drm/amdgpu: Enable translate further for gc v12_1 v3

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Enable translate further for gc v12_1 to resolve
the tlb reach issue

v2: ensure PTE.P is set to 1 for leaf PTE

v3: Do not clear the P bit when it has been set
on a PDB0 entry by the common VM update code

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Horatio Zhang <hongkun.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Hawking Zhang 2026-08-14 22:17:27 +08:00 • committed by Alex Deucher

parent a74c7832b1

commit e37e02f74b

4 changed files with 16 additions and 9 deletions

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5

drivers/gpu/drm/amd/amdgpu/gfxhub_v12_1.c

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3

drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c

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4

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

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13

drivers/gpu/drm/amd/amdgpu/mmhub_v4_2_0.c

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