diff options
Diffstat (limited to 'drivers/gpu/drm/drm_aperture.c')
-rw-r--r-- | drivers/gpu/drm/drm_aperture.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpu/drm/drm_aperture.c b/drivers/gpu/drm/drm_aperture.c index 9335d9d6cf9a..74bd4a76b253 100644 --- a/drivers/gpu/drm/drm_aperture.c +++ b/drivers/gpu/drm/drm_aperture.c @@ -33,6 +33,10 @@ * * .. code-block:: c * + * static const struct drm_driver example_driver = { + * ... + * }; + * * static int remove_conflicting_framebuffers(struct pci_dev *pdev) * { * bool primary = false; @@ -46,7 +50,7 @@ * #endif * * return drm_aperture_remove_conflicting_framebuffers(base, size, primary, - * "example driver"); + * &example_driver); * } * * static int probe(struct pci_dev *pdev) @@ -74,7 +78,7 @@ * * Drivers that are susceptible to being removed by other drivers, such as * generic EFI or VESA drivers, have to register themselves as owners of their - * given framebuffer memory. Ownership of the framebuffer memory is achived + * given framebuffer memory. Ownership of the framebuffer memory is achieved * by calling devm_aperture_acquire_from_firmware(). On success, the driver * is the owner of the framebuffer range. The function fails if the * framebuffer is already by another driver. See below for an example. @@ -274,7 +278,7 @@ static void drm_aperture_detach_drivers(resource_size_t base, resource_size_t si * @base: the aperture's base address in physical memory * @size: aperture size in bytes * @primary: also kick vga16fb if present - * @name: requesting driver name + * @req_driver: requesting DRM driver * * This function removes graphics device drivers which use memory range described by * @base and @size. @@ -283,7 +287,7 @@ static void drm_aperture_detach_drivers(resource_size_t base, resource_size_t si * 0 on success, or a negative errno code otherwise */ int drm_aperture_remove_conflicting_framebuffers(resource_size_t base, resource_size_t size, - bool primary, const char *name) + bool primary, const struct drm_driver *req_driver) { #if IS_REACHABLE(CONFIG_FB) struct apertures_struct *a; @@ -296,7 +300,7 @@ int drm_aperture_remove_conflicting_framebuffers(resource_size_t base, resource_ a->ranges[0].base = base; a->ranges[0].size = size; - ret = remove_conflicting_framebuffers(a, name, primary); + ret = remove_conflicting_framebuffers(a, req_driver->name, primary); kfree(a); if (ret) @@ -312,7 +316,7 @@ EXPORT_SYMBOL(drm_aperture_remove_conflicting_framebuffers); /** * drm_aperture_remove_conflicting_pci_framebuffers - remove existing framebuffers for PCI devices * @pdev: PCI device - * @name: requesting driver name + * @req_driver: requesting DRM driver * * This function removes graphics device drivers using memory range configured * for any of @pdev's memory bars. The function assumes that PCI device with @@ -321,7 +325,8 @@ EXPORT_SYMBOL(drm_aperture_remove_conflicting_framebuffers); * Returns: * 0 on success, or a negative errno code otherwise */ -int drm_aperture_remove_conflicting_pci_framebuffers(struct pci_dev *pdev, const char *name) +int drm_aperture_remove_conflicting_pci_framebuffers(struct pci_dev *pdev, + const struct drm_driver *req_driver) { resource_size_t base, size; int bar, ret = 0; @@ -339,7 +344,7 @@ int drm_aperture_remove_conflicting_pci_framebuffers(struct pci_dev *pdev, const * otherwise the vga fbdev driver falls over. */ #if IS_REACHABLE(CONFIG_FB) - ret = remove_conflicting_pci_framebuffers(pdev, name); + ret = remove_conflicting_pci_framebuffers(pdev, req_driver->name); #endif if (ret == 0) ret = vga_remove_vgacon(pdev); |