video: driver: Add support for AV1D IBC feature

Add support for AV1D Intra-Block Copy (IBC) feature. This requires a
dedicated internal buffer (HFI_BUFFER_IBC_AV1D), which was previously
part of LINE buffer. A new internal buffer type called
HFI_BUFFER_PARTIAL_DATA is introduced, and this buffer type holds
HFI_BUFFER_IBC_AV1D for AV1D. HFI_BUFFER_PARTIAL_DATA is mapped to
NON_SECURE_PIXEL context bank for non-secure and to SECURE_PIXEL
context bank for secure use case.

Change-Id: If7ae22495f9981f275d54acc342c25ccdfc0c7b9
Signed-off-by: Mihir Ganu <quic_mganu@quicinc.com>

driver/variant/iris3/inc/hfi_buffer_iris3.h

@@ -1054,8 +1054,7 @@ _yuv_bufcount_min, is_opb, num_vpp_pipes)           \
 			num_vpp_pipes) \
 	do \
 	{ \
-		HFI_U32 vpssLBSize, ibcBufSize, opbwr1BufSize, \
-			opbwr8, opbwr10, ibc8, ibc10; \
+		HFI_U32 vpssLBSize, opbwr1BufSize, opbwr8, opbwr10; \
 		_size = HFI_ALIGN(SIZE_AV1D_LB_FE_TOP_DATA(frame_width, frame_height), \
 				VENUS_DMA_ALIGNMENT) + \
 			HFI_ALIGN(SIZE_AV1D_LB_FE_TOP_CTRL(frame_width, frame_height), \
@@ -1086,13 +1085,14 @@ _yuv_bufcount_min, is_opb, num_vpp_pipes)           \
 			SIZE_VPSS_LB(vpssLBSize, frame_width, frame_height, num_vpp_pipes); \
 			_size = HFI_ALIGN((_size + vpssLBSize), VENUS_DMA_ALIGNMENT); \
 		} \
-		else \
-		{ \
-			SIZE_AV1D_IBC_NV12_UBWC(ibc8, frame_width, frame_height); \
-			SIZE_AV1D_IBC_TP10_UBWC(ibc10, frame_width, frame_height); \
-			ibcBufSize = MAX(ibc8, ibc10); \
-			_size = HFI_ALIGN((_size + ibcBufSize), VENUS_DMA_ALIGNMENT); \
-		} \
+	} while (0)
+
+#define HFI_BUFFER_IBC_AV1D(_size, frame_width, frame_height) \
+	do { \
+		HFI_U32 ibc8, ibc10; \
+		SIZE_AV1D_IBC_NV12_UBWC(ibc8, frame_width, frame_height); \
+		SIZE_AV1D_IBC_TP10_UBWC(ibc10, frame_width, frame_height); \
+		_size = HFI_ALIGN(MAX(ibc8, ibc10), VENUS_DMA_ALIGNMENT); \
 	} while (0)
 
 #define AV1_CABAC_HDR_RATIO_HD_TOT 2

driver/variant/iris3/src/msm_vidc_buffer_iris3.c

@@ -165,11 +165,9 @@ static u32 msm_vidc_decoder_line_size_iris3(struct msm_vidc_inst *inst)
 		is_opb = false;
 	/*
 	 * assume worst case, since color format is unknown at this
-	 * time. The exception is AV1D, where line buffer size is larger
-	 * in DPB-only mode.
+	 * time.
 	 */
-	if (inst->codec != MSM_VIDC_AV1)
-		is_opb = true;
+	is_opb = true;
 
 	if (inst->decode_vpp_delay.enable)
 		vpp_delay = inst->decode_vpp_delay.size;
@@ -197,6 +195,28 @@ static u32 msm_vidc_decoder_line_size_iris3(struct msm_vidc_inst *inst)
 	return size;
 }
 
+static u32 msm_vidc_decoder_partial_data_size_iris3(struct msm_vidc_inst *inst)
+{
+	u32 size = 0;
+	u32 width, height;
+	struct v4l2_format *f;
+
+	if (!inst) {
+		d_vpr_e("%s: invalid params\n", __func__);
+		return size;
+	}
+
+	f = &inst->fmts[INPUT_PORT];
+	width = f->fmt.pix_mp.width;
+	height = f->fmt.pix_mp.height;
+
+	if (inst->codec == MSM_VIDC_AV1)
+		HFI_BUFFER_IBC_AV1D(size, width, height);
+
+	i_vpr_l(inst, "%s: size %d\n", __func__, size);
+	return size;
+}
+
 static u32 msm_vidc_decoder_persist_size_iris3(struct msm_vidc_inst *inst)
 {
 	u32 size = 0;
@@ -543,6 +563,7 @@ int msm_buffer_size_iris3(struct msm_vidc_inst *inst,
 		{MSM_VIDC_BUF_LINE,            msm_vidc_decoder_line_size_iris3         },
 		{MSM_VIDC_BUF_PERSIST,         msm_vidc_decoder_persist_size_iris3      },
 		{MSM_VIDC_BUF_DPB,             msm_vidc_decoder_dpb_size_iris3          },
+		{MSM_VIDC_BUF_PARTIAL_DATA,    msm_vidc_decoder_partial_data_size_iris3 },
 	};
 	static const struct msm_vidc_buf_type_handle enc_buf_type_handle[] = {
 		{MSM_VIDC_BUF_INPUT,           msm_vidc_encoder_input_size              },
@@ -675,6 +696,7 @@ int msm_buffer_min_count_iris3(struct msm_vidc_inst *inst,
 	case MSM_VIDC_BUF_PERSIST:
 	case MSM_VIDC_BUF_ARP:
 	case MSM_VIDC_BUF_VPSS:
+	case MSM_VIDC_BUF_PARTIAL_DATA:
 		count = msm_vidc_internal_buffer_count(inst, buffer_type);
 		break;
 	case MSM_VIDC_BUF_DPB: