From: Jack Xiao <Jack.Xiao@xxxxxxx> The dummy page for returning from PRT resides inside system memory, need set system flag bit in VM_L2_CNTL. Signed-off-by: Jack Xiao <Jack.Xiao@xxxxxxx> Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c | 3 ++- drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c index 231c77aed01b..b7de60a15623 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c @@ -135,7 +135,8 @@ static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev) tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); - + tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, + ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); /* XXX for emulation, Refer to closed source code.*/ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, 0); diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c index f65b9c827970..37a1a318ae63 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c @@ -121,6 +121,8 @@ static void mmhub_v2_0_init_cache_regs(struct amdgpu_device *adev) tmp = RREG32_SOC15(MMHUB, 0, mmMMVM_L2_CNTL); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); + tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, + ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); /* XXX for emulation, Refer to closed source code.*/ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, 0); -- 2.20.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
