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drm/amdgpu: for S0ix, skip SDMA 5.x+ suspend/resume

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SDMA 5.x is part of the GFX block so it's controlled via
GFXOFF.  Skip suspend as it should be handled the same
as GFX.

v2: drop SDMA 4.x.  That requires special handling.

Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2022-12-02 10:13:40 -05:00
parent 47198eb721
commit 2a7798ea73
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -3028,6 +3028,12 @@ static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev)
adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX))
continue;
/* SDMA 5.x+ is part of GFX power domain so it's covered by GFXOFF */
if (adev->in_s0ix &&
(adev->ip_versions[SDMA0_HWIP][0] >= IP_VERSION(5, 0, 0)) &&
(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SDMA))
continue;
/* XXX handle errors */
r = adev->ip_blocks[i].version->funcs->suspend(adev);
/* XXX handle errors */