summaryrefslogtreecommitdiff
path: root/drivers/video
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fbdev/arkfb.c3
-rw-r--r--drivers/video/fbdev/aty/aty128fb.c1
-rw-r--r--drivers/video/fbdev/aty/atyfb_base.c1
-rw-r--r--drivers/video/fbdev/aty/radeon_pm.c1
-rw-r--r--drivers/video/fbdev/aty/radeonfb.h2
-rw-r--r--drivers/video/fbdev/clps711x-fb.c3
-rw-r--r--drivers/video/fbdev/controlfb.c3
-rw-r--r--drivers/video/fbdev/core/fbmem.c9
-rw-r--r--drivers/video/fbdev/core/fbsysfs.c4
-rw-r--r--drivers/video/fbdev/efifb.c9
-rw-r--r--drivers/video/fbdev/i740fb.c5
-rw-r--r--drivers/video/fbdev/imxfb.c2
-rw-r--r--drivers/video/fbdev/kyro/fbdev.c2
-rw-r--r--drivers/video/fbdev/matrox/matroxfb_base.h1
-rw-r--r--drivers/video/fbdev/mb862xx/mb862xxfbdrv.c2
-rw-r--r--drivers/video/fbdev/mmp/core.c11
-rw-r--r--drivers/video/fbdev/neofb.c2
-rw-r--r--drivers/video/fbdev/omap/hwa742.c6
-rw-r--r--drivers/video/fbdev/omap/lcdc.c6
-rw-r--r--drivers/video/fbdev/omap/sossi.c5
-rw-r--r--drivers/video/fbdev/platinumfb.c2
-rw-r--r--drivers/video/fbdev/pm2fb.c8
-rw-r--r--drivers/video/fbdev/pxafb.c4
-rw-r--r--drivers/video/fbdev/s3fb.c3
-rw-r--r--drivers/video/fbdev/sh_mobile_lcdcfb.c3
-rw-r--r--drivers/video/fbdev/simplefb.c8
-rw-r--r--drivers/video/fbdev/sis/sis_main.c2
-rw-r--r--drivers/video/fbdev/tridentfb.c3
-rw-r--r--drivers/video/fbdev/udlfb.c14
-rw-r--r--drivers/video/fbdev/valkyriefb.c3
-rw-r--r--drivers/video/fbdev/vesafb.c8
-rw-r--r--drivers/video/fbdev/vt8623fb.c3
-rw-r--r--drivers/video/of_display_timing.c2
33 files changed, 93 insertions, 48 deletions
diff --git a/drivers/video/fbdev/arkfb.c b/drivers/video/fbdev/arkfb.c
index edf169d0816e..eb3e47c58c5f 100644
--- a/drivers/video/fbdev/arkfb.c
+++ b/drivers/video/fbdev/arkfb.c
@@ -566,6 +566,9 @@ static int arkfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
int rv, mem, step;
+ if (!var->pixclock)
+ return -EINVAL;
+
/* Find appropriate format */
rv = svga_match_format (arkfb_formats, var, NULL);
if (rv < 0)
diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c
index 6ff16d3132e5..b26c81233b6b 100644
--- a/drivers/video/fbdev/aty/aty128fb.c
+++ b/drivers/video/fbdev/aty/aty128fb.c
@@ -68,7 +68,6 @@
#ifdef CONFIG_PPC_PMAC
#include <asm/machdep.h>
#include <asm/pmac_feature.h>
-#include <asm/prom.h>
#include "../macmodes.h"
#endif
diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c
index 1aef3d6ebd88..a3e6faed7745 100644
--- a/drivers/video/fbdev/aty/atyfb_base.c
+++ b/drivers/video/fbdev/aty/atyfb_base.c
@@ -79,7 +79,6 @@
#ifdef __powerpc__
#include <asm/machdep.h>
-#include <asm/prom.h>
#include "../macmodes.h"
#endif
#ifdef __sparc__
diff --git a/drivers/video/fbdev/aty/radeon_pm.c b/drivers/video/fbdev/aty/radeon_pm.c
index b5fbd5329652..97a5972f5b1f 100644
--- a/drivers/video/fbdev/aty/radeon_pm.c
+++ b/drivers/video/fbdev/aty/radeon_pm.c
@@ -22,7 +22,6 @@
#ifdef CONFIG_PPC_PMAC
#include <asm/machdep.h>
-#include <asm/prom.h>
#include <asm/pmac_feature.h>
#endif
diff --git a/drivers/video/fbdev/aty/radeonfb.h b/drivers/video/fbdev/aty/radeonfb.h
index 93f403cbb415..91d81b576231 100644
--- a/drivers/video/fbdev/aty/radeonfb.h
+++ b/drivers/video/fbdev/aty/radeonfb.h
@@ -21,7 +21,7 @@
#include <asm/io.h>
-#if defined(CONFIG_PPC) || defined(CONFIG_SPARC)
+#ifdef CONFIG_SPARC
#include <asm/prom.h>
#endif
diff --git a/drivers/video/fbdev/clps711x-fb.c b/drivers/video/fbdev/clps711x-fb.c
index c5d15c6db287..771ce1f76951 100644
--- a/drivers/video/fbdev/clps711x-fb.c
+++ b/drivers/video/fbdev/clps711x-fb.c
@@ -268,8 +268,7 @@ static int clps711x_fb_probe(struct platform_device *pdev)
goto out_fb_release;
}
- cfb->syscon =
- syscon_regmap_lookup_by_compatible("cirrus,ep7209-syscon1");
+ cfb->syscon = syscon_regmap_lookup_by_phandle(np, "syscon");
if (IS_ERR(cfb->syscon)) {
ret = PTR_ERR(cfb->syscon);
goto out_fb_release;
diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c
index bd59e7b11ed5..aba46118b208 100644
--- a/drivers/video/fbdev/controlfb.c
+++ b/drivers/video/fbdev/controlfb.c
@@ -47,9 +47,6 @@
#include <linux/nvram.h>
#include <linux/adb.h>
#include <linux/cuda.h>
-#ifdef CONFIG_PPC_PMAC
-#include <asm/prom.h>
-#endif
#ifdef CONFIG_BOOTX_TEXT
#include <asm/btext.h>
#endif
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 34d6bb1bf82e..a6bb0e438216 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1579,7 +1579,14 @@ static void do_remove_conflicting_framebuffers(struct apertures_struct *a,
* If it's not a platform device, at least print a warning. A
* fix would add code to remove the device from the system.
*/
- if (dev_is_platform(device)) {
+ if (!device) {
+ /* TODO: Represent each OF framebuffer as its own
+ * device in the device hierarchy. For now, offb
+ * doesn't have such a device, so unregister the
+ * framebuffer as before without warning.
+ */
+ do_unregister_framebuffer(registered_fb[i]);
+ } else if (dev_is_platform(device)) {
registered_fb[i]->forced_out = true;
platform_device_unregister(to_platform_device(device));
} else {
diff --git a/drivers/video/fbdev/core/fbsysfs.c b/drivers/video/fbdev/core/fbsysfs.c
index 26892940c213..82e31a2d845e 100644
--- a/drivers/video/fbdev/core/fbsysfs.c
+++ b/drivers/video/fbdev/core/fbsysfs.c
@@ -80,6 +80,10 @@ void framebuffer_release(struct fb_info *info)
{
if (!info)
return;
+
+ if (WARN_ON(refcount_read(&info->count)))
+ return;
+
kfree(info->apertures);
kfree(info);
}
diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
index ea42ba6445b2..b3d5f884c544 100644
--- a/drivers/video/fbdev/efifb.c
+++ b/drivers/video/fbdev/efifb.c
@@ -243,6 +243,10 @@ error:
static inline void efifb_show_boot_graphics(struct fb_info *info) {}
#endif
+/*
+ * fb_ops.fb_destroy is called by the last put_fb_info() call at the end
+ * of unregister_framebuffer() or fb_release(). Do any cleanup here.
