[media] coda: round up internal frames to multiples of macroblock size for h.264

CODA7541 only supports encoding h.264 frames with width and height that are
multiples of the macroblock size.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index 05419f4..aa80020 100644 (file)
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -1744,15 +1744,21 @@ static void coda_free_framebuffers(struct coda_ctx *ctx)
 static int coda_alloc_framebuffers(struct coda_ctx *ctx, struct coda_q_data *q_data, u32 fourcc)
 {
        struct coda_dev *dev = ctx->dev;
-       int height = q_data->height;
+       int width, height;
        dma_addr_t paddr;
        int ysize;
        int ret;
        int i;
 
-       if (ctx->codec && ctx->codec->src_fourcc == V4L2_PIX_FMT_H264)
-               height = round_up(height, 16);
-       ysize = round_up(q_data->width, 8) * height;
+       if (ctx->codec && (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 ||
+            ctx->codec->dst_fourcc == V4L2_PIX_FMT_H264)) {
+               width = round_up(q_data->width, 16);
+               height = round_up(q_data->height, 16);
+       } else {
+               width = round_up(q_data->width, 8);
+               height = q_data->height;
+       }
+       ysize = width * height;
 
        /* Allocate frame buffers */
        for (i = 0; i < ctx->num_internal_frames; i++) {
@@ -2377,7 +2383,16 @@ static int coda_start_encoding(struct coda_ctx *ctx)
                value = (q_data_src->width & CODADX6_PICWIDTH_MASK) << CODADX6_PICWIDTH_OFFSET;
                value |= (q_data_src->height & CODADX6_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
                break;
-       default:
+       case CODA_7541:
+               if (dst_fourcc == V4L2_PIX_FMT_H264) {
+                       value = (round_up(q_data_src->width, 16) &
+                                CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
+                       value |= (round_up(q_data_src->height, 16) &
+                                 CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
+                       break;
+               }
+               /* fallthrough */
+       case CODA_960:
                value = (q_data_src->width & CODA7_PICWIDTH_MASK) << CODA7_PICWIDTH_OFFSET;
                value |= (q_data_src->height & CODA7_PICHEIGHT_MASK) << CODA_PICHEIGHT_OFFSET;
        }