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[AMD Official Use Only - General] Reviewed-by: Timmy Tsai <timmtsai@xxxxxxx>
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Alex Deucher <alexander.deucher@xxxxxxx>
Sent: Thursday, September 7, 2023 3:47 PM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx> Subject: [PATCH] drm/amdgpu/nbio4.3: set proper rmmio_remap.reg_offset for SR-IOV Needed for HDP flush to work correctly.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c index d5ed9e0e1a5f..e5b5b0f4940f 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v4_3.c @@ -345,6 +345,9 @@ static void nbio_v4_3_init_registers(struct amdgpu_device *adev) data &= ~RCC_DEV0_EPF2_STRAP2__STRAP_NO_SOFT_RESET_DEV0_F2_MASK; WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF2_STRAP2, data); } + 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; } static u32 nbio_v4_3_get_rom_offset(struct amdgpu_device *adev) -- 2.41.0 |
