Early/hwe/shikra/drivers

drivers/media/platform/qcom/iris/iris_ctrls.c

@@ -13,6 +13,15 @@
 
 #define CABAC_MAX_BITRATE 160000000
 #define CAVLC_MAX_BITRATE 220000000
+#define MAX_SLICES_PER_FRAME 10
+#define MAX_SLICES_FRAME_RATE 60
+#define MAX_MB_SLICE_WIDTH 4096
+#define MAX_MB_SLICE_HEIGHT 2160
+#define MAX_BYTES_SLICE_WIDTH 1920
+#define MAX_BYTES_SLICE_HEIGHT 1088
+#define MIN_HEVC_SLICE_WIDTH 384
+#define MIN_AVC_SLICE_WIDTH 192
+#define MIN_SLICE_HEIGHT 128
 
 static inline bool iris_valid_cap_id(enum platform_inst_fw_cap_type cap_id)
 {
@@ -112,6 +121,12 @@ static enum platform_inst_fw_cap_type iris_get_cap_id(u32 id)
 		return IR_TYPE;
 	case V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD:
 		return IR_PERIOD;
+	case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
+		return SLICE_MODE;
+	case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES:
+		return SLICE_MAX_BYTES;
+	case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB:
+		return SLICE_MAX_MB;
 	default:
 		return INST_FW_CAP_MAX;
 	}
@@ -213,6 +228,12 @@ static u32 iris_get_v4l2_id(enum platform_inst_fw_cap_type cap_id)
 		return V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD_TYPE;
 	case IR_PERIOD:
 		return V4L2_CID_MPEG_VIDEO_INTRA_REFRESH_PERIOD;
+	case SLICE_MODE:
+		return V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE;
+	case SLICE_MAX_BYTES:
+		return V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES;
+	case SLICE_MAX_MB:
+		return V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB;
 	default:
 		return 0;
 	}
@@ -996,6 +1017,74 @@ int iris_set_ir_period(struct iris_inst *inst, enum platform_inst_fw_cap_type ca
 					     &ir_period, sizeof(u32));
 }
 
+int iris_set_slice_count(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id)
+{
+	const struct iris_hfi_session_ops *hfi_ops = inst->hfi_session_ops;
+	u32 slice_mode = inst->fw_caps[SLICE_MODE].value;
+	u32 bitrate = inst->fw_caps[BITRATE].value;
+	u32 rc_type = inst->fw_caps[BITRATE_MODE].value;
+	u32 fps = inst->frame_rate;
+	u32 output_width = inst->fmt_dst->fmt.pix_mp.width;
+	u32 output_height = inst->fmt_dst->fmt.pix_mp.height;
+	u32 mbpf = NUM_MBS_PER_FRAME(output_height, output_width);
+	u32 max_width, max_height, min_width, min_height;
+	u32 max_avg_slicesize, hfi_value, hfi_id;
+
+	if (slice_mode == V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE) {
+		dev_dbg(inst->core->dev, "slice mode is: %u, ignore setting to fw\n", slice_mode);
+		return 0;
+	}
+	if (!fps) {
+		dev_err(inst->core->dev, "Invalid frame rate %d\n", fps);
+		return -EINVAL;
+	}
+	if (fps > MAX_SLICES_FRAME_RATE ||
+		(rc_type != HFI_RC_OFF && rc_type != HFI_RC_CBR_CFR &&
+		rc_type != HFI_RC_CBR_VFR)) {
+		dev_err(inst->core->dev, "slice unsupported, fps: %u, rc_type: %#x\n",
+			fps, rc_type);
+		return -EINVAL;
+	}
+
+	max_width = (slice_mode == V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB) ?
+			MAX_MB_SLICE_WIDTH : MAX_BYTES_SLICE_WIDTH;
+	max_height = (slice_mode == V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB) ?
+			MAX_MB_SLICE_HEIGHT : MAX_BYTES_SLICE_HEIGHT;
+	min_width = (inst->codec == V4L2_PIX_FMT_HEVC) ?
+			MIN_HEVC_SLICE_WIDTH : MIN_AVC_SLICE_WIDTH;
+	min_height = MIN_SLICE_HEIGHT;
+
+	if (output_width < min_width || output_height < min_height ||
+		output_width > max_width || output_height > max_height) {
+		dev_err(inst->core->dev, "slice unsupported, codec: %#x wxh: [%dx%d]\n",
+			inst->codec, output_width, output_height);
+		return -EINVAL;
+	}
+
+	if (slice_mode == V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB) {
+		hfi_value = inst->fw_caps[SLICE_MAX_MB].value;
+		hfi_value = max(hfi_value, mbpf / MAX_SLICES_PER_FRAME);
+		if (inst->codec == V4L2_PIX_FMT_HEVC)
+			hfi_value = (hfi_value + 3) / 4;
+		hfi_id = inst->fw_caps[SLICE_MAX_MB].hfi_id;
+	} else if (slice_mode == V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES) {
+		hfi_value = inst->fw_caps[SLICE_MAX_BYTES].value;
+		if (rc_type != HFI_RC_OFF) {
+			max_avg_slicesize = ((bitrate / fps) / 8) / MAX_SLICES_PER_FRAME;
+			hfi_value = max(hfi_value, max_avg_slicesize);
+		}
+		hfi_id = inst->fw_caps[SLICE_MAX_BYTES].hfi_id;
+	} else {
+		return -EINVAL;
+	}
+
+	return hfi_ops->session_set_property(inst, hfi_id,
+					     HFI_HOST_FLAGS_NONE,
+					     iris_get_port_info(inst, cap_id),
+					     HFI_PAYLOAD_U32,
+					     &hfi_value, sizeof(u32));
+}
+
 int iris_set_properties(struct iris_inst *inst, u32 plane)
 {
 	const struct iris_hfi_session_ops *hfi_ops = inst->hfi_session_ops;

drivers/media/platform/qcom/iris/iris_ctrls.h

@@ -35,6 +35,7 @@ int iris_set_qp_range(struct iris_inst *inst, enum platform_inst_fw_cap_type cap
 int iris_set_rotation(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id);
 int iris_set_flip(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id);
 int iris_set_ir_period(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id);
+int iris_set_slice_count(struct iris_inst *inst, enum platform_inst_fw_cap_type cap_id);
 int iris_set_properties(struct iris_inst *inst, u32 plane);
 
