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linux/drivers/gpu
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Harry Wentland ef1490f71c drm/dp/mst: Calculate MST PBN with 31.32 fixed point 
[ Upstream commit a9ebb3e46c ]

Our PBN value overflows the 20 bits integer part of the 20.12
fixed point. We need to use 31.32 fixed point to avoid this.

This happens with display clocks larger than 293122 (at 24 bpp),
which we see with the Sharp (and similar) 4k tiled displays.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
History 2016-02-15 15:42:41 -05:00
..
drm drm/dp/mst: Calculate MST PBN with 31.32 fixed point 2016-02-15 15:42:41 -05:00
host1x drm/tegra: Make job submission 64-bit safe 2014-08-04 10:07:36 +02:00
ipu-v3 IPUv3 fixes for v3.18 2014-10-07 14:31:14 +10:00
vga Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-13 16:23:15 +02:00
Makefile gpu: ipu-v3: Move i.MX IPUv3 core driver out of staging 2014-06-04 11:06:52 +02:00