media: venus: Support V4L2 QP parameters in Venus encoder

Support V4L2 QP parameters in Venus encoder:
 * V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP
 * V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP
 * V4L2_CID_MPEG_VIDEO_H264_MIN_QP
 * V4L2_CID_MPEG_VIDEO_H264_MAX_QP
Signed-off-by: Kelvin Lawson <klawson@lisden.com>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

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

@@ -651,6 +651,8 @@ static int venc_set_properties(struct venus_inst *inst)
 	struct hfi_framerate frate;
 	struct hfi_bitrate brate;
 	struct hfi_idr_period idrp;
+	struct hfi_quantization quant;
+	struct hfi_quantization_range quant_range;
 	u32 ptype, rate_control, bitrate, profile = 0, level = 0;
 	int ret;
 
@@ -770,6 +772,23 @@ static int venc_set_properties(struct venus_inst *inst)
 	if (ret)
 		return ret;
 
+	ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP;
+	quant.qp_i = ctr->h264_i_qp;
+	quant.qp_p = ctr->h264_p_qp;
+	quant.qp_b = ctr->h264_b_qp;
+	quant.layer_id = 0;
+	ret = hfi_session_set_property(inst, ptype, &quant);
+	if (ret)
+		return ret;
+
+	ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
+	quant_range.min_qp = ctr->h264_min_qp;
+	quant_range.max_qp = ctr->h264_max_qp;
+	quant_range.layer_id = 0;
+	ret = hfi_session_set_property(inst, ptype, &quant_range);
+	if (ret)
+		return ret;
+
 	if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_H264) {
 		profile = venc_v4l2_to_hfi(V4L2_CID_MPEG_VIDEO_H264_PROFILE,
 					   ctr->profile.h264);