gbefb: Set default of FB_GBE_MEM to 4 MB

From: Martin Michlmayr <[email protected]>

Allocating more than 4 MB memory for the GBE (SGI O2) framebuffer completely breakfs gbefb support at the moment. According to comments on #mipslinux, more than 4 MB has never worked correctly in Linux. Therefore, the default should be 4 MB.

---

 drivers/video/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

index 4da95d8..e31390a 100644
@@ -520,7 +520,7 @@ config FB_GBE
 config FB_GBE_MEM
 	int "Video memory size in MB"
 	depends on FB_GBE
-	default 8
+	default 4
 	help
 	  This is the amount of memory reserved for the framebuffer,
 	  which can be any value between 1MB and 8MB.

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