drm/aperture: Inline fbdev conflict helpers into aperture helpers

Fbdev's helpers for handling conflicting framebuffer drivers are
related to framebuffer apertures, not console emulation. Therefore
remove them from drm_fb_helper.h and inline them into the aperture
helpers. No functional changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210412131043.5787-4-tzimmermann@suse.de

diff --git a/drivers/gpu/drm/drm_aperture.c b/drivers/gpu/drm/drm_aperture.c
index 929dcbc..e034dd7 100644 (file)
--- a/drivers/gpu/drm/drm_aperture.c
+++ b/drivers/gpu/drm/drm_aperture.c
@@ -1,7 +1,9 @@
 // SPDX-License-Identifier: MIT
 
+#include <linux/fb.h>
+#include <linux/vgaarb.h>
+
 #include <drm/drm_aperture.h>
-#include <drm/drm_fb_helper.h>
 
 /**
  * DOC: overview
@@ -78,6 +80,7 @@
 int drm_aperture_remove_conflicting_framebuffers(resource_size_t base, resource_size_t size,
                                                 bool primary, const char *name)
 {
+#if IS_REACHABLE(CONFIG_FB)
        struct apertures_struct *a;
        int ret;
 
@@ -88,10 +91,13 @@ int drm_aperture_remove_conflicting_framebuffers(resource_size_t base, resource_
        a->ranges[0].base = base;
        a->ranges[0].size = size;
 
-       ret = drm_fb_helper_remove_conflicting_framebuffers(a, name, primary);
+       ret = remove_conflicting_framebuffers(a, name, primary);
        kfree(a);
 
        return ret;
+#else
+       return 0;
+#endif
 }
 EXPORT_SYMBOL(drm_aperture_remove_conflicting_framebuffers);
 
@@ -109,6 +115,17 @@ EXPORT_SYMBOL(drm_aperture_remove_conflicting_framebuffers);
  */
 int drm_aperture_remove_conflicting_pci_framebuffers(struct pci_dev *pdev, const char *name)
 {
-       return drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, name);
+       int ret = 0;
+
+       /*
+        * WARNING: Apparently we must kick fbdev drivers before vgacon,
+        * otherwise the vga fbdev driver falls over.
+        */
+#if IS_REACHABLE(CONFIG_FB)
+       ret = remove_conflicting_pci_framebuffers(pdev, name);
+#endif
+       if (ret == 0)
+               ret = vga_remove_vgacon(pdev);
+       return ret;
 }
 EXPORT_SYMBOL(drm_aperture_remove_conflicting_pci_framebuffers);

diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 3b273f9..3af4624 100644 (file)
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -36,7 +36,6 @@ struct drm_fb_helper;
 #include <drm/drm_crtc.h>
 #include <drm/drm_device.h>
 #include <linux/kgdb.h>
-#include <linux/vgaarb.h>
 
 enum mode_set_atomic {
        LEAVE_ATOMIC_MODE_SET,
@@ -451,54 +450,4 @@ 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)
-{
-#if IS_REACHABLE(CONFIG_FB)
-       return remove_conflicting_framebuffers(a, name, primary);
-#else
-       return 0;
-#endif
-}
-
-/**
- * drm_fb_helper_remove_conflicting_pci_framebuffers - remove firmware-configured framebuffers for PCI devices
- * @pdev: PCI device
- * @name: requesting driver name
- *
- * This function removes framebuffer devices (eg. initialized by firmware)
- * using memory range configured for any of @pdev's memory bars.
- *
- * 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,
-                                                 const char *name)
-{
-       int ret = 0;
-
-       /*
-        * WARNING: Apparently we must kick fbdev drivers before vgacon,
-        * otherwise the vga fbdev driver falls over.
-        */
-#if IS_REACHABLE(CONFIG_FB)
-       ret = remove_conflicting_pci_framebuffers(pdev, name);
-#endif
-       if (ret == 0)
-               ret = vga_remove_vgacon(pdev);
-       return ret;
-}
-
 #endif