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authorKrzysztof Helt <krzysztof.h1@wp.pl>2007-10-16 01:29:08 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:43:18 -0700
commite7076389f48128b00dd3f33767fb60bd3f5a06a8 (patch)
tree9c76a50342db3ad9eaa2f9dca1ebea6a8719c781 /drivers/video/s3c2410fb.c
parent36f31a7084b8d20ced37afe92238c18ba769cdf3 (diff)
s3c2410fb: make use of default_display settings
This patch changes mode selection to always prefer default mode if possible and always honor type of display set by default mode settings. This patch is required in case the same display modes were defined for different panels (e.g. STN and TFT). Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/s3c2410fb.c')
-rw-r--r--drivers/video/s3c2410fb.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c
index f98e4335f15..ae08d458709 100644
--- a/drivers/video/s3c2410fb.c
+++ b/drivers/video/s3c2410fb.c
@@ -172,19 +172,28 @@ static int s3c2410fb_check_var(struct fb_var_screeninfo *var,
struct s3c2410fb_info *fbi = info->par;
struct s3c2410fb_mach_info *mach_info = fbi->dev->platform_data;
struct s3c2410fb_display *display = NULL;
+ struct s3c2410fb_display *default_display = mach_info->displays +
+ mach_info->default_display;
+ int type = default_display->type;
unsigned i;
dprintk("check_var(var=%p, info=%p)\n", var, info);
/* validate x/y resolution */
-
- for (i = 0; i < mach_info->num_displays; i++)
- if (var->yres == mach_info->displays[i].yres &&
- var->xres == mach_info->displays[i].xres &&
- var->bits_per_pixel == mach_info->displays[i].bpp) {
- display = mach_info->displays + i;
- break;
- }
+ /* choose default mode if possible */
+ if (var->yres == default_display->yres &&
+ var->xres == default_display->xres &&
+ var->bits_per_pixel == default_display->bpp)
+ display = default_display;
+ else
+ for (i = 0; i < mach_info->num_displays; i++)
+ if (type == mach_info->displays[i].type &&
+ var->yres == mach_info->displays[i].yres &&
+ var->xres == mach_info->displays[i].xres &&
+ var->bits_per_pixel == mach_info->displays[i].bpp) {
+ display = mach_info->displays + i;
+ break;
+ }
if (!display) {
dprintk("wrong resolution or depth %dx%d at %d bpp\n",