diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_overlay.c | 73 |
1 files changed, 28 insertions, 45 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index d0f901e4665..8c660abb0e6 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -290,36 +290,6 @@ static void intel_overlay_continue(struct intel_overlay *overlay, i915_add_request(dev, NULL, &dev_priv->render_ring); } -static int intel_overlay_wait_flip(struct intel_overlay *overlay) -{ - struct drm_device *dev = overlay->dev; - drm_i915_private_t *dev_priv = dev->dev_private; - int ret; - u32 tmp; - - if (overlay->last_flip_req != 0) { - ret = i915_do_wait_request(dev, - overlay->last_flip_req, true, - &dev_priv->render_ring); - if (ret == 0) { - overlay->last_flip_req = 0; - - tmp = I915_READ(ISR); - - if (!(tmp & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT)) - return 0; - } - } - - /* synchronous slowpath */ - BEGIN_LP_RING(2); - OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); - OUT_RING(MI_NOOP); - ADVANCE_LP_RING(); - - return intel_overlay_do_wait_request(overlay, true, RELEASE_OLD_VID); -} - /* overlay needs to be disabled in OCMD reg */ static int intel_overlay_off(struct intel_overlay *overlay) { @@ -348,6 +318,16 @@ static int intel_overlay_off(struct intel_overlay *overlay) return intel_overlay_do_wait_request(overlay, true, SWITCH_OFF); } +static void intel_overlay_release_old_vid_tail(struct intel_overlay *overlay) +{ + struct drm_gem_object *obj = &overlay->old_vid_bo->base; + + i915_gem_object_unpin(obj); + drm_gem_object_unreference(obj); + + overlay->old_vid_bo = NULL; +} + static void intel_overlay_off_tail(struct intel_overlay *overlay) { struct drm_gem_object *obj; @@ -372,7 +352,6 @@ int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay, { struct drm_device *dev = overlay->dev; drm_i915_private_t *dev_priv = dev->dev_private; - struct drm_gem_object *obj; int ret; if (overlay->hw_wedged == HW_WEDGED) @@ -385,10 +364,7 @@ int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay, switch (overlay->hw_wedged) { case RELEASE_OLD_VID: - obj = &overlay->old_vid_bo->base; - i915_gem_object_unpin(obj); - drm_gem_object_unreference(obj); - overlay->old_vid_bo = NULL; + intel_overlay_release_old_vid_tail(overlay); break; case SWITCH_OFF: @@ -410,23 +386,30 @@ int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay, */ static int intel_overlay_release_old_vid(struct intel_overlay *overlay) { + struct drm_device *dev = overlay->dev; + drm_i915_private_t *dev_priv = dev->dev_private; int ret; - struct drm_gem_object *obj; - /* only wait if there is actually an old frame to release to - * guarantee forward progress */ + /* Only wait if there is actually an old frame to release to + * guarantee forward progress. + */ if (!overlay->old_vid_bo) return 0; - ret = intel_overlay_wait_flip(overlay); - if (ret != 0) - return ret; + if (I915_READ(ISR) & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT) { + /* synchronous slowpath */ + BEGIN_LP_RING(2); + OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); + OUT_RING(MI_NOOP); + ADVANCE_LP_RING(); - obj = &overlay->old_vid_bo->base; - i915_gem_object_unpin(obj); - drm_gem_object_unreference(obj); - overlay->old_vid_bo = NULL; + ret = intel_overlay_do_wait_request(overlay, true, + RELEASE_OLD_VID); + if (ret) + return ret; + } + intel_overlay_release_old_vid_tail(overlay); return 0; } |