diff options
author | Andrzej Hajda <a.hajda@samsung.com> | 2015-12-02 06:22:31 -0200 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-12-23 13:58:36 -0200 |
commit | 7969b12523668d764746e762b42793fd1aefcf13 (patch) | |
tree | 594852b6d5704899c8b589ea77ff6e3ff130176a | |
parent | 8eceb9a0070138ba6db805b38f46c46a926b37b8 (diff) | |
download | op-kernel-dev-7969b12523668d764746e762b42793fd1aefcf13.zip op-kernel-dev-7969b12523668d764746e762b42793fd1aefcf13.tar.gz |
[media] s5p-mfc: use spinlock to protect MFC context
MFC driver uses dev->irqlock spinlock to protect queues only, but many context
fields require 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@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
-rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc.c | 15 | ||||
-rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_common.h | 2 | ||||
-rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_dec.c | 13 | ||||
-rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_enc.c | 14 | ||||
-rw-r--r-- | drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c | 19 | ||||
-rw-r--r-- | 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 cff59aa..d5bd176 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 d80ad84..8b624e0 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 b1290cc..520fe15 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 82d380b..a7ba4c8 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..2a9ca42 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); } |