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Message-ID: <b70a4d1d-f98f-4169-942c-cb9006a42b40@kuruczgy.com>
Date: Fri, 30 Aug 2024 19:36:32 +0200
From: György Kurucz <me@...uczgy.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Rob Clark <robdclark@...il.com>, Abhinav Kumar <quic_abhinavk@...cinc.com>,
Sean Paul <sean@...rly.run>, Marijn Suijten <marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
Jeykumar Sankaran <jsanka@...eaurora.org>, stable@...r.kernel.org,
Leonard Lausen <leonard@...sen.nl>
Subject: Re: [v2,1/2] drm/msm/dpu1: don't choke on disabling the writeback
connector
Dear Dmitry,
For context, I have a Lenovo Yoga Slim 7x laptop, and was having issues
with the display staying black after sleep. As a workaround, I could
switch to a different VT and back.
> [ 1185.831970] [dpu error]connector not connected 3
I can confirm that I was seeing this exact error message as well.
> if (!conn_state || !conn_state->connector) {
> DPU_ERROR("invalid connector state\n");
> return -EINVAL;
> - } else if (conn_state->connector->status != connector_status_connected) {
> - DPU_ERROR("connector not connected %d\n", conn_state->connector->status);
> - return -EINVAL;
> }
>
> crtc = conn_state->crtc;
After applying this patch, the screen now resumes successfully, and the
errors are gone.
(For future reference, I am using this kernel:
https://github.com/jhovold/linux/commits/wip/x1e80100-6.11-rc5/, commit
cc2cb95cc77fec43edd407c993122085fa8c2dd7.)
Tested-by: György Kurucz <me@...uczgy.com>
Best regards,
György
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