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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A949BE9A740 for ; Tue, 24 Mar 2026 09:12:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1B9CA10E638; Tue, 24 Mar 2026 09:12:43 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="RuQ9pHtj"; dkim-atps=neutral Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5A8E110E3DA; Mon, 23 Mar 2026 13:04:05 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 25AD7444F0; Mon, 23 Mar 2026 13:04:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 74659C4CEF7; Mon, 23 Mar 2026 13:04:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1774271045; bh=w34m24tQgIZi+3zHGzmbpJ9scCfQ3MPw1ejuYPEz5+s=; h=Subject:To:Cc:From:Date:In-Reply-To:From; b=RuQ9pHtjfRD7Lsj/vxqrYmhjdbRGeDOetrRV2GE1LU6CVye3WDINB7Re3mXxsIaar 7t77eQ7Tw0k6q9xGJA0zJP87Exq3ccI3lYgvBTTW5HCXnwJ861zbp58mfsZrXshPka eqej9t+hyRBRMpc2BuPElXvWTKom9R3McZZheh2U= Subject: Patch "drm/amd/display: Add pixel_clock to amd_pp_display_configuration" has been added to the 6.1-stable tree To: Jun.Ma2@amd.com, Rodrigo.Siqueira@amd.com, Roman.Li@amd.com, Wayne.Lin@amd.com, Xinhui.Pan@amd.com, Zhigang.Luo@amd.com, airlied@gmail.com, alex.hung@amd.com, alexander.deucher@amd.com, amd-gfx@lists.freedesktop.org, christian.koenig@amd.com, daniel@ffwll.ch, decce6@proton.me, dri-devel@lists.freedesktop.org, evan.quan@amd.com, gregkh@linuxfoundation.org, harry.wentland@amd.com, hersenxs.wu@amd.com, lijo.lazar@amd.com, mario.limonciello@amd.com, ray.wu@amd.com, rosenp@gmail.com, sashal@kernel.org, spasswolf@web.de, srinivasan.shanmugam@amd.com, sunpeng.li@amd.com, superm1@kernel.org, timur.kristof@gmail.com, vulab@iscas.ac.cn Cc: From: Date: Mon, 23 Mar 2026 14:03:37 +0100 In-Reply-To: <20260321054453.19683-4-rosenp@gmail.com> Message-ID: <2026032336-ahead-overuse-5fd1@gregkh> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-stable: commit X-Patchwork-Hint: ignore X-Mailman-Approved-At: Tue, 24 Mar 2026 09:12:40 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" This is a note to let you know that I've just added the patch titled drm/amd/display: Add pixel_clock to amd_pp_display_configuration to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amd-display-add-pixel_clock-to-amd_pp_display_configuration.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >From rosenp@gmail.com Sat Mar 21 06:45:19 2026 From: Rosen Penev Date: Fri, 20 Mar 2026 22:44:52 -0700 Subject: drm/amd/display: Add pixel_clock to amd_pp_display_configuration To: stable@vger.kernel.org Cc: "Alex Deucher" , "Christian König" , "Pan, Xinhui" , "David Airlie" , "Daniel Vetter" , "Harry Wentland" , "Leo Li" , "Rodrigo Siqueira" , "Evan Quan" , "Mario Limonciello" , "Sasha Levin" , "Rosen Penev" , "Lijo Lazar" , "Ma Jun" , "Greg Kroah-Hartman" , "Srinivasan Shanmugam" , "Mario Limonciello (AMD)" , "Zhigang Luo" , "Bert Karwatzki" , "Ray Wu" , "Wayne Lin" , "Roman Li" , "Hersen Wu" , "Timur Kristóf" , "Alex Hung" , decce6 , "Went ao Liang" , amd-gfx@lists.freedesktop.org (open list:RADEON and AMDGPU DRM DRIVERS), dri-devel@lists.freedesktop.org (open list:DRM DRIVERS), linux-kernel@vger.kernel.org (open list) Message-ID: <20260321054453.19683-4-rosenp@gmail.com> From: Timur Kristóf [ Upstream commit b515dcb0dc4e85d8254f5459cfb32fce88dacbfb ] This commit adds the pixel_clock field to the display config struct so that power management (DPM) can use it. We currently don't have a proper bandwidth calculation on old GPUs with DCE 6-10 because dce_calcs only supports DCE 11+. So the power management (DPM) on these GPUs may need to make ad-hoc decisions for display based on the pixel clock. Also rename sym_clock to pixel_clock in dm_pp_single_disp_config to avoid confusion with other code where the sym_clock refers to the DisplayPort symbol clock. Signed-off-by: Timur Kristóf Signed-off-by: Alex Deucher Signed-off-by: Rosen Penev Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c | 1 + drivers/gpu/drm/amd/display/dc/clk_mgr/dce110/dce110_clk_mgr.c | 2 +- drivers/gpu/drm/amd/display/dc/dm_services_types.h | 2 +- drivers/gpu/drm/amd/include/dm_pp_interface.h | 1 + 4 files changed, 4 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c @@ -97,6 +97,7 @@ bool dm_pp_apply_display_requirements( const struct dm_pp_single_disp_config *dc_cfg = &pp_display_cfg->disp_configs[i]; adev->pm.pm_display_cfg.displays[i].controller_id = dc_cfg->pipe_idx + 1; + adev->pm.pm_display_cfg.displays[i].pixel_clock = dc_cfg->pixel_clock; } amdgpu_dpm_display_configuration_change(adev, &adev->pm.pm_display_cfg); --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce110/dce110_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce110/dce110_clk_mgr.c @@ -164,7 +164,7 @@ void dce110_fill_display_configs( stream->link->cur_link_settings.link_rate; cfg->link_settings.link_spread = stream->link->cur_link_settings.link_spread; - cfg->sym_clock = stream->phy_pix_clk; + cfg->pixel_clock = stream->phy_pix_clk; /* Round v_refresh*/ cfg->v_refresh = stream->timing.pix_clk_100hz * 100; cfg->v_refresh /= stream->timing.h_total; --- a/drivers/gpu/drm/amd/display/dc/dm_services_types.h +++ b/drivers/gpu/drm/amd/display/dc/dm_services_types.h @@ -127,7 +127,7 @@ struct dm_pp_single_disp_config { uint32_t src_height; uint32_t src_width; uint32_t v_refresh; - uint32_t sym_clock; /* HDMI only */ + uint32_t pixel_clock; /* Pixel clock in KHz (for HDMI only: normalized) */ struct dc_link_settings link_settings; /* DP only */ }; --- a/drivers/gpu/drm/amd/include/dm_pp_interface.h +++ b/drivers/gpu/drm/amd/include/dm_pp_interface.h @@ -66,6 +66,7 @@ struct single_display_configuration uint32_t view_resolution_cy; enum amd_pp_display_config_type displayconfigtype; uint32_t vertical_refresh; /* for active display */ + uint32_t pixel_clock; /* Pixel clock in KHz (for HDMI only: normalized) */ }; #define MAX_NUM_DISPLAY 32 Patches currently in stable-queue which might be from rosenp@gmail.com are queue-6.1/drm-amdgpu-clarify-dc-checks.patch queue-6.1/drm-amd-pm-use-pm_display_cfg-in-legacy-dpm-v2.patch queue-6.1/drm-amdgpu-use-proper-dc-check-in-amdgpu_display_supported_domains.patch queue-6.1/drm-amd-display-add-pixel_clock-to-amd_pp_display_configuration.patch