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drm/amd/display: fix eDP bootup/S4 backlight on 

also pass-in correct dispclk tor DMCU

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Charlene Liu 2017-08-09 14:03:34 -04:00 committed by Alex Deucher
parent 65111f25f1
commit b8e9eb7259
4 changed files with 22 additions and 16 deletions
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12
drivers/gpu/drm/amd/display/dc/core/dc_resource.c
View File

@ -169,16 +169,14 @@ static void update_num_audio(
unsigned int *num_audio,
struct audio_support *aud_support)
{
aud_support->dp_audio = true;
aud_support->hdmi_audio_native = false;
aud_support->hdmi_audio_on_dongle = false;
if (straps->hdmi_disable == 0) {
aud_support->hdmi_audio_native = true;
aud_support->hdmi_audio_on_dongle = true;
aud_support->dp_audio = true;
} else {
if (straps->dc_pinstraps_audio & 0x2) {
aud_support->hdmi_audio_on_dongle = true;
aud_support->dp_audio = true;
} else {
aud_support->dp_audio = true;
aud_support->hdmi_audio_native = true;
}
}

22
drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c
View File

@ -327,13 +327,14 @@ static bool dce_clock_set_min_clocks_state(
return true;
}
static void dce_set_clock(
static int dce_set_clock(
struct display_clock *clk,
int requested_clk_khz)
{
struct dce_disp_clk *clk_dce = TO_DCE_CLOCKS(clk);
struct bp_pixel_clock_parameters pxl_clk_params = { 0 };
struct dc_bios *bp = clk->ctx->dc_bios;
int actual_clock = requested_clk_khz;
/* Make sure requested clock isn't lower than minimum threshold*/
if (requested_clk_khz > 0)
@ -351,15 +352,17 @@ static void dce_set_clock(
/* Cache the fixed display clock*/
clk_dce->dfs_bypass_disp_clk =
pxl_clk_params.dfs_bypass_display_clock;
actual_clock = pxl_clk_params.dfs_bypass_display_clock;
}
/* from power down, we need mark the clock state as ClocksStateNominal
* from HWReset, so when resume we will call pplib voltage regulator.*/
if (requested_clk_khz == 0)
clk->cur_min_clks_state = DM_PP_CLOCKS_STATE_NOMINAL;
return actual_clock;
}
static void dce_psr_set_clock(
static int dce_psr_set_clock(
struct display_clock *clk,
int requested_clk_khz)
{
@ -367,13 +370,15 @@ static void dce_psr_set_clock(
struct dc_context *ctx = clk_dce->base.ctx;
struct core_dc *core_dc = DC_TO_CORE(ctx->dc);
struct dmcu *dmcu = core_dc->res_pool->dmcu;
int actual_clk_khz = requested_clk_khz;
dce_set_clock(clk, requested_clk_khz);
actual_clk_khz = dce_set_clock(clk, requested_clk_khz);
dmcu->funcs->set_psr_wait_loop(dmcu, requested_clk_khz / 1000 / 7);
dmcu->funcs->set_psr_wait_loop(dmcu, actual_clk_khz / 1000 / 7);
return actual_clk_khz;
}
static void dce112_set_clock(
static int dce112_set_clock(
struct display_clock *clk,
int requested_clk_khz)
{
@ -383,7 +388,7 @@ static void dce112_set_clock(
struct core_dc *core_dc = DC_TO_CORE(clk->ctx->dc);
struct abm *abm = core_dc->res_pool->abm;
struct dmcu *dmcu = core_dc->res_pool->dmcu;
int actual_clock = requested_clk_khz;
/* Prepare to program display clock*/
memset(&dce_clk_params, 0, sizeof(dce_clk_params));
@ -397,6 +402,7 @@ static void dce112_set_clock(
dce_clk_params.clock_type = DCECLOCK_TYPE_DISPLAY_CLOCK;
bp->funcs->set_dce_clock(bp, &dce_clk_params);
actual_clock = dce_clk_params.target_clock_frequency;
/* from power down, we need mark the clock state as ClocksStateNominal
* from HWReset, so when resume we will call pplib voltage regulator.*/
@ -415,8 +421,8 @@ static void dce112_set_clock(
if (abm->funcs->is_dmcu_initialized(abm))
dmcu->funcs->set_psr_wait_loop(dmcu,
requested_clk_khz / 1000 / 7);
actual_clock / 1000 / 7);
return actual_clock;
}
static void dce_clock_read_integrated_info(struct dce_disp_clk *clk_dce)

2
drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
View File

@ -1288,6 +1288,8 @@ void dce110_link_encoder_disable_output(
/* OF_SKIP_POWER_DOWN_INACTIVE_ENCODER */
return;
}
if (enc110->base.connector.id == CONNECTOR_ID_EDP)
dce110_link_encoder_edp_backlight_control(enc, false);
/* Power-down RX and disable GPU PHY should be paired.
* Disabling PHY without powering down RX may cause
* symbol lock loss, on which we will get DP Sink interrupt. */

2
drivers/gpu/drm/amd/display/dc/inc/hw/display_clock.h
View File

@ -62,7 +62,7 @@ struct display_clock {
};
struct display_clock_funcs {
void (*set_clock)(struct display_clock *disp_clk,
int (*set_clock)(struct display_clock *disp_clk,
int requested_clock_khz);
enum dm_pp_clocks_state (*get_required_clocks_state)(