drm/fbdev: Remove aperture handling and FBINFO_MISC_FIRMWARE

There are no users left of struct fb_info.apertures and the flag
FBINFO_MISC_FIRMWARE. Remove both and the aperture-ownership code
in the fbdev core. All code for aperture ownership is now located
in the fbdev drivers.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221219160516.23436-19-tzimmermann@suse.de

1 files changed, 0 insertions, 33 deletions

diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 3a6c8458eb8d..02217c33d152 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -13,7 +13,6 @@
 
 #include <linux/module.h>
 
-#include <linux/aperture.h>
 #include <linux/compat.h>
 #include <linux/types.h>
 #include <linux/errno.h>
@@ -1653,32 +1652,6 @@ static void do_unregister_framebuffer(struct fb_info *fb_info)
 	put_fb_info(fb_info);
 }
 
-static int fb_aperture_acquire_for_platform_device(struct fb_info *fb_info)
-{
-	struct apertures_struct *ap = fb_info->apertures;
-	struct device *dev = fb_info->device;
-	struct platform_device *pdev;
-	unsigned int i;
-	int ret;
-
-	if (!ap)
-		return 0;
-
-	if (!dev_is_platform(dev))
-		return 0;
-
-	pdev = to_platform_device(dev);
-
-	for (ret = 0, i = 0; i < ap->count; ++i) {
-		ret = devm_aperture_acquire_for_platform_device(pdev, ap->ranges[i].base,
-								ap->ranges[i].size);
-		if (ret)
-			break;
-	}
-
-	return ret;
-}
-
 /**
  *	register_framebuffer - registers a frame buffer device
  *	@fb_info: frame buffer info structure
@@ -1693,12 +1666,6 @@ register_framebuffer(struct fb_info *fb_info)
 {
 	int ret;
 
-	if (fb_info->flags & FBINFO_MISC_FIRMWARE) {
-		ret = fb_aperture_acquire_for_platform_device(fb_info);
-		if (ret)
-			return ret;
-	}
-
 	mutex_lock(&registration_lock);
 	ret = do_register_framebuffer(fb_info);
 	mutex_unlock(&registration_lock);