drm/msm/a6xx: Add support for A663

Add support for Adreno 663 found on sa8775p based platforms.

Signed-off-by: Puranam V G Tejaswi <quic_pvgtejas@quicinc.com>
Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/620768/
Signed-off-by: Rob Clark <robdclark@chromium.org>

Author: pvgtejas-quic

drivers/gpu/drm/msm/adreno/a6xx_catalog.c

@@ -972,6 +972,25 @@ static const struct adreno_info a6xx_gpus[] = {
 			.prim_fifo_threshold = 0x00300200,
 		},
 		.address_space_size = SZ_16G,
+	}, {
+		.chip_ids = ADRENO_CHIP_IDS(0x06060300),
+		.family = ADRENO_6XX_GEN4,
+		.fw = {
+			[ADRENO_FW_SQE] = "a660_sqe.fw",
+			[ADRENO_FW_GMU] = "a663_gmu.bin",
+		},
+		.gmem = SZ_1M + SZ_512K,
+		.inactive_period = DRM_MSM_INACTIVE_PERIOD,
+		.quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
+			ADRENO_QUIRK_HAS_HW_APRIV,
+		.init = a6xx_gpu_init,
+		.a6xx = &(const struct a6xx_info) {
+			.hwcg = a690_hwcg,
+			.protect = &a660_protect,
+			.gmu_cgc_mode = 0x00020200,
+			.prim_fifo_threshold = 0x00300200,
+		},
+		.address_space_size = SZ_16G,
 	}, {
 		.chip_ids = ADRENO_CHIP_IDS(0x06030500),
 		.family = ADRENO_6XX_GEN4,

drivers/gpu/drm/msm/adreno/a6xx_gpu.c

@@ -635,6 +635,15 @@ static void a6xx_calc_ubwc_config(struct adreno_gpu *gpu)
 		gpu->ubwc_config.macrotile_mode = 1;
 	}
 
+	if (adreno_is_a663(gpu)) {
+		gpu->ubwc_config.highest_bank_bit = 13;
+		gpu->ubwc_config.amsbc = 1;
+		gpu->ubwc_config.rgb565_predicator = 1;
+		gpu->ubwc_config.uavflagprd_inv = 2;
+		gpu->ubwc_config.macrotile_mode = 1;
+		gpu->ubwc_config.ubwc_swizzle = 0x4;
+	}
+
 	if (adreno_is_7c3(gpu)) {
 		gpu->ubwc_config.highest_bank_bit = 14;
 		gpu->ubwc_config.amsbc = 1;
@@ -1240,7 +1249,7 @@ static int hw_init(struct msm_gpu *gpu)
 	if (adreno_is_a690(adreno_gpu))
 		gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG, 0x90);
 	/* Set dualQ + disable afull for A660 GPU */
-	else if (adreno_is_a660(adreno_gpu))
+	else if (adreno_is_a660(adreno_gpu) || adreno_is_a663(adreno_gpu))
 		gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG, 0x66906);
 	else if (adreno_is_a7xx(adreno_gpu))
 		gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG,

drivers/gpu/drm/msm/adreno/a6xx_hfi.c

@@ -478,6 +478,37 @@ static void a660_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
 	msg->cnoc_cmds_data[1][0] =  0x60000001;
 }
 
+static void a663_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
+{
+	/*
+	 * Send a single "off" entry just to get things running
+	 * TODO: bus scaling
+	 */
+	msg->bw_level_num = 1;
+
+	msg->ddr_cmds_num = 3;
+	msg->ddr_wait_bitmask = 0x07;
+
+	msg->ddr_cmds_addrs[0] = 0x50004;
+	msg->ddr_cmds_addrs[1] = 0x50000;
+	msg->ddr_cmds_addrs[2] = 0x500b4;
+
+	msg->ddr_cmds_data[0][0] =  0x40000000;
+	msg->ddr_cmds_data[0][1] =  0x40000000;
+	msg->ddr_cmds_data[0][2] =  0x40000000;
+
+	/*
+	 * These are the CX (CNOC) votes - these are used by the GMU but the
+	 * votes are known and fixed for the target
+	 */
+	msg->cnoc_cmds_num = 1;
+	msg->cnoc_wait_bitmask = 0x01;
+
+	msg->cnoc_cmds_addrs[0] = 0x50058;
+	msg->cnoc_cmds_data[0][0] =  0x40000000;
+	msg->cnoc_cmds_data[1][0] =  0x60000001;
+}
+
 static void adreno_7c3_build_bw_table(struct a6xx_hfi_msg_bw_table *msg)
 {
 	/*
@@ -646,6 +677,8 @@ static int a6xx_hfi_send_bw_table(struct a6xx_gmu *gmu)
 		adreno_7c3_build_bw_table(&msg);
 	else if (adreno_is_a660(adreno_gpu))
 		a660_build_bw_table(&msg);
+	else if (adreno_is_a663(adreno_gpu))
+		a663_build_bw_table(&msg);
 	else if (adreno_is_a690(adreno_gpu))
 		a690_build_bw_table(&msg);
 	else if (adreno_is_a730(adreno_gpu))

drivers/gpu/drm/msm/adreno/adreno_gpu.h

@@ -470,6 +470,11 @@ static inline int adreno_is_a680(const struct adreno_gpu *gpu)
 	return adreno_is_revn(gpu, 680);
 }
 
+static inline int adreno_is_a663(const struct adreno_gpu *gpu)
+{
+	return gpu->info->chip_ids[0] == 0x06060300;
+}
+
 static inline int adreno_is_a690(const struct adreno_gpu *gpu)
 {
 	return gpu->info->chip_ids[0] == 0x06090000;