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 <[email protected]>
Signed-off-by: Inki Dae <[email protected]>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 35ac66730563944e83dcb1a6be7ec39999ead086..8af7f167015bd8581910cabea19ce53a389c77c7 100644 (file)
--- 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);