drm/amd: Disable XNACK on SRIOV environment

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The purpose of this patch is to disable XNACK or set XNACK OFF mode
on SRIOV platform which doesn't support it.

This will prevent user-space application to fail or result into
unexpected behaviour whenever the application need to run test-case
in XNACK ON mode.

Signed-off-by: Surbhi Kakarya <surbhi.kakarya@amd.com>
Reviewed-by: Shaoyun Liu <shaoyun.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Surbhi Kakarya 2023-09-25 12:12:10 -04:00 • committed by Alex Deucher

parent 9ccde17d46

commit 9256e8d47a

4 changed files with 21 additions and 2 deletions

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5

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

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10

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

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1

drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h

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7

drivers/gpu/drm/amd/amdkfd/kfd_process.c

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