[PATCH 05/20] s3fb: updates
DORMANTno replies
From: "Antonino A. Daplas" <adaplas@gmail.com>
Date: 2007-05-05 15:30:26
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
From: Ondrej Zajicek <redacted> 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 <redacted> Signed-off-by: Antonino Daplas <adaplas@gmail.com> --- drivers/video/s3fb.c | 15 ++++++--------- drivers/video/svgalib.c | 6 ++++++ include/linux/svga.h | 1 + 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_ } } -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 .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->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->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 *inf 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, 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); -------------------------------------------------------------------------
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