On Tue, Oct 19, 2021 at 10:09:42AM +0200, Thomas Zimmermann wrote: > Gma500 currently removes generic fbdev drivers, but ignores > generic DRM drivers. Use aperture helpers to remove all generic > graphics drivers before loading gma500. Makes gma500 compatible > with simpledrm. > > Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx> Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > --- > drivers/gpu/drm/gma500/psb_drv.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c > index 7a10bb39ef0b..7ea82d7ddfcc 100644 > --- a/drivers/gpu/drm/gma500/psb_drv.c > +++ b/drivers/gpu/drm/gma500/psb_drv.c > @@ -19,6 +19,7 @@ > #include <acpi/video.h> > > #include <drm/drm.h> > +#include <drm/drm_aperture.h> > #include <drm/drm_drv.h> > #include <drm/drm_fb_helper.h> > #include <drm/drm_file.h> > @@ -448,6 +449,17 @@ static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) > struct drm_device *dev; > int ret; > > + /* > + * We cannot yet easily find the framebuffer's location in memory. So > + * remove all framebuffers here. > + * > + * TODO: Refactor psb_driver_load() to map vdc_reg earlier. Then we > + * might be able to read the framebuffer range from the device. > + */ > + ret = drm_aperture_remove_framebuffers(true, &driver); > + if (ret) > + return ret; > + > ret = pcim_enable_device(pdev); > if (ret) > return ret; > > base-commit: 762b53b56af425f89f892e99583dfd84c73d731c > -- > 2.33.0 > -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch
