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authorNico Huber <nico.huber@secunet.com>2018-03-29 15:11:10 +0200
committerPatrick Georgi <pgeorgi@google.com>2018-04-06 06:45:38 +0000
commit06c8c0d1fed29f488fda1c7d3bc13a7edfed1be3 (patch)
tree26a37d7d4f88753538de6d9e1cdedc0e0e0713e7 /src/drivers/intel
parent1dd7a11ec4853b39e81f861414c113c886ed7774 (diff)
downloadcoreboot-06c8c0d1fed29f488fda1c7d3bc13a7edfed1be3.tar.xz
drivers/intel/gma: Amend stride calculation of linear fb
Aligning the stride up to a multiple of 64 pixels was flawed: We want to actually align up to one cacheline (64 bytes) as that's the mini- mum what the hardware supports. Change-Id: I3f824ffd7d12835935e4e4bde29fe82dc3e16f9d Signed-off-by: Nico Huber <nico.huber@secunet.com> Reviewed-on: https://review.coreboot.org/25451 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Diffstat (limited to 'src/drivers/intel')
-rw-r--r--src/drivers/intel/gma/hires_fb/gma.adb2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/drivers/intel/gma/hires_fb/gma.adb b/src/drivers/intel/gma/hires_fb/gma.adb
index b1168acd4d..086da9b80f 100644
--- a/src/drivers/intel/gma/hires_fb/gma.adb
+++ b/src/drivers/intel/gma/hires_fb/gma.adb
@@ -83,7 +83,7 @@ is
(Width => Width_Type (min_h),
Height => Height_Type (min_v),
BPC => 8,
- Stride => ((Width_Type (min_h) + 63) / 64) * 64,
+ Stride => Div_Round_Up (Width_Type (min_h), 16) * 16,
Offset => 0);
for i in Pipe_Index loop
exit when configs (i).Port = Disabled;