and use * helper function so that radeon_device_init pretty much * do nothing more than calling asic specific function. This * should also allow to remove a bunch of callback function * like vram_info. */ int evergreen_init(struct radeon_device *rdev) { int r; r = radeon_dummy_page_init(rdev); if (r) return r; /* This don't do much */ r = radeon_gem_init(rdev); if (r) return r; /* Read BIOS */ if (!radeon_get_bios(rdev)) { if (ASIC_IS_AVIVO(rdev)) return -EINVAL; } /* Must be an ATOMBIOS */ if (!rdev->is_atom_bios) { dev_err(rdev->dev, "Expecting atombios for R600 GPU\n"); return -EINVAL; } r = radeon_atombios_init(rdev); if (r) return r; /* reset the asic, the gfx blocks are often in a bad state * after the driver is unloaded or after a resume */ if (radeon_asic_reset(rdev)) dev_warn(rdev->dev, "GPU reset failed !\n"); /* Post card if necessary */ if (!evergreen_card_posted(rdev)) { if (!rdev->bios) { dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); return -EINVAL; } DRM_INFO("GPU not posted. posting now...\n"); atom_asic_init(rdev->mode_info.atom_context); } /* Initialize scratch registers */ r600_scratch_init(rdev); /* Initialize surface registers */ radeon_surface_init(rdev); /* Initialize clocks */ radeon_get_clock_info(rdev->ddev); /* Fence driver */ r = radeon_fence_driver_init(rdev); if (r) return r; /* initialize AGP */ if (rdev->flags & RADEON_IS_AGP) { r = radeon_agp_init(rdev); if (r) radeon_agp_disable(rdev); } /* initialize memory controller */ r = evergreen_mc_init(rdev); if (r) return r; /* Memory manager */ r = radeon_bo_init(rdev); if (r) return r; r = radeon_irq_kms_init(rdev); if (r) return r; rdev->cp.ring_obj = NULL; r600_ring_init(rdev, 1024 * 1024); rdev->ih.ring_obj = NULL; r600_ih_ring_init(rdev, 64 * 1024); r = r600_pcie_gart_init(rdev); if (r) return r; rdev->accel_working = true; r = evergreen_startup(rdev); if (r) { dev_err(rdev->dev, "disabling GPU acceleration\n"); r700_cp_fini(rdev); r600_irq_fini(rdev); radeon_wb_fini(rdev); radeon_irq_kms_fini(rdev); evergreen_pcie_gart_fini(rdev); rdev->accel_working = false; } if (rdev->accel_working) { r = radeon_ib_pool_init(rdev); if (r) { DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r); rdev->accel_working = false; } r = r600_ib_test(rdev); if (r) { DRM_ERROR("radeon: failed testing IB (%d).\n", r); rdev->accel_working = false; } } return 0; } void evergreen_fini(struct radeon_device *rdev) { evergreen_blit_fini(rdev); r700_cp_fini(rdev); r600_irq_fini(rdev); radeon_wb_fini(rdev); radeon_irq_kms_fini(rdev); evergreen_pcie_gart_fini(rdev); radeon_gem_fini(rdev); radeon_fence_driver_fini(rdev); radeon_agp_fini(rdev); radeon_bo_fini(rdev); radeon_atombios_fini(rdev); kfree(rdev->bios); rdev->bios = NULL; radeon_dummy_page_fini(rdev); } static void evergreen_pcie_gen2_enable(struct radeon_device *rdev) { u32 link_width_cntl, speed_cntl; if (rdev->flags & RADEON_IS_IGP) return; if (!(rdev->flags & RADEON_IS_PCIE)) return; /* x2 cards have a special sequence */ if (ASIC_IS_X2(rdev)) return; speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) || (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) { link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); link_width_cntl &= ~LC_UPCONFIGURE_DIS; WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN; WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT; WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT; WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL); speed_cntl |= LC_GEN2_EN_STRAP; WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl); } else { link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL); /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */ if (1) link_width_cntl |= LC_UPCONFIGURE_DIS; else link_width_cntl &= ~LC_UPCONFIGURE_DIS; WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); } }