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path: root/drivers/video/svgalib.c
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Diffstat (limited to 'drivers/video/svgalib.c')
-rw-r--r--drivers/video/svgalib.c47
1 files changed, 31 insertions, 16 deletions
diff --git a/drivers/video/svgalib.c b/drivers/video/svgalib.c
index 25df928d37d..9c710670157 100644
--- a/drivers/video/svgalib.c
+++ b/drivers/video/svgalib.c
@@ -598,9 +598,11 @@ void svga_set_timings(const struct svga_timing_regs *tm, struct fb_var_screeninf
/* ------------------------------------------------------------------------- */
-int svga_match_format(const struct svga_fb_format *frm, struct fb_var_screeninfo *var, struct fb_fix_screeninfo *fix)
+static inline int match_format(const struct svga_fb_format *frm,
+ struct fb_var_screeninfo *var)
{
int i = 0;
+ int stored = -EINVAL;
while (frm->bits_per_pixel != SVGA_FORMAT_END_VAL)
{
@@ -609,25 +611,38 @@ int svga_match_format(const struct svga_fb_format *frm, struct fb_var_screeninfo
(var->green.length <= frm->green.length) &&
(var->blue.length <= frm->blue.length) &&
(var->transp.length <= frm->transp.length) &&
- (var->nonstd == frm->nonstd)) {
- var->bits_per_pixel = frm->bits_per_pixel;
- var->red = frm->red;
- var->green = frm->green;
- var->blue = frm->blue;
- var->transp = frm->transp;
- var->nonstd = frm->nonstd;
- if (fix != NULL) {
- fix->type = frm->type;
- fix->type_aux = frm->type_aux;
- fix->visual = frm->visual;
- fix->xpanstep = frm->xpanstep;
- }
+ (var->nonstd == frm->nonstd))
return i;
- }
+ if (var->bits_per_pixel == frm->bits_per_pixel)
+ stored = i;
i++;
frm++;
}
- return -EINVAL;
+ return stored;
+}
+
+int svga_match_format(const struct svga_fb_format *frm,
+ struct fb_var_screeninfo *var,
+ struct fb_fix_screeninfo *fix)
+{
+ int i = match_format(frm, var);
+
+ if (i >= 0) {
+ var->bits_per_pixel = frm[i].bits_per_pixel;
+ var->red = frm[i].red;
+ var->green = frm[i].green;
+ var->blue = frm[i].blue;
+ var->transp = frm[i].transp;
+ var->nonstd = frm[i].nonstd;
+ if (fix != NULL) {
+ fix->type = frm[i].type;
+ fix->type_aux = frm[i].type_aux;
+ fix->visual = frm[i].visual;
+ fix->xpanstep = frm[i].xpanstep;
+ }
+ }
+
+ return i;
}