* [PATCH] drm/msm/a6xx: Remove CP perfcounter selects from the protected list
@ 2018-10-05 20:06 Jordan Crouse
0 siblings, 0 replies; only message in thread
From: Jordan Crouse @ 2018-10-05 20:06 UTC (permalink / raw)
To: freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
Cc: linux-arm-msm-u79uwXL29TY76Z2rM5mHXA,
dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
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>
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index de01e6553999..cd67f45dee6e 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -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);
--
2.18.0
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2018-10-05 20:06 [PATCH] drm/msm/a6xx: Remove CP perfcounter selects from the protected list Jordan Crouse
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