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[AMD Public Use]
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Evan Quan <evan.quan@xxxxxxx>
Sent: Wednesday, March 11, 2020 4:18 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Quan, Evan <Evan.Quan@xxxxxxx> Subject: [PATCH] drm/amdgpu: add fbdev suspend/resume on gpu reset This can fix the baco reset failure seen on Navi10.
And this should be a low risk fix as the same sequence is already used for system suspend/resume. Change-Id: Idb4d02c5fcbbd5b7817195ee04c7af34c346a053 Signed-off-by: Evan Quan <evan.quan@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 572eb6ea8eab..a35c89973614 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3935,6 +3935,8 @@ static int amdgpu_do_asic_reset(struct amdgpu_hive_info *hive, if (r) goto out; + amdgpu_fbdev_set_suspend(tmp_adev, 0); + /* must succeed. */ amdgpu_ras_resume(tmp_adev); @@ -4108,6 +4110,8 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, */ amdgpu_unregister_gpu_instance(tmp_adev); + amdgpu_fbdev_set_suspend(adev, 1); + /* disable ras on ALL IPs */ if (!(in_ras_intr && !use_baco) && amdgpu_device_ip_need_full_reset(tmp_adev)) -- 2.25.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://nam11.safelinks.protection.outlook.com/?url=""> |
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