Older frame buffer devices may not fill in var.bits_per_pixel, in which
case it must be calculated by the application.
Signed-off-by: Geert Uytterhoeven <ge...@linux-m68k.org>
---
hw/kdrive/fbdev/fbdev.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/hw/kdrive/fbdev/fbdev.c b/hw/kdrive/fbdev/fbdev.c
index a8d36c6..7b29f42 100644
--- a/hw/kdrive/fbdev/fbdev.c
+++ b/hw/kdrive/fbdev/fbdev.c
@@ -206,6 +206,10 @@ fbdevScreenInitialize(KdScreenInfo * screen, FbdevScrPriv
* scrpriv)
depth = priv->var.bits_per_pixel;
gray = priv->var.grayscale;
+ /* Calculate fix.line_length if it's zero */
+ if (!priv->fix.line_length)
+ priv->fix.line_length = (priv->var.xres_virtual * depth + 7) / 8;
+
switch (priv->fix.visual) {
case FB_VISUAL_PSEUDOCOLOR:
if (gray) {
--
1.7.0.4
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