 #endif

drivers/media/platform/qcom/iris/iris_hfi_gen2.c

@@ -13,6 +13,8 @@
 
 #define VIDEO_ARCH_LX 1
 #define BITRATE_MAX				245000000
+#define MAX_SLICE_MB_SIZE         \
+	(((4096 + 15) >> 4) * ((2304 + 15) >> 4))
 
 static const struct platform_inst_fw_cap inst_fw_cap_sm8550_dec[] = {
 	{
@@ -716,6 +718,35 @@ static const struct platform_inst_fw_cap inst_fw_cap_sm8550_enc[] = {
 			CAP_FLAG_DYNAMIC_ALLOWED,
 		.set = iris_set_ir_period,
 	},
+	{
+		.cap_id = SLICE_MODE,
+		.min = V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE,
+		.max = V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES,
+		.step_or_mask = BIT(V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE) |
+					BIT(V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB) |
+					BIT(V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES),
+		.value = V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE,
+		.flags = CAP_FLAG_OUTPUT_PORT | CAP_FLAG_MENU,
+		.set = iris_set_slice_count,
+	},
+	{
+		.cap_id = SLICE_MAX_BYTES,
+		.min = 512,
+		.max = BITRATE_MAX >> 3,
+		.step_or_mask = 1,
+		.value = 512,
+		.hfi_id = HFI_PROP_MULTI_SLICE_BYTES_COUNT,
+		.flags = CAP_FLAG_OUTPUT_PORT,
+	},
+	{
+		.cap_id = SLICE_MAX_MB,
+		.min = 1,
+		.max = MAX_SLICE_MB_SIZE,
+		.step_or_mask = 1,
+		.value = 1,
+		.hfi_id = HFI_PROP_MULTI_SLICE_MB_COUNT,
+		.flags = CAP_FLAG_OUTPUT_PORT,
+	},
 };
 
 static const u32 sm8550_vdec_input_config_params_default[] = {

drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h

@@ -71,6 +71,8 @@ enum hfi_rate_control {
 #define HFI_PROP_MIN_QP_PACKED			0x0300012f
 #define HFI_PROP_MAX_QP_PACKED			0x03000130
 #define HFI_PROP_IR_RANDOM_PERIOD		0x03000131
+#define HFI_PROP_MULTI_SLICE_MB_COUNT		0x03000132
+#define HFI_PROP_MULTI_SLICE_BYTES_COUNT	0x03000133
 #define HFI_PROP_TOTAL_BITRATE			0x0300013b
 #define HFI_PROP_MAX_GOP_FRAMES			0x03000146
 #define HFI_PROP_MAX_B_FRAMES			0x03000147

drivers/media/platform/qcom/iris/iris_platform_common.h

@@ -165,6 +165,9 @@ enum platform_inst_fw_cap_type {
 	VFLIP,
 	IR_TYPE,
 	IR_PERIOD,
+	SLICE_MODE,
+	SLICE_MAX_BYTES,
+	SLICE_MAX_MB,
 	INST_FW_CAP_MAX,
 };
 

drivers/media/platform/qcom/iris/iris_platform_qcm2290.h

@@ -8,6 +8,8 @@
 #define BITRATE_MAX_AR50LT		100000000
 #define BITRATE_DEFAULT_AR50LT		20000000
 #define MIN_QP_8BIT_AR50LT		0
+#define MAX_SLICE_MB_SIZE         \
+	(((4096 + 15) >> 4) * ((2304 + 15) >> 4))
 
 static const struct platform_inst_fw_cap inst_fw_cap_qcm2290_dec[] = {
 	{
@@ -566,6 +568,35 @@ static const struct platform_inst_fw_cap inst_fw_cap_qcm2290_enc[] = {
 			CAP_FLAG_DYNAMIC_ALLOWED,
 		.set = iris_set_ir_period,
 	},
+	{
+		.cap_id = SLICE_MODE,
+		.min = V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE,
+		.max = V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES,
+		.step_or_mask = BIT(V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE) |
+					BIT(V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB) |
+					BIT(V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES),
+		.value = V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE,
+		.flags = CAP_FLAG_OUTPUT_PORT | CAP_FLAG_MENU,
+		.set = iris_set_slice_count,
+	},
+	{
+		.cap_id = SLICE_MAX_BYTES,
+		.min = 512,
+		.max = BITRATE_MAX_AR50LT >> 3,
+		.step_or_mask = 1,
+		.value = 512,
+		.hfi_id = HFI_PROP_MULTI_SLICE_BYTES_COUNT,
+		.flags = CAP_FLAG_OUTPUT_PORT,
+	},
+	{
+		.cap_id = SLICE_MAX_MB,
+		.min = 1,
+		.max = MAX_SLICE_MB_SIZE,
+		.step_or_mask = 1,
+		.value = 1,
+		.hfi_id = HFI_PROP_MULTI_SLICE_MB_COUNT,
+		.flags = CAP_FLAG_OUTPUT_PORT,
+	},
 };
 
 static const u32 qcm2290_dec_ip_int_buf_tbl[] = {