MFC driver uses dev->irqlock spinlock to protect queues only, but many context
fields requires protection also - they can be accessed concurrently
from IOCTLs and IRQ handler. The patch increases protection range of irqlock
to those fields also.
Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
---
drivers/media/platform/s5p-mfc/s5p_mfc.c | 15 +++------------
drivers/media/platform/s5p-mfc/s5p_mfc_common.h | 2 +-
drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 13 +++++++------
drivers/media/platform/s5p-mfc/s5p_mfc_enc.c | 14 --------------
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c | 19 -------------------
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c | 18 ------------------
6 files changed, 11 insertions(+), 70 deletions(-)
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 79f5c81..c4d9e34 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -359,7 +359,6 @@ static void s5p_mfc_handle_frame(struct s5p_mfc_ctx *ctx,
unsigned int dst_frame_status;
unsigned int dec_frame_status;
struct s5p_mfc_buf *src_buf;
- unsigned long flags;
unsigned int res_change;
dst_frame_status = s5p_mfc_hw_call(dev->mfc_ops, get_dspl_status, dev)
@@ -385,7 +384,6 @@ static void s5p_mfc_handle_frame(struct s5p_mfc_ctx *ctx,
if (ctx->dpb_flush_flag)
ctx->dpb_flush_flag = 0;
- spin_lock_irqsave(&dev->irqlock, flags);
/* All frames remaining in the buffer have been extracted */
if (dst_frame_status == S5P_FIMV_DEC_STATUS_DECODING_EMPTY) {
if (ctx->state == MFCINST_RES_CHANGE_FLUSH) {
@@ -445,7 +443,6 @@ static void s5p_mfc_handle_frame(struct s5p_mfc_ctx *ctx,
}
}
leave_handle_frame:
- spin_unlock_irqrestore(&dev->irqlock, flags);
if ((ctx->src_queue_cnt == 0 && ctx->state != MFCINST_FINISHING)
|| ctx->dst_queue_cnt < ctx->pb_count)
clear_work_bit(ctx);
@@ -464,8 +461,6 @@ leave_handle_frame:
static void s5p_mfc_handle_error(struct s5p_mfc_dev *dev,
struct s5p_mfc_ctx *ctx, unsigned int reason, unsigned int err)
{
- unsigned long flags;
-
mfc_err("Interrupt Error: %08x\n", err);
if (ctx != NULL) {
@@ -482,11 +477,9 @@ static void s5p_mfc_handle_error(struct s5p_mfc_dev *dev,
clear_work_bit(ctx);
ctx->state = MFCINST_ERROR;
/* Mark all dst buffers as having an error */
- spin_lock_irqsave(&dev->irqlock, flags);
s5p_mfc_cleanup_queue(&ctx->dst_queue, &ctx->vq_dst);
/* Mark all src buffers as having an error */
s5p_mfc_cleanup_queue(&ctx->src_queue, &ctx->vq_src);
- spin_unlock_irqrestore(&dev->irqlock, flags);
wake_up_ctx(ctx, reason, err);
break;
default:
@@ -562,7 +555,6 @@ static void s5p_mfc_handle_init_buffers(struct s5p_mfc_ctx *ctx,
{
struct s5p_mfc_buf *src_buf;
struct s5p_mfc_dev *dev;
- unsigned long flags;
if (ctx == NULL)
return;
@@ -575,7 +567,6 @@ static void s5p_mfc_handle_init_buffers(struct s5p_mfc_ctx *ctx,
if (err == 0) {
ctx->state = MFCINST_RUNNING;
if (!ctx->dpb_flush_flag && ctx->head_processed) {
- spin_lock_irqsave(&dev->irqlock, flags);
if (!list_empty(&ctx->src_queue)) {
src_buf = list_entry(ctx->src_queue.next,
struct s5p_mfc_buf, list);
@@ -584,7 +575,6 @@ static void s5p_mfc_handle_init_buffers(struct s5p_mfc_ctx *ctx,
vb2_buffer_done(&src_buf->b->vb2_buf,
VB2_BUF_STATE_DONE);
}
- spin_unlock_irqrestore(&dev->irqlock, flags);
} else {
ctx->dpb_flush_flag = 0;
}
@@ -612,7 +602,6 @@ static void s5p_mfc_handle_stream_complete(struct s5p_mfc_ctx *ctx)
ctx->state = MFCINST_FINISHED;
- spin_lock(&dev->irqlock);
if (!list_empty(&ctx->dst_queue)) {
mb_entry = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf,
list);
@@ -621,7 +610,6 @@ static void s5p_mfc_handle_stream_complete(struct s5p_mfc_ctx *ctx)
vb2_set_plane_payload(&mb_entry->b->vb2_buf, 0, 0);
vb2_buffer_done(&mb_entry->b->vb2_buf, VB2_BUF_STATE_DONE);
}
- spin_unlock(&dev->irqlock);
clear_work_bit(ctx);
@@ -643,6 +631,7 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv)
mfc_debug_enter();
/* Reset the timeout watchdog */
atomic_set(&dev->watchdog_cnt, 0);
+ spin_lock(&dev->irqlock);
ctx = dev->ctx[dev->curr_ctx];
/* Get the reason of interrupt and the error code */
reason = s5p_mfc_hw_call(dev->mfc_ops, get_int_reason, dev);
@@ -734,6 +723,7 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv)
mfc_debug(2, "Unknown int reason\n");
s5p_mfc_hw_call_void(dev->mfc_ops, clear_int_flags, dev);
}
+ spin_unlock(&dev->irqlock);
mfc_debug_leave();
return IRQ_HANDLED;
irq_cleanup_hw:
@@ -747,6 +737,7 @@ irq_cleanup_hw:
s5p_mfc_clock_off();
s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
+ spin_unlock(&dev->irqlock);
mfc_debug(2, "Exit via irq_cleanup_hw\n");
return IRQ_HANDLED;
}
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
index f560240..c5c1881 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
@@ -308,7 +308,7 @@ struct s5p_mfc_dev {
struct s5p_mfc_pm pm;
struct s5p_mfc_variant *variant;
int num_inst;
- spinlock_t irqlock; /* lock when operating on videobuf2 queues */
+ spinlock_t irqlock; /* lock when operating on context */
spinlock_t condlock; /* lock when changing/checking if a context is
ready to be processed */
struct mutex mfc_mutex; /* video_device lock */
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
index c9999bb..62abf2d 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_dec.c
@@ -1023,40 +1023,41 @@ static void s5p_mfc_stop_streaming(struct vb2_queue *q)
struct s5p_mfc_dev *dev = ctx->dev;
int aborted = 0;
+ spin_lock_irqsave(&dev->irqlock, flags);
if ((ctx->state == MFCINST_FINISHING ||
ctx->state == MFCINST_RUNNING) &&
dev->curr_ctx == ctx->num && dev->hw_lock) {
ctx->state = MFCINST_ABORT;
+ spin_unlock_irqrestore(&dev->irqlock, flags);
s5p_mfc_wait_for_done_ctx(ctx,
S5P_MFC_R2H_CMD_FRAME_DONE_RET, 0);
aborted = 1;
+ spin_lock_irqsave(&dev->irqlock, flags);
}
if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
- spin_lock_irqsave(&dev->irqlock, flags);
s5p_mfc_cleanup_queue(&ctx->dst_queue, &ctx->vq_dst);
INIT_LIST_HEAD(&ctx->dst_queue);
ctx->dst_queue_cnt = 0;
ctx->dpb_flush_flag = 1;
ctx->dec_dst_flag = 0;
- spin_unlock_irqrestore(&dev->irqlock, flags);
if (IS_MFCV6_PLUS(dev) && (ctx->state == MFCINST_RUNNING)) {
ctx->state = MFCINST_FLUSH;
set_work_bit_irqsave(ctx);
