diff mbox series

[15/20] media: s5p-mfc: DPB Count Independent of VIDIOC_REQBUF

Message ID 20220517125548.14746-16-smitha.t@samsung.com (mailing list archive)
State New, archived
Headers show
Series Add MFC v12 support. | expand

Commit Message

Smitha T Murthy May 17, 2022, 12:55 p.m. UTC
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(-)

Comments

Krzysztof Kozlowski May 17, 2022, 1:59 p.m. UTC | #1
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
Smitha T Murthy July 5, 2022, 11:47 a.m. UTC | #2
> -----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 mbox series

Patch

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) {