1
0
This repository has been archived on 2024-11-10. You can view files and clone it, but cannot push or open issues or pull requests.
Lakka-rk322x/projects/Allwinner/patches/linux/0031-media-cedrus-add-check-for-H264-and-HEVC-limitations.patch
2021-10-27 23:37:14 +02:00

105 lines
3.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jernej Skrabec <jernej.skrabec@siol.net>
Date: Tue, 21 Jul 2020 21:53:27 +0200
Subject: [PATCH] media: cedrus: add check for H264 and HEVC limitations
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
---
drivers/staging/media/sunxi/cedrus/cedrus.c | 49 ++++++++++++++++++++-
drivers/staging/media/sunxi/cedrus/cedrus.h | 1 +
2 files changed, 49 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c
index a4358d84d94d..857c1f28c849 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus.c
@@ -28,6 +28,50 @@
#include "cedrus_dec.h"
#include "cedrus_hw.h"
+static int cedrus_try_ctrl(struct v4l2_ctrl *ctrl)
+{
+ if (ctrl->id == V4L2_CID_MPEG_VIDEO_H264_SPS) {
+ const struct v4l2_ctrl_h264_sps *sps = ctrl->p_new.p_h264_sps;
+
+ if (sps->chroma_format_idc != 1)
+ /* Only 4:2:0 is supported */
+ return -EINVAL;
+ if (sps->bit_depth_luma_minus8 != sps->bit_depth_chroma_minus8)
+ /* Luma and chroma bit depth mismatch */
+ return -EINVAL;
+ if (sps->bit_depth_luma_minus8 != 0)
+ /* Only 8-bit is supported */
+ return -EINVAL;
+ } else if (ctrl->id == V4L2_CID_MPEG_VIDEO_HEVC_SPS) {
+ const struct v4l2_ctrl_hevc_sps *sps = ctrl->p_new.p_hevc_sps;
+ struct cedrus_ctx *ctx = container_of(ctrl->handler, struct cedrus_ctx, hdl);
+
+ if (sps->chroma_format_idc != 1)
+ /* Only 4:2:0 is supported */
+ return -EINVAL;
+
+ if (sps->bit_depth_luma_minus8 != sps->bit_depth_chroma_minus8)
+ /* Luma and chroma bit depth mismatch */
+ return -EINVAL;
+
+ if (ctx->dev->capabilities & CEDRUS_CAPABILITY_H265_10_DEC) {
+ if (sps->bit_depth_luma_minus8 != 0 && sps->bit_depth_luma_minus8 != 2)
+ /* Only 8-bit and 10-bit are supported */
+ return -EINVAL;
+ } else {
+ if (sps->bit_depth_luma_minus8 != 0)
+ /* Only 8-bit is supported */
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static const struct v4l2_ctrl_ops cedrus_ctrl_ops = {
+ .try_ctrl = cedrus_try_ctrl,
+};
+
static const struct cedrus_control cedrus_controls[] = {
{
.cfg = {
@@ -60,6 +104,7 @@ static const struct cedrus_control cedrus_controls[] = {
{
.cfg = {
.id = V4L2_CID_MPEG_VIDEO_H264_SPS,
+ .ops = &cedrus_ctrl_ops,
},
.codec = CEDRUS_CODEC_H264,
.required = true,
@@ -125,6 +170,7 @@ static const struct cedrus_control cedrus_controls[] = {
{
.cfg = {
.id = V4L2_CID_MPEG_VIDEO_HEVC_SPS,
+ .ops = &cedrus_ctrl_ops,
},
.codec = CEDRUS_CODEC_H265,
.required = true,
@@ -553,7 +599,8 @@ static const struct cedrus_variant sun50i_h5_cedrus_variant = {
static const struct cedrus_variant sun50i_h6_cedrus_variant = {
.capabilities = CEDRUS_CAPABILITY_UNTILED |
- CEDRUS_CAPABILITY_H265_DEC,
+ CEDRUS_CAPABILITY_H265_DEC |
+ CEDRUS_CAPABILITY_H265_10_DEC,
.quirks = CEDRUS_QUIRK_NO_DMA_OFFSET,
.mod_rate = 600000000,
};
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h b/drivers/staging/media/sunxi/cedrus/cedrus.h
index dfd62942d451..2c9e14c6396f 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus.h
+++ b/drivers/staging/media/sunxi/cedrus/cedrus.h
@@ -28,6 +28,7 @@
#define CEDRUS_CAPABILITY_UNTILED BIT(0)
#define CEDRUS_CAPABILITY_H265_DEC BIT(1)
+#define CEDRUS_CAPABILITY_H265_10_DEC BIT(2)
#define CEDRUS_QUIRK_NO_DMA_OFFSET BIT(0)