From: Stephen Boyd <swboyd@chromium.org> To: Rob Clark <robdclark@gmail.com>, Abhinav Kumar <quic_abhinavk@quicinc.com>, Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Cc: linux-kernel@vger.kernel.org, patches@lists.linux.dev, Sean Paul <sean@poorly.run>, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Vinod Polimera <quic_vpolimer@quicinc.com>, Kuogee Hsieh <quic_khsieh@quicinc.com> Subject: [PATCH 2/2] drm/msm/dp: Remove error message when downstream port not connected Date: Wed, 6 Sep 2023 11:12:26 -0700 [thread overview] Message-ID: <20230906181226.2198441-3-swboyd@chromium.org> (raw) In-Reply-To: <20230906181226.2198441-1-swboyd@chromium.org> Plugging in an Apple dongle without the HDMI cable attached prints out an error message in the kernel logs when nothing is actually wrong. no downstream ports connected This is because the downstream port for the HDMI connector is not connected, so the Apple dongle reports that as a zero sink count device. Cc: Vinod Polimera <quic_vpolimer@quicinc.com> Cc: Kuogee Hsieh <quic_khsieh@quicinc.com> Signed-off-by: Stephen Boyd <swboyd@chromium.org> --- drivers/gpu/drm/msm/dp/dp_panel.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c index 97ba41593820..ae778e1a6fd0 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.c +++ b/drivers/gpu/drm/msm/dp/dp_panel.c @@ -156,7 +156,6 @@ int dp_panel_read_sink_caps(struct dp_panel *dp_panel, if (drm_dp_is_branch(dp_panel->dpcd)) { count = drm_dp_read_sink_count(panel->aux); if (!count) { - DRM_ERROR("no downstream ports connected\n"); panel->link->sink_count = 0; return -ENOTCONN; } -- https://chromeos.dev
WARNING: multiple messages have this Message-ID (diff)
From: Stephen Boyd <swboyd@chromium.org> To: Rob Clark <robdclark@gmail.com>, Abhinav Kumar <quic_abhinavk@quicinc.com>, Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Cc: Sean Paul <sean@poorly.run>, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Vinod Polimera <quic_vpolimer@quicinc.com>, patches@lists.linux.dev, Kuogee Hsieh <quic_khsieh@quicinc.com>, freedreno@lists.freedesktop.org Subject: [PATCH 2/2] drm/msm/dp: Remove error message when downstream port not connected Date: Wed, 6 Sep 2023 11:12:26 -0700 [thread overview] Message-ID: <20230906181226.2198441-3-swboyd@chromium.org> (raw) In-Reply-To: <20230906181226.2198441-1-swboyd@chromium.org> Plugging in an Apple dongle without the HDMI cable attached prints out an error message in the kernel logs when nothing is actually wrong. no downstream ports connected This is because the downstream port for the HDMI connector is not connected, so the Apple dongle reports that as a zero sink count device. Cc: Vinod Polimera <quic_vpolimer@quicinc.com> Cc: Kuogee Hsieh <quic_khsieh@quicinc.com> Signed-off-by: Stephen Boyd <swboyd@chromium.org> --- drivers/gpu/drm/msm/dp/dp_panel.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c index 97ba41593820..ae778e1a6fd0 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.c +++ b/drivers/gpu/drm/msm/dp/dp_panel.c @@ -156,7 +156,6 @@ int dp_panel_read_sink_caps(struct dp_panel *dp_panel, if (drm_dp_is_branch(dp_panel->dpcd)) { count = drm_dp_read_sink_count(panel->aux); if (!count) { - DRM_ERROR("no downstream ports connected\n"); panel->link->sink_count = 0; return -ENOTCONN; } -- https://chromeos.dev
next prev parent reply other threads:[~2023-09-06 18:12 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-09-06 18:12 [PATCH 0/2] drm/msm/dp: More DPCD cleanups Stephen Boyd 2023-09-06 18:12 ` Stephen Boyd 2023-09-06 18:12 ` [PATCH 1/2] drm/msm/dp: Inline dp_display_is_sink_count_zero() Stephen Boyd 2023-09-06 18:12 ` Stephen Boyd 2023-10-05 22:41 ` Dmitry Baryshkov 2023-10-05 22:41 ` Dmitry Baryshkov 2023-09-06 18:12 ` Stephen Boyd [this message] 2023-09-06 18:12 ` [PATCH 2/2] drm/msm/dp: Remove error message when downstream port not connected Stephen Boyd 2023-10-05 22:42 ` Dmitry Baryshkov 2023-10-05 22:42 ` Dmitry Baryshkov 2023-10-08 14:01 ` [PATCH 0/2] drm/msm/dp: More DPCD cleanups Dmitry Baryshkov 2023-10-08 14:01 ` Dmitry Baryshkov
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