drm/mgag200: Force 32 bpp on the console
G200ER does not seem to support 24 bpp, so force the console to use 32 bpp. The problem got introduced when commit73f54d5d96
("drm/mgag200: Remove special case for G200SE with <2 MiB") changed the preferred color depth from 32 bit to 24 bit. A setting of 24 is the correct color depth, but G200ER doesn't seem to be able to use the respective RGB888 color format. Using 24-bit color with forced 32 bpp works around the problem. Reported-by: Wang Yugui <wangyugui@e16-tech.com> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Tested-by: Wang Yugui <wangyugui@e16-tech.com> Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com> Fixes:73f54d5d96
("drm/mgag200: Remove special case for G200SE with <2 MiB") Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Jocelyn Falempe <jfalempe@redhat.com> Cc: Dave Airlie <airlied@redhat.com> Cc: dri-devel@lists.freedesktop.org Link: https://patchwork.freedesktop.org/patch/msgid/20220915150348.31504-1-tzimmermann@suse.de
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@ -262,7 +262,11 @@ mgag200_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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if (ret)
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if (ret)
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return ret;
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return ret;
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drm_fbdev_generic_setup(dev, 0);
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/*
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* FIXME: A 24-bit color depth does not work with 24 bpp on
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* G200ER. Force 32 bpp.
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*/
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drm_fbdev_generic_setup(dev, 32);
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return 0;
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return 0;
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}
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}
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