diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_overlay.c | 27 |
1 files changed, 6 insertions, 21 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index 1b50d61c5aa..d355d1d527e 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); |