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 CE27B2113; Tue, 23 Jan 2024 00:24:49 +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=1705969489; cv=none; b=UnWAUUkhvmYzmOWnA4Zsz7TZZmdsIyYl0zWRDNlbU0EJtxC+e7Spw/fi+fq5yIyAMOcgAnw+nP4vNET1w++xL88iEE6FK3lr1ygwQivVnjaGESZ4EQ+OuC9wmaUxTstwxGE6E49oH99LLJ3WY1IsMT3w1z30YBMmsmSdojUEjJI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705969489; c=relaxed/simple; bh=X0c6wRlP1fpqDXU+ge+dyn+dQTo5PeKLlAwTEgq1++M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=M+90ljz8UVr/0FrV+1VYL8gk82c3EKASzkMP+rCCjSXW299BpO//Gs97KCoEBPaF7isU9NfQcfE6ewl18vKMJ70LiaUNFuE7qqYYO7Ycq7J/gMt8glPLvGOfSy4Pa5kUEml0hfk14C+vwv4dMFaPTYoZe7/71oazXHOFDxGPAzs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=akSR4Alh; 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="akSR4Alh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8AC78C43390; Tue, 23 Jan 2024 00:24:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705969489; bh=X0c6wRlP1fpqDXU+ge+dyn+dQTo5PeKLlAwTEgq1++M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=akSR4AlhwWLZoccd+A4I2paCmQLzA8Rku9yCciVu1Ch9A9vhwqxXNplo9/dFiD29M rxrkEnS2/co9zhqEayHzV0fCK75irjwaVyuy7nsWPvtKCMAjn7xrtDmLdgaluC/VYm bWvYRfShLnWfE0o5GzWhYjUuIrzNhE2ui+Pq9PNM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dmitry Baryshkov , Abhinav Kumar , Sasha Levin Subject: [PATCH 6.7 279/641] drm/msm/mdp4: flush vblank event on disable Date: Mon, 22 Jan 2024 15:53:03 -0800 Message-ID: <20240122235826.640794240@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235818.091081209@linuxfoundation.org> References: <20240122235818.091081209@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.7-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dmitry Baryshkov [ Upstream commit c6721b3c6423d8a348ae885a0f4c85e14f9bf85c ] Flush queued events when disabling the crtc. This avoids timeouts when we come back and wait for dependencies (like the previous frame's flip_done). Fixes: c8afe684c95c ("drm/msm: basic KMS driver for snapdragon") Signed-off-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar Patchwork: https://patchwork.freedesktop.org/patch/569127/ Link: https://lore.kernel.org/r/20231127215401.4064128-1-dmitry.baryshkov@linaro.org Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c index 169f9de4a12a..3100957225a7 100644 --- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c @@ -269,6 +269,7 @@ static void mdp4_crtc_atomic_disable(struct drm_crtc *crtc, { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); struct mdp4_kms *mdp4_kms = get_kms(crtc); + unsigned long flags; DBG("%s", mdp4_crtc->name); @@ -281,6 +282,14 @@ static void mdp4_crtc_atomic_disable(struct drm_crtc *crtc, mdp_irq_unregister(&mdp4_kms->base, &mdp4_crtc->err); mdp4_disable(mdp4_kms); + if (crtc->state->event && !crtc->state->active) { + WARN_ON(mdp4_crtc->event); + spin_lock_irqsave(&mdp4_kms->dev->event_lock, flags); + drm_crtc_send_vblank_event(crtc, crtc->state->event); + crtc->state->event = NULL; + spin_unlock_irqrestore(&mdp4_kms->dev->event_lock, flags); + } + mdp4_crtc->enabled = false; } -- 2.43.0