From: Marek Szyprowski Date: Thu, 7 Jun 2018 13:06:10 +0200 Subject: drm/exynos: gsc: Use real buffer width for configuring the hardware Git-commit: 4958a1c0c9c4a48d6ba9e2b184d93cab0dce68e1 Patch-mainline: v4.18-rc4 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 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 Signed-off-by: Inki Dae Acked-by: Petr Tesarik --- drivers/gpu/drm/exynos/exynos_drm_gsc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- 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_ 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_ /* 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);