[Nouveau] [PATCH] drm/nouveau: Fix fbcon corruption with font width not divisible by 8

[Marcin Kościelnicki]

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 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