diff options
| author | Krzysztof Helt <krzysztof.h1@wp.pl> | 2009-04-01 02:25:47 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-01 19:59:34 +0400 |
| commit | 2f682fae611df642acfb99b5f2fd665f001cd253 (patch) | |
| tree | 7cfb73ff951b0963438159a82e38c50f51c57770 /drivers | |
| parent | 84d9077b3391e6966813e380e63b57f53e58e120 (diff) | |
| download | linux-2f682fae611df642acfb99b5f2fd665f001cd253.tar.xz | |
atyfb: speed up Mach64 cursor
Save one fifo entry on cursor enabling and disabling.
Save another fifo entry for FB_CUR_SETPOS operation by removing redundant one.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/aty/mach64_cursor.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/video/aty/mach64_cursor.c b/drivers/video/aty/mach64_cursor.c index faf95da8fcbc..04c710804bb0 100644 --- a/drivers/video/aty/mach64_cursor.c +++ b/drivers/video/aty/mach64_cursor.c @@ -77,9 +77,13 @@ static int atyfb_cursor(struct fb_info *info, struct fb_cursor *cursor) if (par->asleep) return -EPERM; - /* Hide cursor */ wait_for_fifo(1, par); - aty_st_le32(GEN_TEST_CNTL, aty_ld_le32(GEN_TEST_CNTL, par) & ~HWCURSOR_ENABLE, par); + if (cursor->enable) + aty_st_le32(GEN_TEST_CNTL, aty_ld_le32(GEN_TEST_CNTL, par) + | HWCURSOR_ENABLE, par); + else + aty_st_le32(GEN_TEST_CNTL, aty_ld_le32(GEN_TEST_CNTL, par) + & ~HWCURSOR_ENABLE, par); /* set position */ if (cursor->set & FB_CUR_SETPOS) { @@ -109,7 +113,7 @@ static int atyfb_cursor(struct fb_info *info, struct fb_cursor *cursor) y<<=1; h<<=1; } - wait_for_fifo(4, par); + wait_for_fifo(3, par); aty_st_le32(CUR_OFFSET, (info->fix.smem_len >> 3) + (yoff << 1), par); aty_st_le32(CUR_HORZ_VERT_OFF, ((u32) (64 - h + yoff) << 16) | xoff, par); @@ -177,11 +181,6 @@ static int atyfb_cursor(struct fb_info *info, struct fb_cursor *cursor) } } - if (cursor->enable) { - wait_for_fifo(1, par); - aty_st_le32(GEN_TEST_CNTL, aty_ld_le32(GEN_TEST_CNTL, par) - | HWCURSOR_ENABLE, par); - } return 0; } |