From 7c3df78953ca62c0713eae3d6b7cbc55b58cd9d5 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Fri, 11 Jul 2014 06:36:38 -0300
Subject: [PATCH] [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
Signed-off-by: Kamil Debski
Signed-off-by: Mauro Carvalho Chehab
---
drivers/media/platform/coda.c | 25 ++++++++++++++++++++-----
1 file changed, 20 insertions(+), 5 deletions(-)
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index 05419f4715a5..aa80020960cd 100644
--- 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;
}
--
2.39.5