From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A0131F63FF; Fri, 10 Oct 2025 13:17:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760102224; cv=none; b=e8PJiMIGmM0B+vFpQ9LuoTx2QUPo22E/Jhz1i0xZvxYvqbEIXLF7JoCAclvsE2v3Su2A2WPqiJEEfqd3ok60vQPbDWMDgSkkMOkNME94X948GdUfHbutUBcg8Tz4/AjV1gBWbyUd2HHGR0r3OxGJ+2FkkDTRSo14zJUAe9O1unI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760102224; c=relaxed/simple; bh=r7aHSMpuokHWSlHEIBag636kYuzUotCP5eavH7Hooe4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cEuoFbxbxr/+dsMAQWeMGN1OZ1Vrzh4QydHyu9Nz7OaB9DrOysBo62deOphYNYP2yg0CniZK2B7JMhe8bZEOBwgGcGH03NpRKmOqj0qT+t/G8q9kDum6sj7HGpVBmAV5nCNwf/GvlC+UgmJ4LNwwNl/CcPuC0Tovk1X8HqeS5hQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=CbETi5mo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="CbETi5mo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 82900C4CEF1; Fri, 10 Oct 2025 13:17:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760102223; bh=r7aHSMpuokHWSlHEIBag636kYuzUotCP5eavH7Hooe4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CbETi5mom4670hOQpfyCNg/mEb9dEOwG9Z4QK1hG96Q5GnttXJzYb83Rx+GcblDJ3 lt+fjohOLsVcjnlLSHnc66PQSzf6VA+VkyR1Z2RKMkyTdiqt2f6iV4LpExNsXjZatF K2Hpp8S/blk4rqDgaCzvRZHBssPdjS7eLfs+xjnQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yifan Zhang , Alex Deucher , Mario Limonciello Subject: [PATCH 6.17 01/26] drm/amdgpu: Enable MES lr_compute_wa by default Date: Fri, 10 Oct 2025 15:15:56 +0200 Message-ID: <20251010131331.262014427@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251010131331.204964167@linuxfoundation.org> References: <20251010131331.204964167@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mario Limonciello commit 1fb710793ce2619223adffaf981b1ff13cd48f17 upstream. The MES set resources packet has an optional bit 'lr_compute_wa' which can be used for preventing MES hangs on long compute jobs. Set this bit by default. Co-developed-by: Yifan Zhang Signed-off-by: Yifan Zhang Acked-by: Alex Deucher Signed-off-by: Mario Limonciello Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 6 ++++++ drivers/gpu/drm/amd/amdgpu/mes_v12_0.c | 5 +++++ drivers/gpu/drm/amd/include/mes_v11_api_def.h | 3 ++- drivers/gpu/drm/amd/include/mes_v12_api_def.h | 3 ++- 4 files changed, 15 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c @@ -711,6 +711,12 @@ static int mes_v11_0_set_hw_resources(st mes_set_hw_res_pkt.enable_reg_active_poll = 1; mes_set_hw_res_pkt.enable_level_process_quantum_check = 1; mes_set_hw_res_pkt.oversubscription_timer = 50; + if ((mes->adev->mes.sched_version & AMDGPU_MES_VERSION_MASK) >= 0x7f) + mes_set_hw_res_pkt.enable_lr_compute_wa = 1; + else + dev_info_once(mes->adev->dev, + "MES FW version must be >= 0x7f to enable LR compute workaround.\n"); + if (amdgpu_mes_log_enable) { mes_set_hw_res_pkt.enable_mes_event_int_logging = 1; mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr = --- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c @@ -738,6 +738,11 @@ static int mes_v12_0_set_hw_resources(st mes_set_hw_res_pkt.use_different_vmid_compute = 1; mes_set_hw_res_pkt.enable_reg_active_poll = 1; mes_set_hw_res_pkt.enable_level_process_quantum_check = 1; + if ((mes->adev->mes.sched_version & AMDGPU_MES_VERSION_MASK) >= 0x82) + mes_set_hw_res_pkt.enable_lr_compute_wa = 1; + else + dev_info_once(adev->dev, + "MES FW version must be >= 0x82 to enable LR compute workaround.\n"); /* * Keep oversubscribe timer for sdma . When we have unmapped doorbell --- a/drivers/gpu/drm/amd/include/mes_v11_api_def.h +++ b/drivers/gpu/drm/amd/include/mes_v11_api_def.h @@ -238,7 +238,8 @@ union MESAPI_SET_HW_RESOURCES { uint32_t enable_mes_sch_stb_log : 1; uint32_t limit_single_process : 1; uint32_t is_strix_tmz_wa_enabled :1; - uint32_t reserved : 13; + uint32_t enable_lr_compute_wa : 1; + uint32_t reserved : 12; }; uint32_t uint32_t_all; }; --- a/drivers/gpu/drm/amd/include/mes_v12_api_def.h +++ b/drivers/gpu/drm/amd/include/mes_v12_api_def.h @@ -286,7 +286,8 @@ union MESAPI_SET_HW_RESOURCES { uint32_t limit_single_process : 1; uint32_t unmapped_doorbell_handling: 2; uint32_t enable_mes_fence_int: 1; - uint32_t reserved : 10; + uint32_t enable_lr_compute_wa : 1; + uint32_t reserved : 9; }; uint32_t uint32_all; };