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-rw-r--r--drivers/video/fbdev/chipsfb.c3
-rw-r--r--drivers/video/fbdev/controlfb.c5
-rw-r--r--drivers/video/fbdev/core/fbcon.c4
-rw-r--r--drivers/video/fbdev/core/fbmem.c67
-rw-r--r--drivers/video/fbdev/fsl-diu-fb.c2
-rw-r--r--drivers/video/fbdev/platinumfb.c5
-rw-r--r--drivers/video/fbdev/sh7760fb.c7
-rw-r--r--drivers/video/fbdev/valkyriefb.c12
8 files changed, 78 insertions, 27 deletions
diff --git a/drivers/video/fbdev/chipsfb.c b/drivers/video/fbdev/chipsfb.c
index f103665cad43..40182ed85648 100644
--- a/drivers/video/fbdev/chipsfb.c
+++ b/drivers/video/fbdev/chipsfb.c
@@ -27,7 +27,6 @@
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/console.h>
-#include <asm/io.h>
#ifdef CONFIG_PMAC_BACKLIGHT
#include <asm/backlight.h>
@@ -401,7 +400,7 @@ static int chipsfb_pci_init(struct pci_dev *dp, const struct pci_device_id *ent)
#endif /* CONFIG_PMAC_BACKLIGHT */
#ifdef CONFIG_PPC
- p->screen_base = __ioremap(addr, 0x200000, _PAGE_NO_CACHE);
+ p->screen_base = ioremap_wc(addr, 0x200000);
#else
p->screen_base = ioremap(addr, 0x200000);
#endif
diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c
index 8d14b29aafea..9cb0ef7ac29e 100644
--- a/drivers/video/fbdev/controlfb.c
+++ b/drivers/video/fbdev/controlfb.c
@@ -48,9 +48,7 @@
#include <linux/nvram.h>
#include <linux/adb.h>
#include <linux/cuda.h>
-#include <asm/io.h>
#include <asm/prom.h>
-#include <asm/pgtable.h>
#include <asm/btext.h>
#include "macmodes.h"
@@ -715,8 +713,7 @@ static int __init control_of_init(struct device_node *dp)
goto error_out;
}
/* map at most 8MB for the frame buffer */
- p->frame_buffer = __ioremap(p->frame_buffer_phys, 0x800000,
- _PAGE_WRITETHRU);
+ p->frame_buffer = ioremap_wt(p->frame_buffer_phys, 0x800000);
if (!p->control_regs_phys ||
!request_mem_region(p->control_regs_phys, p->control_regs_size,
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 75ebbbf0a1fb..8958ccc8b1ac 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -284,8 +284,7 @@ static inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info)
struct fbcon_ops *ops = info->fbcon_par;
return (info->state != FBINFO_STATE_RUNNING ||
- vc->vc_mode != KD_TEXT || ops->graphics) &&
- !vt_force_oops_output(vc);
+ vc->vc_mode != KD_TEXT || ops->graphics);
}
static int get_color(struct vc_data *vc, struct fb_info *info,
@@ -1104,7 +1103,6 @@ static void fbcon_init(struct vc_data *vc, int init)
if (p->userfont)
charcnt = FNTCHARCNT(p->fontdata);
- vc->vc_panic_force_write = !!(info->flags & FBINFO_CAN_FORCE_OUTPUT);
vc->vc_can_do_color = (fb_get_color_depth(&info->var, &info->fix)!=1);
vc->vc_complement_mask = vc->vc_can_do_color ? 0x7700 : 0x0800;
if (charcnt == 256) {
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 20405421a5ed..861bf8081619 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -34,6 +34,7 @@
#include <linux/fb.h>
#include <linux/fbcon.h>
#include <linux/mem_encrypt.h>
+#include <linux/pci.h>
#include <asm/fb.h>
@@ -1116,6 +1117,8 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
if (!lock_fb_info(info))
return -ENODEV;
fix = info->fix;
+ if (info->flags & FBINFO_HIDE_SMEM_START)
+ fix.smem_start = 0;
unlock_fb_info(info);
ret = copy_to_user(argp, &fix, sizeof(fix)) ? -EFAULT : 0;
@@ -1326,6 +1329,8 @@ static int fb_get_fscreeninfo(struct fb_info *info, unsigned int cmd,
if (!lock_fb_info(info))
return -ENODEV;
fix = info->fix;
+ if (info->flags & FBINFO_HIDE_SMEM_START)
+ fix.smem_start = 0;
unlock_fb_info(info);
return do_fscreeninfo_to_user(&fix, compat_ptr(arg));
}
@@ -1605,8 +1610,8 @@ static int do_remove_conflicting_framebuffers(struct apertures_struct *a,
(primary && gen_aper && gen_aper->count &&
gen_aper->ranges[0].base == VGA_FB_PHYS)) {
- printk(KERN_INFO "fb: switching to %s from %s\n",
- name, registered_fb[i]->fix.id);
+ printk(KERN_INFO "fb%d: switching to %s from %s\n",
+ i, name, registered_fb[i]->fix.id);
ret = do_unregister_framebuffer(registered_fb[i]);
if (ret)
return ret;
@@ -1793,20 +1798,78 @@ int unlink_framebuffer(struct fb_info *fb_info)
}
EXPORT_SYMBOL(unlink_framebuffer);
+/**
+ * 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.
