On Thu, Sep 13, 2018 at 12:39 PM Michel Dänzer <michel@xxxxxxxxxxx> wrote:
>
> On 2018-09-13 6:31 p.m., Ville Syrjala wrote:
> > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> >
> > Disable atomic on a per-device basis instead of for all devices.
> > Made possible by the new device.driver_features thing.
> >
> > Cc: Alex Deucher <alexander.deucher@xxxxxxx>
> > Cc: "Christian König" <christian.koenig@xxxxxxx>
> > Cc: "David (ChunMing) Zhou" <David1.Zhou@xxxxxxx>
> > Cc: Harry Wentland <harry.wentland@xxxxxxx>
> > Cc: Michel Dänzer <michel@xxxxxxxxxxx>
> > Suggested-by: Michel Dänzer <michel@xxxxxxxxxxx>
> > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > ---
> > drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 12 ++++--------
> > 1 file changed, 4 insertions(+), 8 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > index 6870909da926..8c1db96be070 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> > @@ -816,17 +816,13 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
> > if (ret)
> > return ret;
> >
> > - /* warn the user if they mix atomic and non-atomic capable GPUs */
> > - if ((kms_driver.driver_features & DRIVER_ATOMIC) && !supports_atomic)
> > - DRM_ERROR("Mixing atomic and non-atomic capable GPUs!\n");
> > - /* support atomic early so the atomic debugfs stuff gets created */
> > - if (supports_atomic)
> > - kms_driver.driver_features |= DRIVER_ATOMIC;
> > -
> > dev = drm_dev_alloc(&kms_driver, &pdev->dev);
> > if (IS_ERR(dev))
> > return PTR_ERR(dev);
> >
> > + if (!supports_atomic)
> > + dev->driver_features &= ~DRIVER_ATOMIC;
> > +
> > ret = pci_enable_device(pdev);
> > if (ret)
> > goto err_free;
> > @@ -1078,7 +1074,7 @@ amdgpu_get_crtc_scanout_position(struct drm_device *dev, unsigned int pipe,
> >
> > static struct drm_driver kms_driver = {
> > .driver_features =
> > - DRIVER_USE_AGP |
> > + DRIVER_USE_AGP | DRIVER_ATOMIC |
> > DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
> > DRIVER_PRIME | DRIVER_RENDER | DRIVER_MODESET | DRIVER_SYNCOBJ,
> > .load = amdgpu_driver_load_kms,
> >
>
> Thanks Ville for taking care of this!
>
> Reviewed-by: Michel Dänzer <michel.daenzer@xxxxxxx>
>
> If Alex agrees, probably best to push this to drm-misc-next as well.
>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Please go ahead and merge through drm-misc.
Thanks!
Alex
>
> --
> Earthling Michel Dänzer | http://www.amd.com
> Libre software enthusiast | Mesa and X developer
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