diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2024-01-03 11:55:53 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-01-05 16:10:44 -0500 |
| commit | 16783d8ef08448815e149e40c82fc1e1fc41ddbf (patch) | |
| tree | d564191610898c30ce0aecf0a52510b8e7167b65 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | d65e0e91664184299d5e6aaa2f4323e43df9b2c7 (diff) | |
drm/amdgpu: apply the RV2 system aperture fix to RN/CZN as well
These chips needs the same fix. This was previously not seen
on then since the AGP aperture expanded the system aperture,
but this showed up again when AGP was disabled.
Reviewed-and-tested-by: Jiadong Zhu <Jiadong.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index d9729cf5ceea..10b2a896c498 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1294,7 +1294,9 @@ static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_ /* AGP aperture is disabled */ if (agp_bot > agp_top) { logical_addr_low = adev->gmc.fb_start >> 18; - if (adev->apu_flags & AMD_APU_IS_RAVEN2) + if (adev->apu_flags & (AMD_APU_IS_RAVEN2 | + AMD_APU_IS_RENOIR | + AMD_APU_IS_GREEN_SARDINE)) /* * Raven2 has a HW issue that it is unable to use the vram which * is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. So here is the @@ -1306,7 +1308,9 @@ static void mmhub_read_system_context(struct amdgpu_device *adev, struct dc_phy_ logical_addr_high = adev->gmc.fb_end >> 18; } else { logical_addr_low = min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18; - if (adev->apu_flags & AMD_APU_IS_RAVEN2) + if (adev->apu_flags & (AMD_APU_IS_RAVEN2 | + AMD_APU_IS_RENOIR | + AMD_APU_IS_GREEN_SARDINE)) /* * Raven2 has a HW issue that it is unable to use the vram which * is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. So here is the |