From: Hyun Kwon <hyun.kwon@xilinx.com>
Date: Wed, 7 Mar 2018 22:40:36 +0000 (-0800)
Subject: drm: xilinx: plane: Use drm_format_plane_width_bytes
X-Git-Tag: xilinx-v2018.1~51
X-Git-Url: https://rtime.felk.cvut.cz/gitweb/zynq/linux.git/commitdiff_plain/632b193a7ec6bc9de14cb512ae97c3412e11bfce

drm: xilinx: plane: Use drm_format_plane_width_bytes

This will calculate the number of bytes correctly for macropixel
formats.

Signed-off-by: Hyun Kwon <hyun.kwon@xilinx.com>
Reviewed-by: Satish Kumar Nagireddy <satishna@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

diff --git a/drivers/gpu/drm/xilinx/xilinx_drm_plane.c b/drivers/gpu/drm/xilinx/xilinx_drm_plane.c
index 67b87c5d01fa..8467f22f86af 100644
--- a/drivers/gpu/drm/xilinx/xilinx_drm_plane.c
+++ b/drivers/gpu/drm/xilinx/xilinx_drm_plane.c
@@ -297,10 +297,13 @@ int xilinx_drm_plane_mode_set(struct drm_plane *base_plane,
 		}
 
 		plane->dma[i].xt.numf = height;
-		plane->dma[i].sgl[0].size = width * cpp;
+		plane->dma[i].sgl[0].size = drm_format_plane_width_bytes(info,
+									 i,
+									 width);
 		plane->dma[i].sgl[0].icg = fb->pitches[i] -
 					   plane->dma[i].sgl[0].size;
-		offset = src_x * cpp + src_y * fb->pitches[i];
+		offset = drm_format_plane_width_bytes(info, i, src_x);
+		offset += src_y * fb->pitches[i];
 		offset += fb->offsets[i];
 		plane->dma[i].xt.src_start = obj->paddr + offset;
 		plane->dma[i].xt.frame_size = 1;