From: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
To: Jessica Zhang <jessica.zhang@oss.qualcomm.com>
Cc: Rob Clark <robin.clark@oss.qualcomm.com>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Dmitry Baryshkov <lumag@kernel.org>, Sean Paul <sean@poorly.run>,
Marijn Suijten <marijn.suijten@somainline.org>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Yongxing Mou <quic_yongmou@quicinc.com>,
Abhinav Kumar <quic_abhinavk@quicinc.com>
Subject: Re: [PATCH 04/19] drm/msm/dp: replace ST_DISPLAY_OFF with power_on in msm_dp_hpd_unplug_handle()
Date: Mon, 14 Jul 2025 15:27:18 +0300 [thread overview]
Message-ID: <rmlgjr3fzb7dmnwmthf5bj67wb6fkcksmn3ouchzsvhhgxiv7h@vwcieejcufr7> (raw)
In-Reply-To: <20250711-hpd-refactor-v1-4-33cbac823f34@oss.qualcomm.com>
On Fri, Jul 11, 2025 at 05:58:09PM -0700, Jessica Zhang wrote:
> From: Abhinav Kumar <quic_abhinavk@quicinc.com>
>
> msm_dp_hpd_unplug_handle() checks if the display was already disabled and
> if so does not transition to ST_DISCONNECT_PENDING state and goes directly
> to ST_DISCONNECTED. The same result can be achieved with the !power_on
> check.
>
> Replace ST_DISPLAY_OFF with !power_on to achieve the same outcome.
>
> Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
> Signed-off-by: Jessica Zhang <jessica.zhang@oss.qualcomm.com>
> ---
> Note: Taken from https://patchwork.freedesktop.org/series/142010/
> ---
> drivers/gpu/drm/msm/dp/dp_display.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Please squash all state-related patches into a single one. It would make
it easier to review and more logical.
--
With best wishes
Dmitry
next prev parent reply other threads:[~2025-07-14 12:27 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-12 0:58 [PATCH 00/19] drm/msm/dp: Drop the HPD state machine Jessica Zhang
2025-07-12 0:58 ` [PATCH 01/19] drm/msm/dp: Track when DP is physically plugged in Jessica Zhang
2025-07-14 11:42 ` Dmitry Baryshkov
2025-07-12 0:58 ` [PATCH 02/19] drm/msm/dp: remove redundant checks related to ST_DISPLAY_OFF in plug/irq_ipd handlers Jessica Zhang
2025-07-12 0:58 ` [PATCH 03/19] drm/msm/dp: Return early from atomic_enable() if cable is not connected Jessica Zhang
2025-07-14 11:47 ` Dmitry Baryshkov
2025-07-12 0:58 ` [PATCH 04/19] drm/msm/dp: replace ST_DISPLAY_OFF with power_on in msm_dp_hpd_unplug_handle() Jessica Zhang
2025-07-14 12:27 ` Dmitry Baryshkov [this message]
2025-07-14 20:38 ` Jessica Zhang
2025-07-14 22:28 ` Dmitry Baryshkov
2025-07-14 20:47 ` Jessica Zhang
2025-07-12 0:58 ` [PATCH 05/19] drm/msm/dp: Replace ST_MAINLINK_READY with link_ready in plug/hpd_irq handlers Jessica Zhang
2025-07-12 0:58 ` [PATCH 06/19] drm/msm/dp: Replace ST_DISCONNECTED with checks for connected Jessica Zhang
2025-07-12 0:58 ` [PATCH 07/19] drm/msm/dp: Rework unplug handling Jessica Zhang
2025-07-12 0:58 ` [PATCH 08/19] drm/msm/dp: Don't delay plug-in handling when ST_DISCONNECT_PENDING Jessica Zhang
2025-07-12 0:58 ` [PATCH 09/19] drm/msm/dp: Replace ST_DISPLAY_OFF with power_on in atomic_enable() Jessica Zhang
2025-07-12 0:58 ` [PATCH 10/19] drm/msm/dp: Check if DP is disconnected in atomic post_disable() Jessica Zhang
2025-07-12 0:58 ` [PATCH 11/19] drm/msm/dp: remove ST_DISPLAY_OFF as a hpd_state Jessica Zhang
2025-07-12 0:58 ` [PATCH 12/19] drm/msm/dp: Drop ST_MAINLINK_READY hpd_state Jessica Zhang
2025-07-12 0:58 ` [PATCH 13/19] drm/msm/dp: Drop ST_DISCONNECTED Jessica Zhang
2025-07-12 0:58 ` [PATCH 14/19] drm/msm/dp: Drop ST_CONNECTED Jessica Zhang
2025-07-12 0:58 ` [PATCH 15/19] drm/msm/dp: Drop ST_DISCONNECT_PENDING Jessica Zhang
2025-07-12 0:58 ` [PATCH 16/19] drm/msm/dp: Drop hpd_state from msm_dp Jessica Zhang
2025-07-12 0:58 ` [PATCH 17/19] drm/msm/dp: Use drm_bridge_hpd_notify() Jessica Zhang
2025-07-14 12:25 ` Dmitry Baryshkov
2025-07-12 0:58 ` [PATCH 18/19] drm/msm/dp: Move link training to atomic_enable() Jessica Zhang
2025-07-14 11:54 ` Dmitry Baryshkov
2025-08-01 23:58 ` Jessica Zhang
2025-08-02 10:18 ` Dmitry Baryshkov
2025-07-12 0:58 ` [PATCH 19/19] drm/msm/dp: Log connected and link_ready for event handling Jessica Zhang
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