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drm/gma500: Remove generic DRM drivers in probe function

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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>
Link: https://patchwork.freedesktop.org/patch/msgid/20211019080942.24356-1-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2021-10-19 10:09:42 +02:00
parent 0597ca7b43
commit 035f79f9b7
1 changed files with 12 additions and 0 deletions
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12
drivers/gpu/drm/gma500/psb_drv.c
View file

@ -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;