[PATCH v4 2/6] drm/msm/a6xx: Use descriptive bitfield names for CP_PROTECT_CNTL

Konrad Dybcio konrad.dybcio at linaro.org
Tue Jun 20 11:10:37 UTC 2023


We have the necessary information, so explain which bit does what.

Signed-off-by: Konrad Dybcio <konrad.dybcio at linaro.org>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index b3ada1e7b598..cd0c9bccdc19 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -930,7 +930,10 @@ static void a6xx_set_cp_protect(struct msm_gpu *gpu)
 	 * protect violation and select the last span to protect from the start
 	 * address all the way to the end of the register address space
 	 */
-	gpu_write(gpu, REG_A6XX_CP_PROTECT_CNTL, BIT(0) | BIT(1) | BIT(3));
+	gpu_write(gpu, REG_A6XX_CP_PROTECT_CNTL,
+		  A6XX_CP_PROTECT_CNTL_ACCESS_PROT_EN |
+		  A6XX_CP_PROTECT_CNTL_ACCESS_FAULT_ON_VIOL_EN |
+		  A6XX_CP_PROTECT_CNTL_LAST_SPAN_INF_RANGE);
 
 	for (i = 0; i < count - 1; i++)
 		gpu_write(gpu, REG_A6XX_CP_PROTECT(i), regs[i]);

-- 
2.41.0



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