diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-06-07 12:22:15 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-06-07 12:22:15 +0200 |
commit | 5f4457a4f62cc9d78e04c0eb12ff0540899aad89 (patch) | |
tree | 0b973d527ea6b2ae31e08da0746b4965a3c5a6d8 /drivers/video/uvesafb.c | |
parent | 9b94b3a19b13e094c10f65f24bc358f6ffe4eacd (diff) | |
parent | b87297fb405ef13cac375f202d114323b076a56d (diff) |
Merge branch 'linus' into x86/cpu
Diffstat (limited to 'drivers/video/uvesafb.c')
-rw-r--r-- | drivers/video/uvesafb.c | 35 |
1 files changed, 10 insertions, 25 deletions
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c index 0b370aebdbf..421770b5e6a 100644 --- a/drivers/video/uvesafb.c +++ b/drivers/video/uvesafb.c @@ -55,6 +55,7 @@ static u16 maxvf __devinitdata; /* maximum vertical frequency */ static u16 maxhf __devinitdata; /* maximum horizontal frequency */ static u16 vbemode __devinitdata; /* force use of a specific VBE mode */ static char *mode_option __devinitdata; +static u8 dac_width = 6; static struct uvesafb_ktask *uvfb_tasks[UVESAFB_TASKS_MAX]; static DEFINE_MUTEX(uvfb_lock); @@ -303,22 +304,10 @@ static void uvesafb_setup_var(struct fb_var_screeninfo *var, var->blue.offset = 0; var->transp.offset = 0; - /* - * We're assuming that we can switch the DAC to 8 bits. If - * this proves to be incorrect, we'll update the fields - * later in set_par(). - */ - if (par->vbe_ib.capabilities & VBE_CAP_CAN_SWITCH_DAC) { - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - var->transp.length = 0; - } else { - var->red.length = 6; - var->green.length = 6; - var->blue.length = 6; - var->transp.length = 0; - } + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->transp.length = 0; } } @@ -1006,7 +995,7 @@ static int uvesafb_setcolreg(unsigned regno, unsigned red, unsigned green, struct fb_info *info) { struct uvesafb_pal_entry entry; - int shift = 16 - info->var.green.length; + int shift = 16 - dac_width; int err = 0; if (regno >= info->cmap.len) @@ -1055,7 +1044,7 @@ static int uvesafb_setcolreg(unsigned regno, unsigned red, unsigned green, static int uvesafb_setcmap(struct fb_cmap *cmap, struct fb_info *info) { struct uvesafb_pal_entry *entries; - int shift = 16 - info->var.green.length; + int shift = 16 - dac_width; int i, err = 0; if (info->var.bits_per_pixel == 8) { @@ -1317,13 +1306,9 @@ setmode: err = uvesafb_exec(task); if (err || (task->t.regs.eax & 0xffff) != 0x004f || ((task->t.regs.ebx & 0xff00) >> 8) != 8) { - /* - * We've failed to set the DAC palette format - - * time to correct var. - */ - info->var.red.length = 6; - info->var.green.length = 6; - info->var.blue.length = 6; + dac_width = 6; + } else { + dac_width = 8; } } |