venus: Add support for min/max qp range.

Currently QP range set from client is not communicated to video firmware.
Add support for the QP range HFI to set the same to firmware.
Signed-off-by: Viswanath Boma <quic_vboma@quicinc.com>
Signed-off-by: Vikash Garodia <quic_vgarodia@quicinc.com>
Signed-off-by: Stanimir Varbanov <stanimir.k.varbanov@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

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

@@ -1257,7 +1257,30 @@ pkt_session_set_property_4xx(struct hfi_session_set_property_pkt *pkt,
 		pkt->shdr.hdr.size += sizeof(u32) + sizeof(*tm);
 		break;
 	}
+	case HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE_V2: {
+		struct hfi_quantization_range_v2 *in = pdata, *range = prop_data;
+		u32 min_qp, max_qp;
+
+		min_qp = in->min_qp.qp_packed;
+		max_qp = in->max_qp.qp_packed;
 
+		/* We'll be packing in the qp, so make sure we
+		 * won't be losing data when masking
+		 */
+		if (min_qp > 0xff || max_qp > 0xff)
+			return -ERANGE;
+
+		range->min_qp.layer_id = 0xFF;
+		range->max_qp.layer_id = 0xFF;
+		range->min_qp.qp_packed = (min_qp & 0xFF) | ((min_qp & 0xFF) << 8) |
+			((min_qp & 0xFF) << 16);
+		range->max_qp.qp_packed = (max_qp & 0xFF) | ((max_qp & 0xFF) << 8) |
+			((max_qp & 0xFF) << 16);
+		range->min_qp.enable = 7;
+		range->max_qp.enable = 7;
+		pkt->shdr.hdr.size += sizeof(u32) + sizeof(*range);
+		break;
+	}
 	case HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE:
 	case HFI_PROPERTY_CONFIG_VDEC_POST_LOOP_DEBLOCKER:
 	case HFI_PROPERTY_PARAM_BUFFER_ALLOC_MODE:

drivers/media/platform/qcom/venus/hfi_helper.h

@@ -487,6 +487,11 @@
 #define HFI_PROPERTY_PARAM_VENC_SESSION_QP			0x2005006
 #define HFI_PROPERTY_PARAM_VENC_MPEG4_AC_PREDICTION		0x2005007
 #define HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE		0x2005008
+/*
+ * Note: HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE_V2 is
+ * specific to HFI_VERSION_6XX and HFI_VERSION_4XX only
+ */
+#define HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE_V2		0x2005009
 #define HFI_PROPERTY_PARAM_VENC_MPEG4_TIME_RESOLUTION		0x2005009
 #define HFI_PROPERTY_PARAM_VENC_MPEG4_SHORT_HEADER		0x200500a
 #define HFI_PROPERTY_PARAM_VENC_MPEG4_HEADER_EXTENSION		0x200500b
@@ -827,6 +832,19 @@ struct hfi_quantization_range {
 	u32 layer_id;
 };
 
+struct hfi_quantization_v2 {
+	u32 qp_packed;
+	u32 layer_id;
+	u32 enable;
+	u32 reserved[3];
+};
+
+struct hfi_quantization_range_v2 {
+	struct hfi_quantization_v2 min_qp;
+	struct hfi_quantization_v2 max_qp;
+	u32 reserved[4];
+};
+
 #define HFI_LTR_MODE_DISABLE	0x0
 #define HFI_LTR_MODE_MANUAL	0x1
 #define HFI_LTR_MODE_PERIODIC	0x2

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

@@ -617,6 +617,7 @@ static int venc_set_properties(struct venus_inst *inst)
 	struct hfi_idr_period idrp;
 	struct hfi_quantization quant;
 	struct hfi_quantization_range quant_range;
+	struct hfi_quantization_range_v2 quant_range_v2;
 	struct hfi_enable en;
 	struct hfi_ltr_mode ltr_mode;
 	struct hfi_intra_refresh intra_refresh = {};
@@ -825,16 +826,40 @@ static int venc_set_properties(struct venus_inst *inst)
 	if (ret)
 		return ret;
 
+	if (inst->core->res->hfi_version == HFI_VERSION_4XX ||
+	    inst->core->res->hfi_version == HFI_VERSION_6XX) {
+		ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE_V2;
+
+		if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
+			quant_range_v2.min_qp.qp_packed = ctr->hevc_min_qp;
+			quant_range_v2.max_qp.qp_packed = ctr->hevc_max_qp;
+		} else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
+			quant_range_v2.min_qp.qp_packed = ctr->vp8_min_qp;
+			quant_range_v2.max_qp.qp_packed = ctr->vp8_max_qp;
+		} else {
+			quant_range_v2.min_qp.qp_packed = ctr->h264_min_qp;
+			quant_range_v2.max_qp.qp_packed = ctr->h264_max_qp;
+		}
+
+		ret = hfi_session_set_property(inst, ptype, &quant_range_v2);
+	} else {
 		ptype = HFI_PROPERTY_PARAM_VENC_SESSION_QP_RANGE;
+
 		if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_HEVC) {
 			quant_range.min_qp = ctr->hevc_min_qp;
 			quant_range.max_qp = ctr->hevc_max_qp;
+		} else if (inst->fmt_cap->pixfmt == V4L2_PIX_FMT_VP8) {
+			quant_range.min_qp = ctr->vp8_min_qp;
+			quant_range.max_qp = ctr->vp8_max_qp;
 		} else {
 			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;