[PATCH 2/4] drm/exynos/mixer: use MXR_GRP_SXY_SY

[Daniel Kurtz]

Mixer hardware supports offsetting dma from start of source buffer using
the MXR_GRP_SXY register.

Signed-off-by: Daniel Kurtz <djkurtz@xxxxxxxxxxxx>
---
 drivers/gpu/drm/exynos/exynos_mixer.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 475eb49..40cf39b 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -529,13 +529,11 @@ static void mixer_graph_buffer(struct mixer_context *ctx, int win)
 
 	dst_x_offset = win_data->crtc_x;
 	dst_y_offset = win_data->crtc_y;
+	src_x_offset = win_data->fb_x;
+	src_y_offset = win_data->fb_y;
 
 	/* converting dma address base and source offset */
-	dma_addr = win_data->dma_addr
-		+ (win_data->fb_x * win_data->bpp >> 3)
-		+ (win_data->fb_y * win_data->fb_width * win_data->bpp >> 3);
-	src_x_offset = 0;
-	src_y_offset = 0;
+	dma_addr = win_data->dma_addr;
 
 	if (win_data->scan_flags & DRM_MODE_FLAG_INTERLACE)
 		ctx->interlace = true;
-- 
1.9.1.423.g4596e3a

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