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authorMarek Szyprowski <m.szyprowski@samsung.com>2018-06-07 13:06:10 +0200
committerInki Dae <inki.dae@samsung.com>2018-06-29 18:02:56 +0900
commit4958a1c0c9c4a48d6ba9e2b184d93cab0dce68e1 (patch)
treeae18460d000614b1253aaa59bb0295230c0d89ea /drivers/gpu/drm/exynos/exynos_drm_gsc.c
parent4e1a6230313ad76c08633fa57853349de56f60a2 (diff)
downloadlinux-4958a1c0c9c4a48d6ba9e2b184d93cab0dce68e1.tar.gz
drm/exynos: gsc: Use real buffer width for configuring the hardware
DMA hardware should respect buffer pitch, so use the width calculated from
the buffer pitch instead of the virtual one.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_gsc.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_gsc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 35ac66730563..8af7f167015b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -577,7 +577,7 @@ static void gsc_src_set_size(struct gsc_context *ctx,
 	cfg &= ~(GSC_SRCIMG_HEIGHT_MASK |
 		GSC_SRCIMG_WIDTH_MASK);
 
-	cfg |= (GSC_SRCIMG_WIDTH(buf->buf.width) |
+	cfg |= (GSC_SRCIMG_WIDTH(buf->buf.pitch[0] / buf->format->cpp[0]) |
 		GSC_SRCIMG_HEIGHT(buf->buf.height));
 
 	gsc_write(cfg, GSC_SRCIMG_SIZE);
@@ -868,7 +868,7 @@ static void gsc_dst_set_size(struct gsc_context *ctx,
 	/* original size */
 	cfg = gsc_read(GSC_DSTIMG_SIZE);
 	cfg &= ~(GSC_DSTIMG_HEIGHT_MASK | GSC_DSTIMG_WIDTH_MASK);
-	cfg |= GSC_DSTIMG_WIDTH(buf->buf.width) |
+	cfg |= GSC_DSTIMG_WIDTH(buf->buf.pitch[0] / buf->format->cpp[0]) |
 	       GSC_DSTIMG_HEIGHT(buf->buf.height);
 	gsc_write(cfg, GSC_DSTIMG_SIZE);