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| author | Ezequiel Garcia <ezequiel@collabora.com> | 2018-06-15 15:07:25 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-07-04 08:00:53 -0400 |
| commit | f1db5d978d88c75cfb1bcac74fbf06f77b86b7c3 (patch) | |
| tree | 1c0de9aa4b25f941657b82ca54d4cc6183998432 /drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c | |
| parent | cd63c0288fd760ce7de247fba618e2bbcfc0c35c (diff) | |
| download | linux-f1db5d978d88c75cfb1bcac74fbf06f77b86b7c3.tar.bz2 | |
media: mtk-mdp: Add locks for capture and output vb2_queues
Use the mutex in struct mtk_mdp_ctx to protect the
capture and output vb2_queues. This allows to replace
the ad-hoc wait_{prepare, finish} with
vb2_ops_wait_{prepare, finish}.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c')
| -rw-r--r-- | drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c index 583d47724ee8..c2e2f5f1ebf1 100644 --- a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c @@ -394,20 +394,6 @@ static bool mtk_mdp_ctx_state_is_set(struct mtk_mdp_ctx *ctx, u32 mask) return ret; } -static void mtk_mdp_ctx_lock(struct vb2_queue *vq) -{ - struct mtk_mdp_ctx *ctx = vb2_get_drv_priv(vq); - - mutex_lock(&ctx->mdp_dev->lock); -} - -static void mtk_mdp_ctx_unlock(struct vb2_queue *vq) -{ - struct mtk_mdp_ctx *ctx = vb2_get_drv_priv(vq); - - mutex_unlock(&ctx->mdp_dev->lock); -} - static void mtk_mdp_set_frame_size(struct mtk_mdp_frame *frame, int width, int height) { @@ -625,10 +611,10 @@ static const struct vb2_ops mtk_mdp_m2m_qops = { .queue_setup = mtk_mdp_m2m_queue_setup, .buf_prepare = mtk_mdp_m2m_buf_prepare, .buf_queue = mtk_mdp_m2m_buf_queue, - .wait_prepare = mtk_mdp_ctx_unlock, - .wait_finish = mtk_mdp_ctx_lock, .stop_streaming = mtk_mdp_m2m_stop_streaming, .start_streaming = mtk_mdp_m2m_start_streaming, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, }; static int mtk_mdp_m2m_querycap(struct file *file, void *fh, @@ -996,6 +982,7 @@ static int mtk_mdp_m2m_queue_init(void *priv, struct vb2_queue *src_vq, src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; src_vq->dev = &ctx->mdp_dev->pdev->dev; + src_vq->lock = &ctx->mdp_dev->lock; ret = vb2_queue_init(src_vq); if (ret) @@ -1010,6 +997,7 @@ static int mtk_mdp_m2m_queue_init(void *priv, struct vb2_queue *src_vq, dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; dst_vq->dev = &ctx->mdp_dev->pdev->dev; + dst_vq->lock = &ctx->mdp_dev->lock; return vb2_queue_init(dst_vq); } |