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authorDave Airlie <airlied@redhat.com>2010-02-25 13:39:36 +1000
committerDave Airlie <airlied@redhat.com>2010-02-25 13:39:36 +1000
commit30d6c72c4a760cfc9069ee100786e4d6cf6de59d (patch)
treee2f1b3bad0a161a1e94705cb14d2b8c2760caf91 /drivers/gpu/drm/i915/intel_overlay.c
parentde19322d554fd0f449d17610823c38494c06db9e (diff)
parent9df30794f609d9412f14cfd0eb7b45dd64d0b14e (diff)
Merge remote branch 'anholt/drm-intel-next' into drm-next-stage
* anholt/drm-intel-next: drm/i915: Record batch buffer following GPU error drm/i915: give up on 8xx lid status drm/i915: reduce some of the duplication of tiling checking drm/i915: blow away userspace mappings before fence change drm/i915: move a gtt flush to the correct place agp/intel: official names for Pineview and Ironlake drm/i915: overlay: drop superflous gpu flushes drm/i915: overlay: nuke readback to flush wc caches drm/i915: provide self-refresh status in debugfs drm/i915: provide FBC status in debugfs drm/i915: fix drps disable so unload & re-load works drm/i915: Fix OGLC performance regression on 945 drm/i915: Deobfuscate the render p-state obfuscation drm/i915: add dynamic performance control support for Ironlake drm/i915: enable memory self refresh on 9xx drm/i915: Don't reserve compatibility fence regs in KMS mode. drm/i915: Keep MCHBAR always enabled drm/i915: Replace open-coded eviction in i915_gem_idle()
Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c25
1 files changed, 5 insertions, 20 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 1b50d61c5aa..c3fa406912b 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -199,16 +199,11 @@ static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_over
static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay)
{
- struct drm_device *dev = overlay->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
-
if (OVERLAY_NONPHYSICAL(overlay->dev))
io_mapping_unmap_atomic(overlay->virt_addr);
overlay->virt_addr = NULL;
- I915_READ(OVADD); /* flush wc cashes */
-
return;
}
@@ -225,9 +220,7 @@ static int intel_overlay_on(struct intel_overlay *overlay)
overlay->active = 1;
overlay->hw_wedged = NEEDS_WAIT_FOR_FLIP;
- BEGIN_LP_RING(6);
- OUT_RING(MI_FLUSH);
- OUT_RING(MI_NOOP);
+ BEGIN_LP_RING(4);
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_ON);
OUT_RING(overlay->flip_addr | OFC_UPDATE);
OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
@@ -267,9 +260,7 @@ static void intel_overlay_continue(struct intel_overlay *overlay,
if (tmp & (1 << 17))
DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp);
- BEGIN_LP_RING(4);
- OUT_RING(MI_FLUSH);
- OUT_RING(MI_NOOP);
+ BEGIN_LP_RING(2);
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
OUT_RING(flip_addr);
ADVANCE_LP_RING();
@@ -338,9 +329,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
/* wait for overlay to go idle */
overlay->hw_wedged = SWITCH_OFF_STAGE_1;
- BEGIN_LP_RING(6);
- OUT_RING(MI_FLUSH);
- OUT_RING(MI_NOOP);
+ BEGIN_LP_RING(4);
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
OUT_RING(flip_addr);
OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
@@ -358,9 +347,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
/* turn overlay off */
overlay->hw_wedged = SWITCH_OFF_STAGE_2;
- BEGIN_LP_RING(6);
- OUT_RING(MI_FLUSH);
- OUT_RING(MI_NOOP);
+ BEGIN_LP_RING(4);
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
OUT_RING(flip_addr);
OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
@@ -435,9 +422,7 @@ int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
overlay->hw_wedged = SWITCH_OFF_STAGE_2;
- BEGIN_LP_RING(6);
- OUT_RING(MI_FLUSH);
- OUT_RING(MI_NOOP);
+ BEGIN_LP_RING(4);
OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
OUT_RING(flip_addr);
OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);