s5p_mfc_hw_call_void(dev->mfc_ops, try_run, dev);
+ spin_unlock_irqrestore(&dev->irqlock, flags);
if (s5p_mfc_wait_for_done_ctx(ctx,
S5P_MFC_R2H_CMD_DPB_FLUSH_RET, 0))
mfc_err("Err flushing buffers\n");
+ spin_lock_irqsave(&dev->irqlock, flags);
}
- }
- if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
- spin_lock_irqsave(&dev->irqlock, flags);
+ } else if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) {
s5p_mfc_cleanup_queue(&ctx->src_queue, &ctx->vq_src);
INIT_LIST_HEAD(&ctx->src_queue);
ctx->src_queue_cnt = 0;
- spin_unlock_irqrestore(&dev->irqlock, flags);
}
if (aborted)
ctx->state = MFCINST_RUNNING;
+ spin_unlock_irqrestore(&dev->irqlock, flags);
}
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
index 58008b0..434bcd0 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c
@@ -769,15 +769,12 @@ static int enc_pre_seq_start(struct s5p_mfc_ctx *ctx)
struct s5p_mfc_buf *dst_mb;
unsigned long dst_addr;
unsigned int dst_size;
- unsigned long flags;
- spin_lock_irqsave(&dev->irqlock, flags);
dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
dst_addr = vb2_dma_contig_plane_dma_addr(&dst_mb->b->vb2_buf, 0);
dst_size = vb2_plane_size(&dst_mb->b->vb2_buf, 0);
s5p_mfc_hw_call_void(dev->mfc_ops, set_enc_stream_buffer, ctx, dst_addr,
dst_size);
- spin_unlock_irqrestore(&dev->irqlock, flags);
return 0;
}
@@ -786,11 +783,9 @@ static int enc_post_seq_start(struct s5p_mfc_ctx *ctx)
struct s5p_mfc_dev *dev = ctx->dev;
struct s5p_mfc_enc_params *p = &ctx->enc_params;
struct s5p_mfc_buf *dst_mb;
- unsigned long flags;
unsigned int enc_pb_count;
if (p->seq_hdr_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE) {
- spin_lock_irqsave(&dev->irqlock, flags);
if (!list_empty(&ctx->dst_queue)) {
dst_mb = list_entry(ctx->dst_queue.next,
struct s5p_mfc_buf, list);
@@ -802,7 +797,6 @@ static int enc_post_seq_start(struct s5p_mfc_ctx *ctx)
vb2_buffer_done(&dst_mb->b->vb2_buf,
VB2_BUF_STATE_DONE);
}
- spin_unlock_irqrestore(&dev->irqlock, flags);
}
if (!IS_MFCV6_PLUS(dev)) {
@@ -826,25 +820,20 @@ static int enc_pre_frame_start(struct s5p_mfc_ctx *ctx)
struct s5p_mfc_dev *dev = ctx->dev;
struct s5p_mfc_buf *dst_mb;
struct s5p_mfc_buf *src_mb;
- unsigned long flags;
unsigned long src_y_addr, src_c_addr, dst_addr;
unsigned int dst_size;
- spin_lock_irqsave(&dev->irqlock, flags);
src_mb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
src_y_addr = vb2_dma_contig_plane_dma_addr(&src_mb->b->vb2_buf, 0);
src_c_addr = vb2_dma_contig_plane_dma_addr(&src_mb->b->vb2_buf, 1);
s5p_mfc_hw_call_void(dev->mfc_ops, set_enc_frame_buffer, ctx,
src_y_addr, src_c_addr);
- spin_unlock_irqrestore(&dev->irqlock, flags);
- spin_lock_irqsave(&dev->irqlock, flags);
dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
dst_addr = vb2_dma_contig_plane_dma_addr(&dst_mb->b->vb2_buf, 0);
dst_size = vb2_plane_size(&dst_mb->b->vb2_buf, 0);
s5p_mfc_hw_call_void(dev->mfc_ops, set_enc_stream_buffer, ctx, dst_addr,
dst_size);
- spin_unlock_irqrestore(&dev->irqlock, flags);
return 0;
}
@@ -857,7 +846,6 @@ static int enc_post_frame_start(struct s5p_mfc_ctx *ctx)
