diff options
| -rw-r--r-- | drivers/video/Kconfig | 14 | ||||
| -rw-r--r-- | drivers/video/via/viafbdev.c | 8 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 22c1662de96..fd55c279915 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1522,6 +1522,20 @@ config FB_VIA To compile this driver as a module, choose M here: the module will be called viafb. +if FB_VIA + +config FB_VIA_DIRECT_PROCFS + bool "direct hardware access via procfs (DEPRECATED)(DANGEROUS)" + depends on FB_VIA + default n + help + Allow direct hardware access to some output registers via procfs. + This is dangerous but may provide the only chance to get the + correct output device configuration. + Its use is strongly discouraged. + +endif + config FB_NEOMAGIC tristate "NeoMagic display support" depends on FB && PCI diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index 51e9106138c..3d033186a82 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -1326,6 +1326,8 @@ static void parse_dvi_port(void) output_interface); } +#ifdef CONFIG_FB_VIA_DIRECT_PROCFS + /* * The proc filesystem read/write function, a simple proc implement to * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1, @@ -1715,6 +1717,8 @@ static void viafb_remove_proc(struct proc_dir_entry *viafb_entry) remove_proc_entry("viafb", NULL); } +#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */ + static int parse_mode(const char *str, u32 *xres, u32 *yres) { char *ptr; @@ -1943,7 +1947,9 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev) viafbinfo->node, viafbinfo->fix.id, default_var.xres, default_var.yres, default_var.bits_per_pixel); +#ifdef CONFIG_FB_VIA_DIRECT_PROCFS viafb_init_proc(&viaparinfo->shared->proc_entry); +#endif viafb_init_dac(IGA2); return 0; @@ -1970,7 +1976,9 @@ void __devexit via_fb_pci_remove(struct pci_dev *pdev) unregister_framebuffer(viafbinfo); if (viafb_dual_fb) unregister_framebuffer(viafbinfo1); +#ifdef CONFIG_FB_VIA_DIRECT_PROCFS viafb_remove_proc(viaparinfo->shared->proc_entry); +#endif framebuffer_release(viafbinfo); if (viafb_dual_fb) framebuffer_release(viafbinfo1); |