+ */
int remove_conflicting_framebuffers(struct apertures_struct *a,
const char *name, bool primary)
{
int ret;
+ bool do_free = false;
+
+ if (!a) {
+ a = alloc_apertures(1);
+ if (!a)
+ return -ENOMEM;
+
+ a->ranges[0].base = 0;
+ a->ranges[0].size = ~0;
+ do_free = true;
+ }
mutex_lock(&registration_lock);
ret = do_remove_conflicting_framebuffers(a, name, primary);
mutex_unlock(&registration_lock);
+ if (do_free)
+ kfree(a);
+
return ret;
}
EXPORT_SYMBOL(remove_conflicting_framebuffers);
/**
+ * remove_conflicting_pci_framebuffers - remove firmware-configured framebuffers for PCI devices
+ * @pdev: PCI device
+ * @res_id: index of PCI BAR configuring framebuffer memory
+ * @name: requesting driver name
+ *
+ * This function removes framebuffer devices (eg. initialized by firmware)
+ * using memory range configured for @pdev's BAR @res_id.
+ *
+ * The function assumes that PCI device with shadowed ROM drives a primary
+ * display and so kicks out vga16fb.
+ */
+int remove_conflicting_pci_framebuffers(struct pci_dev *pdev, int res_id, const char *name)
+{
+ struct apertures_struct *ap;
+ bool primary = false;
+ int err;
+
+ ap = alloc_apertures(1);
+ if (!ap)
+ return -ENOMEM;
+
+ ap->ranges[0].base = pci_resource_start(pdev, res_id);
+ ap->ranges[0].size = pci_resource_len(pdev, res_id);
+#ifdef CONFIG_X86
+ primary = pdev->resource[PCI_ROM_RESOURCE].flags &
+ IORESOURCE_ROM_SHADOW;
+#endif
+ err = remove_conflicting_framebuffers(ap, name, primary);
+ kfree(ap);
+ return err;
+}
+EXPORT_SYMBOL(remove_conflicting_pci_framebuffers);
+
+/**
* register_framebuffer - registers a frame buffer device
* @fb_info: frame buffer info structure
*
diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c
index bc9eb8afc313..332a56b6811f 100644
--- a/drivers/video/fbdev/fsl-diu-fb.c
+++ b/drivers/video/fbdev/fsl-diu-fb.c
@@ -1925,7 +1925,7 @@ static int __init fsl_diu_init(void)
pr_info("Freescale Display Interface Unit (DIU) framebuffer driver\n");
#ifdef CONFIG_NOT_COHERENT_CACHE
- np = of_find_node_by_type(NULL, "cpu");
+ np = of_get_cpu_node(0, NULL);
if (!np) {
pr_err("fsl-diu-fb: can't find 'cpu' device node\n");
return -ENODEV;
diff --git a/drivers/video/fbdev/platinumfb.c b/drivers/video/fbdev/platinumfb.c
index 377d3399a3ad..bf6b7fb83cf4 100644
--- a/drivers/video/fbdev/platinumfb.c
+++ b/drivers/video/fbdev/platinumfb.c
@@ -32,9 +32,7 @@
#include <linux/nvram.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
-#include <asm/io.h>
#include <asm/prom.h>
-#include <asm/pgtable.h>
#include "macmodes.h"
#include "platinumfb.h"
@@ -577,8 +575,7 @@ static int platinumfb_probe(struct platform_device* odev)
/* frame buffer - map only 4MB */
pinfo->frame_buffer_phys = pinfo->rsrc_fb.start;
- pinfo->frame_buffer = __ioremap(pinfo->rsrc_fb.start, 0x400000,
- _PAGE_WRITETHRU);
+ pinfo->frame_buffer = ioremap_wt(pinfo->rsrc_fb.start, 0x400000);
pinfo->base_frame_buffer = pinfo->frame_buffer;
/* registers */
diff --git a/drivers/video/fbdev/sh7760fb.c b/drivers/video/fbdev/sh7760fb.c
index 96de91d76623..405715b60ec7 100644
--- a/drivers/video/fbdev/sh7760fb.c
+++ b/drivers/video/fbdev/sh7760fb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* SH7760/SH7763 LCDC Framebuffer driver.
