diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index 0effb2fa4ea1a6720793418428170a57bc3e8bcf..974b704dad902607ac4f916a3ffb78701c87719a 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -85,6 +85,26 @@ void set_work_bit_irqsave(struct s5p_mfc_ctx *ctx) spin_unlock_irqrestore(&dev->condlock, flags); } +int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev) +{ + unsigned long flags; + int ctx; + + spin_lock_irqsave(&dev->condlock, flags); + ctx = dev->curr_ctx; + do { + ctx = (ctx + 1) % MFC_NUM_CONTEXTS; + if (ctx == dev->curr_ctx) { + if (!test_bit(ctx, &dev->ctx_work_bits)) + ctx = -EAGAIN; + break; + } + } while (!test_bit(ctx, &dev->ctx_work_bits)); + spin_unlock_irqrestore(&dev->condlock, flags); + + return ctx; +} + /* Wake up context wait_queue */ static void wake_up_ctx(struct s5p_mfc_ctx *ctx, unsigned int reason, unsigned int err) diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h index e90ad7e9670725935340157eb319a7995197b480..795ba44d789cc05e6ec1b28b05e1ee338a17bbca 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h @@ -710,6 +710,7 @@ void clear_work_bit(struct s5p_mfc_ctx *ctx); void set_work_bit(struct s5p_mfc_ctx *ctx); void clear_work_bit_irqsave(struct s5p_mfc_ctx *ctx); void set_work_bit_irqsave(struct s5p_mfc_ctx *ctx); +int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev); #define HAS_PORTNUM(dev) (dev ? (dev->variant ? \ (dev->variant->port_num ? 1 : 0) : 0) : 0) 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 873c933bc7d4b509a6c0238fa73299a98f4aafd4..d9e5d68a492c7879381c19d6cf18b6addb6773ff 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c @@ -1153,27 +1153,6 @@ static int s5p_mfc_encode_one_frame_v5(struct s5p_mfc_ctx *ctx) return 0; } -static int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev) -{ - unsigned long flags; - int new_ctx; - int cnt; - - spin_lock_irqsave(&dev->condlock, flags); - new_ctx = (dev->curr_ctx + 1) % MFC_NUM_CONTEXTS; - cnt = 0; - while (!test_bit(new_ctx, &dev->ctx_work_bits)) { - new_ctx = (new_ctx + 1) % MFC_NUM_CONTEXTS; - if (++cnt > MFC_NUM_CONTEXTS) { - /* No contexts to run */ - spin_unlock_irqrestore(&dev->condlock, flags); - return -EAGAIN; - } - } - spin_unlock_irqrestore(&dev->condlock, flags); - return new_ctx; -} - static void s5p_mfc_run_res_change(struct s5p_mfc_ctx *ctx) { struct s5p_mfc_dev *dev = ctx->dev; 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 b95845347348a21f33dffe63799108be336f16ed..f68653f122542d07dac447f0c73832defed30a82 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c @@ -1507,30 +1507,6 @@ static int s5p_mfc_encode_one_frame_v6(struct s5p_mfc_ctx *ctx) return 0; } -static inline int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev) -{ - unsigned long flags; - int new_ctx; - int cnt; - - spin_lock_irqsave(&dev->condlock, flags); - mfc_debug(2, "Previous context: %d (bits %08lx)\n", dev->curr_ctx, - dev->ctx_work_bits); - new_ctx = (dev->curr_ctx + 1) % MFC_NUM_CONTEXTS; - cnt = 0; - while (!test_bit(new_ctx, &dev->ctx_work_bits)) { - new_ctx = (new_ctx + 1) % MFC_NUM_CONTEXTS; - cnt++; - if (cnt > MFC_NUM_CONTEXTS) { - /* No contexts to run */ - spin_unlock_irqrestore(&dev->condlock, flags); - return -EAGAIN; - } - } - spin_unlock_irqrestore(&dev->condlock, flags); - return new_ctx; -} - static inline void s5p_mfc_run_dec_last_frames(struct s5p_mfc_ctx *ctx) { struct s5p_mfc_dev *dev = ctx->dev;