diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2021-11-04 16:15:43 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-11-22 14:45:54 -0500 |
| commit | e39938117e781d0bd21ae45b6c15134f4a6958c5 (patch) | |
| tree | 9c860065f813e233b87b21b40d4254d4026334cf /drivers/gpu/drm/amd/amdgpu/soc15.c | |
| parent | fdcb279d5b798d13b4365bdcf5548855f6c562a1 (diff) | |
drm/amdgpu: Fix MMIO HDP flush on SRIOV
Disable HDP register remapping on SRIOV and set rmmio_remap.reg_offset
to the fixed address of the VF register for hdp_v*_flush_hdp.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Bokun Zhang <bokun.zhang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/soc15.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 0c316a2d42ed2..de9b55383e9f8 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -971,8 +971,10 @@ static int soc15_common_early_init(void *handle) #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE) struct amdgpu_device *adev = (struct amdgpu_device *)handle; - adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET; - adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET; + if (!amdgpu_sriov_vf(adev)) { + adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET; + adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET; + } adev->smc_rreg = NULL; adev->smc_wreg = NULL; adev->pcie_rreg = &soc15_pcie_rreg; @@ -1285,7 +1287,7 @@ static int soc15_common_hw_init(void *handle) * for the purpose of expose those registers * to process space */ - if (adev->nbio.funcs->remap_hdp_registers) + if (adev->nbio.funcs->remap_hdp_registers && !amdgpu_sriov_vf(adev)) adev->nbio.funcs->remap_hdp_registers(adev); /* enable the doorbell aperture */ |