drm/exynos: fimc: 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>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 6127ef2..e8d0670 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -470,17 +470,18 @@ static void fimc_src_set_transf(struct fimc_context *ctx, unsigned int rotation)
 static void fimc_set_window(struct fimc_context *ctx,
                            struct exynos_drm_ipp_buffer *buf)
 {
+       unsigned int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
        u32 cfg, h1, h2, v1, v2;
 
        /* cropped image */
        h1 = buf->rect.x;
-       h2 = buf->buf.width - buf->rect.w - buf->rect.x;
+       h2 = real_width - buf->rect.w - buf->rect.x;
        v1 = buf->rect.y;
        v2 = buf->buf.height - buf->rect.h - buf->rect.y;
 
        DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]hsize[%d]vsize[%d]\n",
                buf->rect.x, buf->rect.y, buf->rect.w, buf->rect.h,
-               buf->buf.width, buf->buf.height);
+               real_width, buf->buf.height);
        DRM_DEBUG_KMS("h1[%d]h2[%d]v1[%d]v2[%d]\n", h1, h2, v1, v2);
 
        /*
@@ -503,12 +504,13 @@ static void fimc_set_window(struct fimc_context *ctx,
 static void fimc_src_set_size(struct fimc_context *ctx,
                              struct exynos_drm_ipp_buffer *buf)
 {
+       unsigned int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
        u32 cfg;
 
-       DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", buf->buf.width, buf->buf.height);
+       DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", real_width, buf->buf.height);
 
        /* original size */
-       cfg = (EXYNOS_ORGISIZE_HORIZONTAL(buf->buf.width) |
+       cfg = (EXYNOS_ORGISIZE_HORIZONTAL(real_width) |
                EXYNOS_ORGISIZE_VERTICAL(buf->buf.height));
 
        fimc_write(ctx, cfg, EXYNOS_ORGISIZE);
@@ -529,7 +531,7 @@ static void fimc_src_set_size(struct fimc_context *ctx,
         * for now, we support only ITU601 8 bit mode
         */
        cfg = (EXYNOS_CISRCFMT_ITU601_8BIT |
-               EXYNOS_CISRCFMT_SOURCEHSIZE(buf->buf.width) |
+               EXYNOS_CISRCFMT_SOURCEHSIZE(real_width) |
                EXYNOS_CISRCFMT_SOURCEVSIZE(buf->buf.height));
        fimc_write(ctx, cfg, EXYNOS_CISRCFMT);
 
@@ -842,12 +844,13 @@ static void fimc_set_scaler(struct fimc_context *ctx, struct fimc_scaler *sc)
 static void fimc_dst_set_size(struct fimc_context *ctx,
                             struct exynos_drm_ipp_buffer *buf)
 {
+       unsigned int real_width = buf->buf.pitch[0] / buf->format->cpp[0];
        u32 cfg, cfg_ext;
 
-       DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", buf->buf.width, buf->buf.height);
+       DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", real_width, buf->buf.height);
 
        /* original size */
-       cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(buf->buf.width) |
+       cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(real_width) |
                EXYNOS_ORGOSIZE_VERTICAL(buf->buf.height));
 
        fimc_write(ctx, cfg, EXYNOS_ORGOSIZE);