diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_overlay.c | 79 |
1 files changed, 34 insertions, 45 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index 0608fad7f593..5ef9f5bfb92c 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -267,8 +267,7 @@ static int intel_overlay_on(struct intel_overlay *overlay) { struct drm_i915_private *dev_priv = overlay->i915; struct drm_i915_gem_request *req; - struct intel_ring *ring; - int ret; + u32 *cs; WARN_ON(overlay->active); WARN_ON(IS_I830(dev_priv) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE)); @@ -277,10 +276,10 @@ static int intel_overlay_on(struct intel_overlay *overlay) if (IS_ERR(req)) return PTR_ERR(req); - ret = intel_ring_begin(req, 4); - if (ret) { + cs = intel_ring_begin(req, 4); + if (IS_ERR(cs)) { i915_add_request_no_flush(req); - return ret; + return PTR_ERR(cs); } overlay->active = true; @@ -288,12 +287,11 @@ static int intel_overlay_on(struct intel_overlay *overlay) if (IS_I830(dev_priv)) i830_overlay_clock_gating(dev_priv, false); - ring = req->ring; - intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_ON); - intel_ring_emit(ring, overlay->flip_addr | OFC_UPDATE); - intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); - intel_ring_emit(ring, MI_NOOP); - intel_ring_advance(ring); + *cs++ = MI_OVERLAY_FLIP | MI_OVERLAY_ON; + *cs++ = overlay->flip_addr | OFC_UPDATE; + *cs++ = MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP; + *cs++ = MI_NOOP; + intel_ring_advance(req, cs); return intel_overlay_do_wait_request(overlay, req, NULL); } @@ -326,10 +324,8 @@ static int intel_overlay_continue(struct intel_overlay *overlay, { struct drm_i915_private *dev_priv = overlay->i915; struct drm_i915_gem_request *req; - struct intel_ring *ring; u32 flip_addr = overlay->flip_addr; - u32 tmp; - int ret; + u32 tmp, *cs; WARN_ON(!overlay->active); @@ -345,16 +341,15 @@ static int intel_overlay_continue(struct intel_overlay *overlay, if (IS_ERR(req)) return PTR_ERR(req); - ret = intel_ring_begin(req, 2); - if (ret) { + cs = intel_ring_begin(req, 2); + if (IS_ERR(cs)) { i915_add_request_no_flush(req); - return ret; + return PTR_ERR(cs); } - ring = req->ring; - intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE); - intel_ring_emit(ring, flip_addr); - intel_ring_advance(ring); + *cs++ = MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE; + *cs++ = flip_addr; + intel_ring_advance(req, cs); intel_overlay_flip_prepare(overlay, vma); @@ -408,9 +403,7 @@ static void intel_overlay_off_tail(struct i915_gem_active *active, static int intel_overlay_off(struct intel_overlay *overlay) { struct drm_i915_gem_request *req; - struct intel_ring *ring; - u32 flip_addr = overlay->flip_addr; - int ret; + u32 *cs, flip_addr = overlay->flip_addr; WARN_ON(!overlay->active); @@ -424,25 +417,23 @@ static int intel_overlay_off(struct intel_overlay *overlay) if (IS_ERR(req)) return PTR_ERR(req); - ret = intel_ring_begin(req, 6); - if (ret) { + cs = intel_ring_begin(req, 6); + if (IS_ERR(cs)) { i915_add_request_no_flush(req); - return ret; + return PTR_ERR(cs); } - ring = req->ring; - /* wait for overlay to go idle */ - intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE); - intel_ring_emit(ring, flip_addr); - intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); + *cs++ = MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE; + *cs++ = flip_addr; + *cs++ = MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP; /* turn overlay off */ - intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF); - intel_ring_emit(ring, flip_addr); - intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); + *cs++ = MI_OVERLAY_FLIP | MI_OVERLAY_OFF; + *cs++ = flip_addr; + *cs++ = MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP; - intel_ring_advance(ring); + intel_ring_advance(req, cs); intel_overlay_flip_prepare(overlay, NULL); @@ -465,6 +456,7 @@ static int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay) static int intel_overlay_release_old_vid(struct intel_overlay *overlay) { struct drm_i915_private *dev_priv = overlay->i915; + u32 *cs; int ret; lockdep_assert_held(&dev_priv->drm.struct_mutex); @@ -478,23 +470,20 @@ static int intel_overlay_release_old_vid(struct intel_overlay *overlay) if (I915_READ(ISR) & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT) { /* synchronous slowpath */ struct drm_i915_gem_request *req; - struct intel_ring *ring; req = alloc_request(overlay); if (IS_ERR(req)) return PTR_ERR(req); - ret = intel_ring_begin(req, 2); - if (ret) { + cs = intel_ring_begin(req, 2); + if (IS_ERR(cs)) { i915_add_request_no_flush(req); - return ret; + return PTR_ERR(cs); } - ring = req->ring; - intel_ring_emit(ring, - MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); - intel_ring_emit(ring, MI_NOOP); - intel_ring_advance(ring); + *cs++ = MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP; + *cs++ = MI_NOOP; + intel_ring_advance(req, cs); ret = intel_overlay_do_wait_request(overlay, req, intel_overlay_release_old_vid_tail); |