Commit b8c27208 authored by Mukul Joshi's avatar Mukul Joshi Committed by Alex Deucher
Browse files

drm/amdgpu: Always set snoop bit in PDE on GFX 12.1 



GFX 12.1 has the requirement to always set snoop bit in PDE
to maintain coherency.

Signed-off-by: default avatarMukul Joshi <mukul.joshi@amd.com>
Reviewed-by: default avatarAlex Sierra <alex.sierra@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent db29ddf6

drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c

+2 −0
Original line number Diff line number Diff line
@@ -249,6 +249,8 @@ static void gmc_v12_1_get_vm_pde(struct amdgpu_device *adev, int level, 
			adev->gmc.vram_start;

	BUG_ON(*addr & 0xFFFF00000000003FULL);



	*flags |= AMDGPU_PTE_SNOOPED;



	if (!adev->gmc.translate_further)

		return;