From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 37AC93624C4; Thu, 15 Jan 2026 16:53:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768496032; cv=none; b=MDrI34cXEAJfIwINRDCU1N0gE6JppUD7LjSE706DwMhS70IwU4+bbDSg7ntww4Nj+OL68u5rdLHn65jpA3eVCTHCkBGxMIzkOKjGig0ktPW/eAMyOW3GqupTqFJ13Q2gOxxqnbO0Y67ul4eIl70YsZb+Zz8wq632JXPZl7xdSPU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768496032; c=relaxed/simple; bh=/ZcsqsvOsCKowyVHm/AjgjqhAMGzhWrJfvJXJxFqwnw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Sze/EzeUxwOXkpEjfUmHLykSyD1pBuXhg4kYji/htGwO3HOw4bgCOnGka8U6Tojj/o8DS/OlpYB88XgeyR9ofN4TsvR1KZ1W6gpzHKVQs9gxwT/zwLu9Gj7fuCq+I9t34kl6EeKG6kq1Fm2f37xicgXmnuOnlEAXC+FoCCFG7Z0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=e0QTBfEq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="e0QTBfEq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B997AC19421; Thu, 15 Jan 2026 16:53:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1768496032; bh=/ZcsqsvOsCKowyVHm/AjgjqhAMGzhWrJfvJXJxFqwnw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e0QTBfEqXChby/JFMeYatNjMsSySPrrFvRRXwUPqGj5K5sEW4nf4PUt5YjqOzGdyl Q/di7Wt9MTF4cP5LbAzaseWJPyld+dQgrMuwf1O4O51e0VNUlEqgcLGS+rYbwQkREa CT9btAWmWLCbXwZMkSoejkRaTxLmumOyHMecbLHw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Tomi Valkeinen , Maxime Ripard , Linus Walleij Subject: [PATCH 6.18 036/181] Revert "drm/mediatek: dsi: Fix DSI host and panel bridge pre-enable order" Date: Thu, 15 Jan 2026 17:46:13 +0100 Message-ID: <20260115164203.632184368@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260115164202.305475649@linuxfoundation.org> References: <20260115164202.305475649@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Tomi Valkeinen commit 33e8150bd32d7dc25c977bb455f1f5d54bfd5241 upstream. This reverts commit f5b1819193667bf62c3c99d3921b9429997a14b2. As the original commit (c9b1150a68d9 ("drm/atomic-helper: Re-order bridge chain pre-enable and post-disable")) causing the issue has been reverted, let's revert the fix for mediatek. Signed-off-by: Tomi Valkeinen Cc: stable@vger.kernel.org # v6.17+ Fixes: c9b1150a68d9 ("drm/atomic-helper: Re-order bridge chain pre-enable and post-disable") Reviewed-by: Maxime Ripard Reviewed-by: Linus Walleij Tested-by: Linus Walleij Signed-off-by: Linus Walleij Link: https://patch.msgid.link/20251205-drm-seq-fix-v1-2-fda68fa1b3de@ideasonboard.com Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/mediatek/mtk_dsi.c | 6 ------ 1 file changed, 6 deletions(-) --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -1002,12 +1002,6 @@ static int mtk_dsi_host_attach(struct mi return PTR_ERR(dsi->next_bridge); } - /* - * set flag to request the DSI host bridge be pre-enabled before device bridge - * in the chain, so the DSI host is ready when the device bridge is pre-enabled - */ - dsi->next_bridge->pre_enable_prev_first = true; - drm_bridge_add(&dsi->bridge); ret = component_add(host->dev, &mtk_dsi_component_ops);