+ */
static void efifb_destroy(struct fb_info *info)
{
if (efifb_pci_dev)
@@ -254,10 +258,13 @@ static void efifb_destroy(struct fb_info *info)
else
memunmap(info->screen_base);
}
+
if (request_mem_succeeded)
release_mem_region(info->apertures->ranges[0].base,
info->apertures->ranges[0].size);
fb_dealloc_cmap(&info->cmap);
+
+ framebuffer_release(info);
}
static const struct fb_ops efifb_ops = {
@@ -620,9 +627,9 @@ static int efifb_remove(struct platform_device *pdev)
{
struct fb_info *info = platform_get_drvdata(pdev);
+ /* efifb_destroy takes care of info cleanup */
unregister_framebuffer(info);
sysfs_remove_groups(&pdev->dev.kobj, efifb_groups);
- framebuffer_release(info);
return 0;
}
diff --git a/drivers/video/fbdev/i740fb.c b/drivers/video/fbdev/i740fb.c
index 52cce0db8bd3..09dd85553d4f 100644
--- a/drivers/video/fbdev/i740fb.c
+++ b/drivers/video/fbdev/i740fb.c
@@ -657,6 +657,9 @@ static int i740fb_decode_var(const struct fb_var_screeninfo *var,
static int i740fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
+ if (!var->pixclock)
+ return -EINVAL;
+
switch (var->bits_per_pixel) {
case 8:
var->red.offset = var->green.offset = var->blue.offset = 0;
@@ -740,7 +743,7 @@ static int i740fb_set_par(struct fb_info *info)
if (i)
return i;
- memset(info->screen_base, 0, info->screen_size);
+ memset_io(info->screen_base, 0, info->screen_size);
vga_protect(par);
diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c
index 68288756ffff..a2f644c97f28 100644
--- a/drivers/video/fbdev/imxfb.c
+++ b/drivers/video/fbdev/imxfb.c
@@ -925,10 +925,12 @@ static int imxfb_probe(struct platform_device *pdev)
sizeof(struct imx_fb_videomode), GFP_KERNEL);
if (!fbi->mode) {
ret = -ENOMEM;
+ of_node_put(display_np);
goto failed_of_parse;
}
ret = imxfb_of_read_mode(&pdev->dev, display_np, fbi->mode);
+ of_node_put(display_np);
if (ret)
goto failed_of_parse;
}
diff --git a/drivers/video/fbdev/kyro/fbdev.c b/drivers/video/fbdev/kyro/fbdev.c
index 25801e8e3f74..d57772f96ad2 100644
--- a/drivers/video/fbdev/kyro/fbdev.c
+++ b/drivers/video/fbdev/kyro/fbdev.c
@@ -494,6 +494,8 @@ static int kyrofb_set_par(struct fb_info *info)
info->var.hsync_len +
info->var.left_margin)) / 1000;
+ if (!lineclock)
+ return -EINVAL;
/* time for a frame in ns (precision in 32bpp) */
frameclock = lineclock * (info->var.yres +
diff --git a/drivers/video/fbdev/matrox/matroxfb_base.h b/drivers/video/fbdev/matrox/matroxfb_base.h
index 759dee996af1..958be6805f87 100644
--- a/drivers/video/fbdev/matrox/matroxfb_base.h
+++ b/drivers/video/fbdev/matrox/matroxfb_base.h
@@ -47,7 +47,6 @@
#include <asm/unaligned.h>
#if defined(CONFIG_PPC_PMAC)
-#include <asm/prom.h>
#include "../macmodes.h"
#endif
diff --git a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
index 63721337a377..a7508f5be343 100644
--- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
+++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
@@ -18,6 +18,8 @@
#include <linux/interrupt.h>
#include <linux/pci.h>
#if defined(CONFIG_OF)
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
#include <linux/of_platform.h>
#endif
#include "mb862xxfb.h"
diff --git a/drivers/video/fbdev/mmp/core.c b/drivers/video/fbdev/mmp/core.c
index 154127256a2c..03707461eced 100644
--- a/drivers/video/fbdev/mmp/core.c
+++ b/drivers/video/fbdev/mmp/core.c
@@ -127,19 +127,18 @@ EXPORT_SYMBOL_GPL(mmp_unregister_panel);
