mirror_ubuntu-kernels/drivers/gpu/drm/amd/display
Aric Cyr 185082b679 drm/amd/display: Fix potential integer wraparound resulting in a hang
[Why]
If VUPDATE_END is before VUPDATE_START the delay calculated can become
very large, causing a soft hang.

[How]
Take the absolute value of the difference between START and END.

Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-05-27 18:42:10 -04:00
..
amdgpu_dm drm/amd/display: drop cursor position check in atomic test 2020-05-27 18:42:10 -04:00
dc drm/amd/display: Fix potential integer wraparound resulting in a hang 2020-05-27 18:42:10 -04:00
dmub drm/amd/display: Add struct field for future use 2020-05-05 13:12:40 -04:00
include drm/amd/display: query hdcp capability during link detect 2020-04-09 10:43:17 -04:00
modules drm/amd/display: correct rn NUM_VMID 2020-05-21 12:48:43 -04:00
Kconfig drm: amd/display: fix Kconfig help text 2020-04-23 15:06:41 -04:00
Makefile drm/amd/display: Drop CONFIG_DRM_AMD_DC_DMUB guards 2019-11-13 15:29:42 -05:00
TODO drm/amd/display: Convert remaining loggers off dc_logger 2018-07-13 14:48:42 -05:00