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[2001:14ba:a073:af00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-3923f2e3237sm1638651fa.3.2026.04.27.14.52.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Apr 2026 14:52:36 -0700 (PDT) Date: Tue, 28 Apr 2026 00:52:34 +0300 From: Dmitry Baryshkov To: Cristian Ciocaltea Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sandy Huang , Heiko =?utf-8?Q?St=C3=BCbner?= , Andy Yan , kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: Re: [PATCH v5 03/10] drm/bridge-connector: Use cached connector status in .get_modes() Message-ID: <4zvprx4mytr22ylibmoj2rsrjzkrnnuumucohodrl75cwntxcj@5wixqw74n6cs> References: <20260426-dw-hdmi-qp-scramb-v5-0-d778e70c317b@collabora.com> <20260426-dw-hdmi-qp-scramb-v5-3-d778e70c317b@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260426-dw-hdmi-qp-scramb-v5-3-d778e70c317b@collabora.com> X-Authority-Analysis: v=2.4 cv=YcWNIQRf c=1 sm=1 tr=0 ts=69efdaa8 cx=c_pps a=P2rfLEam3zuxRRdjJWA2cw==:117 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=QX4gbG5DAAAA:8 a=EUspDBNiAAAA:8 a=ANRcj1VhA4TbxNHgoT0A:9 a=CjuIK1q_8ugA:10 a=ODZdjJIeia2B_SHc_B0f:22 a=AbAUZ8qAyYyZVLSsDulk:22 X-Proofpoint-GUID: VzRE5beGND-N0caZ7ALGMvV2JHJBIEGz X-Proofpoint-ORIG-GUID: VzRE5beGND-N0caZ7ALGMvV2JHJBIEGz X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI3MDIzMSBTYWx0ZWRfXxEv3wQbdBa+c DzM0ekOfZ/Jddre0+ydkd7sersB0D+IcTDEsOVsJL7T/h0cnQIgPD4Wjp6BzARbueLhx6ZWU5G3 QCixCfM3tndxjnOAAzN9kUYXrXsyTbeLAUUpLF/kdTb6s7zcxpKJ3nNyifF/DEC4ue3fIBhG6pX O+0Xm4CtBjZoUzXKcKQvGFCnDrjP/TjE9GPzCNWXFEmou32qglpZWsTyXnOhU9DESw2dZ6/0wak rUdrLBxrQkuWevCxE/xsu15E9WReKc8HpRsqX28TU2Ve+pOCAodpkB6cXtWoKwnF5B+PHnDNwLf 0HG9t1eHtuaz8SDSWPP09vwvzhv45BpXu0H6A5ZeAnDhe2BkpKdHwAkWRkoVqlG3trDPodfXXnw 2dRtB9w6UMk13F/Fw4AZnbvrqTJUuJocyHkhx1V01MlswBCEpmNyOS6ByGBzMAfhgAhVZ8jerEu wyFfU3+F7H07jgLJyWA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-27_04,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 clxscore=1015 spamscore=0 malwarescore=0 adultscore=0 impostorscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604270231 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Sun, Apr 26, 2026 at 03:20:15AM +0300, Cristian Ciocaltea wrote: > Replace the active drm_bridge_connector_detect() call in get_modes() > with a read of the already-cached connector->status. > > The .get_modes() callback is only invoked from > drm_helper_probe_single_connector_modes(), which has already retrieved > the connector status. Calling detect again is redundant and triggers a > duplicate hotplug event. This is also a prerequisite for switching to > the .detect_ctx() hook, which requires a drm_modeset_acquire_ctx not > available in the .get_modes() path. > > Signed-off-by: Cristian Ciocaltea > --- > drivers/gpu/drm/display/drm_bridge_connector.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > Reviewed-by: Dmitry Baryshkov -- With best wishes Dmitry