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@suse.de

Acked-by: Daniel Vetter daniel.vetter@ffwll.ch

---

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