diff options
| author | Alban Browaeys <[email protected]> | 2012-02-24 17:12:45 +0000 |
|---|---|---|
| committer | Jesse Barnes <[email protected]> | 2012-02-24 09:36:25 -0800 |
| commit | aed3f09db39596e539f90b11a5016aea4d8442e1 (patch) | |
| tree | 62e3645dd8cc2be9f1fb4ca6a168f40d3c3c5898 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | c0e2ee1bc0cf82eec89e26b7afe7e4db0561b7d9 (diff) | |
drm/i915: Prevent a machine hang by checking crtc->active before loading lut
Before loading the lut (gamma), check the active state of intel_crtc,
otherwise at least on gen2 hang ensue.
This is reproducible in Xorg via:
xset dpms force off
then
xgamma -rgamma 2.0 # freeze.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=44505
Signed-off-by: Alban Browaeys <[email protected]>
Signed-off-by: Chris Wilson <[email protected]>
Reviewed-by: Jesse Barnes <[email protected]>
Cc: [email protected]
Signed-off-by: Jesse Barnes <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions