Merge tag 'v3.7-rc2' into drm-intel-next-queued

[deliverable/linux.git] / drivers / gpu / drm / i915 / intel_overlay.c

diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index ebff850a9ab6ff8f7b35c17fced205be45d84205..495625914e4a084f01f476d93524bed83db7ac42 100644 (file)
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -209,7 +209,6 @@ static void intel_overlay_unmap_regs(struct intel_overlay *overlay,
 }
 
 static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
-                                        struct drm_i915_gem_request *request,
                                         void (*tail)(struct intel_overlay *))
 {
        struct drm_device *dev = overlay->dev;
@@ -218,12 +217,10 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
        int ret;
 
        BUG_ON(overlay->last_flip_req);
-       ret = i915_add_request(ring, NULL, request);
-       if (ret) {
-           kfree(request);
-           return ret;
-       }
-       overlay->last_flip_req = request->seqno;
+       ret = i915_add_request(ring, NULL, &overlay->last_flip_req);
+       if (ret)
+               return ret;
+
        overlay->flip_tail = tail;
        ret = i915_wait_seqno(ring, overlay->last_flip_req);
        if (ret)
@@ -240,7 +237,6 @@ static int intel_overlay_on(struct intel_overlay *overlay)
        struct drm_device *dev = overlay->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
-       struct drm_i915_gem_request *request;
        int ret;
 
        BUG_ON(overlay->active);
@@ -248,17 +244,9 @@ static int intel_overlay_on(struct intel_overlay *overlay)
 
        WARN_ON(IS_I830(dev) && !(dev_priv->quirks & QUIRK_PIPEA_FORCE));
 
-       request = kzalloc(sizeof(*request), GFP_KERNEL);
-       if (request == NULL) {
-               ret = -ENOMEM;
-               goto out;
-       }
-
        ret = intel_ring_begin(ring, 4);
-       if (ret) {
-               kfree(request);
-               goto out;
-       }
+       if (ret)
+               return ret;
 
        intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_ON);
        intel_ring_emit(ring, overlay->flip_addr | OFC_UPDATE);
@@ -266,9 +254,7 @@ static int intel_overlay_on(struct intel_overlay *overlay)
        intel_ring_emit(ring, MI_NOOP);
        intel_ring_advance(ring);
 
-       ret = intel_overlay_do_wait_request(overlay, request, NULL);
-out:
-       return ret;
+       return intel_overlay_do_wait_request(overlay, NULL);
 }
 
 /* overlay needs to be enabled in OCMD reg */
@@ -278,17 +264,12 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
        struct drm_device *dev = overlay->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
        struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
-       struct drm_i915_gem_request *request;
        u32 flip_addr = overlay->flip_addr;
        u32 tmp;
        int ret;
 
        BUG_ON(!overlay->active);
 
-       request = kzalloc(sizeof(*request), GFP_KERNEL);
-       if (request == NULL)
-               return -ENOMEM;
-
        if (load_polyphase_filter)
                flip_addr |= OFC_UPDATE;
 
@@ -298,22 +279,14 @@ static int intel_overlay_continue(struct intel_overlay *overlay,
                DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp);
 
        ret = intel_ring_begin(ring, 2);
-       if (ret) {
-               kfree(request);
+       if (ret)
                return ret;
-       }
+
        intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
        intel_ring_emit(ring, flip_addr);
        intel_ring_advance(ring);
 
-       ret = i915_add_request(ring, NULL, request);
-       if (ret) {
-               kfree(request);
-               return ret;
-       }
-
-       overlay->last_flip_req = request->seqno;
-       return 0;
+       return i915_add_request(ring, NULL, &overlay->last_flip_req);
 }
 
 static void intel_overlay_release_old_vid_tail(struct intel_overlay *overlay)
@@ -349,15 +322,10 @@ static int intel_overlay_off(struct intel_overlay *overlay)
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_ring_buffer *ring = &dev_priv->ring[RCS];
        u32 flip_addr = overlay->flip_addr;
-       struct drm_i915_gem_request *request;
        int ret;
 
        BUG_ON(!overlay->active);
 
-       request = kzalloc(sizeof(*request), GFP_KERNEL);
-       if (request == NULL)
-               return -ENOMEM;
-
        /* According to intel docs the overlay hw may hang (when switching
         * off) without loading the filter coeffs. It is however unclear whether
         * this applies to the disabling of the overlay or to the switching off
@@ -365,10 +333,9 @@ static int intel_overlay_off(struct intel_overlay *overlay)
        flip_addr |= OFC_UPDATE;
 
        ret = intel_ring_begin(ring, 6);
-       if (ret) {
-               kfree(request);
+       if (ret)
                return ret;
-       }
+
        /* wait for overlay to go idle */
        intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
        intel_ring_emit(ring, flip_addr);
@@ -379,8 +346,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
        intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
        intel_ring_advance(ring);
 
-       return intel_overlay_do_wait_request(overlay, request,
-                                            intel_overlay_off_tail);
+       return intel_overlay_do_wait_request(overlay, intel_overlay_off_tail);
 }
 
 /* recover from an interruption due to a signal
@@ -425,24 +391,16 @@ static int intel_overlay_release_old_vid(struct intel_overlay *overlay)
                return 0;
 
        if (I915_READ(ISR) & I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT) {
-               struct drm_i915_gem_request *request;
-
                /* synchronous slowpath */
-               request = kzalloc(sizeof(*request), GFP_KERNEL);
-               if (request == NULL)
-                       return -ENOMEM;
-
                ret = intel_ring_begin(ring, 2);
-               if (ret) {
-                       kfree(request);
+               if (ret)
                        return ret;
-               }
 
                intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
                intel_ring_emit(ring, MI_NOOP);
                intel_ring_advance(ring);
 
-               ret = intel_overlay_do_wait_request(overlay, request,
+               ret = intel_overlay_do_wait_request(overlay,
                                                    intel_overlay_release_old_vid_tail);
                if (ret)
                        return ret;