[PATCH 05/11] fbdev: Convert drivers to aperture helpers
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: 2022-07-07 15:40:22
Also in:
dri-devel, linux-staging
Subsystem:
framebuffer layer, radeon framebuffer display driver, staging - silicon motion sm750 frame buffer driver, staging subsystem, the rest · Maintainers:
Helge Deller, Benjamin Herrenschmidt, Sudip Mukherjee, Teddy Wang, Greg Kroah-Hartman, Linus Torvalds
Convert fbdev drivers from fbdev's remove_conflicting_framebuffers() to the framework-independent aperture_remove_conflicting_devices(). Calling this function will also remove conflicting DRM drivers. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> --- drivers/staging/sm750fb/sm750.c | 15 +++++---------- drivers/video/fbdev/aty/radeon_base.c | 17 ++++------------- drivers/video/fbdev/hyperv_fb.c | 6 ++++-- 3 files changed, 13 insertions(+), 25 deletions(-)
diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c
index dbd1159a2ef0..ce04c38f6afd 100644
--- a/drivers/staging/sm750fb/sm750.c
+++ b/drivers/staging/sm750fb/sm750.c@@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include <linux/aperture.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/errno.h>
@@ -987,22 +988,16 @@ static int sm750fb_framebuffer_alloc(struct sm750_dev *sm750_dev, int fbidx) static int lynxfb_kick_out_firmware_fb(struct pci_dev *pdev) { - struct apertures_struct *ap; + resource_size_t base = pci_resource_start(pdev, 0); + resource_size_t size = pci_resource_len(pdev, 0); bool primary = false; - ap = alloc_apertures(1); - if (!ap) - return -ENOMEM; - - ap->ranges[0].base = pci_resource_start(pdev, 0); - ap->ranges[0].size = pci_resource_len(pdev, 0); #ifdef CONFIG_X86 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; #endif - remove_conflicting_framebuffers(ap, "sm750_fb1", primary); - kfree(ap); - return 0; + + return aperture_remove_conflicting_devices(base, size, primary, "sm750_fb1"); } static int lynxfb_pci_probe(struct pci_dev *pdev,
diff --git a/drivers/video/fbdev/aty/radeon_base.c b/drivers/video/fbdev/aty/radeon_base.c
index b311c07fe66d..e5e362b8c9da 100644
--- a/drivers/video/fbdev/aty/radeon_base.c
+++ b/drivers/video/fbdev/aty/radeon_base.c@@ -54,6 +54,7 @@ #include "radeonfb.h" +#include <linux/aperture.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h>
@@ -2239,20 +2240,10 @@ static const struct bin_attribute edid2_attr = { static int radeon_kick_out_firmware_fb(struct pci_dev *pdev) { - struct apertures_struct *ap; + resource_size_t base = pci_resource_start(pdev, 0); + resource_size_t size = pci_resource_len(pdev, 0); - ap = alloc_apertures(1); - if (!ap) - return -ENOMEM; - - ap->ranges[0].base = pci_resource_start(pdev, 0); - ap->ranges[0].size = pci_resource_len(pdev, 0); - - remove_conflicting_framebuffers(ap, KBUILD_MODNAME, false); - - kfree(ap); - - return 0; + return aperture_remove_conflicting_devices(base, size, KBUILD_MODNAME, false); } static int radeonfb_pci_register(struct pci_dev *pdev,
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
index 886c564787f1..a944a6620527 100644
--- a/drivers/video/fbdev/hyperv_fb.c
+++ b/drivers/video/fbdev/hyperv_fb.c@@ -45,6 +45,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <linux/aperture.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/vmalloc.h>
@@ -1074,8 +1075,9 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info) info->screen_size = dio_fb_size; getmem_done: - remove_conflicting_framebuffers(info->apertures, - KBUILD_MODNAME, false); + aperture_remove_conflicting_devices(info->apertures->ranges[0].base, + info->apertures->ranges[0].size, + KBUILD_MODNAME, false); if (gen2vm) { /* framebuffer is reallocated, clear screen_info to avoid misuse from kexec */
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2.36.1