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 C3F0CC433EF for ; Thu, 10 Feb 2022 10:43:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239968AbiBJKnR (ORCPT ); Thu, 10 Feb 2022 05:43:17 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:53738 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239985AbiBJKnP (ORCPT ); Thu, 10 Feb 2022 05:43:15 -0500 Received: from mail-lj1-x233.google.com (mail-lj1-x233.google.com [IPv6:2a00:1450:4864:20::233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB710FE2 for ; Thu, 10 Feb 2022 02:43:16 -0800 (PST) Received: by mail-lj1-x233.google.com with SMTP id n24so4653355ljj.10 for ; Thu, 10 Feb 2022 02:43:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=chq6Chz0KIbchExNB+NjTVI9vDEBpcgZ1ZPLBHdHFFI=; b=qFh4nTtWbZFDBt9sPBtoIOcpQ3d4LOmQzZPy4Y8S07MKRsbAUQ138l2/S1OIZv858J NMT8dvyjCB6/WcfcR8EYgi6Vo9vP3PoHMCEF9Vb+DNrDKvl4igRsvEl5f021I6Uw8T0s wpbPtaCyOT4hcW+k2/PNm0rBFV2zhl0w/SazC6Jwo0QgPd7v/8GZvvvMScw+W73fkt+T pbNJkjUUx4qeedy3n2VL6uPy9yECpBcmQi4PL3aT8j3iYtSySamgewQFN9J9R0jXMe5E 37aKxsKei1URWUBdwSibiOzUmCzA8e6+03cE+Er6kPJE1cLy3koJ2CxUN3WqrH1PStVq iBZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=chq6Chz0KIbchExNB+NjTVI9vDEBpcgZ1ZPLBHdHFFI=; b=dxE30lhFTmKGRbK7MHikc67YqdQt1R0w6lOXObRJ91l/drOP3CGULBokRONXGfibtB ak26tAnVAMFfR7sMmIW8CSPyeBDydqRZ94YHKYvSbe5NeQc7ba5lxmnCEGKQrm/7T5b8 i1VjDyV2YbTaoICgVIeHCQPFPxmuawfjH+KMepJqnxhJuSp852oT17JWzp+0j0Q11OtN CUZXXtJ8LYBb+rUPaQ0DAUL6jU5qvfMvZchvU6dbXpionfLzY2Dw0tfIqsErFxkpNX6s H1uiy5xXecl6lGbg6CJnvtERuCBp2533LBe+2MU7BV9MwizhYWa0PJgc+A5u0jo5PczH ZZ/A== X-Gm-Message-State: AOAM530qGlBFdITd7qIHfbYnylV5O3WD/XgCmM5ybinHQgrHnmwpvMro T0MWJzB3MPyEIUVa621aGFSLDA== X-Google-Smtp-Source: ABdhPJxCwgHQHmzCCi21NWhAsGNPVsNyu3AaeRPwuP/PZFdL53GmHfnLpYeV44gqhdA9pJkYJjD5/A== X-Received: by 2002:a2e:9918:: with SMTP id v24mr4444940lji.230.1644489795039; Thu, 10 Feb 2022 02:43:15 -0800 (PST) Received: from [192.168.1.211] ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id z15sm572064lfd.177.2022.02.10.02.43.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Feb 2022 02:43:14 -0800 (PST) Message-ID: Date: Thu, 10 Feb 2022 13:43:14 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.1 Subject: Re: [REPOST PATCH v4 02/13] drm/msm/dsi: Pass DSC params to drm_panel Content-Language: en-GB To: Vinod Koul , Rob Clark Cc: linux-arm-msm@vger.kernel.org, Bjorn Andersson , David Airlie , Daniel Vetter , Jonathan Marek , Abhinav Kumar , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org References: <20220210103423.271016-1-vkoul@kernel.org> <20220210103423.271016-3-vkoul@kernel.org> From: Dmitry Baryshkov In-Reply-To: <20220210103423.271016-3-vkoul@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 10/02/2022 13:34, Vinod Koul wrote: > When DSC is enabled, we need to pass the DSC parameters to panel driver > as well, so add a dsc parameter in panel and set it when DSC is enabled > > Also, fetch and pass DSC configuration for DSI panels to DPU encoder, > which will enable and configure DSC hardware blocks accordingly. > > Signed-off-by: Dmitry Baryshkov > Signed-off-by: Vinod Koul The patch description is incorrect. We do not pass DSC parameters to the panel driver. Instead we fetch them from the panel. Could you please correct it? > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 2 ++ > drivers/gpu/drm/msm/dsi/dsi.c | 5 +++++ > drivers/gpu/drm/msm/dsi/dsi.h | 1 + > drivers/gpu/drm/msm/dsi/dsi_host.c | 22 ++++++++++++++++++++++ > drivers/gpu/drm/msm/msm_drv.h | 8 ++++++++ > include/drm/drm_panel.h | 7 +++++++ > 6 files changed, 45 insertions(+) > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c > index 47fe11a84a77..ef6ddac22767 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c > @@ -578,6 +578,8 @@ static int _dpu_kms_initialize_dsi(struct drm_device *dev, > MSM_DISPLAY_CAP_CMD_MODE : > MSM_DISPLAY_CAP_VID_MODE; > > + info.dsc = msm_dsi_get_dsc_config(priv->dsi[i]); > + > if (msm_dsi_is_bonded_dsi(priv->dsi[i]) && priv->dsi[other]) { > rc = msm_dsi_modeset_init(priv->dsi[other], dev, encoder); > if (rc) { > diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c > index 052548883d27..3aeac15e7421 100644 > --- a/drivers/gpu/drm/msm/dsi/dsi.c > +++ b/drivers/gpu/drm/msm/dsi/dsi.c > @@ -20,6 +20,11 @@ bool msm_dsi_is_cmd_mode(struct msm_dsi *msm_dsi) > return !(host_flags & MIPI_DSI_MODE_VIDEO); > } > > +struct msm_display_dsc_config *msm_dsi_get_dsc_config(struct msm_dsi *msm_dsi) > +{ > + return msm_dsi_host_get_dsc_config(msm_dsi->host); > +} > + > static int dsi_get_phy(struct msm_dsi *msm_dsi) > { > struct platform_device *pdev = msm_dsi->pdev; > diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h > index c8dedc95428c..16cd9b2fce86 100644 > --- a/drivers/gpu/drm/msm/dsi/dsi.h > +++ b/drivers/gpu/drm/msm/dsi/dsi.h > @@ -152,6 +152,7 @@ int dsi_calc_clk_rate_v2(struct msm_dsi_host *msm_host, bool is_bonded_dsi); > int dsi_calc_clk_rate_6g(struct msm_dsi_host *msm_host, bool is_bonded_dsi); > void msm_dsi_host_snapshot(struct msm_disp_state *disp_state, struct mipi_dsi_host *host); > void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host); > +struct msm_display_dsc_config *msm_dsi_host_get_dsc_config(struct mipi_dsi_host *host); > > /* dsi phy */ > struct msm_dsi_phy; > diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c > index 27553194f9fa..7e9913eff724 100644 > --- a/drivers/gpu/drm/msm/dsi/dsi_host.c > +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c > @@ -2059,9 +2059,24 @@ int msm_dsi_host_modeset_init(struct mipi_dsi_host *host, > { > struct msm_dsi_host *msm_host = to_msm_dsi_host(host); > const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; > + struct drm_panel *panel; > int ret; > > msm_host->dev = dev; > + panel = msm_dsi_host_get_panel(&msm_host->base); > + > + if (panel && panel->dsc) { > + struct msm_display_dsc_config *dsc = msm_host->dsc; > + > + if (!dsc) { > + dsc = devm_kzalloc(&msm_host->pdev->dev, sizeof(*dsc), GFP_KERNEL); > + if (!dsc) > + return -ENOMEM; > + dsc->drm = panel->dsc; > + msm_host->dsc = dsc; > + } > + } > + > ret = cfg_hnd->ops->tx_buf_alloc(msm_host, SZ_4K); > if (ret) { > pr_err("%s: alloc tx gem obj failed, %d\n", __func__, ret); > @@ -2626,3 +2641,10 @@ void msm_dsi_host_test_pattern_en(struct mipi_dsi_host *host) > dsi_write(msm_host, REG_DSI_TEST_PATTERN_GEN_CMD_STREAM0_TRIGGER, > DSI_TEST_PATTERN_GEN_CMD_STREAM0_TRIGGER_SW_TRIGGER); > } > + > +struct msm_display_dsc_config *msm_dsi_host_get_dsc_config(struct mipi_dsi_host *host) > +{ > + struct msm_dsi_host *msm_host = to_msm_dsi_host(host); > + > + return msm_host->dsc; > +} > diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h > index 384f9bad4760..e7a312edfe67 100644 > --- a/drivers/gpu/drm/msm/msm_drv.h > +++ b/drivers/gpu/drm/msm/msm_drv.h > @@ -119,6 +119,7 @@ struct msm_display_topology { > * based on num_of_h_tiles > * @is_te_using_watchdog_timer: Boolean to indicate watchdog TE is > * used instead of panel TE in cmd mode panels > + * @dsc: DSC configuration data for DSC-enabled displays > */ > struct msm_display_info { > int intf_type; > @@ -126,6 +127,7 @@ struct msm_display_info { > uint32_t num_of_h_tiles; > uint32_t h_tile_instance[MAX_H_TILES_PER_DISPLAY]; > bool is_te_using_watchdog_timer; > + struct msm_display_dsc_config *dsc; > }; > > /* Commit/Event thread specific structure */ > @@ -365,6 +367,7 @@ void msm_dsi_snapshot(struct msm_disp_state *disp_state, struct msm_dsi *msm_dsi > bool msm_dsi_is_cmd_mode(struct msm_dsi *msm_dsi); > bool msm_dsi_is_bonded_dsi(struct msm_dsi *msm_dsi); > bool msm_dsi_is_master_dsi(struct msm_dsi *msm_dsi); > +struct msm_display_dsc_config *msm_dsi_get_dsc_config(struct msm_dsi *msm_dsi); > #else > static inline void __init msm_dsi_register(void) > { > @@ -393,6 +396,11 @@ static inline bool msm_dsi_is_master_dsi(struct msm_dsi *msm_dsi) > { > return false; > } > + > +static inline struct msm_display_dsc_config *msm_dsi_get_dsc_config(struct msm_dsi *msm_dsi) > +{ > + return NULL; > +} > #endif > > #ifdef CONFIG_DRM_MSM_DP > diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h > index 4602f833eb51..eb8ae9bf32ed 100644 > --- a/include/drm/drm_panel.h > +++ b/include/drm/drm_panel.h > @@ -171,6 +171,13 @@ struct drm_panel { > * Panel entry in registry. > */ > struct list_head list; > + > + /** > + * @dsc: > + * > + * Panel DSC pps payload to be sent > + */ > + struct drm_dsc_config *dsc; > }; > > void drm_panel_init(struct drm_panel *panel, struct device *dev, -- With best wishes Dmitry