diff options
Diffstat (limited to 'drivers/video/riva/fbdev.c')
| -rw-r--r-- | drivers/video/riva/fbdev.c | 50 |
1 files changed, 13 insertions, 37 deletions
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c index 9e7d3fcde20..ab00350907d 100644 --- a/drivers/video/riva/fbdev.c +++ b/drivers/video/riva/fbdev.c @@ -282,7 +282,6 @@ static const struct riva_regs reg_template = { static struct backlight_properties riva_bl_data; -/* Call with fb_info->bl_mutex held */ static int riva_bl_get_level_brightness(struct riva_par *par, int level) { @@ -290,6 +289,7 @@ static int riva_bl_get_level_brightness(struct riva_par *par, int nlevel; /* Get and convert the value */ + /* No locking on bl_curve since accessing a single value */ nlevel = MIN_LEVEL + info->bl_curve[level] * LEVEL_STEP; if (nlevel < 0) @@ -302,8 +302,7 @@ static int riva_bl_get_level_brightness(struct riva_par *par, return nlevel; } -/* Call with fb_info->bl_mutex held */ -static int __riva_bl_update_status(struct backlight_device *bd) +static int riva_bl_update_status(struct backlight_device *bd) { struct riva_par *par = class_get_devdata(&bd->class_dev); U032 tmp_pcrt, tmp_pmc; @@ -328,19 +327,6 @@ static int __riva_bl_update_status(struct backlight_device *bd) return 0; } -static int riva_bl_update_status(struct backlight_device *bd) -{ - struct riva_par *par = class_get_devdata(&bd->class_dev); - struct fb_info *info = pci_get_drvdata(par->pdev); - int ret; - - mutex_lock(&info->bl_mutex); - ret = __riva_bl_update_status(bd); - mutex_unlock(&info->bl_mutex); - - return ret; -} - static int riva_bl_get_brightness(struct backlight_device *bd) { return bd->props->brightness; @@ -376,12 +362,10 @@ static void riva_bl_init(struct riva_par *par) goto error; } - mutex_lock(&info->bl_mutex); info->bl_dev = bd; fb_bl_default_curve(info, 0, MIN_LEVEL * FB_BACKLIGHT_MAX / MAX_LEVEL, FB_BACKLIGHT_MAX); - mutex_unlock(&info->bl_mutex); bd->props->brightness = riva_bl_data.max_brightness; bd->props->power = FB_BLANK_UNBLANK; @@ -402,34 +386,25 @@ error: return; } -static void riva_bl_exit(struct riva_par *par) +static void riva_bl_exit(struct fb_info *info) { - struct fb_info *info = pci_get_drvdata(par->pdev); + struct backlight_device *bd = info->bl_dev; + if (bd) { #ifdef CONFIG_PMAC_BACKLIGHT - mutex_lock(&pmac_backlight_mutex); -#endif - - mutex_lock(&info->bl_mutex); - if (info->bl_dev) { -#ifdef CONFIG_PMAC_BACKLIGHT - if (pmac_backlight == info->bl_dev) + mutex_lock(&pmac_backlight_mutex); + if (pmac_backlight == bd) pmac_backlight = NULL; + mutex_unlock(&pmac_backlight_mutex); #endif - - backlight_device_unregister(info->bl_dev); + backlight_device_unregister(bd); printk("riva: Backlight unloaded\n"); } - mutex_unlock(&info->bl_mutex); - -#ifdef CONFIG_PMAC_BACKLIGHT - mutex_unlock(&pmac_backlight_mutex); -#endif } #else static inline void riva_bl_init(struct riva_par *par) {} -static inline void riva_bl_exit(struct riva_par *par) {} +static inline void riva_bl_exit(struct fb_info *info) {} #endif /* CONFIG_FB_RIVA_BACKLIGHT */ /* ------------------------------------------------------------------------- * @@ -2146,14 +2121,15 @@ static void __exit rivafb_remove(struct pci_dev *pd) NVTRACE_ENTER(); - riva_bl_exit(par); - #ifdef CONFIG_FB_RIVA_I2C riva_delete_i2c_busses(par); kfree(par->EDID); #endif unregister_framebuffer(info); + + riva_bl_exit(info); + #ifdef CONFIG_MTRR if (par->mtrr.vram_valid) mtrr_del(par->mtrr.vram, info->fix.smem_start, |