linux-kernel - Re: [PATCH v2] venus: venc: Fix setting of profile and level

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Date:   Thu, 29 Oct 2020 15:31:02 -0500
From:   Steev Klimaszewski <steev@...i.org>
To:     Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] venus: venc: Fix setting of profile and level


On 10/27/20 4:19 AM, Stanimir Varbanov wrote:
> The profile and level in op_set_ctrl was recently changed but during
> v4l2_ctrl_handler_setup profile and level control values are mangled.
>
> Fixes: 435c53c3698f ("media: venus: venc: Use helper to set profile and level")
> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
> ---
>
> v2: Fixed kernel test robot WARNING
>
>  drivers/media/platform/qcom/venus/core.h      | 15 +++++++--
>  drivers/media/platform/qcom/venus/venc.c      | 31 ++++++++++++++++++-
>  .../media/platform/qcom/venus/venc_ctrls.c    | 14 +++++++--
>  3 files changed, 55 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
> index 7b79a33dc9d6..05c9fbd51f0c 100644
> --- a/drivers/media/platform/qcom/venus/core.h
> +++ b/drivers/media/platform/qcom/venus/core.h
> @@ -243,8 +243,19 @@ struct venc_controls {
>  
>  	u32 header_mode;
>  
> -	u32 profile;
> -	u32 level;
> +	struct {
> +		u32 h264;
> +		u32 mpeg4;
> +		u32 hevc;
> +		u32 vp8;
> +		u32 vp9;
> +	} profile;
> +	struct {
> +		u32 h264;
> +		u32 mpeg4;
> +		u32 hevc;
> +		u32 vp9;
> +	} level;
>  };
>  
>  struct venus_buffer {
> diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
> index f8b1484e7dcd..47246528ac7e 100644
> --- a/drivers/media/platform/qcom/venus/venc.c
> +++ b/drivers/media/platform/qcom/venus/venc.c
> @@ -537,6 +537,7 @@ static int venc_set_properties(struct venus_inst *inst)
>  	struct hfi_quantization quant;
>  	struct hfi_quantization_range quant_range;
>  	u32 ptype, rate_control, bitrate;
> +	u32 profile, level;
>  	int ret;
>  
>  	ret = venus_helper_set_work_mode(inst, VIDC_WORK_MODE_2);
> @@ -684,7 +685,35 @@ static int venc_set_properties(struct venus_inst *inst)
>  	if (ret)
>  		return ret;
>  
> -	ret = venus_helper_set_profile_level(inst, ctr->profile, ctr->level);
> +	switch (inst->hfi_codec) {
> +	case HFI_VIDEO_CODEC_H264:
> +		profile = ctr->profile.h264;
> +		level = ctr->level.h264;
> +		break;
> +	case HFI_VIDEO_CODEC_MPEG4:
> +		profile = ctr->profile.mpeg4;
> +		level = ctr->level.mpeg4;
> +		break;
> +	case HFI_VIDEO_CODEC_VP8:
> +		profile = ctr->profile.vp8;
> +		level = 0;
> +		break;
> +	case HFI_VIDEO_CODEC_VP9:
> +		profile = ctr->profile.vp9;
> +		level = ctr->level.vp9;
> +		break;
> +	case HFI_VIDEO_CODEC_HEVC:
> +		profile = ctr->profile.hevc;
> +		level = ctr->level.hevc;
> +		break;
> +	case HFI_VIDEO_CODEC_MPEG2:
> +	default:
> +		profile = 0;
> +		level = 0;
> +		break;
> +	}
> +
> +	ret = venus_helper_set_profile_level(inst, profile, level);
>  	if (ret)
>  		return ret;
>  
> diff --git a/drivers/media/platform/qcom/venus/venc_ctrls.c b/drivers/media/platform/qcom/venus/venc_ctrls.c
> index 0708b3b89d0c..cf860e6446c0 100644
> --- a/drivers/media/platform/qcom/venus/venc_ctrls.c
> +++ b/drivers/media/platform/qcom/venus/venc_ctrls.c
> @@ -103,15 +103,25 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
>  		ctr->h264_entropy_mode = ctrl->val;
>  		break;
>  	case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
> +		ctr->profile.mpeg4 = ctrl->val;
> +		break;
>  	case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
> +		ctr->profile.h264 = ctrl->val;
> +		break;
>  	case V4L2_CID_MPEG_VIDEO_HEVC_PROFILE:
> +		ctr->profile.hevc = ctrl->val;
> +		break;
>  	case V4L2_CID_MPEG_VIDEO_VP8_PROFILE:
> -		ctr->profile = ctrl->val;
> +		ctr->profile.vp8 = ctrl->val;
>  		break;
>  	case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
> +		ctr->level.mpeg4 = ctrl->val;
> +		break;
>  	case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
> +		ctr->level.h264 = ctrl->val;
> +		break;
>  	case V4L2_CID_MPEG_VIDEO_HEVC_LEVEL:
> -		ctr->level = ctrl->val;
> +		ctr->level.hevc = ctrl->val;
>  		break;
>  	case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP:
>  		ctr->h264_i_qp = ctrl->val;

Hi Stanimir,

When I apply this patch on top of my 5.10rc1 tree - (
https://github.com/steev/linux/commits/c630-5.10-rc1... my c630 no
longer boots.  Unfortunately... nothing shows up in the logs, and I have
no idea how to get debug output from the c630. 

-- Steev