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authorThomas Zimmermann <tzimmermann@suse.de>2021-06-29 16:58:33 +0300
committerThomas Zimmermann <tzimmermann@suse.de>2021-07-01 12:11:55 +0300
commit97c9bfe3f6605d41eb8f1206e6e0f62b31ba15d6 (patch)
treed365434163028f52b06de822eef32ab672662ec1 /drivers/gpu/drm/drm_aperture.c
parent0ec187f69bcb2f2695b50050cc63ff512f00051d (diff)
downloadlinux-97c9bfe3f6605d41eb8f1206e6e0f62b31ba15d6.tar.xz
drm/aperture: Pass DRM driver structure instead of driver name
Print the name of the DRM driver when taking over fbdev devices. Makes the output to dmesg more consistent. Note that the driver name is only used for printing a string to the kernel log. No UAPI is affected by this change. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Nirmoy Das <nirmoy.das@amd.com> Acked-by: Chen-Yu Tsai <wens@csie.org> # sun4i Acked-by: Neil Armstrong <narmstrong@baylibre.com> # meson Link: https://patchwork.freedesktop.org/patch/msgid/20210629135833.22679-1-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/drm_aperture.c')
-rw-r--r--drivers/gpu/drm/drm_aperture.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_aperture.c b/drivers/gpu/drm/drm_aperture.c
index 9335d9d6cf9a..9ac39cf11694 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)
@@ -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);