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authorJack Xiao2019-05-20 06:16:19 +0200
committerAlex Deucher2019-06-22 01:59:32 +0200
commit3ebab625e6626a0794808a25ea2de5de1ea65646 (patch)
treeb6766445d6f78a3031988f248d997fb19185e27a /drivers/gpu/drm/amd/amdgpu
parentdrm/amdgpu/gfx10: update gfx golden settings (diff)
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drm/amd: the data retured from PRT is expected to be 0
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@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v2_0.c2
2 files changed, 4 insertions, 1 deletions
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);