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| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2021-11-04 23:15:43 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-11-24 23:02:25 +0300 |
| commit | d3a21f7e353dc8d6939383578f3bd45b4ae3a946 (patch) | |
| tree | d1b51dbb2f03cc87075c74ea7360107d192dfda2 /drivers/gpu/drm/amd/amdgpu/nv.c | |
| parent | 136057256686de39cc3a07c2e39ef6bc43003ff6 (diff) | |
| download | linux-d3a21f7e353dc8d6939383578f3bd45b4ae3a946.tar.xz | |
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/nv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nv.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index 59eafa31c626..a6659d9ecdd2 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -731,8 +731,10 @@ static int nv_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 = &nv_pcie_rreg; @@ -1032,7 +1034,7 @@ static int nv_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 */ nv_enable_doorbell_aperture(adev, true); |