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Date: Thu, 7 Jul 2022 16:55:05 -0700
From: Stephen Boyd <swboyd@...omium.org>
To: Kuogee Hsieh <quic_khsieh@...cinc.com>, agross@...nel.org,
airlied@...ux.ie, bjorn.andersson@...aro.org, daniel@...ll.ch,
dianders@...omium.org, dmitry.baryshkov@...aro.org,
robdclark@...il.com, sean@...rly.run, vkoul@...nel.org
Cc: quic_abhinavk@...cinc.com, quic_aravindh@...cinc.com,
quic_sbillaka@...cinc.com, freedreno@...ts.freedesktop.org,
dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] drm/msm/dp: make eDP panel as the first connected connector
Quoting Kuogee Hsieh (2022-07-06 12:32:08)
> Some userspace presumes that the first connected connector is the main
> display, where it's supposed to display e.g. the login screen. For
> laptops, this should be the main panel.
>
> This patch call drm_helper_move_panel_connectors_to_head() after
> drm_bridge_connector_init() to make sure eDP stay at head of
> connected connector list. This fixes unexpected corruption happen
> at eDP panel if eDP is not placed at head of connected connector
> list.
>
> Changes in v2:
> -- move drm_helper_move_panel_connectors_to_head() to
> dpu_kms_drm_obj_init()
>
> Changes in v4:
> -- move drm_helper_move_panel_connectors_to_head() to msm_drm_init()
>
> Signed-off-by: Kuogee Hsieh <quic_khsieh@...cinc.com>
> ---
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
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