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From 75407f653b619f1830382cde35570dce2142c4b4 Mon Sep 17 00:00:00 2001
From: Mikita Lipski <mikita.lipski@amd.com>
Date: Thu, 3 May 2018 17:08:51 -0400
Subject: [PATCH 4526/5725] drm/amd/display: Do not program interrupt status on
disabled crtc
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>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
index 30bec90..034aa76 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
@@ -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);
--
2.7.4
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