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path: root/drivers/video/via/viafbdev.c
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Diffstat (limited to 'drivers/video/via/viafbdev.c')
-rw-r--r--drivers/video/via/viafbdev.c82
1 files changed, 42 insertions, 40 deletions
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 4e66349e436..a542bed086e 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -43,11 +43,11 @@ static int viafb_second_size;
static int viafb_accel = 1;
/* Added for specifying active devices.*/
-char *viafb_active_dev;
+static char *viafb_active_dev;
/*Added for specify lcd output port*/
-char *viafb_lcd_port = "";
-char *viafb_dvi_port = "";
+static char *viafb_lcd_port = "";
+static char *viafb_dvi_port = "";
static void retrieve_device_setting(struct viafb_ioctl_setting
*setting_info);
@@ -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;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-25 04:08:11 +0000