media: venus: Add a handling of QC08C compressed format

This adds QC08C compressed pixel format in the Venus driver, and
make it possible to discover from v4l2 clients.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/qcom/venus/helpers.c

@@ -608,6 +608,8 @@ 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_QC08C:
+		return HFI_COLOR_FORMAT_NV12_UBWC;
 	default:
 		break;
 	}

drivers/media/platform/qcom/venus/vdec.c

@@ -31,6 +31,10 @@
  */
 static const struct venus_format vdec_formats[] = {
 	{
+		.pixfmt = V4L2_PIX_FMT_QC08C,
+		.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,
@@ -106,6 +110,10 @@ find_format(struct venus_inst *inst, u32 pixfmt, u32 type)
 	    !venus_helper_check_codec(inst, fmt[i].pixfmt))
 		return NULL;
 
+	if (V4L2_TYPE_IS_CAPTURE(type) &&
+	    !venus_helper_check_format(inst, fmt[i].pixfmt))
+		return NULL;
+
 	return &fmt[i];
 }
 
@@ -124,8 +132,12 @@ find_format_by_index(struct venus_inst *inst, unsigned int index, u32 type)
 
 		if (fmt[i].type != type)
 			continue;
-		valid = type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE ||
-			venus_helper_check_codec(inst, fmt[i].pixfmt);
+
+		if (V4L2_TYPE_IS_OUTPUT(type))
+			valid = venus_helper_check_codec(inst, fmt[i].pixfmt);
+		else if (V4L2_TYPE_IS_CAPTURE(type))
+			valid = venus_helper_check_format(inst, fmt[i].pixfmt);
+
 		if (k == index && valid)
 			break;
 		if (valid)
@@ -1527,7 +1539,7 @@ static const struct hfi_inst_ops vdec_hfi_ops = {
 static void vdec_inst_init(struct venus_inst *inst)
 {
 	inst->hfi_codec = HFI_VIDEO_CODEC_H264;
-	inst->fmt_out = &vdec_formats[6];
+	inst->fmt_out = &vdec_formats[7];
 	inst->fmt_cap = &vdec_formats[0];
 	inst->width = frame_width_min(inst);
 	inst->height = ALIGN(frame_height_min(inst), 32);