*
@@ -5,10 +6,6 @@
* Manuel Lauss <mano@roarinelk.homelinux.net>
* (c) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
*
- * This file is subject to the terms and conditions of the GNU General
- * Public License. See the file COPYING in the main directory of this
- * archive for more details.
- *
* PLEASE HAVE A LOOK AT Documentation/fb/sh7760fb.txt!
*
* Thanks to Siegfried Schaefer <s.schaefer at schaefer-edv.de>
@@ -587,4 +584,4 @@ module_platform_driver(sh7760_lcdc_driver);
MODULE_AUTHOR("Nobuhiro Iwamatsu, Manuel Lauss");
MODULE_DESCRIPTION("FBdev for SH7760/63 integrated LCD Controller");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/video/fbdev/valkyriefb.c b/drivers/video/fbdev/valkyriefb.c
index 275fb98236d3..d51c3a8009cb 100644
--- a/drivers/video/fbdev/valkyriefb.c
+++ b/drivers/video/fbdev/valkyriefb.c
@@ -54,13 +54,11 @@
#include <linux/nvram.h>
#include <linux/adb.h>
#include <linux/cuda.h>
-#include <asm/io.h>
#ifdef CONFIG_MAC
#include <asm/macintosh.h>
#else
#include <asm/prom.h>
#endif
-#include <asm/pgtable.h>
#include "macmodes.h"
#include "valkyriefb.h"
@@ -318,7 +316,7 @@ static void __init valkyrie_choose_mode(struct fb_info_valkyrie *p)
int __init valkyriefb_init(void)
{
struct fb_info_valkyrie *p;
- unsigned long frame_buffer_phys, cmap_regs_phys, flags;
+ unsigned long frame_buffer_phys, cmap_regs_phys;
int err;
char *option = NULL;
@@ -337,7 +335,6 @@ int __init valkyriefb_init(void)
/* Hardcoded addresses... welcome to 68k Macintosh country :-) */
frame_buffer_phys = 0xf9000000;
cmap_regs_phys = 0x50f24000;
- flags = IOMAP_NOCACHE_SER; /* IOMAP_WRITETHROUGH?? */
#else /* ppc (!CONFIG_MAC) */
{
struct device_node *dp;
@@ -354,7 +351,6 @@ int __init valkyriefb_init(void)
frame_buffer_phys = r.start;
cmap_regs_phys = r.start + 0x304000;
- flags = _PAGE_WRITETHRU;
}
#endif /* ppc (!CONFIG_MAC) */
@@ -369,7 +365,11 @@ int __init valkyriefb_init(void)
}
p->total_vram = 0x100000;
p->frame_buffer_phys = frame_buffer_phys;
- p->frame_buffer = __ioremap(frame_buffer_phys, p->total_vram, flags);
+#ifdef CONFIG_MAC
+ p->frame_buffer = ioremap_nocache(frame_buffer_phys, p->total_vram);
+#else
+ p->frame_buffer = ioremap_wt(frame_buffer_phys, p->total_vram);
+#endif
p->cmap_regs_phys = cmap_regs_phys;
p->cmap_regs = ioremap(p->cmap_regs_phys, 0x1000);
p->valkyrie_regs_phys = cmap_regs_phys+0x6000;
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-28 09:46:56 +0300