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path: root/drivers/gpu/drm/i915/intel_overlay.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c29
1 files changed, 7 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 2639591c72e9..d355d1d527e7 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -172,7 +172,7 @@ struct overlay_registers {
#define OFC_UPDATE 0x1
#define OVERLAY_NONPHYSICAL(dev) (IS_G33(dev) || IS_I965G(dev))
-#define OVERLAY_EXISTS(dev) (!IS_G4X(dev) && !IS_IRONLAKE(dev))
+#define OVERLAY_EXISTS(dev) (!IS_G4X(dev) && !IS_IRONLAKE(dev) && !IS_GEN6(dev))
static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
@@ -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);
@@ -1179,7 +1164,7 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
out_unlock:
mutex_unlock(&dev->struct_mutex);
mutex_unlock(&dev->mode_config.mutex);
- drm_gem_object_unreference(new_bo);
+ drm_gem_object_unreference_unlocked(new_bo);
kfree(params);
return ret;