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 EB024C433F5 for ; Mon, 28 Feb 2022 18:04:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239831AbiB1SCv (ORCPT ); Mon, 28 Feb 2022 13:02:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49904 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235467AbiB1Ryq (ORCPT ); Mon, 28 Feb 2022 12:54:46 -0500 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51531F15; Mon, 28 Feb 2022 09:44:06 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id BA91DCE17D1; Mon, 28 Feb 2022 17:44:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BF66EC340E7; Mon, 28 Feb 2022 17:44:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1646070243; bh=UnNGVip4Y/0gnGThrejUdG0CPXjBsSWZUAHZ1Nnm1A0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=m7Nxyt39KLBeBIxMmTh/5n62SVn4znAKypXL8hMkYgNcKGfBfBlnT/c1o4VnfQbvx HAM01bbFDd6y8GhM+vA3mh8UBINsjoUTik6Q6oeeM0v30Wfz19mvI3Qf25gokNEqt6 HCALYthX1bwIo7GyyMBrfTTqYABklH5u8VBNLKjQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Evan Quan , Alex Deucher Subject: [PATCH 5.16 020/164] drm/amdgpu: disable MMHUB PG for Picasso Date: Mon, 28 Feb 2022 18:23:02 +0100 Message-Id: <20220228172401.831732389@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220228172359.567256961@linuxfoundation.org> References: <20220228172359.567256961@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Evan Quan commit f626dd0ff05043e5a7154770cc7cda66acee33a3 upstream. MMHUB PG needs to be disabled for Picasso for stability reasons. Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/soc15.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -1114,8 +1114,11 @@ static int soc15_common_early_init(void AMD_CG_SUPPORT_SDMA_LS | AMD_CG_SUPPORT_VCN_MGCG; + /* + * MMHUB PG needs to be disabled for Picasso for + * stability reasons. + */ adev->pg_flags = AMD_PG_SUPPORT_SDMA | - AMD_PG_SUPPORT_MMHUB | AMD_PG_SUPPORT_VCN; } else { adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |