diff options
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index e0c90393cda5..15006ba63b6a 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -935,8 +935,11 @@ static void a6xx_set_cp_protect(struct msm_gpu *gpu) 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]); + for (i = 0; i < count - 1; i++) { + /* Intentionally skip writing to some registers */ + if (regs[i]) + gpu_write(gpu, REG_A6XX_CP_PROTECT(i), regs[i]); + } /* last CP_PROTECT to have "infinite" length on the last entry */ gpu_write(gpu, REG_A6XX_CP_PROTECT(count_max - 1), regs[i]); } |