*/
struct mmp_path *mmp_get_path(const char *name)
{
- struct mmp_path *path;
- int found = 0;
+ struct mmp_path *path = NULL, *iter;
mutex_lock(&disp_lock);
- list_for_each_entry(path, &path_list, node) {
- if (!strcmp(name, path->name)) {
- found = 1;
+ list_for_each_entry(iter, &path_list, node) {
+ if (!strcmp(name, iter->name)) {
+ path = iter;
break;
}
}
mutex_unlock(&disp_lock);
- return found ? path : NULL;
+ return path;
}
EXPORT_SYMBOL_GPL(mmp_get_path);
diff --git a/drivers/video/fbdev/neofb.c b/drivers/video/fbdev/neofb.c
index 966df2a07360..28d32cbf496b 100644
--- a/drivers/video/fbdev/neofb.c
+++ b/drivers/video/fbdev/neofb.c
@@ -585,7 +585,7 @@ neofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
DBG("neofb_check_var");
- if (var->pixclock && PICOS2KHZ(var->pixclock) > par->maxClock)
+ if (!var->pixclock || PICOS2KHZ(var->pixclock) > par->maxClock)
return -EINVAL;
/* Is the mode larger than the LCD panel? */
diff --git a/drivers/video/fbdev/omap/hwa742.c b/drivers/video/fbdev/omap/hwa742.c
index b191bef22d98..9d9fe5c3a7a1 100644
--- a/drivers/video/fbdev/omap/hwa742.c
+++ b/drivers/video/fbdev/omap/hwa742.c
@@ -964,7 +964,7 @@ static int hwa742_init(struct omapfb_device *fbdev, int ext_mode,
if ((r = calc_extif_timings(ext_clk, &extif_mem_div)) < 0)
goto err3;
hwa742.extif->set_timings(&hwa742.reg_timings);
- clk_enable(hwa742.sys_ck);
+ clk_prepare_enable(hwa742.sys_ck);
calc_hwa742_clk_rates(ext_clk, &sys_clk, &pix_clk);
if ((r = calc_extif_timings(sys_clk, &extif_mem_div)) < 0)
@@ -1023,7 +1023,7 @@ static int hwa742_init(struct omapfb_device *fbdev, int ext_mode,
return 0;
err4:
- clk_disable(hwa742.sys_ck);
+ clk_disable_unprepare(hwa742.sys_ck);
err3:
hwa742.extif->cleanup();
err2:
@@ -1037,7 +1037,7 @@ static void hwa742_cleanup(void)
hwa742_set_update_mode(OMAPFB_UPDATE_DISABLED);
hwa742.extif->cleanup();
hwa742.int_ctrl->cleanup();
- clk_disable(hwa742.sys_ck);
+ clk_disable_unprepare(hwa742.sys_ck);
}
struct lcd_ctrl hwa742_ctrl = {
diff --git a/drivers/video/fbdev/omap/lcdc.c b/drivers/video/fbdev/omap/lcdc.c
index 7317c9aad677..97d20dc0d1d0 100644
--- a/drivers/video/fbdev/omap/lcdc.c
+++ b/drivers/video/fbdev/omap/lcdc.c
@@ -711,7 +711,7 @@ static int omap_lcdc_init(struct omapfb_device *fbdev, int ext_mode,
dev_err(fbdev->dev, "failed to adjust LCD rate\n");
goto fail1;
}
- clk_enable(lcdc.lcd_ck);
+ clk_prepare_enable(lcdc.lcd_ck);
r = request_irq(OMAP_LCDC_IRQ, lcdc_irq_handler, 0, MODULE_NAME, fbdev);
if (r) {
@@ -746,7 +746,7 @@ fail4:
fail3:
free_irq(OMAP_LCDC_IRQ, lcdc.fbdev);
fail2:
- clk_disable(lcdc.lcd_ck);
+ clk_disable_unprepare(lcdc.lcd_ck);
fail1:
clk_put(lcdc.lcd_ck);
fail0:
@@ -760,7 +760,7 @@ static void omap_lcdc_cleanup(void)
free_fbmem();
omap_free_lcd_dma();
free_irq(OMAP_LCDC_IRQ, lcdc.fbdev);
- clk_disable(lcdc.lcd_ck);
+ clk_disable_unprepare(lcdc.lcd_ck);
clk_put(lcdc.lcd_ck);
}
diff --git a/drivers/video/fbdev/omap/sossi.c b/drivers/video/fbdev/omap/sossi.c
index 80ac67f27f0d..b9cb8b386627 100644
--- a/drivers/video/fbdev/omap/sossi.c
+++ b/drivers/video/fbdev/omap/sossi.c
@@ -598,7 +598,7 @@ static int sossi_init(struct omapfb_device *fbdev)
l &= ~CONF_SOSSI_RESET_R;
omap_writel(l, MOD_CONF_CTRL_1);
- clk_enable(sossi.fck);
+ clk_prepare_enable(sossi.fck);
l = omap_readl(ARM_IDLECT2);
l &= ~(1 << 8); /* DMACK_REQ */