unsigned long mb_y_addr, mb_c_addr;
int slice_type;
unsigned int strm_size;
- unsigned long flags;
slice_type = s5p_mfc_hw_call(dev->mfc_ops, get_enc_slice_type, dev);
strm_size = s5p_mfc_hw_call(dev->mfc_ops, get_enc_strm_size, dev);
@@ -865,7 +853,6 @@ static int enc_post_frame_start(struct s5p_mfc_ctx *ctx)
mfc_debug(2, "Encoded stream size: %d\n", strm_size);
mfc_debug(2, "Display order: %d\n",
mfc_read(dev, S5P_FIMV_ENC_SI_PIC_CNT));
- spin_lock_irqsave(&dev->irqlock, flags);
if (slice_type >= 0) {
s5p_mfc_hw_call_void(dev->mfc_ops, get_enc_frame_buffer, ctx,
&enc_y_addr, &enc_c_addr);
@@ -929,7 +916,6 @@ static int enc_post_frame_start(struct s5p_mfc_ctx *ctx)
vb2_set_plane_payload(&mb_entry->b->vb2_buf, 0, strm_size);
vb2_buffer_done(&mb_entry->b->vb2_buf, VB2_BUF_STATE_DONE);
}
- spin_unlock_irqrestore(&dev->irqlock, flags);
if ((ctx->src_queue_cnt == 0) || (ctx->dst_queue_cnt == 0))
clear_work_bit(ctx);
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
index 8754b7e..81e1e4c 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
@@ -1166,7 +1166,6 @@ static int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx, int last_frame)
{
struct s5p_mfc_dev *dev = ctx->dev;
struct s5p_mfc_buf *temp_vb;
- unsigned long flags;
if (ctx->state == MFCINST_FINISHING) {
last_frame = MFC_DEC_LAST_FRAME;
@@ -1176,11 +1175,9 @@ static int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx, int last_frame)
return 0;
}
- spin_lock_irqsave(&dev->irqlock, flags);
/* Frames are being decoded */
if (list_empty(&ctx->src_queue)) {
mfc_debug(2, "No src buffers\n");
- spin_unlock_irqrestore(&dev->irqlock, flags);
return -EAGAIN;
}
/* Get the next source buffer */
@@ -1189,7 +1186,6 @@ static int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx, int last_frame)
s5p_mfc_set_dec_stream_buffer_v5(ctx,
vb2_dma_contig_plane_dma_addr(&temp_vb->b->vb2_buf, 0),
ctx->consumed_stream, temp_vb->b->vb2_buf.planes[0].bytesused);
- spin_unlock_irqrestore(&dev->irqlock, flags);
dev->curr_ctx = ctx->num;
if (temp_vb->b->vb2_buf.planes[0].bytesused == 0) {
last_frame = MFC_DEC_LAST_FRAME;
@@ -1203,21 +1199,17 @@ static int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx, int last_frame)
static int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
- unsigned long flags;
struct s5p_mfc_buf *dst_mb;
struct s5p_mfc_buf *src_mb;
unsigned long src_y_addr, src_c_addr, dst_addr;
unsigned int dst_size;
- spin_lock_irqsave(&dev->irqlock, flags);
if (list_empty(&ctx->src_queue) && ctx->state != MFCINST_FINISHING) {
mfc_debug(2, "no src buffers\n");
- spin_unlock_irqrestore(&dev->irqlock, flags);
return -EAGAIN;
}
if (list_empty(&ctx->dst_queue)) {
mfc_debug(2, "no dst buffers\n");
- spin_unlock_irqrestore(&dev->irqlock, flags);
return -EAGAIN;
}
if (list_empty(&ctx->src_queue)) {
@@ -1249,7 +1241,6 @@ static int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
dst_addr = vb2_dma_contig_plane_dma_addr(&dst_mb->b->vb2_buf, 0);
dst_size = vb2_plane_size(&dst_mb->b->vb2_buf, 0);
s5p_mfc_set_enc_stream_buffer_v5(ctx, dst_addr, dst_size);
