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Commit c9527f0d authored by Michał Mirosław's avatar Michał Mirosław Committed by Daniel Vetter
Browse files

drm/fb-helper: document remove*_conflicting_framebuffers() 



Copy remove*_conflicting_framebuffers() kerneldocs from fbdev code
to make DRM developers' life easier.

Signed-off-by: default avatarMichał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/f70c1cc4a4f77dd9bad58fc7ca344609c0a91fa7.1536342228.git.mirq-linux@rere.qmqm.pl
parent d3147adc

include/drm/drm_fb_helper.h

+22 −0
Original line number Diff line number Diff line
@@ -604,6 +604,16 @@ drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp) 


#endif



/**

 * drm_fb_helper_remove_conflicting_framebuffers - remove firmware-configured framebuffers

 * @a: memory range, users of which are to be removed

 * @name: requesting driver name

 * @primary: also kick vga16fb if present

 *

 * This function removes framebuffer devices (initialized by firmware/bootloader)

 * which use memory range described by @a. If @a is NULL all such devices are

 * removed.

 */

static inline int

drm_fb_helper_remove_conflicting_framebuffers(struct apertures_struct *a,

					      const char *name, bool primary)
@@ -615,6 +625,18 @@ drm_fb_helper_remove_conflicting_framebuffers(struct apertures_struct *a, 
#endif

}



/**

 * drm_fb_helper_remove_conflicting_pci_framebuffers - remove firmware-configured framebuffers for PCI devices

 * @pdev: PCI device

 * @resource_id: index of PCI BAR configuring framebuffer memory

 * @name: requesting driver name

 *

 * This function removes framebuffer devices (eg. initialized by firmware)

 * using memory range configured for @pdev's BAR @resource_id.

 *

 * The function assumes that PCI device with shadowed ROM drives a primary

 * display and so kicks out vga16fb.

 */

static inline int

drm_fb_helper_remove_conflicting_pci_framebuffers(struct pci_dev *pdev,

						  int resource_id,