[PATCH driver/vesa] Ask BIOS about the current DAC depth

[Egbert Eich]

xf86HandleColormaps() needs to know the RAMDAC depth.
Ask BIOS about its current value if BIOS has indicated
that RAMDAC supports 8-bit.

Signed-off-by: Egbert Eich <eich at freedesktop.org>
---
 src/vesa.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/vesa.c b/src/vesa.c
index 8de1983..93b4909 100644
--- a/src/vesa.c
+++ b/src/vesa.c
@@ -1096,7 +1096,8 @@ VESAScreenInit(SCREEN_INIT_ARGS_DECL)
     flags = CMAP_RELOAD_ON_MODE_SWITCH;
 
     if(!xf86HandleColormaps(pScreen, 256,
-	pVesa->vbeInfo->Capabilities[0] & 0x01 ? 8 : 6,
+			    (pVesa->vbeInfo->Capabilities[0] & 0x01 
+			     && VBESetGetDACPaletteFormat(pVesa->pVbe, 0) == 8) ? 8 : 6,
 	VESALoadPalette, NULL, flags))
 	return (FALSE);
 
-- 
1.8.1.4