Explicitly set the smallk size to 0 (4k). This is the hw default, but set it anyway just in case something else changed it. Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c | 4 ++++ drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c index cc866c367939..6939edfc5232 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c @@ -181,6 +181,10 @@ static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev) tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL4, tmp); + + tmp = mmGCVM_L2_CNTL5_DEFAULT; + tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0); + WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL5, tmp); } static void gfxhub_v2_0_enable_system_domain(struct amdgpu_device *adev) diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c index fb3f228458e5..616309e85d6e 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c @@ -164,6 +164,10 @@ static void mmhub_v2_0_init_cache_regs(struct amdgpu_device *adev) tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); WREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL4, tmp); + + tmp = mmMMVM_L2_CNTL5_DEFAULT; + tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0); + WREG32_SOC15(GC, 0, mmMMVM_L2_CNTL5, tmp); } static void mmhub_v2_0_enable_system_domain(struct amdgpu_device *adev) -- 2.25.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx