From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 081F2C77B7D for ; Mon, 15 May 2023 17:02:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243396AbjEORCq (ORCPT ); Mon, 15 May 2023 13:02:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41104 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243366AbjEORCU (ORCPT ); Mon, 15 May 2023 13:02:20 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B8A82901B for ; Mon, 15 May 2023 10:00:24 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 85BF462A87 for ; Mon, 15 May 2023 17:00:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8507BC4339C; Mon, 15 May 2023 17:00:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684170024; bh=9El609+Nibho81bobFPB1/SB183PIIVPQUPL50EmM54=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rvX5Y84UbdSl08pxLhOFXkCJll/XEdtTrXWnhhPnq5upBGSZPhadsDwMVeI9cRptt QIsSDMxDTpbomRVCsYGF1FDx2Kn4wuYR879aP7OwSmlrA/i4fKlFrGKjXjWw5DM8E3 yQEA5+vJjk9dE+nx3yqyoQWBzyveHnApi0QHy0Vo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jun Lei , Qingqing Zhuo , Nicholas Kazlauskas , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 6.3 221/246] drm/amd/display: Add minimum Z8 residency debug option Date: Mon, 15 May 2023 18:27:13 +0200 Message-Id: <20230515161729.223087980@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161722.610123835@linuxfoundation.org> References: <20230515161722.610123835@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Nicholas Kazlauskas [ Upstream commit 0db13eae41fcc67f408dbb3dfda59633c4fa03fb ] [Why] Allows finer control and tuning for debug and profiling. [How] Add the debug option into DC. The default remains the same as before for now. Reviewed-by: Jun Lei Acked-by: Qingqing Zhuo Signed-off-by: Nicholas Kazlauskas Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Stable-dep-of: d893f39320e1 ("drm/amd/display: Lowering min Z8 residency time") Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dc.h | 1 + drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 1 + drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c | 3 ++- 3 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 84caf1f6b9e0e..3fb868f2f6f5b 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -795,6 +795,7 @@ struct dc_debug_options { unsigned int force_odm_combine; //bit vector based on otg inst unsigned int seamless_boot_odm_combine; unsigned int force_odm_combine_4to1; //bit vector based on otg inst + int minimum_z8_residency_time; bool disable_z9_mpc; unsigned int force_fclk_khz; bool enable_tri_buf; diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c index 9ffba4c6fe550..5c23c934c9751 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -887,6 +887,7 @@ static const struct dc_plane_cap plane_cap = { static const struct dc_debug_options debug_defaults_drv = { .disable_z10 = false, .enable_z9_disable_interface = true, + .minimum_z8_residency_time = 1000, .psr_skip_crtc_disable = true, .disable_dmcu = true, .force_abm_enable = false, diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c index d3ba65efe1d2e..f3cfc144e3587 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c @@ -973,7 +973,8 @@ static enum dcn_zstate_support_state decide_zstate_support(struct dc *dc, struc else if (context->stream_count == 1 && context->streams[0]->signal == SIGNAL_TYPE_EDP) { struct dc_link *link = context->streams[0]->sink->link; struct dc_stream_status *stream_status = &context->stream_status[0]; - bool allow_z8 = context->bw_ctx.dml.vba.StutterPeriod > 1000.0; + int minmum_z8_residency = dc->debug.minimum_z8_residency_time > 0 ? dc->debug.minimum_z8_residency_time : 1000; + bool allow_z8 = context->bw_ctx.dml.vba.StutterPeriod > (double)minmum_z8_residency; bool is_pwrseq0 = link->link_index == 0; if (dc_extended_blank_supported(dc)) { -- 2.39.2