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 X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90466C47404 for ; Fri, 11 Oct 2019 06:21:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6424821D56 for ; Fri, 11 Oct 2019 06:21:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727261AbfJKGV4 (ORCPT ); Fri, 11 Oct 2019 02:21:56 -0400 Received: from regular1.263xmail.com ([211.150.70.205]:57576 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726401AbfJKGV4 (ORCPT ); Fri, 11 Oct 2019 02:21:56 -0400 Received: from localhost (unknown [192.168.167.13]) by regular1.263xmail.com (Postfix) with ESMTP id AA6E6501; Fri, 11 Oct 2019 14:21:40 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-ANTISPAM-LEVEL: 2 X-SKE-CHECKED: 1 X-ABS-CHECKED: 1 Received: from [172.16.10.69] (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P1498T139875987117824S1570774899902158_; Fri, 11 Oct 2019 14:21:41 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <05d49b8d9eedd73368abb06786516ead> X-RL-SENDER: hjc@rock-chips.com X-SENDER: hjc@rock-chips.com X-LOGIN-NAME: hjc@rock-chips.com X-FST-TO: ben.davis@arm.com X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 Subject: Re: [PATCH v2 4/4] drm/komeda: Adds gamma and color-transform support for DOU-IPS To: "james qian wang (Arm Technology China)" , Liviu Dudau , "airlied@linux.ie" , Brian Starkey , "maarten.lankhorst@linux.intel.com" , "sean@poorly.run" , "imirkin@alum.mit.edu" Cc: nd , Ayan Halder , "Oscar Zhang (Arm Technology China)" , "Tiannan Zhu (Arm Technology China)" , Mihail Atanassov , "Jonathan Chai (Arm Technology China)" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "Julien Yin (Arm Technology China)" , "Channing Chen (Arm Technology China)" , "Yiqi Kang (Arm Technology China)" , "Thomas Sun (Arm Technology China)" , "Lowry Li (Arm Technology China)" , Ben Davis References: <20191011054240.17782-1-james.qian.wang@arm.com> <20191011054240.17782-5-james.qian.wang@arm.com> From: "sandy.huang" Message-ID: <08492df8-11d9-c580-94f6-7868602c12c3@rock-chips.com> Date: Fri, 11 Oct 2019 14:21:39 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20191011054240.17782-5-james.qian.wang@arm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2019/10/11 下午1:43, james qian wang (Arm Technology China) 写道: > From: "Lowry Li (Arm Technology China)" > > Adds gamma and color-transform support for DOU-IPS. > Adds two caps members fgamma_coeffs and ctm_coeffs to komeda_improc_state. > If color management changed, set gamma and color-transform accordingly. > > Signed-off-by: Lowry Li (Arm Technology China) > --- > .../arm/display/komeda/d71/d71_component.c | 24 +++++++++++++++++++ > .../gpu/drm/arm/display/komeda/komeda_crtc.c | 2 ++ > .../drm/arm/display/komeda/komeda_pipeline.h | 3 +++ > .../display/komeda/komeda_pipeline_state.c | 6 +++++ > 4 files changed, 35 insertions(+) > > diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c > index c3d29c0b051b..e7e5a8e4430e 100644 > --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c > +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c > @@ -942,15 +942,39 @@ static int d71_merger_init(struct d71_dev *d71, > static void d71_improc_update(struct komeda_component *c, > struct komeda_component_state *state) > { > + struct drm_crtc_state *crtc_st = state->crtc->state; > struct komeda_improc_state *st = to_improc_st(state); > + struct d71_pipeline *pipe = to_d71_pipeline(c->pipeline); > u32 __iomem *reg = c->reg; > u32 index; > + u32 mask = 0, ctrl = 0; > > for_each_changed_input(state, index) > malidp_write32(reg, BLK_INPUT_ID0 + index * 4, > to_d71_input_id(state, index)); > > malidp_write32(reg, BLK_SIZE, HV_SIZE(st->hsize, st->vsize)); > + > + if (crtc_st->color_mgmt_changed) { > + mask |= IPS_CTRL_FT | IPS_CTRL_RGB; > + > + if (crtc_st->gamma_lut) { > + malidp_write_group(pipe->dou_ft_coeff_addr, FT_COEFF0, > + KOMEDA_N_GAMMA_COEFFS, > + st->fgamma_coeffs); > + ctrl |= IPS_CTRL_FT; /* enable gamma */ > + } > + > + if (crtc_st->ctm) { > + malidp_write_group(reg, IPS_RGB_RGB_COEFF0, > + KOMEDA_N_CTM_COEFFS, > + st->ctm_coeffs); > + ctrl |= IPS_CTRL_RGB; /* enable gamut */ > + } > + } > + > + if (mask) > + malidp_write32_mask(reg, BLK_CONTROL, mask, ctrl); > } There is no need or no method to disable/bypass the gamma and gamut? > > static void d71_improc_dump(struct komeda_component *c, struct seq_file *sf) > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c > index 9beeda04818b..406b9d0ca058 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c > @@ -590,6 +590,8 @@ static int komeda_crtc_add(struct komeda_kms_dev *kms, > > crtc->port = kcrtc->master->of_output_port; > > + drm_crtc_enable_color_mgmt(crtc, 0, true, KOMEDA_COLOR_LUT_SIZE); > + > return err; > } > > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h > index b322f52ba8f2..c5ab8096c85d 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h > @@ -11,6 +11,7 @@ > #include > #include > #include "malidp_utils.h" > +#include "komeda_color_mgmt.h" > > #define KOMEDA_MAX_PIPELINES 2 > #define KOMEDA_PIPELINE_MAX_LAYERS 4 > @@ -324,6 +325,8 @@ struct komeda_improc { > struct komeda_improc_state { > struct komeda_component_state base; > u16 hsize, vsize; > + u32 fgamma_coeffs[KOMEDA_N_GAMMA_COEFFS]; > + u32 ctm_coeffs[KOMEDA_N_CTM_COEFFS]; > }; > > /* display timing controller */ > diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c > index 0ba9c6aa3708..4a40b37eb1a6 100644 > --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c > +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c > @@ -756,6 +756,12 @@ komeda_improc_validate(struct komeda_improc *improc, > st->hsize = dflow->in_w; > st->vsize = dflow->in_h; > > + if (kcrtc_st->base.color_mgmt_changed) { > + drm_lut_to_fgamma_coeffs(kcrtc_st->base.gamma_lut, > + st->fgamma_coeffs); > + drm_ctm_to_coeffs(kcrtc_st->base.ctm, st->ctm_coeffs); > + } > + > komeda_component_add_input(&st->base, &dflow->input, 0); > komeda_component_set_output(&dflow->input, &improc->base, 0); >