[PATCH 2/2] cirrusfb: fix threshold register mask for Laguna chips

[PATCH 2/2] cirrusfb: fix threshold register mask for Laguna chips

[Krzysztof Helt]

From: Krzysztof Helt <krzysztof.h1@wp.pl>

Fix threshold register mask for Laguna chips
otherwise some 8bpp modes are garbled
after selecting a 24bpp mode.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
---
This and the previous patch are for the -mm tree.

 drivers/video/cirrusfb.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c
index 145bad3..6717b49 100644
--- a/drivers/video/cirrusfb.c
+++ b/drivers/video/cirrusfb.c
@@ -873,7 +873,7 @@ static int cirrusfb_set_par_foo(struct fb_info *info)
 		threshold = fb_readw(cinfo->laguna_mmio + 0xea);
 		control &= ~0x6800;
 		format = 0;
-		threshold &= 0xffe0 & 0x3fbf;
+		threshold &= 0xffc0 & 0x3fbf;
 	}
 	if (nom) {
 		tmp = den << 1;
-- 
1.5.2.2



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