Patch "drm/amdgpu: Fix HDP flush for VFs on nbio v7.9" has been added to the 6.7-stable tree

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This is a note to let you know that I've just added the patch titled

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

to the 6.7-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-amdgpu-fix-hdp-flush-for-vfs-on-nbio-v7.9.patch
and it can be found in the queue-6.7 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 643ed35287991ecc78193a84db165961454cd88c
Author: Lijo Lazar <lijo.lazar@xxxxxxx>
Date:   Fri Dec 8 13:48:22 2023 +0530

    drm/amdgpu: Fix HDP flush for VFs on nbio v7.9
    
    [ 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@xxxxxxx>
    Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
    Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
index 25a3da83e0fb9..db013f86147a1 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
@@ -431,6 +431,12 @@ 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));
 




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