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[PATCH] atyfb: Remove unneeded calls to wait_for_idle

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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

10
drivers/video/aty/mach64_accel.c
View file

@ -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);