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drm/amdgpu: Fix HDP flush for VFs on nbio v7.9

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[ Upstream commit 534c8a5b9d5d41d30cdcac93cfa1bca5e17be009 ]

HDP flush remapping is not done for VFs. Keep the original offsets in VF
environment.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lijo Lazar 2023-12-08 13:48:22 +05:30 committed by Greg Kroah-Hartman
parent cb4541cabb
commit c19453cc16
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
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@ -426,6 +426,12 @@ static void nbio_v7_9_init_registers(struct amdgpu_device *adev)
u32 inst_mask;
int i;
if (amdgpu_sriov_vf(adev))
adev->rmmio_remap.reg_offset =
SOC15_REG_OFFSET(
NBIO, 0,
regBIF_BX_DEV0_EPF0_VF0_HDP_MEM_COHERENCY_FLUSH_CNTL)
<< 2;
WREG32_SOC15(NBIO, 0, regXCC_DOORBELL_FENCE,
0xff & ~(adev->gfx.xcc_mask));