From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Mikita Lipski , Harry Wentland , Alex Deucher , Sasha Levin Subject: [PATCH 4.17 093/336] drm/amd/display: Do not program interrupt status on disabled crtc Date: Wed, 1 Aug 2018 18:47:08 +0200 Message-Id: <20180801165032.730403177@linuxfoundation.org> In-Reply-To: <20180801165028.930831994@linuxfoundation.org> References: <20180801165028.930831994@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mikita Lipski [ Upstream commit 4ea7fc09539bd2399c1fa7acea14529406120d9e ] 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 Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 3 +++ 1 file changed, 3 insertions(+) --- 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 am return 0; } + if (acrtc->otg_inst == -1) + return 0; + irq_source = dal_irq_type + acrtc->otg_inst; st = (state == AMDGPU_IRQ_STATE_ENABLE);