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Code Issues Releases Wiki Activity

drm/msm/a6xx: Remove CP perfcounter selects from the protected list 

The CP performance counter selects were accidentally marked as protected
so they couldn't be written from PM4 streams. Remove the protection
because user space does have an interest in setting up their own
counters.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Jordan Crouse 2018-10-05 14:06:05 -06:00 committed by Rob Clark
parent 82e223a5d8
commit 3ce36b4542
1 changed files with 1 additions and 3 deletions
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4
drivers/gpu/drm/msm/adreno/a6xx_gpu.c
View File

@ -440,10 +440,8 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
gpu_write(gpu, REG_A6XX_CP_PROTECT(22), A6XX_PROTECT_RW(0x900, 0x4d));
gpu_write(gpu, REG_A6XX_CP_PROTECT(23), A6XX_PROTECT_RW(0x98d, 0x76));
gpu_write(gpu, REG_A6XX_CP_PROTECT(24),
A6XX_PROTECT_RDONLY(0x8d0, 0x23));
gpu_write(gpu, REG_A6XX_CP_PROTECT(25),
A6XX_PROTECT_RDONLY(0x980, 0x4));
gpu_write(gpu, REG_A6XX_CP_PROTECT(26), A6XX_PROTECT_RW(0xa630, 0x0));
gpu_write(gpu, REG_A6XX_CP_PROTECT(25), A6XX_PROTECT_RW(0xa630, 0x0));
/* Enable interrupts */
gpu_write(gpu, REG_A6XX_RBBM_INT_0_MASK, A6XX_INT_MASK);