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From:   Jonathan Marek <jonathan@marek.ca>
To:     freedreno@lists.freedesktop.org
Cc:     Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Jordan Crouse <jordan@cosmicpenguin.net>,
        Akhil P Oommen <akhilpo@codeaurora.org>,
        Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>,
        Eric Anholt <eric@anholt.net>,
        Sharat Masetty <smasetty@codeaurora.org>,
        Douglas Anderson <dianders@chromium.org>,
        linux-arm-msm@vger.kernel.org (open list:DRM DRIVER FOR MSM ADRENO GPU),
        dri-devel@lists.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO
        GPU), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v3 4/5] drm/msm/a6xx: add missing PC_DBG_ECO_CNTL bit for a640/a650
Date:   Tue,  8 Jun 2021 13:27:47 -0400
Message-Id: <20210608172808.11803-5-jonathan@marek.ca>
In-Reply-To: <20210608172808.11803-1-jonathan@marek.ca>
References: <20210608172808.11803-1-jonathan@marek.ca>
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See downstream's "disable_tseskip" flag.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 853be7651623..bbbf90d86828 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -844,13 +844,15 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
 	/* Setting the mem pool size */
 	gpu_write(gpu, REG_A6XX_CP_MEM_POOL_SIZE, 128);
 
-	/* Setting the primFifo thresholds default values */
+	/* Setting the primFifo thresholds default values,
+	 * and vccCacheSkipDis=1 bit (0x200) for A640 and newer
+	*/
 	if (adreno_is_a650(adreno_gpu))
-		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300000);
+		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300200);
 	else if (adreno_is_a640(adreno_gpu))
-		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00200000);
+		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00200200);
 	else
-		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, (0x300 << 11));
+		gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00180000);
 
 	/* Set the AHB default slave response to "ERROR" */
 	gpu_write(gpu, REG_A6XX_CP_AHB_CNTL, 0x1);
-- 
2.26.1