[5/9] drm/exynos: gsc: Use real buffer width for configuring the hardware

Message ID 20180607110614.335-6-m.szyprowski@samsung.com
State New
Headers show
Series
  • Exynos DRM IPP fixes
Related show

Commit Message

Marek Szyprowski June 7, 2018, 11:06 a.m.
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>

---
 drivers/gpu/drm/exynos/exynos_drm_gsc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

-- 
2.17.1

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Patch

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index e99dd1e4ba65..ee27f7fdc7ab 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);