diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2015-10-21 17:22:43 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2015-10-22 14:20:13 +0300 |
| commit | f9e3dc786a585e1ec371c446c62dcc77d0548629 (patch) | |
| tree | 514b4e7e6f42b4571e1149770df072ec24402bf4 /drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c | |
| parent | 606bb5e0b28b540685fb94c22902cd9a948a3779 (diff) | |
drm/i915: add hotplug activation period to hotplug update mask
commit 0706f17c307b056ff6f1848320ba82d76945a6ff
Author: Egbert Eich <eich@suse.de>
Date: Wed Sep 23 16:15:27 2015 +0200
drm/i915: Avoid race of intel_crt_detect_hotplug() with HPD interrupt, v2
added a check with WARN to ensure only bits within the mask are
enabled. Turns out that doesn't hold for G4X, which spits out:
[ 2.641439] ------------[ cut here ]------------
[ 2.641444] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/i915/i915_irq.c:182 i915_hotplug_interrupt_update_locked+0x45/0x83()
[ 2.641446] WARN_ON(bits & ~mask)
etc.
Add CRT_HOTPLUG_ACTIVATION_PERIOD_64 to the mask to fix the warning.
Reported-and-tested-by: Oleksij Rempel <linux@rempel-privat.de>
References: https://bugzilla.kernel.org/show_bug.cgi?id=104991
Fixes: 0706f17c307b ("drm/i915: Avoid race of intel_crt_detect_hotplug() with HPD interrupt, v2")
Cc: Egbert Eich <eich@suse.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1445437363-3030-1-git-send-email-jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c')
0 files changed, 0 insertions, 0 deletions