drm/msm/a7xx: Add missing register writes from downstream

This isn't known to fix anything yet, but it's a good idea to add it.
Signed-off-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/592043/Signed-off-by: Rob Clark <robdclark@chromium.org>

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

@@ -1091,6 +1091,17 @@ static int hw_init(struct msm_gpu *gpu)
 				  BIT(6) | BIT(5) | BIT(3) | BIT(2) | BIT(1));
 	}
 
+	if (adreno_is_a750(adreno_gpu)) {
+		/* Disable ubwc merged UFC request feature */
+		gpu_rmw(gpu, REG_A6XX_RB_CMP_DBG_ECO_CNTL, BIT(19), BIT(19));
+
+		/* Enable TP flaghint and other performance settings */
+		gpu_write(gpu, REG_A6XX_TPL1_DBG_ECO_CNTL1, 0xc0700);
+	} else if (adreno_is_a7xx(adreno_gpu)) {
+		/* Disable non-ubwc read reqs from passing write reqs */
+		gpu_rmw(gpu, REG_A6XX_RB_CMP_DBG_ECO_CNTL, BIT(11), BIT(11));
+	}
+
 	/* Enable interrupts */
 	gpu_write(gpu, REG_A6XX_RBBM_INT_0_MASK,
 		  adreno_is_a7xx(adreno_gpu) ? A7XX_INT_MASK : A6XX_INT_MASK);