Fix colors for Mach64

Use the same color-calculating algorithm as in atyfb_imageblit in this
driver or in generic cfb_fillrect.

This patch fixes bad colors when using an accelerator in 15-bit and
16-bit modes.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/video/aty/mach64_accel.c b/drivers/video/aty/mach64_accel.c
index 51fcc0a2c94a..e45833ce975b 100644
--- a/drivers/video/aty/mach64_accel.c
+++ b/drivers/video/aty/mach64_accel.c
@@ -242,7 +242,7 @@ void atyfb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
 void atyfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
 {
         struct atyfb_par *par = (struct atyfb_par *) info->par;
-        u32 color = rect->color, dx = rect->dx, width = rect->width, rotation = 0;
+        u32 color, dx = rect->dx, width = rect->width, rotation = 0;
 
         if (par->asleep)
                 return;
@@ -253,8 +253,11 @@ void atyfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
                 return;
         }
 
-        color |= (rect->color << 8);
-        color |= (rect->color << 16);
+        if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
+            info->fix.visual == FB_VISUAL_DIRECTCOLOR)
+                color = ((u32 *)(info->pseudo_palette))[rect->color];
+        else
+                color = rect->color;
 
         if (info->var.bits_per_pixel == 24) {
                 /* In 24 bpp, the engine is in 8 bpp - this requires that all */