diff options
Diffstat (limited to 'drivers/video/via')
-rw-r--r-- | drivers/video/via/hw.c | 30 | ||||
-rw-r--r-- | drivers/video/via/viafbdev.c | 61 |
2 files changed, 56 insertions, 35 deletions
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c index ed8d78a35b29..47d9024d7c30 100644 --- a/drivers/video/via/hw.c +++ b/drivers/video/via/hw.c @@ -2622,36 +2622,6 @@ void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh, } crt_reg = crt_timing[index].crtc; - switch (var->bits_per_pixel) { - case 8: - var->red.offset = 0; - var->green.offset = 0; - var->blue.offset = 0; - var->red.length = 6; - var->green.length = 6; - var->blue.length = 6; - break; - case 16: - var->red.offset = 11; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 6; - var->blue.length = 5; - break; - case 32: - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - break; - default: - /* never happed, put here to keep consistent */ - break; - } - var->pixclock = viafb_get_pixclock(var->xres, var->yres, refresh); var->left_margin = crt_reg.hor_total - (crt_reg.hor_sync_start + crt_reg.hor_sync_end); diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c index bb0f616b7d44..bd8db75236ab 100644 --- a/drivers/video/via/viafbdev.c +++ b/drivers/video/via/viafbdev.c @@ -60,6 +60,47 @@ static int viafb_pan_display(struct fb_var_screeninfo *var, static struct fb_ops viafb_ops; +static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth) +{ + var->grayscale = 0; + var->red.msb_right = 0; + var->green.msb_right = 0; + var->blue.msb_right = 0; + var->transp.offset = 0; + var->transp.length = 0; + var->transp.msb_right = 0; + var->nonstd = 0; + switch (depth) { + case 8: + var->bits_per_pixel = 8; + var->red.offset = 0; + var->green.offset = 0; + var->blue.offset = 0; + var->red.length = 6; + var->green.length = 6; + var->blue.length = 6; + break; + case 16: + var->bits_per_pixel = 16; + var->red.offset = 11; + var->green.offset = 5; + var->blue.offset = 0; + var->red.length = 5; + var->green.length = 6; + var->blue.length = 5; + break; + case 24: + var->bits_per_pixel = 32; + var->red.offset = 16; + var->green.offset = 8; + var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + break; + } +} + static void viafb_update_fix(struct fb_info *info) { u32 bpp = info->var.bits_per_pixel; @@ -81,6 +122,7 @@ static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix, fix->type = FB_TYPE_PACKED_PIXELS; fix->type_aux = 0; + fix->visual = FB_VISUAL_TRUECOLOR; fix->xpanstep = fix->ywrapstep = 0; fix->ypanstep = 1; @@ -103,7 +145,7 @@ static int viafb_release(struct fb_info *info, int user) static int viafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { - int htotal, vtotal; + int htotal, vtotal, depth; struct VideoModeTable *vmode_entry; struct viafb_par *ppar = info->par; u32 long_refresh; @@ -122,13 +164,22 @@ static int viafb_check_var(struct fb_var_screeninfo *var, return -EINVAL; } - if (24 == var->bits_per_pixel) - var->bits_per_pixel = 32; + depth = fb_get_color_depth(var, &info->fix); + if (!depth) + depth = var->bits_per_pixel; - if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 && - var->bits_per_pixel != 32) + if (depth < 0 || depth > 32) return -EINVAL; + else if (!depth) + depth = 24; + else if (depth <= 8) + depth = 8; + else if (depth <= 16) + depth = 16; + else + depth = 24; + viafb_fill_var_color_info(var, depth); if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F) /*32 pixel alignment */ var->xres_virtual = (var->xres_virtual + 31) & ~31; |