[AMD Official Use Only - General]

Reviewed-by: Timmy Tsai <[email protected]>

________________________________
From: amd-gfx <[email protected]> on behalf of Alex Deucher 
<[email protected]>
Sent: Thursday, September 7, 2023 3:47 PM
To: [email protected] <[email protected]>
Cc: Deucher, Alexander <[email protected]>
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 <[email protected]>
---
 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

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