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[PATCH] atyfb: Remove unneeded calls to wait_for_idle 

The drawing functions of atyfb is unecessary syncing the GPU which is
affecting performance.  Remove the calls, any direct access by fbcon to the
framebuffer will always be preceeded by a call to atyfb_sync().

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Antonino A. Daplas 2006-06-26 00:26:31 -07:00 committed by Linus Torvalds
parent 72c24cc51a
commit 58221097a8
1 changed files with 0 additions and 10 deletions
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10
drivers/video/aty/mach64_accel.c
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@ -200,8 +200,6 @@ void atyfb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
if (!area->width || !area->height)
return;
if (!par->accel_flags) {
if (par->blitter_may_be_busy)
wait_for_idle(par);
cfb_copyarea(info, area);
return;
}
@ -248,8 +246,6 @@ void atyfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
if (!rect->width || !rect->height)
return;
if (!par->accel_flags) {
if (par->blitter_may_be_busy)
wait_for_idle(par);
cfb_fillrect(info, rect);
return;
}
@ -288,14 +284,10 @@ void atyfb_imageblit(struct fb_info *info, const struct fb_image *image)
return;
if (!par->accel_flags ||
(image->depth != 1 && info->var.bits_per_pixel != image->depth)) {
if (par->blitter_may_be_busy)
wait_for_idle(par);
cfb_imageblit(info, image);
return;
}
wait_for_idle(par);
pix_width = pix_width_save = aty_ld_le32(DP_PIX_WIDTH, par);
host_cntl = aty_ld_le32(HOST_CNTL, par) | HOST_BYTE_ALIGN;
@ -425,8 +417,6 @@ void atyfb_imageblit(struct fb_info *info, const struct fb_image *image)
}
}
wait_for_idle(par);
/* restore pix_width */
wait_for_fifo(1, par);
aty_st_le32(DP_PIX_WIDTH, pix_width_save, par);