- spin_unlock_irqrestore(&dev->irqlock, flags);
dev->curr_ctx = ctx->num;
mfc_debug(2, "encoding buffer with index=%d state=%d\n",
src_mb ? src_mb->b->vb2_buf.index : -1, ctx->state);
@@ -1260,11 +1251,9 @@ static int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
static void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
- unsigned long flags;
struct s5p_mfc_buf *temp_vb;
/* Initializing decoding - parsing header */
- spin_lock_irqsave(&dev->irqlock, flags);
mfc_debug(2, "Preparing to init decoding\n");
temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
s5p_mfc_set_dec_desc_buffer(ctx);
@@ -1273,7 +1262,6 @@ static void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
s5p_mfc_set_dec_stream_buffer_v5(ctx,
vb2_dma_contig_plane_dma_addr(&temp_vb->b->vb2_buf, 0),
0, temp_vb->b->vb2_buf.planes[0].bytesused);
- spin_unlock_irqrestore(&dev->irqlock, flags);
dev->curr_ctx = ctx->num;
s5p_mfc_init_decode_v5(ctx);
}
@@ -1281,18 +1269,15 @@ static void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
static void s5p_mfc_run_init_enc(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
- unsigned long flags;
struct s5p_mfc_buf *dst_mb;
unsigned long dst_addr;
unsigned int dst_size;
s5p_mfc_set_enc_ref_buffer_v5(ctx);
- spin_lock_irqsave(&dev->irqlock, flags);
dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
dst_addr = vb2_dma_contig_plane_dma_addr(&dst_mb->b->vb2_buf, 0);
dst_size = vb2_plane_size(&dst_mb->b->vb2_buf, 0);
s5p_mfc_set_enc_stream_buffer_v5(ctx, dst_addr, dst_size);
- spin_unlock_irqrestore(&dev->irqlock, flags);
dev->curr_ctx = ctx->num;
s5p_mfc_init_encode_v5(ctx);
}
@@ -1300,7 +1285,6 @@ static void s5p_mfc_run_init_enc(struct s5p_mfc_ctx *ctx)
static int s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
- unsigned long flags;
struct s5p_mfc_buf *temp_vb;
int ret;
@@ -1314,11 +1298,9 @@ static int s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx *ctx)
"before starting processing\n");
return -EAGAIN;
}
- spin_lock_irqsave(&dev->irqlock, flags);
if (list_empty(&ctx->src_queue)) {
mfc_err("Header has been deallocated in the middle of"
" initialization\n");
- spin_unlock_irqrestore(&dev->irqlock, flags);
return -EIO;
}
temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
@@ -1327,7 +1309,6 @@ static int s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx *ctx)
s5p_mfc_set_dec_stream_buffer_v5(ctx,
vb2_dma_contig_plane_dma_addr(&temp_vb->b->vb2_buf, 0),
0, temp_vb->b->vb2_buf.planes[0].bytesused);
- spin_unlock_irqrestore(&dev->irqlock, flags);
dev->curr_ctx = ctx->num;
ret = s5p_mfc_set_dec_frame_buffer_v5(ctx);
if (ret) {
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
index 764a675..2a9ca428 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
@@ -1520,7 +1520,6 @@ static inline int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
struct s5p_mfc_buf *temp_vb;
- unsigned long flags;
int last_frame = 0;
if (ctx->state == MFCINST_FINISHING) {
@@ -1532,11 +1531,9 @@ static inline int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx)
return 0;
}
