drm/msm/a6xx: Store primFifoThreshold in struct a6xx_info

The if-else monster is so unmaintainable that one case is repeated
twice. Get rid of it.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/611092/
[add missing entry to a615 catalog to resolve conflict]
Signed-off-by: Rob Clark <robdclark@chromium.org>

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

@@ -636,6 +636,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a612_hwcg,
 			.protect = &a630_protect,
+			.prim_fifo_threshold = 0x00080000,
 		},
 		/*
 		 * There are (at least) three SoCs implementing A610: SM6125
@@ -666,6 +667,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a615_hwcg,
 			.protect = &a630_protect,
+			.prim_fifo_threshold = 0x0018000,
 		},
 		.speedbins = ADRENO_SPEEDBINS(
 			/*
@@ -694,6 +696,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a615_hwcg,
 			.protect = &a630_protect,
+			.prim_fifo_threshold = 0x00180000,
 		},
 		.speedbins = ADRENO_SPEEDBINS(
 			{ 0,   0 },
@@ -716,6 +719,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.init = a6xx_gpu_init,
 		.a6xx = &(const struct a6xx_info) {
 			.protect = &a630_protect,
+			.prim_fifo_threshold = 0x00180000,
 		},
 		.speedbins = ADRENO_SPEEDBINS(
 			{ 0,   0 },
@@ -738,6 +742,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a615_hwcg,
 			.protect = &a630_protect,
+			.prim_fifo_threshold = 0x00018000,
 		},
 		.speedbins = ADRENO_SPEEDBINS(
 			{ 0,   0 },
@@ -760,6 +765,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a615_hwcg,
 			.protect = &a630_protect,
+			.prim_fifo_threshold = 0x00018000,
 		},
 		.speedbins = ADRENO_SPEEDBINS(
 			{ 0,   0 },
@@ -782,6 +788,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a615_hwcg,
 			.protect = &a630_protect,
+			.prim_fifo_threshold = 0x00018000,
 		},
 		.speedbins = ADRENO_SPEEDBINS(
 			{ 0,   0 },
@@ -809,6 +816,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a630_hwcg,
 			.protect = &a630_protect,
+			.prim_fifo_threshold = 0x00180000,
 		},
 	}, {
 		.chip_ids = ADRENO_CHIP_IDS(0x06040001),
@@ -826,6 +834,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a640_hwcg,
 			.protect = &a630_protect,
+			.prim_fifo_threshold = 0x00180000,
 		},
 		.speedbins = ADRENO_SPEEDBINS(
 			{ 0, 0 },
@@ -848,6 +857,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a650_hwcg,
 			.protect = &a650_protect,
+			.prim_fifo_threshold = 0x00300200,
 		},
 		.address_space_size = SZ_16G,
 		.speedbins = ADRENO_SPEEDBINS(
@@ -873,6 +883,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a660_hwcg,
 			.protect = &a660_protect,
+			.prim_fifo_threshold = 0x00300200,
 		},
 		.address_space_size = SZ_16G,
 	}, {
@@ -891,6 +902,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a660_hwcg,
 			.protect = &a660_protect,
+			.prim_fifo_threshold = 0x00200200,
 		},
 		.address_space_size = SZ_16G,
 		.speedbins = ADRENO_SPEEDBINS(
@@ -916,6 +928,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a640_hwcg,
 			.protect = &a630_protect,
+			.prim_fifo_threshold = 0x00200200,
 		},
 	}, {
 		.chip_ids = ADRENO_CHIP_IDS(0x06090000),
@@ -933,6 +946,7 @@ static const struct adreno_info a6xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a690_hwcg,
 			.protect = &a690_protect,
+			.prim_fifo_threshold = 0x00800200,
 		},
 		.address_space_size = SZ_16G,
 	}
@@ -1193,6 +1207,7 @@ static const struct adreno_info a7xx_gpus[] = {
 		.a6xx = &(const struct a6xx_info) {
 			.hwcg = a702_hwcg,
 			.protect = &a650_protect,
+			.prim_fifo_threshold = 0x0000c000,
 		},
 		.speedbins = ADRENO_SPEEDBINS(
 			{ 0,   0 },

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

@@ -981,25 +981,11 @@ static int hw_init(struct msm_gpu *gpu)
 	} else if (!adreno_is_a7xx(adreno_gpu))
 		gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 128);
 
-	/* Setting the primFifo thresholds default values,
-	 * and vccCacheSkipDis=1 bit (0x200) for A640 and newer
-	*/
-	if (adreno_is_a702(adreno_gpu))
-		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x0000c000);
-	else if (adreno_is_a690(adreno_gpu))
-		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00800200);
-	else if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu))
-		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300200);
-	else if (adreno_is_a640_family(adreno_gpu) || adreno_is_7c3(adreno_gpu))
-		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00200200);
-	else if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu))
-		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300200);
-	else if (adreno_is_a619(adreno_gpu))
-		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00018000);
-	else if (adreno_is_a610(adreno_gpu))
-		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00080000);
-	else if (!adreno_is_a7xx(adreno_gpu))
-		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00180000);
+
+	/* Set the default primFifo threshold values */
+	if (adreno_gpu->info->a6xx->prim_fifo_threshold)
+		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL,
+			  adreno_gpu->info->a6xx->prim_fifo_threshold);
 
 	/* Set the AHB default slave response to "ERROR" */
 	gpu_write(gpu, REG_A6XX_CP_AHB_CNTL, 0x1);

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

@@ -22,6 +22,7 @@ struct a6xx_info {
 	const struct adreno_reglist *hwcg;
 	const struct adreno_protect *protect;
 	u32 gmu_chipid;
+	u32 prim_fifo_threshold;
 };
 
 struct a6xx_gpu {