diff options
author | Konrad Dybcio <konrad.dybcio@somainline.org> | 2021-01-13 19:33:39 +0100 |
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committer | Rob Clark <robdclark@chromium.org> | 2021-01-31 11:34:35 -0800 |
commit | 3f2bc3856bf175c751736c7323188a401ad10a0d (patch) | |
tree | beaa1881589280c0df42e2450ad25cc2fd19e3f9 | |
parent | cce212d84415635ba9a848afd94e9f61444c9187 (diff) | |
download | linux-3f2bc3856bf175c751736c7323188a401ad10a0d.tar.bz2 |
drm/msm/a5xx: Disable UCHE global filter
Port over the command from downstream to prevent undefined
behaviour.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
-rw-r--r-- | drivers/gpu/drm/msm/adreno/a5xx.xml.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a5xx.xml.h b/drivers/gpu/drm/msm/adreno/a5xx.xml.h index 346cc6ff3a36..7b9fcfe95c04 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx.xml.h +++ b/drivers/gpu/drm/msm/adreno/a5xx.xml.h @@ -2367,6 +2367,8 @@ static inline uint32_t A5XX_VSC_RESOLVE_CNTL_Y(uint32_t val) #define REG_A5XX_UCHE_ADDR_MODE_CNTL 0x00000e80 +#define REG_A5XX_UCHE_MODE_CNTL 0x00000e81 + #define REG_A5XX_UCHE_SVM_CNTL 0x00000e82 #define REG_A5XX_UCHE_WRITE_THRU_BASE_LO 0x00000e87 diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index 23fc851756de..7e553d3efeb2 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -754,6 +754,9 @@ static int a5xx_hw_init(struct msm_gpu *gpu) adreno_is_a512(adreno_gpu)) gpu_rmw(gpu, REG_A5XX_RB_DBG_ECO_CNTL, 0, (1 << 9)); + /* Disable UCHE global filter as SP can invalidate/flush independently */ + gpu_write(gpu, REG_A5XX_UCHE_MODE_CNTL, BIT(29)); + /* Enable USE_RETENTION_FLOPS */ gpu_write(gpu, REG_A5XX_CP_CHICKEN_DBG, 0x02000000); |