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 A42FF262FD6; Wed, 23 Apr 2025 15:07:51 +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=1745420871; cv=none; b=PwHO1/hze1/ukCFrmapnZns/AjxUDHQWFsOWeogyxLHrj0ZeAL0+akwsN5h78JqdpMfIQB8kGS1JZOxOf2Js90KF4oJiK1qXojR9kh0qJN2bRrKw62e70Efjo0vv3C42tYiG75xmn8Ha7IIl6xP2c+sQbrQukHfkScS50Ja/xz8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745420871; c=relaxed/simple; bh=W+ZyYscZqEgE8yVNCJGBJtVG0bnN8RIGduQXhLU4H5Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Cy/uUKBZ08BEZ8ain3Q4J2/eKXgByVjTcVgypClDUvTPnjTo5tQHPzFwCriwFgStn9+A1BlnUMmDUPpuvDxxSDj0774r4PNQES6bdmwI6SJfNyzki2jqF1PNT2qEJxs/E8i+E51WW/YKqAyXmKP6bAeCGJixGMGZlPyG2JoV0rQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=qn4QBdjP; 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="qn4QBdjP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 36B65C4CEE2; Wed, 23 Apr 2025 15:07:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1745420871; bh=W+ZyYscZqEgE8yVNCJGBJtVG0bnN8RIGduQXhLU4H5Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qn4QBdjPL3XqHZ78KDjlKwlUNCbS5laUC2Pboflj0XSa+y+FsEzOArsdYqynro3x2 ySi3l5jbbos5sWEVPNaW/COSEYCiItlhfuxS9s8LsOHbxDmVzTU/W0OoEzLeQVfS9m p6jo0UuJGOVJTpNeC8vgi/pkmFffYHbDKux/6yJg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Harry Wentland , Leo Li , Aurabindo Pillai , Daniel Wheeler , Alex Deucher Subject: [PATCH 6.12 155/223] drm/amd/display: Actually do immediate vblank disable Date: Wed, 23 Apr 2025 16:43:47 +0200 Message-ID: <20250423142623.488063127@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250423142617.120834124@linuxfoundation.org> References: <20250423142617.120834124@linuxfoundation.org> User-Agent: quilt/0.68 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 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Leo Li commit 704bc361e3a4ead1c0eb40acc255b636b788dc89 upstream. [Why] The `vblank_config.offdelay` field follows the same semantics as the `drm_vblank_offdelay` parameter. Setting it to 0 will never disable vblank. [How] Set `offdelay` to a positive number. Fixes: e45b6716de4b ("drm/amd/display: use a more lax vblank enable policy for DCN35+") Reviewed-by: Harry Wentland Signed-off-by: Leo Li Signed-off-by: Aurabindo Pillai Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -8473,6 +8473,8 @@ static void manage_dm_interrupts(struct config.offdelay_ms = offdelay ?: 30; } else { + /* offdelay_ms = 0 will never disable vblank */ + config.offdelay_ms = 1; config.disable_immediate = true; }