diff options
Diffstat (limited to 'drivers/video/via/viafbdev.c')
| -rw-r--r-- | drivers/video/via/viafbdev.c | 76 |
1 files changed, 39 insertions, 37 deletions
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index f555b891cc72..a542bed086e2 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -182,13 +182,24 @@ static int viafb_release(struct fb_info *info, int user) return 0; } +static inline int get_var_refresh(struct fb_var_screeninfo *var) +{ + u32 htotal, vtotal; + + htotal = var->left_margin + var->xres + var->right_margin + + var->hsync_len; + vtotal = var->upper_margin + var->yres + var->lower_margin + + var->vsync_len; + return PICOS2KHZ(var->pixclock) * 1000 / (htotal * vtotal); +} + static int viafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { - int htotal, vtotal, depth; + int depth, refresh; struct VideoModeTable *vmode_entry; struct viafb_par *ppar = info->par; - u32 long_refresh, line; + u32 line; DEBUG_MSG(KERN_INFO "viafb_check_var!\n"); /* Sanity check */ @@ -231,17 +242,11 @@ static int viafb_check_var(struct fb_var_screeninfo *var, /* Based on var passed in to calculate the refresh, * because our driver use some modes special. */ - htotal = var->xres + var->left_margin + - var->right_margin + var->hsync_len; - vtotal = var->yres + var->upper_margin + - var->lower_margin + var->vsync_len; - long_refresh = 1000000000UL / var->pixclock * 1000; - long_refresh /= (htotal * vtotal); - - viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh); + refresh = viafb_get_refresh(var->xres, var->yres, + get_var_refresh(var)); /* Adjust var according to our driver's own table */ - viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry); + viafb_fill_var_timing_info(var, refresh, vmode_entry); if (var->accel_flags & FB_ACCELF_TEXT && !ppar->shared->vdev->engine_mmio) var->accel_flags = 0; @@ -253,12 +258,13 @@ static int viafb_set_par(struct fb_info *info) { struct viafb_par *viapar = info->par; struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL; + int refresh; DEBUG_MSG(KERN_INFO "viafb_set_par!\n"); viafb_update_fix(info); viapar->depth = fb_get_color_depth(&info->var, &info->fix); viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres, - viafbinfo->var.bits_per_pixel, viafb_refresh, 0); + viafbinfo->var.bits_per_pixel, 0); vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres); if (viafb_dual_fb) { @@ -266,7 +272,7 @@ static int viafb_set_par(struct fb_info *info) viafbinfo1->var.yres); viafb_update_device_setting(viafbinfo1->var.xres, viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel, - viafb_refresh1, 1); + 1); } else if (viafb_SAMM_ON == 1) { DEBUG_MSG(KERN_INFO "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n", @@ -275,14 +281,19 @@ static int viafb_set_par(struct fb_info *info) viafb_second_yres); viafb_update_device_setting(viafb_second_xres, - viafb_second_yres, viafb_bpp1, viafb_refresh1, 1); + viafb_second_yres, viafb_bpp1, 1); } + refresh = viafb_get_refresh(info->var.xres, info->var.yres, + get_var_refresh(&info->var)); if (vmode_entry) { - if (viafb_dual_fb && viapar->iga_path == IGA2) + if (viafb_dual_fb && viapar->iga_path == IGA2) { viafb_bpp1 = info->var.bits_per_pixel; - else + viafb_refresh1 = refresh; + } else { viafb_bpp = info->var.bits_per_pixel; + viafb_refresh = refresh; + } if (info->var.accel_flags & FB_ACCELF_TEXT) info->flags &= ~FBINFO_HWACCEL_DISABLED; @@ -1795,14 +1806,9 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev) default_var.xres_virtual = default_xres; default_var.yres_virtual = default_yres; default_var.bits_per_pixel = viafb_bpp; - default_var.pixclock = - viafb_get_pixclock(default_xres, default_yres, viafb_refresh); - default_var.left_margin = (default_xres >> 3) & 0xf8; - default_var.right_margin = 32; - default_var.upper_margin = 16; - default_var.lower_margin = 4; - default_var.hsync_len = default_var.left_margin; - default_var.vsync_len = 4; + viafb_fill_var_timing_info(&default_var, viafb_get_refresh( + default_var.xres, default_var.yres, viafb_refresh), + viafb_get_mode(default_var.xres, default_var.yres)); viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo); viafbinfo->var = default_var; @@ -1841,15 +1847,9 @@ int __devinit via_fb_pci_probe(struct viafb_dev *vdev) default_var.xres_virtual = viafb_second_virtual_xres; default_var.yres_virtual = viafb_second_virtual_yres; default_var.bits_per_pixel = viafb_bpp1; - default_var.pixclock = - viafb_get_pixclock(viafb_second_xres, viafb_second_yres, - viafb_refresh); - default_var.left_margin = (viafb_second_xres >> 3) & 0xf8; - default_var.right_margin = 32; - default_var.upper_margin = 16; - default_var.lower_margin = 4; - default_var.hsync_len = default_var.left_margin; - default_var.vsync_len = 4; + viafb_fill_var_timing_info(&default_var, viafb_get_refresh( + default_var.xres, default_var.yres, viafb_refresh1), + viafb_get_mode(default_var.xres, default_var.yres)); viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1); viafb_check_var(&default_var, viafbinfo1); @@ -2004,22 +2004,24 @@ static int __init viafb_setup(char *options) */ int __init viafb_init(void) { - u32 dummy; + u32 dummy_x, dummy_y; #ifndef MODULE char *option = NULL; if (fb_get_options("viafb", &option)) return -ENODEV; viafb_setup(option); #endif - if (parse_mode(viafb_mode, &dummy, &dummy) - || parse_mode(viafb_mode1, &dummy, &dummy) + if (parse_mode(viafb_mode, &dummy_x, &dummy_y) + || !viafb_get_mode(dummy_x, dummy_y) + || parse_mode(viafb_mode1, &dummy_x, &dummy_y) + || !viafb_get_mode(dummy_x, dummy_y) || viafb_bpp < 0 || viafb_bpp > 32 || viafb_bpp1 < 0 || viafb_bpp1 > 32 || parse_active_dev()) return -EINVAL; printk(KERN_INFO - "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n", + "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n", VERSION_MAJOR, VERSION_MINOR); return 0; } |