Message ID | 20220517125548.14746-16-smitha.t@samsung.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Add MFC v12 support. | expand |
On 17/05/2022 14:55, Smitha T Murthy wrote: > This patch allows allocation of DPB buffers based > on MFC requirement so codec buffers allocations > has been moved after state MFCINST_HEAD_PRODUCED. > And it is taken care that codec buffer allocation > is performed in process context from userspace IOCTL > call. Please wrap your commit messages according to Linux coding style: https://elixir.bootlin.com/linux/v5.18-rc4/source/Documentation/process/submitting-patches.rst#L586 Best regards, Krzysztof
> -----Original Message----- > From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@linaro.org] > Sent: Tuesday, May 17, 2022 7:30 PM > To: Smitha T Murthy <smitha.t@samsung.com>; linux-arm- > kernel@lists.infradead.org; linux-media@vger.kernel.org; linux- > kernel@vger.kernel.org; devicetree@vger.kernel.org > Cc: m.szyprowski@samsung.com; andrzej.hajda@intel.com; > mchehab@kernel.org; hverkuil-cisco@xs4all.nl; > ezequiel@vanguardiasur.com.ar; jernej.skrabec@gmail.com; > benjamin.gaignard@collabora.com; stanimir.varbanov@linaro.org; > dillon.minfei@gmail.com; david.plowman@raspberrypi.com; > mark.rutland@arm.com; robh+dt@kernel.org; krzk+dt@kernel.org; > andi@etezian.org; alim.akhtar@samsung.com; aswani.reddy@samsung.com; > pankaj.dubey@samsung.com; linux-fsd@tesla.com > Subject: Re: [PATCH 15/20] media: s5p-mfc: DPB Count Independent of > VIDIOC_REQBUF > > On 17/05/2022 14:55, Smitha T Murthy wrote: > > This patch allows allocation of DPB buffers based on MFC requirement > > so codec buffers allocations has been moved after state > > MFCINST_HEAD_PRODUCED. > > And it is taken care that codec buffer allocation is performed in > > process context from userspace IOCTL call. > > Please wrap your commit messages according to Linux coding style: > https://protect2.fireeye.com/v1/url?k=7a17dde8-1b9cc8cd-7a1656a7- > 74fe485cbff6-4e2dc61728e47c8b&q=1&e=5c8a7957-5da6-466f-b2c7- > b905451fd24c&u=https%3A%2F%2Felixir.bootlin.com%2Flinux%2Fv5.18- > rc4%2Fsource%2FDocumentation%2Fprocess%2Fsubmitting- > patches.rst%23L586 > > > Best regards, > Krzysztof Ok I will change this. Regards, Smitha
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c index 57b4397f2b03..95e18f1cabb0 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_enc.c @@ -1339,7 +1339,6 @@ 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 int enc_pb_count; if (p->seq_hdr_mode == V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE) { if (!list_empty(&ctx->dst_queue)) { @@ -1361,10 +1360,8 @@ static int enc_post_seq_start(struct s5p_mfc_ctx *ctx) set_work_bit_irqsave(ctx); s5p_mfc_hw_call(dev->mfc_ops, try_run, dev); } else { - enc_pb_count = s5p_mfc_hw_call(dev->mfc_ops, + ctx->pb_count = s5p_mfc_hw_call(dev->mfc_ops, get_enc_dpb_count, dev); - if (ctx->pb_count < enc_pb_count) - ctx->pb_count = enc_pb_count; if (FW_HAS_E_MIN_SCRATCH_BUF(dev)) { ctx->scratch_buf_size = s5p_mfc_hw_call(dev->mfc_ops, get_e_min_scratch_buf_size, dev); @@ -1729,14 +1726,6 @@ static int vidioc_reqbufs(struct file *file, void *priv, } ctx->capture_state = QUEUE_BUFS_REQUESTED; - ret = s5p_mfc_hw_call(ctx->dev->mfc_ops, - alloc_codec_buffers, ctx); - if (ret) { - mfc_err("Failed to allocate encoding buffers\n"); - reqbufs->count = 0; - ret = vb2_reqbufs(&ctx->vq_dst, reqbufs); - return -ENOMEM; - } } else if (reqbufs->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { if (reqbufs->count == 0) { mfc_debug(2, "Freeing buffers\n"); @@ -1752,15 +1741,13 @@ static int vidioc_reqbufs(struct file *file, void *priv, return -EINVAL; } - if (IS_MFCV6_PLUS(dev)) { + if (IS_MFCV6_PLUS(dev) && (!IS_MFCV12(dev))) { /* Check for min encoder buffers */ if (ctx->pb_count && (reqbufs->count < ctx->pb_count)) { reqbufs->count = ctx->pb_count; mfc_debug(2, "Minimum %d output buffers needed\n", ctx->pb_count); - } else { - ctx->pb_count = reqbufs->count; } } diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c index 2b6d6259a209..44058827eaa3 100644 --- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c +++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c @@ -388,7 +388,6 @@ static int s5p_mfc_alloc_codec_buffers_v6(struct s5p_mfc_ctx *ctx) default: break; } - /* Allocate only if memory from bank 1 is necessary */ if (ctx->bank1.size > 0) { ret = s5p_mfc_alloc_generic_buf(dev, BANK_L_CTX, &ctx->bank1); @@ -2266,6 +2265,14 @@ static inline int s5p_mfc_run_init_enc_buffers(struct s5p_mfc_ctx *ctx) struct s5p_mfc_dev *dev = ctx->dev; int ret; + ret = s5p_mfc_hw_call(ctx->dev->mfc_ops, + alloc_codec_buffers, ctx); + if (ret) { + mfc_err("Failed to allocate encoding buffers\n"); + return -ENOMEM; + } + mfc_debug(2, "Allocated Internal Encoding Buffers\n"); + dev->curr_ctx = ctx->num; ret = s5p_mfc_set_enc_ref_buffer_v6(ctx); if (ret) {
This patch allows allocation of DPB buffers based on MFC requirement so codec buffers allocations has been moved after state MFCINST_HEAD_PRODUCED. And it is taken care that codec buffer allocation is performed in process context from userspace IOCTL call. Cc: linux-fsd@tesla.com Signed-off-by: Smitha T Murthy <smitha.t@samsung.com> --- .../platform/samsung/s5p-mfc/s5p_mfc_enc.c | 17 ++--------------- .../platform/samsung/s5p-mfc/s5p_mfc_opr_v6.c | 9 ++++++++- 2 files changed, 10 insertions(+), 16 deletions(-)