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[104.57.184.186]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-287ab9b5ba5sm188924fac.21.2024.10.02.19.58.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Oct 2024 19:58:39 -0700 (PDT) From: Bjorn Andersson Date: Wed, 02 Oct 2024 20:01:32 -0700 Subject: [PATCH RFT 1/2] firmware: qcom: scm: Introduce CP_SMMU_APERTURE_ID MIME-Version: 1.0 Message-Id: <20241002-adreno-smmu-aparture-v1-1-e9a63c9ccef5@oss.qualcomm.com> References: <20241002-adreno-smmu-aparture-v1-0-e9a63c9ccef5@oss.qualcomm.com> In-Reply-To: <20241002-adreno-smmu-aparture-v1-0-e9a63c9ccef5@oss.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio , Rob Clark , Sean Paul , Abhinav Kumar , Dmitry Baryshkov , Marijn Suijten , David Airlie , Simona Vetter Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Bjorn Andersson X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2997; i=bjorn.andersson@oss.qualcomm.com; h=from:subject:message-id; bh=ECeOnqwkL9oJWvy2IoxkgjFotjTcF/KXI8WgJ2j6Ppk=; b=owEBgwJ8/ZANAwAIAQsfOT8Nma3FAcsmYgBm/gkcWIcpdn2/xdWuhuQYvPCj6vFgI+ERHLL5B uxSWZReAIaJAkkEAAEIADMWIQQF3gPMXzXqTwlm1SULHzk/DZmtxQUCZv4JHBUcYW5kZXJzc29u QGtlcm5lbC5vcmcACgkQCx85Pw2ZrcUMmA//eVBu9B7Ev3OMWmjXNH9MrFelo5hICM0seNCG3VO +xJ2dGbDsRl0spsDLFrzU1Zc685JBF2nRUf49/4zzfxNRmatKgP6dl1sLrI7eop/q401e5JyXlI ia82MIwlc9RIXwXJ5qRIK7rWHcSo2jx6LebTAnz6DZibrfxKO4w/F8OI6t7N5Mml0gCncndzk3/ D5C4PHwDkPA82gmRS0RxaC/KU8snVqQVN2PeJ9o6LmqA6jGrYJtAQeqY8c1gBVHitOakiWcSctr X4MmOK0eZ/i1XmuSuX3L8c871yghyY6wIW8pxHKzcwOYC49YeKcSSNwZ4KOmMkYBbgBxInZc8Va WOBSsObLppy1VnZnWjSaVCOI2E10xJRzwfw/D1lmcHcMWiEsCJ/S0O+HB0Aj6/ZAnfNxZ9GLE/n 3b5cKMjF5aedpllWqJIPXL4CC6EdZP9iU+Ap9sR62bmmC0FsL62n0W/eslwZetwPWere3fsUSwm jf9eVvc013pwtmg4mnkos3G3GNd6EwhjImSmCbFRaMpLH36WFtbszc2LvCnMQ+NTuIusthd8JTn wUwgZ/tLBEQxZ8S47AHE4GdJmTBh7N+A7lSuBhSeeVaJbHyWkgaOGIexogqcthZLWqvtKGlf02S IR2aCKp0+2A9BHC7dLood5uZVGjvCyQRUwlpn2IuX+V4= X-Developer-Key: i=bjorn.andersson@oss.qualcomm.com; a=openpgp; fpr=05DE03CC5F35EA4F0966D5250B1F393F0D99ADC5 X-Proofpoint-ORIG-GUID: EGE3yI5Oj0xk2AdkDlpQZK8W1OV9fO3T X-Proofpoint-GUID: EGE3yI5Oj0xk2AdkDlpQZK8W1OV9fO3T X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 phishscore=0 mlxscore=0 adultscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 clxscore=1015 bulkscore=0 lowpriorityscore=0 mlxlogscore=999 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2408220000 definitions=main-2410030019 X-Mailman-Approved-At: Thu, 03 Oct 2024 07:37:11 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The QCOM_SCM_SVC_MP service provides QCOM_SCM_MP_CP_SMMU_APERTURE_ID, which is used to trigger the mapping of register banks into the SMMU context for per-processes page tables to function (in case this isn't statically setup by firmware). This is necessary on e.g. QCS6490 Rb3Gen2, in order to avoid "CP | AHB bus error"-errors from the GPU. Introduce a function to allow the msm driver to invoke this call. Signed-off-by: Bjorn Andersson Tested-by: Konrad Dybcio # FP5 Reviewed-by: Konrad Dybcio Tested-by: Jessica Zhang # Trogdor (sc7180) --- drivers/firmware/qcom/qcom_scm.c | 19 +++++++++++++++++++ drivers/firmware/qcom/qcom_scm.h | 1 + include/linux/firmware/qcom/qcom_scm.h | 1 + 3 files changed, 21 insertions(+) diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c index 10986cb11ec0..bd633c57b6e8 100644 --- a/drivers/firmware/qcom/qcom_scm.c +++ b/drivers/firmware/qcom/qcom_scm.c @@ -903,6 +903,25 @@ int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare) } EXPORT_SYMBOL_GPL(qcom_scm_restore_sec_cfg); +#define QCOM_SCM_CP_APERTURE_CONTEXT_MASK GENMASK(7, 0) + +int qcom_scm_set_gpu_smmu_aperture(unsigned int context_bank) +{ + struct qcom_scm_desc desc = { + .svc = QCOM_SCM_SVC_MP, + .cmd = QCOM_SCM_MP_CP_SMMU_APERTURE_ID, + .arginfo = QCOM_SCM_ARGS(4), + .args[0] = 