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Code Issues Releases Wiki Activity

drm/amdgpu: apply the RV2 system aperture fix to RN/CZN as well

Browse source 
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>
This commit is contained in:
Alex Deucher 2024-01-03 11:55:53 -05:00
parent d65e0e9166
commit 16783d8ef0
4 changed files with 15 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
View file

@ -102,7 +102,9 @@ static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
WREG32_SOC15_RLC(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
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.

4
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_2.c
View file

@ -139,7 +139,9 @@ gfxhub_v1_2_xcc_init_system_aperture_regs(struct amdgpu_device *adev,
WREG32_SOC15_RLC(GC, GET_INST(GC, i), regMC_VM_SYSTEM_APERTURE_LOW_ADDR,
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.

4
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
View file

@ -96,7 +96,9 @@ static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
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

8
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View file

@ -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