1 files changed, 12 insertions, 32 deletions

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 7a354921b5f2..d37b7a1d562b 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4774,6 +4774,7 @@ static void intel_post_plane_update(struct intel_crtc *crtc)
 	struct intel_crtc_atomic_commit *atomic = &crtc->atomic;
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_plane *plane;
 
 	if (atomic->wait_vblank)
 		intel_wait_for_vblank(dev, crtc->pipe);
@@ -4792,6 +4793,10 @@ static void intel_post_plane_update(struct intel_crtc *crtc)
 	if (atomic->post_enable_primary)
 		intel_post_enable_primary(&crtc->base);
 
+	drm_for_each_plane_mask(plane, dev, atomic->update_sprite_watermarks)
+		intel_update_sprite_watermarks(plane, &crtc->base,
+					       0, 0, 0, false, false);
+
 	memset(atomic, 0, sizeof(*atomic));
 }
 
@@ -11554,30 +11559,16 @@ retry:
 static bool intel_wm_need_update(struct drm_plane *plane,
 				 struct drm_plane_state *state)
 {
-	struct intel_plane_state *new = to_intel_plane_state(state);
-	struct intel_plane_state *cur = to_intel_plane_state(plane->state);
-
-	/* Update watermarks on tiling or size changes. */
+	/* Update watermarks on tiling changes. */
 	if (!plane->state->fb || !state->fb ||
 	    plane->state->fb->modifier[0] != state->fb->modifier[0] ||
-	    plane->state->rotation != state->rotation ||
-	    drm_rect_width(&new->src) != drm_rect_width(&cur->src) ||
-	    drm_rect_height(&new->src) != drm_rect_height(&cur->src) ||
-	    drm_rect_width(&new->dst) != drm_rect_width(&cur->dst) ||
-	    drm_rect_height(&new->dst) != drm_rect_height(&cur->dst))
+	    plane->state->rotation != state->rotation)
 		return true;
 
-	return false;
-}
-
-static bool needs_scaling(struct intel_plane_state *state)
-{
-	int src_w = drm_rect_width(&state->src) >> 16;
-	int src_h = drm_rect_height(&state->src) >> 16;
-	int dst_w = drm_rect_width(&state->dst);
-	int dst_h = drm_rect_height(&state->dst);
+	if (plane->state->crtc_w != state->crtc_w)
+		return true;
 
-	return (src_w != dst_w || src_h != dst_h);
+	return false;
 }
 
 int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
@@ -11595,6 +11586,7 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
 	bool mode_changed = needs_modeset(crtc_state);
 	bool was_crtc_enabled = crtc->state->active;
 	bool is_crtc_enabled = crtc_state->active;
+
 	bool turn_off, turn_on, visible, was_visible;
 	struct drm_framebuffer *fb = plane_state->fb;
 
@@ -11712,23 +11704,11 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
 	case DRM_PLANE_TYPE_CURSOR:
 		break;
 	case DRM_PLANE_TYPE_OVERLAY:
-		/*
-		 * WaCxSRDisabledForSpriteScaling:ivb
-		 *
-		 * cstate->update_wm was already set above, so this flag will
-		 * take effect when we commit and program watermarks.
-		 */
-		if (IS_IVYBRIDGE(dev) &&
-		    needs_scaling(to_intel_plane_state(plane_state)) &&
-		    !needs_scaling(old_plane_state)) {
-			to_intel_crtc_state(crtc_state)->disable_lp_wm = true;
-		} else if (turn_off && !mode_changed) {
+		if (turn_off && !mode_changed) {
 			intel_crtc->atomic.wait_vblank = true;
 			intel_crtc->atomic.update_sprite_watermarks |=
 				1 << i;
 		}
-
-		break;
 	}
 	return 0;
 }