Nico Huber merged this change.

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gma i2c: Increase timeout to >100ms

At least on the ThinkPad X200s with an oddly strapped (and unused)
HDMI1, the GMBUS controller doesn't detect the NAK properly and only
times out after around 100ms.

Change-Id: I48c2ef94e1449a98a35af6912c43156e4ed08206
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/libgfxinit/+/32729
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
---
M common/hw-gfx-gma-i2c.adb
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/hw-gfx-gma-i2c.adb b/common/hw-gfx-gma-i2c.adb
index fe26f1c..bc81734 100644
--- a/common/hw-gfx-gma-i2c.adb
+++ b/common/hw-gfx-gma-i2c.adb
@@ -225,7 +225,7 @@
             Registers.Wait_Set_Mask
               (Register => GMBUS_Regs (2),
                Mask     => GMBUS2_HARDWARE_READY,
-               TOut_MS  => 55);
+               TOut_MS  => 110);
 
             Registers.Read (GMBUS_Regs (2), GMBUS2);
             Success :=  (GMBUS2 and GMBUS2_HARDWARE_READY) /= 0 and

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