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authorOndrej Zajicek <santiago@crfreenet.org>2007-05-08 07:40:00 (GMT)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 18:15:33 (GMT)
commit34ed25f50b347c7e1ff78f9308e025ddd57c2f20 (patch)
treef6416c654f112c48063ed8071882f50088be3696
parent9a31f0f7679aeaf79c613feaa3f4170741ccb218 (diff)
downloadlinux-34ed25f50b347c7e1ff78f9308e025ddd57c2f20.tar.xz
s3fb: updates
Move s3fb_get_tilemax to svgalib.c as svga_get_tilemax, because it reports limitation of other code from svgalib (svga_settile, svga_tilecopy, ...) Limit font width to 8 pixels in 4 bpp mode. Signed-off-by: Ondrej Zajicek <santiago@crfreenet.org> 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>
-rw-r--r--drivers/video/s3fb.c15
-rw-r--r--drivers/video/svgalib.c6
-rw-r--r--include/linux/svga.h1
3 files changed, 13 insertions, 9 deletions
diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c
index 4d0e204..756fafb 100644
--- a/drivers/video/s3fb.c
+++ b/drivers/video/s3fb.c
@@ -183,18 +183,13 @@ static void s3fb_settile_fast(struct fb_info *info, struct fb_tilemap *map)
}
}
-static int s3fb_get_tilemax(struct fb_info *info)
-{
- return 256;
-}
-
static struct fb_tile_ops s3fb_tile_ops = {
.fb_settile = svga_settile,
.fb_tilecopy = svga_tilecopy,
.fb_tilefill = svga_tilefill,
.fb_tileblit = svga_tileblit,
.fb_tilecursor = svga_tilecursor,
- .fb_get_tilemax = s3fb_get_tilemax,
+ .fb_get_tilemax = svga_get_tilemax,
};
static struct fb_tile_ops s3fb_fast_tile_ops = {
@@ -203,7 +198,7 @@ static struct fb_tile_ops s3fb_fast_tile_ops = {
.fb_tilefill = svga_tilefill,
.fb_tileblit = svga_tileblit,
.fb_tilecursor = svga_tilecursor,
- .fb_get_tilemax = s3fb_get_tilemax,
+ .fb_get_tilemax = svga_get_tilemax,
};
@@ -459,9 +454,10 @@ static int s3fb_set_par(struct fb_info *info)
info->flags &= ~FBINFO_MISC_TILEBLITTING;
info->tileops = NULL;
- /* supports blit rectangles of any dimension */
- info->pixmap.blit_x = ~(u32)0;
+ /* in 4bpp supports 8p wide tiles only, any tiles otherwise */
+ info->pixmap.blit_x = (bpp == 4) ? (1 << (8 - 1)) : (~(u32)0);
info->pixmap.blit_y = ~(u32)0;
+
offset_value = (info->var.xres_virtual * bpp) / 64;
screen_size = info->var.yres_virtual * info->fix.line_length;
} else {
@@ -470,6 +466,7 @@ static int s3fb_set_par(struct fb_info *info)
info->flags |= FBINFO_MISC_TILEBLITTING;
info->tileops = fasttext ? &s3fb_fast_tile_ops : &s3fb_tile_ops;
+
/* supports 8x16 tiles only */
info->pixmap.blit_x = 1 << (8 - 1);
info->pixmap.blit_y = 1 << (16 - 1);
diff --git a/drivers/video/svgalib.c b/drivers/video/svgalib.c
index 7fddc4a..079cdc9 100644
--- a/drivers/video/svgalib.c
+++ b/drivers/video/svgalib.c
@@ -342,6 +342,11 @@ void svga_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor)
vga_wcrt(NULL, 0x0A, cs); /* set cursor start and enable it */
}
+int svga_get_tilemax(struct fb_info *info)
+{
+ return 256;
+}
+
/* ------------------------------------------------------------------------- */
@@ -623,6 +628,7 @@ EXPORT_SYMBOL(svga_tilecopy);
EXPORT_SYMBOL(svga_tilefill);
EXPORT_SYMBOL(svga_tileblit);
EXPORT_SYMBOL(svga_tilecursor);
+EXPORT_SYMBOL(svga_get_tilemax);
EXPORT_SYMBOL(svga_compute_pll);
EXPORT_SYMBOL(svga_check_timings);
diff --git a/include/linux/svga.h b/include/linux/svga.h
index eadb981..e1cc552 100644
--- a/include/linux/svga.h
+++ b/include/linux/svga.h
@@ -112,6 +112,7 @@ void svga_tilecopy(struct fb_info *info, struct fb_tilearea *area);
void svga_tilefill(struct fb_info *info, struct fb_tilerect *rect);
void svga_tileblit(struct fb_info *info, struct fb_tileblit *blit);
void svga_tilecursor(struct fb_info *info, struct fb_tilecursor *cursor);
+int svga_get_tilemax(struct fb_info *info);
int svga_compute_pll(const struct svga_pll *pll, u32 f_wanted, u16 *m, u16 *n, u16 *r, int node);
int svga_check_timings(const struct svga_timing_regs *tm, struct fb_var_screeninfo *var, int node);