From nobody Mon Feb 9 19:55:18 2026 Received: from unicom146.biz-email.net (unicom146.biz-email.net [210.51.26.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7E06241AAC for ; Mon, 20 Oct 2025 01:31:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.51.26.146 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760923911; cv=none; b=Awjn6Y8JVsL3xbb8SATQnGnUNO1Hw9YGnPaWJ2c9jrw59AxqlY26taUKDoBEtyYMOJqJMH4R3g+CHfU7QEPBs348/MbS5LAUwBL69+6VfK7erhuO8R5nKzDAtVJt52EJ9r2NZyAqPib4cxe6XpERMzuCzw6LUyIBpY8XCoTo4uE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760923911; c=relaxed/simple; bh=qu60w27mAWi99XYIwPGmRHPKOVsU9dm/CBNvL9wBxRc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=oZ4jmoUs50OTXQrnEKuyKv7UxTtngntJrKaiAxbRMyaJ1Xeihc1nbCs0noSDiIldZ9MyBj5AmGMxRbYgBDmNKp0lM4MmpFI+GTg8g3ofEryolSrme8KNTEe7KZrdAcoRtw0Qg7snk5dSaeRinaDU5HFLUszGba4c8kB8hgVGJvc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=inspur.com; spf=pass smtp.mailfrom=inspur.com; arc=none smtp.client-ip=210.51.26.146 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=inspur.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=inspur.com Received: from Jtjnmail201615.home.langchao.com by unicom146.biz-email.net ((D)) with ASMTP (SSL) id 202510200931350950; Mon, 20 Oct 2025 09:31:35 +0800 Received: from jtjnmailAR01.home.langchao.com (10.100.2.42) by Jtjnmail201615.home.langchao.com (10.100.2.15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.58; Mon, 20 Oct 2025 09:31:35 +0800 Received: from inspur.com (10.100.2.112) by jtjnmailAR01.home.langchao.com (10.100.2.42) with Microsoft SMTP Server id 15.1.2507.58 via Frontend Transport; Mon, 20 Oct 2025 09:31:35 +0800 Received: from localhost.localdomain.com (unknown [10.94.6.246]) by app8 (Coremail) with SMTP id cAJkCsDweM_xkPVonp8FAA--.3685S5; Mon, 20 Oct 2025 09:31:35 +0800 (CST) From: Chu Guangqing To: , , , , , , CC: , , Chu Guangqing Subject: [PATCH v2 1/1] drm/sti: hdmi: call drm_edid_connector_update when edid is NULL Date: Mon, 20 Oct 2025 09:30:39 +0800 Message-ID: <20251020013039.1800-2-chuguangqing@inspur.com> X-Mailer: git-send-email 2.43.7 In-Reply-To: <20251020013039.1800-1-chuguangqing@inspur.com> References: <20251020013039.1800-1-chuguangqing@inspur.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: cAJkCsDweM_xkPVonp8FAA--.3685S5 X-Coremail-Antispam: 1UD129KBjvdXoW7Xw1ktw1UtF4DuFWrGFW8Xrb_yoW3Arg_WF y8WrsxXrsIkr92yw129r45ZF9avayruFWkWrn3t34xtr47XrW5G3yqgFyjva17Xr47tF9x K3ZagFy5ZrZ3WjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbmAFF20E14v26ryj6rWUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUGwA2048vs2IY02 0Ec7CjxVAFwI0_JFI_Gr1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW0oVCq3wA2z4 x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS0I0E 0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67 AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48I cxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2kIc2xKxw CY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCF54CYxVCY1x0262kKe7AKxVWU tVW8ZwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E74 80Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0 I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04 k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7Cj xVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUqkskUUUUU= X-CM-SenderInfo: 5fkxw35dqj1xlqj6x0hvsx2hhfrp/ X-CM-DELIVERINFO: =?B?SuPnyZRRTeOiUs3aOqHZ50hzsfHKF9Ds6CbXmDm38RucXu3DYXJR7Zlh9zE0nt/Iac D+KRKcCvnU13bfTavh8qDh7wpVeTP1+UOyPMuJaEqgFRzKPJ3x6eximEcQXY3QjC6OBhQE uc4sWHR35ub3F0GruH4= tUid: 202510200931356bf3cea568d6eba256712eab3259955b X-Abuse-Reports-To: service@corp-email.com Abuse-Reports-To: service@corp-email.com X-Complaints-To: service@corp-email.com X-Report-Abuse-To: service@corp-email.com Content-Type: text/plain; charset="utf-8" call drm_edid_connector_update to reset the information when edid is NULL. We can see the following comments in drm_edid.c If EDID is NULL, reset the information. Signed-off-by: Chu Guangqing Acked-by: Raphael Gallais-Pou --- drivers/gpu/drm/sti/sti_hdmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index 4e7c3d78b2b9..e0be1be8bcdd 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -1008,7 +1008,7 @@ static int sti_hdmi_connector_get_modes(struct drm_co= nnector *connector) return count; =20 fail: - DRM_ERROR("Can't read HDMI EDID\n"); + drm_edid_connector_update(connector, NULL); return 0; } =20 --=20 2.43.7