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drm/i915: Parametrize LRC registers 

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-09-18 20:03:15 +03:00 committed by Daniel Vetter
parent 8bd864b81a
commit 83843d84fc
3 changed files with 11 additions and 11 deletions
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8
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -2069,8 +2069,8 @@ static int i915_execlists(struct seq_file *m, void *data)
seq_printf(m, "%s\n", ring->name);
status = I915_READ(RING_EXECLIST_STATUS(ring));
ctx_id = I915_READ(RING_EXECLIST_STATUS(ring) + 4);
status = I915_READ(RING_EXECLIST_STATUS_LO(ring));
ctx_id = I915_READ(RING_EXECLIST_STATUS_HI(ring));
seq_printf(m, "\tExeclist status: 0x%08X, context: %u\n",
status, ctx_id);
@ -2085,8 +2085,8 @@ static int i915_execlists(struct seq_file *m, void *data)
read_pointer, write_pointer);
for (i = 0; i < 6; i++) {
status = I915_READ(RING_CONTEXT_STATUS_BUF(ring) + 8*i);
ctx_id = I915_READ(RING_CONTEXT_STATUS_BUF(ring) + 8*i + 4);
status = I915_READ(RING_CONTEXT_STATUS_BUF_LO(ring, i));
ctx_id = I915_READ(RING_CONTEXT_STATUS_BUF_HI(ring, i));
seq_printf(m, "\tStatus buffer %d: 0x%08X, context: %u\n",
i, status, ctx_id);

8
drivers/gpu/drm/i915/intel_lrc.c
View File

@ -349,7 +349,7 @@ static void execlists_elsp_write(struct drm_i915_gem_request *rq0,
I915_WRITE_FW(RING_ELSP(ring), lower_32_bits(desc[0]));
/* ELSP is a wo register, use another nearby reg for posting */
POSTING_READ_FW(RING_EXECLIST_STATUS(ring));
POSTING_READ_FW(RING_EXECLIST_STATUS_LO(ring));
intel_uncore_forcewake_put__locked(dev_priv, FORCEWAKE_ALL);
spin_unlock(&dev_priv->uncore.lock);
}
@ -519,10 +519,8 @@ void intel_lrc_irq_handler(struct intel_engine_cs *ring)
while (read_pointer < write_pointer) {
read_pointer++;
status = I915_READ(RING_CONTEXT_STATUS_BUF(ring) +
(read_pointer % 6) * 8);
status_id = I915_READ(RING_CONTEXT_STATUS_BUF(ring) +
(read_pointer % 6) * 8 + 4);
status = I915_READ(RING_CONTEXT_STATUS_BUF_LO(ring, read_pointer % 6));
status_id = I915_READ(RING_CONTEXT_STATUS_BUF_HI(ring, read_pointer % 6));
if (status & GEN8_CTX_STATUS_IDLE_ACTIVE)
continue;

6
drivers/gpu/drm/i915/intel_lrc.h
View File

@ -28,12 +28,14 @@
/* Execlists regs */
#define RING_ELSP(ring) ((ring)->mmio_base+0x230)
#define RING_EXECLIST_STATUS(ring) ((ring)->mmio_base+0x234)
#define RING_EXECLIST_STATUS_LO(ring) ((ring)->mmio_base+0x234)
#define RING_EXECLIST_STATUS_HI(ring) ((ring)->mmio_base+0x234 + 4)
#define RING_CONTEXT_CONTROL(ring) ((ring)->mmio_base+0x244)
#define CTX_CTRL_INHIBIT_SYN_CTX_SWITCH (1 << 3)
#define CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT (1 << 0)
#define CTX_CTRL_RS_CTX_ENABLE (1 << 1)
#define RING_CONTEXT_STATUS_BUF(ring) ((ring)->mmio_base+0x370)
#define RING_CONTEXT_STATUS_BUF_LO(ring, i) ((ring)->mmio_base+0x370 + (i) * 8)
#define RING_CONTEXT_STATUS_BUF_HI(ring, i) ((ring)->mmio_base+0x370 + (i) * 8 + 4)
#define RING_CONTEXT_STATUS_PTR(ring) ((ring)->mmio_base+0x3a0)
/* Logical Rings */