omap_writel(l, ARM_IDLECT2);
@@ -649,7 +649,7 @@ static int sossi_init(struct omapfb_device *fbdev)
return 0;
err:
- clk_disable(sossi.fck);
+ clk_disable_unprepare(sossi.fck);
clk_put(sossi.fck);
return r;
}
@@ -657,6 +657,7 @@ err:
static void sossi_cleanup(void)
{
omap_lcdc_free_dma_callback();
+ clk_unprepare(sossi.fck);
clk_put(sossi.fck);
iounmap(sossi.base);
}
diff --git a/drivers/video/fbdev/platinumfb.c b/drivers/video/fbdev/platinumfb.c
index ce413a9df06e..5b9e26ea6449 100644
--- a/drivers/video/fbdev/platinumfb.c
+++ b/drivers/video/fbdev/platinumfb.c
@@ -30,9 +30,9 @@
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/nvram.h>
+#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
-#include <asm/prom.h>
#include "macmodes.h"
#include "platinumfb.h"
diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c
index c68725eebee3..d3be2c64f1c0 100644
--- a/drivers/video/fbdev/pm2fb.c
+++ b/drivers/video/fbdev/pm2fb.c
@@ -1504,9 +1504,7 @@ static const struct fb_ops pm2fb_ops = {
/**
- * Device initialisation
- *
- * Initialise and allocate resource for PCI device.
+ * pm2fb_probe - Initialise and allocate resource for PCI device.
*
* @pdev: PCI device.
* @id: PCI device ID.
@@ -1711,9 +1709,7 @@ static int pm2fb_probe(struct pci_dev *pdev, const struct pci_device_id *id)
}
/**
- * Device removal.
- *
- * Release all device resources.
+ * pm2fb_remove - Release all device resources.
*
* @pdev: PCI device to clean up.
*/
diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c
index f1551e00eb12..8ad91c251fe6 100644
--- a/drivers/video/fbdev/pxafb.c
+++ b/drivers/video/fbdev/pxafb.c
@@ -2256,10 +2256,10 @@ static int pxafb_probe(struct platform_device *dev)
goto failed;
for (i = 0; i < inf->num_modes; i++)
inf->modes[i] = pdata->modes[i];
+ } else {
+ inf = of_pxafb_of_mach_info(&dev->dev);
}
- if (!pdata)
- inf = of_pxafb_of_mach_info(&dev->dev);
if (IS_ERR_OR_NULL(inf))
goto failed;
diff --git a/drivers/video/fbdev/s3fb.c b/drivers/video/fbdev/s3fb.c
index 5c74253e7b2c..b93c8eb02336 100644
--- a/drivers/video/fbdev/s3fb.c
+++ b/drivers/video/fbdev/s3fb.c
@@ -549,6 +549,9 @@ static int s3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
int rv, mem, step;
u16 m, n, r;
+ if (!var->pixclock)
+ return -EINVAL;
+
/* Find appropriate format */
rv = svga_match_format (s3fb_formats, var, NULL);
diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c
index aa4ebe3192ec..9a4417430b4e 100644
--- a/drivers/video/fbdev/sh_mobile_lcdcfb.c
+++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c
@@ -531,9 +531,6 @@ static void sh_mobile_lcdc_display_off(struct sh_mobile_lcdc_chan *ch)
ch->tx_dev->ops->display_off(ch->tx_dev);
}
-static int sh_mobile_lcdc_check_var(struct fb_var_screeninfo *var,
- struct fb_info *info);
-
/* -----------------------------------------------------------------------------
* Format helpers
*/
diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c
index 94fc9c6d0411..2c198561c338 100644
--- a/drivers/video/fbdev/simplefb.c
+++ b/drivers/video/fbdev/simplefb.c
@@ -84,6 +84,10 @@ struct simplefb_par {
static void simplefb_clocks_destroy(struct simplefb_par *par);
static void simplefb_regulators_destroy(struct simplefb_par *par);
+/*
+ * fb_ops.fb_destroy is called by the last put_fb_info() call at the end
+ * of unregister_framebuffer() or fb_release(). Do any cleanup here.
