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-rw-r--r--drivers/video/via/hw.c30
-rw-r--r--drivers/video/via/viafbdev.c61
2 files changed, 56 insertions, 35 deletions
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index ed8d78a35b2..47d9024d7c3 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 bb0f616b7d4..bd8db75236a 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;