drm/msm/mdp5: Fix PIPE source image size settings

The width and height in SSPP_SRC_IMG_SIZE register should be the
size of the entire source framebuffer, not the fetch size.

Signed-off-by: Hai Li <hali@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>

drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c

@@ -507,8 +507,8 @@ static int mdp5_plane_mode_set(struct drm_plane *plane,
 	spin_lock_irqsave(&mdp5_plane->pipe_lock, flags);
 
 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_IMG_SIZE(pipe),
-			MDP5_PIPE_SRC_IMG_SIZE_WIDTH(src_w) |
-			MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(src_h));
+			MDP5_PIPE_SRC_IMG_SIZE_WIDTH(fb->width) |
+			MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(fb->height));
 
 	mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_SIZE(pipe),
 			MDP5_PIPE_SRC_SIZE_WIDTH(src_w) |