linux-kernel - [PATCH 2/3] venus: Add a handling of QC8C compressed format

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Message-Id: <20210429105815.2790770-3-stanimir.varbanov@linaro.org>
Date:   Thu, 29 Apr 2021 13:58:14 +0300
From:   Stanimir Varbanov <stanimir.varbanov@...aro.org>
To:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-api@...r.kernel.org
Cc:     Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>
Subject: [PATCH 2/3] venus: Add a handling of QC8C compressed format

This adds QC8C compressed pixel format in the Venus driver, and
make it enumeratable from v4l2 clients.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
---
 drivers/media/platform/qcom/venus/helpers.c |  2 ++
 drivers/media/platform/qcom/venus/vdec.c    | 12 +++++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
index 9b8ff76e3c43..3a0b07d237a5 100644
--- a/drivers/media/platform/qcom/venus/helpers.c
+++ b/drivers/media/platform/qcom/venus/helpers.c
@@ -561,6 +561,8 @@ static u32 to_hfi_raw_fmt(u32 v4l2_fmt)
 		return HFI_COLOR_FORMAT_NV12;
 	case V4L2_PIX_FMT_NV21:
 		return HFI_COLOR_FORMAT_NV21;
+	case V4L2_PIX_FMT_QC8C:
+		return HFI_COLOR_FORMAT_NV12_UBWC;
 	default:
 		break;
 	}
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index 5e5584fc21e9..d4cc51fc019c 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -31,6 +31,10 @@
  */
 static const struct venus_format vdec_formats[] = {
 	{
+		.pixfmt = V4L2_PIX_FMT_QC8C,
+		.num_planes = 1,
+		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
+	}, {
 		.pixfmt = V4L2_PIX_FMT_NV12,
 		.num_planes = 1,
 		.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
@@ -696,7 +700,13 @@ static int vdec_output_conf(struct venus_inst *inst)
 	inst->output2_buf_size =
 			venus_helper_get_framesz_raw(out2_fmt, width, height);
 
-	if (is_ubwc_fmt(out_fmt)) {
+	if (is_ubwc_fmt(out_fmt) && is_ubwc_fmt(out2_fmt)) {
+		inst->output2_buf_size = 0;
+		inst->opb_buftype = HFI_BUFFER_OUTPUT;
+		inst->opb_fmt = out_fmt;
+		inst->dpb_buftype = 0;
+		inst->dpb_fmt = 0;
+	} else if (is_ubwc_fmt(out_fmt)) {
 		inst->opb_buftype = HFI_BUFFER_OUTPUT2;
 		inst->opb_fmt = out2_fmt;
 		inst->dpb_buftype = HFI_BUFFER_OUTPUT;
-- 
2.25.1