From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:56632 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751345AbeCLPlN (ORCPT ); Mon, 12 Mar 2018 11:41:13 -0400 Subject: Patch "drm/amd/powerplay/vega10: allow mclk switching with no displays" has been added to the 4.14-stable tree To: alexander.deucher@amd.com, JinhuiEric.Huang@amd.com, gregkh@linuxfoundation.org Cc: , From: Date: Mon, 12 Mar 2018 16:40:49 +0100 Message-ID: <152086924925236@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled drm/amd/powerplay/vega10: allow mclk switching with no displays to the 4.14-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-powerplay-vega10-allow-mclk-switching-with-no-displays.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 5825acf5c958a6820b04e9811caeb2f5e572bcd8 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 13 Feb 2018 14:25:11 -0500 Subject: drm/amd/powerplay/vega10: allow mclk switching with no displays From: Alex Deucher commit 5825acf5c958a6820b04e9811caeb2f5e572bcd8 upstream. If there are no displays attached, there is no reason to disable mclk switching. Fixes mclks getting set to high when there are no displays attached. Reviewed-by: Eric Huang Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -3243,10 +3243,13 @@ static int vega10_apply_state_adjust_rul force_mclk_high = phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ForceMclkHigh); - disable_mclk_switching = (info.display_count > 1) || - disable_mclk_switching_for_frame_lock || - disable_mclk_switching_for_vr || - force_mclk_high; + if (info.display_count == 0) + disable_mclk_switching = false; + else + disable_mclk_switching = (info.display_count > 1) || + disable_mclk_switching_for_frame_lock || + disable_mclk_switching_for_vr || + force_mclk_high; sclk = vega10_ps->performance_levels[0].gfx_clock; mclk = vega10_ps->performance_levels[0].mem_clock; Patches currently in stable-queue which might be from alexander.deucher@amd.com are queue-4.14/drm-amdgpu-notify-sbios-device-ready-before-send-request.patch queue-4.14/workqueue-allow-retrieval-of-current-task-s-work-struct.patch queue-4.14/drm-amd-powerplay-vega10-allow-mclk-switching-with-no-displays.patch queue-4.14/drm-radeon-fix-kv-harvesting.patch queue-4.14/drm-radeon-fix-deadlock-on-runtime-suspend.patch queue-4.14/drm-amdgpu-correct-max-uvd-handles.patch queue-4.14/drm-amd-powerplay-smu7-allow-mclk-switching-with-no-displays.patch queue-4.14/drm-amdgpu-fix-deadlock-on-runtime-suspend.patch queue-4.14/drm-amd-powerplay-fix-power-over-limit-on-fiji.patch queue-4.14/drm-allow-determining-if-current-task-is-output-poll-worker.patch queue-4.14/drm-amdgpu-used-cached-pcie-gen-info-for-si-v2.patch queue-4.14/revert-drm-radeon-pm-autoswitch-power-state-when-in-balanced-mode.patch queue-4.14/drm-amdgpu-fix-kv-harvesting.patch queue-4.14/drm-amdgpu-always-save-uvd-vcpu_bo-in-vm-mode.patch queue-4.14/drm-radeon-insist-on-32-bit-dma-for-cedar-on-ppc64-ppc64le.patch