Marcin Kościelnicki
2010-Feb-27 18:13 UTC
[Nouveau] [PATCH] drm/nouveau: Fix fbcon corruption with font width not divisible by 8
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 Ko?cielnicki <koriakin at 0x04.net>
---
drivers/gpu/drm/nouveau/nv04_fbcon.c | 6 +++---
drivers/gpu/drm/nouveau/nv50_fbcon.c | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nv04_fbcon.c
b/drivers/gpu/drm/nouveau/nv04_fbcon.c
index 3da90c2..813b25c 100644
--- a/drivers/gpu/drm/nouveau/nv04_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nv04_fbcon.c
@@ -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) {
diff --git a/drivers/gpu/drm/nouveau/nv50_fbcon.c
b/drivers/gpu/drm/nouveau/nv50_fbcon.c
index 993c712..25a3cd8 100644
--- a/drivers/gpu/drm/nouveau/nv50_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nv50_fbcon.c
@@ -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);
--
1.6.4.4