Commit 2a7798ea authored by Alex Deucher's avatar Alex Deucher
Browse files

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



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: default avatarMario Limonciello <mario.limonciello@amd.com>
Acked-by: default avatarRajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 47198eb7

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

+6 −0
Original line number Diff line number Diff line
@@ -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 */