- spin_lock_irqsave(&dev->irqlock, flags);
/* Frames are being decoded */
if (list_empty(&ctx->src_queue)) {
mfc_debug(2, "No src buffers.\n");
- spin_unlock_irqrestore(&dev->irqlock, flags);
return -EAGAIN;
}
/* Get the next source buffer */
@@ -1546,7 +1543,6 @@ static inline int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx)
vb2_dma_contig_plane_dma_addr(&temp_vb->b->vb2_buf, 0),
ctx->consumed_stream,
temp_vb->b->vb2_buf.planes[0].bytesused);
- spin_unlock_irqrestore(&dev->irqlock, flags);
dev->curr_ctx = ctx->num;
if (temp_vb->b->vb2_buf.planes[0].bytesused == 0) {
@@ -1562,7 +1558,6 @@ static inline int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx)
static inline int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
- unsigned long flags;
struct s5p_mfc_buf *dst_mb;
struct s5p_mfc_buf *src_mb;
unsigned long src_y_addr, src_c_addr, dst_addr;
@@ -1571,17 +1566,13 @@ static inline int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
*/
unsigned int dst_size;
- spin_lock_irqsave(&dev->irqlock, flags);
-
if (list_empty(&ctx->src_queue) && ctx->state != MFCINST_FINISHING) {
mfc_debug(2, "no src buffers.\n");
- spin_unlock_irqrestore(&dev->irqlock, flags);
return -EAGAIN;
}
if (list_empty(&ctx->dst_queue)) {
mfc_debug(2, "no dst buffers.\n");
- spin_unlock_irqrestore(&dev->irqlock, flags);
return -EAGAIN;
}
@@ -1615,8 +1606,6 @@ static inline int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
s5p_mfc_set_enc_stream_buffer_v6(ctx, dst_addr, dst_size);
- spin_unlock_irqrestore(&dev->irqlock, flags);
-
dev->curr_ctx = ctx->num;
s5p_mfc_encode_one_frame_v6(ctx);
@@ -1626,18 +1615,15 @@ static inline int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
static inline void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
- unsigned long flags;
struct s5p_mfc_buf *temp_vb;
/* Initializing decoding - parsing header */
- spin_lock_irqsave(&dev->irqlock, flags);
mfc_debug(2, "Preparing to init decoding.\n");
temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
mfc_debug(2, "Header size: %d\n", temp_vb->b->vb2_buf.planes[0].bytesused);
s5p_mfc_set_dec_stream_buffer_v6(ctx,
vb2_dma_contig_plane_dma_addr(&temp_vb->b->vb2_buf, 0), 0,
temp_vb->b->vb2_buf.planes[0].bytesused);
- spin_unlock_irqrestore(&dev->irqlock, flags);
dev->curr_ctx = ctx->num;
s5p_mfc_init_decode_v6(ctx);
}
@@ -1645,18 +1631,14 @@ static inline void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
static inline void s5p_mfc_run_init_enc(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
- unsigned long flags;
struct s5p_mfc_buf *dst_mb;
unsigned long dst_addr;
unsigned int dst_size;
- spin_lock_irqsave(&dev->irqlock, flags);
-
dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
dst_addr = vb2_dma_contig_plane_dma_addr(&dst_mb->b->vb2_buf, 0);
dst_size = vb2_plane_size(&dst_mb->b->vb2_buf, 0);
s5p_mfc_set_enc_stream_buffer_v6(ctx, dst_addr, dst_size);
- spin_unlock_irqrestore(&dev->irqlock, flags);
dev->curr_ctx = ctx->num;
s5p_mfc_init_encode_v6(ctx);
}
--
1.9.1
--
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