Series is Reviewed-by: Evan Quan <evan.quan@xxxxxxx> > -----Original Message----- > From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Alex > Deucher > Sent: 2019年1月9日 6:12 > To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx> > Subject: [PATCH 6/6] drm/amdgpu: check if we need to reset at init time (v2) > > To deal with situations like kexec or GPU VM passthrough where the device > may have been used previously without a proper GPU reset between. > > v2: rebase > > bug: https://bugs.freedesktop.org/show_bug.cgi?id=108585 > bug: https://bugs.freedesktop.org/show_bug.cgi?id=108754 > Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > index 1a558dc41ba6..8a61764e64cf 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c > @@ -2550,6 +2550,17 @@ int amdgpu_device_init(struct amdgpu_device > *adev, > /* detect if we are with an SRIOV vbios */ > amdgpu_device_detect_sriov_bios(adev); > > + /* check if we need to reset the asic > + * E.g., driver was not cleanly unloaded previously, etc. > + */ > + if (amdgpu_asic_need_reset_on_init(adev)) { > + r = amdgpu_asic_reset(adev); > + if (r) { > + dev_err(adev->dev, "asic reset on init failed\n"); > + goto failed; > + } > + } > + > /* Post card if necessary */ > if (amdgpu_device_need_post(adev)) { > if (!adev->bios) { > -- > 2.20.1 > > _______________________________________________ > amd-gfx mailing list > amd-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