+ */
static void simplefb_destroy(struct fb_info *info)
{
struct simplefb_par *par = info->par;
@@ -94,6 +98,8 @@ static void simplefb_destroy(struct fb_info *info)
if (info->screen_base)
iounmap(info->screen_base);
+ framebuffer_release(info);
+
if (mem)
release_mem_region(mem->start, resource_size(mem));
}
@@ -545,8 +551,8 @@ static int simplefb_remove(struct platform_device *pdev)
{
struct fb_info *info = platform_get_drvdata(pdev);
+ /* simplefb_destroy takes care of info cleanup */
unregister_framebuffer(info);
- framebuffer_release(info);
return 0;
}
diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c
index 742f62986b80..f28fd69d5eb7 100644
--- a/drivers/video/fbdev/sis/sis_main.c
+++ b/drivers/video/fbdev/sis/sis_main.c
@@ -4463,7 +4463,7 @@ static void sisfb_post_sis300(struct pci_dev *pdev)
SiS_SetReg(SISCR, 0x37, 0x02);
SiS_SetReg(SISPART2, 0x00, 0x1c);
v4 = 0x00; v5 = 0x00; v6 = 0x10;
- if(ivideo->SiS_Pr.UseROM) {
+ if (ivideo->SiS_Pr.UseROM && bios) {
v4 = bios[0xf5];
v5 = bios[0xf6];
v6 = bios[0xf7];
diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c
index 4d20cb557ff0..319131bd72cf 100644
--- a/drivers/video/fbdev/tridentfb.c
+++ b/drivers/video/fbdev/tridentfb.c
@@ -996,6 +996,9 @@ static int tridentfb_check_var(struct fb_var_screeninfo *var,
int ramdac = 230000; /* 230MHz for most 3D chips */
debug("enter\n");
+ if (!var->pixclock)
+ return -EINVAL;
+
/* check color depth */
if (bpp == 24)
bpp = var->bits_per_pixel = 32;
diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index b6ec0b8e2b72..d280733f283b 100644
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -1650,8 +1650,9 @@ static int dlfb_usb_probe(struct usb_interface *intf,
const struct device_attribute *attr;
struct dlfb_data *dlfb;
struct fb_info *info;
- int retval = -ENOMEM;
+ int retval;
struct usb_device *usbdev = interface_to_usbdev(intf);
+ struct usb_endpoint_descriptor *out;
/* usb initialization */
dlfb = kzalloc(sizeof(*dlfb), GFP_KERNEL);
@@ -1665,6 +1666,12 @@ static int dlfb_usb_probe(struct usb_interface *intf,
dlfb->udev = usb_get_dev(usbdev);
usb_set_intfdata(intf, dlfb);
+ retval = usb_find_common_endpoints(intf->cur_altsetting, NULL, &out, NULL, NULL);
+ if (retval) {
+ dev_err(&intf->dev, "Device should have at lease 1 bulk endpoint!\n");
+ goto error;
+ }
+
dev_dbg(&intf->dev, "console enable=%d\n", console);
dev_dbg(&intf->dev, "fb_defio enable=%d\n", fb_defio);
dev_dbg(&intf->dev, "shadow enable=%d\n", shadow);
@@ -1674,6 +1681,7 @@ static int dlfb_usb_probe(struct usb_interface *intf,
if (!dlfb_parse_vendor_descriptor(dlfb, intf)) {
dev_err(&intf->dev,
"firmware not recognized, incompatible device?\n");
+ retval = -ENODEV;
goto error;
}
@@ -1687,8 +1695,10 @@ static int dlfb_usb_probe(struct usb_interface *intf,
