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[23.128.96.18]) by mx.google.com with ESMTP id p9si8382670ejw.670.2020.09.21.07.45.23; Mon, 21 Sep 2020 07:45:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=XYU4jWTz; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728241AbgIUOn1 (ORCPT + 99 others); Mon, 21 Sep 2020 10:43:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:49442 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727871AbgIUOkq (ORCPT ); Mon, 21 Sep 2020 10:40:46 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0EAA423600; Mon, 21 Sep 2020 14:40:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600699245; bh=f3aX4MYAfIoQ64soJl850blFbIAJIx72ZTd4aLXAsUs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XYU4jWTzPTPNsSvtKS550TDxg4aWtnYR1yJgBhh0EekYikv01rqbOyB94Zabn1q+b EXfHGH6P1STINByIhaBy8uvMqm3smYGEZYUAIJj6SCMe/7ucjwxDZGUMM1MUKCQNto nXYU3JwZ9ISWTxKP9R7ecbX53rWWc8oSufgV13qQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jun Lei , Aurabindo Pillai , Alex Deucher , Sasha Levin , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.8 14/20] drm/amd/display: update nv1x stutter latencies Date: Mon, 21 Sep 2020 10:40:21 -0400 Message-Id: <20200921144027.2135390-14-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200921144027.2135390-1-sashal@kernel.org> References: <20200921144027.2135390-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jun Lei [ Upstream commit c4790a8894232f39c25c7c546c06efe074e63384 ] [why] Recent characterization shows increased stutter latencies on some SKUs, leading to underflow. [how] Update SOC params to account for this worst case latency. Signed-off-by: Jun Lei Acked-by: Aurabindo Pillai Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index 2d9055eb3ce92..20bdabebbc434 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -409,8 +409,8 @@ struct _vcs_dpi_soc_bounding_box_st dcn2_0_nv14_soc = { }, }, .num_states = 5, - .sr_exit_time_us = 8.6, - .sr_enter_plus_exit_time_us = 10.9, + .sr_exit_time_us = 11.6, + .sr_enter_plus_exit_time_us = 13.9, .urgent_latency_us = 4.0, .urgent_latency_pixel_data_only_us = 4.0, .urgent_latency_pixel_mixed_with_vm_data_us = 4.0, -- 2.25.1