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drm/nouveau: Fix fbcon corruption with font width not divisible by 8

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NV50 is nice and has a switch that autoaligns stuff for us. Pre-NV50,
we need to align input bitmap width manually.

Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Marcin Kościelnicki 2010-02-27 18:13:35 +00:00 committed by Ben Skeggs
parent 37000d2757
commit c82b88d578
2 changed files with 4 additions and 4 deletions
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6
drivers/gpu/drm/nouveau/nv04_fbcon.c
View file

@ -118,8 +118,8 @@ nv04_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
return;
}
width = ALIGN(image->width, 32);
dsize = (width * image->height) >> 5;
width = ALIGN(image->width, 8);
dsize = ALIGN(width * image->height, 32) >> 5;
if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
@ -136,8 +136,8 @@ nv04_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
((image->dx + image->width) & 0xffff));
OUT_RING(chan, bg);
OUT_RING(chan, fg);
OUT_RING(chan, (image->height << 16) | image->width);
OUT_RING(chan, (image->height << 16) | width);
OUT_RING(chan, (image->height << 16) | image->width);
OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
while (dsize) {

2
drivers/gpu/drm/nouveau/nv50_fbcon.c
View file

@ -233,7 +233,7 @@ nv50_fbcon_accel_init(struct fb_info *info)
BEGIN_RING(chan, NvSub2D, 0x0808, 3);
OUT_RING(chan, 0);
OUT_RING(chan, 0);
OUT_RING(chan, 0);
OUT_RING(chan, 1);
BEGIN_RING(chan, NvSub2D, 0x081c, 1);
OUT_RING(chan, 1);
BEGIN_RING(chan, NvSub2D, 0x0840, 4);