Re: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt

2022-01-11 Thread Christian König
Am 11.01.22 um 06:21 schrieb Guchun Chen: This is observed in SRIOV case with virtual KMS as display. _raw_spin_lock_irqsave+0x37/0x40 drm_handle_vblank+0x69/0x350 [drm] ? try_to_wake_up+0x432/0x5c0 ? amdgpu_vkms_prepare_fb+0x1c0/0x1c0 [amdgpu] drm_crtc_handle_vblank+0x17/0x20 [drm] amdgpu_vk

[PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt

2022-01-10 Thread Guchun Chen
This is observed in SRIOV case with virtual KMS as display. _raw_spin_lock_irqsave+0x37/0x40 drm_handle_vblank+0x69/0x350 [drm] ? try_to_wake_up+0x432/0x5c0 ? amdgpu_vkms_prepare_fb+0x1c0/0x1c0 [amdgpu] drm_crtc_handle_vblank+0x17/0x20 [drm] amdgpu_vkms_vblank_simulate+0x4d/0x80 [amdgpu] __hrtimer

RE: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt

2022-01-10 Thread Zytaruk, Kelly
0, 2022 11:42 PM To: Chen, Guchun ; amd-gfx@lists.freedesktop.org; Deucher, Alexander ; Koenig, Christian ; Pan, Xinhui ; Huang, Qiliang (Warden) ; Zhang, Bokun Subject: RE: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt I can confirm that the fault no longer o

RE: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt

2022-01-10 Thread Chen, Guchun
esktop.org; Deucher, Alexander ; Koenig, Christian ; Pan, Xinhui ; Huang, Qiliang (Warden) ; Zhang, Bokun Subject: RE: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt I can confirm that the fault no longer occurs when the patch is implemented. Thanks, Kelly ---

Re: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt

2022-01-10 Thread Deucher, Alexander
: Chen, Guchun Subject: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt This is observed in SRIOV case with virtual KMS as display. _raw_spin_lock_irqsave+0x37/0x40 drm_handle_vblank+0x69/0x350 [drm] ? try_to_wake_up+0x432/0x5c0 ? amdgpu_vkms_prepare_fb+0x1c0/0x1c0

RE: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt

2022-01-10 Thread Zytaruk, Kelly
(Warden) ; Zhang, Bokun Cc: Chen, Guchun Subject: [PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt This is observed in SRIOV case with virtual KMS as display. _raw_spin_lock_irqsave+0x37/0x40 drm_handle_vblank+0x69/0x350 [drm] ? try_to_wake_up+0x432/0x5c0

[PATCH] drm/amdgpu: use spin_lock_irqsave to avoid deadlock by local interrupt

2022-01-09 Thread Guchun Chen
This is observed in SRIOV case with virtual KMS as display. _raw_spin_lock_irqsave+0x37/0x40 drm_handle_vblank+0x69/0x350 [drm] ? try_to_wake_up+0x432/0x5c0 ? amdgpu_vkms_prepare_fb+0x1c0/0x1c0 [amdgpu] drm_crtc_handle_vblank+0x17/0x20 [drm] amdgpu_vkms_vblank_simulate+0x4d/0x80 [amdgpu] __hrtimer