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Nikolaus Schaller" To: Paul Cercueil , Rob Herring , Mark Rutland , Thomas Bogendoerfer , "H. Nikolaus Schaller" , Geert Uytterhoeven , Kees Cook , "Eric W. Biederman" , Miquel Raynal , David Airlie , Daniel Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jernej Skrabec , Ezequiel Garcia , Harry Wentland , Sam Ravnborg , Maxime Ripard , Hans Verkuil , Liam Girdwood , Mark Brown , Paul Boddie Cc: devicetree@vger.kernel.org, linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org, Jonas Karlman , dri-devel@lists.freedesktop.org Subject: [PATCH v4 05/10] drm/bridge: synopsis: Fix to properly handle HPD Date: Mon, 27 Sep 2021 18:44:23 +0200 Message-Id: X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It appears that dw-hdmi plugin detection is not properly propagated unless we call drm_kms_helper_hotplug_event(). Maybe drm_bridge_hpd_notify should have been setup to call this. Signed-off-by: H. Nikolaus Schaller --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index f082e14320e1..edea04f80576 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -3018,6 +3018,8 @@ static irqreturn_t dw_hdmi_irq(int irq, void *dev_id) if (hdmi->bridge.dev) { drm_helper_hpd_irq_event(hdmi->bridge.dev); drm_bridge_hpd_notify(&hdmi->bridge, status); + + drm_kms_helper_hotplug_event(hdmi->bridge.dev); } } -- 2.31.1