/* allocates framebuffer driver structure, not framebuffer memory */
info = framebuffer_alloc(0, &dlfb->udev->dev);
- if (!info)
+ if (!info) {
+ retval = -ENOMEM;
goto error;
+ }
dlfb->info = info;
info->par = dlfb;
diff --git a/drivers/video/fbdev/valkyriefb.c b/drivers/video/fbdev/valkyriefb.c
index 8425afe37d7c..a6c9d4f26669 100644
--- a/drivers/video/fbdev/valkyriefb.c
+++ b/drivers/video/fbdev/valkyriefb.c
@@ -54,10 +54,9 @@
#include <linux/nvram.h>
#include <linux/adb.h>
#include <linux/cuda.h>
+#include <linux/of_address.h>
#ifdef CONFIG_MAC
#include <asm/macintosh.h>
-#else
-#include <asm/prom.h>
#endif
#include "macmodes.h"
diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c
index df6de5a9dd4c..e25e8de5ff67 100644
--- a/drivers/video/fbdev/vesafb.c
+++ b/drivers/video/fbdev/vesafb.c
@@ -179,6 +179,10 @@ static int vesafb_setcolreg(unsigned regno, unsigned red, unsigned green,
return err;
}
+/*
+ * fb_ops.fb_destroy is called by the last put_fb_info() call at the end
+ * of unregister_framebuffer() or fb_release(). Do any cleanup here.
+ */
static void vesafb_destroy(struct fb_info *info)
{
struct vesafb_par *par = info->par;
@@ -188,6 +192,8 @@ static void vesafb_destroy(struct fb_info *info)
if (info->screen_base)
iounmap(info->screen_base);
release_mem_region(info->apertures->ranges[0].base, info->apertures->ranges[0].size);
+
+ framebuffer_release(info);
}
static struct fb_ops vesafb_ops = {
@@ -484,10 +490,10 @@ static int vesafb_remove(struct platform_device *pdev)
{
struct fb_info *info = platform_get_drvdata(pdev);
+ /* vesafb_destroy takes care of info cleanup */
unregister_framebuffer(info);
if (((struct vesafb_par *)(info->par))->region)
release_region(0x3c0, 32);
- framebuffer_release(info);
return 0;
}
diff --git a/drivers/video/fbdev/vt8623fb.c b/drivers/video/fbdev/vt8623fb.c
index 7a959e5ba90b..a92a8c670cf0 100644
--- a/drivers/video/fbdev/vt8623fb.c
+++ b/drivers/video/fbdev/vt8623fb.c
@@ -321,6 +321,9 @@ static int vt8623fb_check_var(struct fb_var_screeninfo *var, struct fb_info *inf
{
int rv, mem, step;
+ if (!var->pixclock)
+ return -EINVAL;
+
/* Find appropriate format */
rv = svga_match_format (vt8623fb_formats, var, NULL);
if (rv < 0)
diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c
index f93b6abbe258..bebd371c6b93 100644
--- a/drivers/video/of_display_timing.c
+++ b/drivers/video/of_display_timing.c
@@ -199,7 +199,7 @@ struct display_timings *of_get_display_timings(const struct device_node *np)
struct display_timing *dt;
int r;
- dt = kzalloc(sizeof(*dt), GFP_KERNEL);
+ dt = kmalloc(sizeof(*dt), GFP_KERNEL);
if (!dt) {
pr_err("%pOF: could not allocate display_timing struct\n",
np);
generated by cgit (git 2.34.1) at 2024-05-24 00:22:35 +0000