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drm/amd/display: Do not program interrupt status on disabled crtc

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Prevent interrupt programming of a crtc on which the stream is disabled and
it doesn't have an OTG to reference.

Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mikita Lipski 2018-05-03 17:08:51 -04:00 committed by Alex Deucher
parent 0b19fdc45f
commit 4ea7fc0953
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
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@ -555,6 +555,9 @@ static inline int dm_irq_state(struct amdgpu_device *adev,
return 0;
}
if (acrtc->otg_inst == -1)
return 0;
irq_source = dal_irq_type + acrtc->otg_inst;
st = (state == AMDGPU_IRQ_STATE_ENABLE);