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 4F01FC3ABB6 for ; Mon, 5 May 2025 22:24:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E2CFF10E474; Mon, 5 May 2025 22:24:26 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="o/ffQbya"; dkim-atps=neutral Received: from nyc.source.kernel.org (nyc.source.kernel.org [147.75.193.91]) by gabe.freedesktop.org (Postfix) with ESMTPS id B294D10E475; Mon, 5 May 2025 22:24:25 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 5556AA4CCF3; Mon, 5 May 2025 22:18:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 80AF6C4CEE4; Mon, 5 May 2025 22:24:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746483864; bh=xF8SmHu4JDO2uxxWJ+km3PqAGMefMdeEyhaIJCZaJu0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o/ffQbyaFlOSywDkmPigan83H+IfUfk1jL+xE0uhCdviw5MVWsPS+yotIPcCdJiT7 ZUopYKKbmcC7PsO0arGsFALDfIf2/iyj7kWnu1yuvjo1uKXyO3qCFwrTdbRDZMWo8t F6nHOaUFtjJln+6GdCm2BvyF+YvxdYUzUsPHCgluT6ON+p5lWn4/Mm8/8CJ+YkhS/J IekuslfyBi1V1vGZu9kyfxKG28otqFiHF/edxqgrkeBe1QIXxqwUwzWbeZ4rGX0QBx zIi0guKl5uHThRG8I7KovfQXP34IzQkT+7I4F491N6Yvt0+N7ecx6cOEdL/W/YPGBz 51Doju6S0hmeQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dillon Varone , Aric Cyr , Wayne Lin , Daniel Wheeler , Alex Deucher , Sasha Levin , harry.wentland@amd.com, sunpeng.li@amd.com, christian.koenig@amd.com, airlied@gmail.com, simona@ffwll.ch, chiahsuan.chung@amd.com, Alvin.Lee2@amd.com, alex.hung@amd.com, Leo.Zeng@amd.com, Ilya.Bakoulin@amd.com, Iswara.Nagulendran@amd.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.14 252/642] drm/amd/display: Fix p-state type when p-state is unsupported Date: Mon, 5 May 2025 18:07:48 -0400 Message-Id: <20250505221419.2672473-252-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505221419.2672473-1-sashal@kernel.org> References: <20250505221419.2672473-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.14.5 Content-Transfer-Encoding: 8bit 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" From: Dillon Varone [ Upstream commit a025f424af0407b7561bd5e6217295dde3abbc2e ] [WHY&HOW] P-state type would remain on previously used when unsupported which causes confusion in logging and visual confirm, so set back to zero when unsupported. Reviewed-by: Aric Cyr Signed-off-by: Dillon Varone Signed-off-by: Wayne Lin Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c index a49604b7701f7..1406ee4bff801 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c @@ -563,6 +563,7 @@ void set_p_state_switch_method( if (!dc->ctx || !dc->ctx->dmub_srv || !pipe_ctx || !vba) return; + pipe_ctx->p_state_type = P_STATE_UNKNOWN; if (vba->DRAMClockChangeSupport[vba->VoltageLevel][vba->maxMpcComb] != dm_dram_clock_change_unsupported) { /* MCLK switching is supported */ -- 2.39.5