diff options
| author |   Antonino A. Daplas <adaplas@gmail.com> | 2007-05-08 00:39:39 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:15:32 -0700 |
| commit | 56c7554938e5945b770365e326f0c3d031ca231f (patch) | |
| tree | b26f422832971b67e1e4573cffdbe7f9e7fd9936 /drivers/video/s3fb.c | |
| parent | fbdev: fbcon: check if mode can handle new screen (diff) | |
| download | linux-dev-56c7554938e5945b770365e326f0c3d031ca231f.tar.xz linux-dev-56c7554938e5945b770365e326f0c3d031ca231f.zip | |
s3fb: implement fb_get_caps
Implement fb_get_caps(). This will allow the driver to tell upper layer that
it can only support 256 8x16 bitmaps when in tileblitting mode
(var->bits_per_pixel == 0);
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/s3fb.c')
| -rw-r--r-- | drivers/video/s3fb.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c index dfa717b5b63a..4d0e204dd8ad 100644 --- a/drivers/video/s3fb.c +++ b/drivers/video/s3fb.c @@ -799,6 +799,23 @@ static int s3fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) return 0; } +/* Get capabilities of accelerator based on the mode */ + +static void s3fb_get_caps(struct fb_info *info, struct fb_blit_caps *caps, + struct fb_var_screeninfo *var) +{ + if (var->bits_per_pixel == 0) { + /* can only support 256 8x16 bitmap */ + caps->x = 1 << (8 - 1); + caps->y = 1 << (16 - 1); + caps->len = 256; + } else { + caps->x = ~(u32)0; + caps->y = ~(u32)0; + caps->len = ~(u32)0; + } +} + /* ------------------------------------------------------------------------- */ /* Frame buffer operations */ @@ -815,6 +832,7 @@ static struct fb_ops s3fb_ops = { .fb_fillrect = s3fb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = s3fb_imageblit, + .fb_get_caps = s3fb_get_caps, }; /* ------------------------------------------------------------------------- */ |