[PATCH 04/34] drm/amd/display: Do not program interrupt status on disabled crtc

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From: Mikita Lipski <mikita.lipski@xxxxxxx>

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 at amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland at 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 4be21bf54749..a910f01838ab 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);
-- 
2.17.0



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