From e55317e7080e6d746c2d8e323216a7091e25111b Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Fri, 23 Jan 2015 13:51:34 -0300
Subject: [PATCH] [media] coda: allocate bitstream ringbuffer only for BIT
decoder
The BIT encoder does not use a per-context bitstream ringbuffer as it encodes
directly into the videobuf2 capture queue's buffers. Avoid allocation of the
bitstream ringbuffer for encoder contexts.
Signed-off-by: Philipp Zabel
Signed-off-by: Kamil Debski
Signed-off-by: Mauro Carvalho Chehab
---
drivers/media/platform/coda/coda-common.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index 9abb3214de52..8bd1611cbb89 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -1689,7 +1689,8 @@ static int coda_open(struct file *file)
v4l2_err(&dev->v4l2_dev, "failed to allocate parabuf");
goto err_dma_alloc;
}
-
+ }
+ if (ctx->use_bit && ctx->inst_type == CODA_INST_DECODER) {
ctx->bitstream.size = CODA_MAX_FRAME_SIZE;
ctx->bitstream.vaddr = dma_alloc_writecombine(
&dev->plat_dev->dev, ctx->bitstream.size,
--
2.20.1