On Fri, 17 Aug 2018, Mikulas Patocka wrote:
> There's console font corruption when using the mach64 driver in 24bpp > mode. > > In 24bpp mode, the mach64 accelerator is set up for 8-bpp mode (with > horizontal width and stride multiplied by 3). In this mode, the > accelerator can't even possibly support color expansion. Consquently, we > have to use an unaccelerated function cfb_imageblit for color expansion. > > Signed-off-by: Mikulas Patocka <[email protected]> > Cc: [email protected] Self-nack for this patch. I've sent further patches that fix the display corruption without disabling the accelerator. Mikulas > --- > drivers/video/fbdev/aty/mach64_accel.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > Index: linux-stable/drivers/video/fbdev/aty/mach64_accel.c > =================================================================== > --- linux-stable.orig/drivers/video/fbdev/aty/mach64_accel.c 2018-04-20 > 18:11:01.000000000 +0200 > +++ linux-stable/drivers/video/fbdev/aty/mach64_accel.c 2018-08-13 > 17:37:04.000000000 +0200 > @@ -291,7 +291,8 @@ void atyfb_imageblit(struct fb_info *inf > if (!image->width || !image->height) > return; > if (!par->accel_flags || > - (image->depth != 1 && info->var.bits_per_pixel != image->depth)) { > + (image->depth != 1 && info->var.bits_per_pixel != image->depth) || > + (image->depth == 1 && info->var.bits_per_pixel == 24)) { > cfb_imageblit(info, image); > return; > } > _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
