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 Kościelnicki <koriakin@0x04.net>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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 3da90c2c4e63..813b25cec726 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 993c7126fbde..25a3cd8794f9 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);