0xffff0000 | FIELD_PREP(QCOM_SCM_CP_APERTURE_CONTEXT_MASK, context_bank), + .args[1] = 0xffffffff, + .args[2] = 0xffffffff, + .args[3] = 0xffffffff, + .owner = ARM_SMCCC_OWNER_SIP + }; + + return qcom_scm_call(__scm->dev, &desc, NULL); +} +EXPORT_SYMBOL_GPL(qcom_scm_set_gpu_smmu_aperture); + int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size) { struct qcom_scm_desc desc = { diff --git a/drivers/firmware/qcom/qcom_scm.h b/drivers/firmware/qcom/qcom_scm.h index 685b8f59e7a6..e36b2f67607f 100644 --- a/drivers/firmware/qcom/qcom_scm.h +++ b/drivers/firmware/qcom/qcom_scm.h @@ -116,6 +116,7 @@ struct qcom_tzmem_pool *qcom_scm_get_tzmem_pool(void); #define QCOM_SCM_MP_IOMMU_SET_CP_POOL_SIZE 0x05 #define QCOM_SCM_MP_VIDEO_VAR 0x08 #define QCOM_SCM_MP_ASSIGN 0x16 +#define QCOM_SCM_MP_CP_SMMU_APERTURE_ID 0x1b #define QCOM_SCM_MP_SHM_BRIDGE_ENABLE 0x1c #define QCOM_SCM_MP_SHM_BRIDGE_DELETE 0x1d #define QCOM_SCM_MP_SHM_BRIDGE_CREATE 0x1e diff --git a/include/linux/firmware/qcom/qcom_scm.h b/include/linux/firmware/qcom/qcom_scm.h index 9f14976399ab..23ec8ee5e49f 100644 --- a/include/linux/firmware/qcom/qcom_scm.h +++ b/include/linux/firmware/qcom/qcom_scm.h @@ -85,6 +85,7 @@ int qcom_scm_io_writel(phys_addr_t addr, unsigned int val); bool qcom_scm_restore_sec_cfg_available(void); int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare); +int qcom_scm_set_gpu_smmu_aperture(unsigned int context_bank); int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size); int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare); int qcom_scm_iommu_set_cp_pool_size(u32 spare, u32 size); From patchwork Thu Oct 3 03:01:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 13820725 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 91F59CF855A for ; Thu, 3 Oct 2024 07:37:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 58E5510E7BB; 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[104.57.184.186]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-287ab9b5ba5sm188924fac.21.2024.10.02.19.58.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Oct 2024 19:58:42 -0700 (PDT) From: Bjorn Andersson Date: Wed, 02 Oct 2024 20:01:33 -0700 Subject: [PATCH RFT 2/2] drm/msm/adreno: Setup SMMU aparture for per-process page table MIME-Version: 1.0 Message-Id: <20241002-adreno-smmu-aparture-v1-2-e9a63c9ccef5@oss.qualcomm.com> References: <20241002-adreno-smmu-aparture-v1-0-e9a63c9ccef5@oss.qualcomm.com> In-Reply-To: <20241002-adreno-smmu-aparture-v1-0-e9a63c9ccef5@oss.qualcomm.com> To: Bjorn Andersson , Konrad Dybcio , Rob Clark , Sean Paul , Abhinav Kumar , Dmitry Baryshkov , Marijn Suijten , David Airlie , Simona Vetter Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Bjorn Andersson X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1479; i=bjorn.andersson@oss.qualcomm.com; h=from:subject:message-id; bh=RbbsTxcQGy55FkTg6CEEGqhEsl4ZzuLrgtjdk4G2IrI=; b=owEBgwJ8/ZANAwAIAQsfOT8Nma3FAcsmYgBm/gkcRg/Y5KGivcfdeSGJkvp8pEtdIW6yxbLxG 8GyBcQb6reJAkkEAAEIADMWIQQF3gPMXzXqTwlm1SULHzk/DZmtxQUCZv4JHBUcYW5kZXJzc29u QGtlcm5lbC5vcmcACgkQCx85Pw2ZrcU03xAAqZOMzqIPiya3Ppbf4OVcDQbOrlD+YmTj9ARqMJl fYzVwMmwWNYPOAL7IzqyLt8+Ax+FTDtwopgfXtmY87dN/6NsEpuC7sG1XVkRdtxbvrvsWqWEPCr nokcf7lY5sVDWtQxdcMhl8TOUIe6at+MnDcbj9uSZ3qK9JiSWXYFzn5syFwz7QiABmjbNmkuZgN PNRzH+OLh/yeHP5AkDyDJqbVvTNAipzqXk6yAOV8yIY1WYPmH9MzEuXoJh3p05b4qbTADTJ3zWO G1ONmA2aHwvyRkP6YmkaAPCTFH/Uh1oEqEw7/4ftfOfisQazJBKDkWNEQ/Q3s6q+smhuVfLk+gd Cdy/38noYbMPzaf16k2OQ6i7mzYtCpFXEhtrjRjohB5XQyr0DzcSGMU4mygHExtHlAviGZb9dyV 4ybtfVIs+WVWveOTj4jFtGHrwp5rVJucX+kJcTJjb+kHeAVgsIHXbx4AcXibmaOiwo1gAtV6h+Z 2LZoM56C4i+TduAvtGXMiL9pH0xb7fA/EiudQa71FHLgEtxsGMZhL2Wz9mau/hUk2aA4c44UwAR DiFA7c5r3qzTUm8N15/BjRKy6bKkippQs+yNh19CRolZP7MBnRAHSGPl0uOLaRmdgtKJaBB7nJT uMqxT+jhPd/UfBEjL0Q3Z1Xudz9zz4pq/I3kQ5CLwXb0= X-Developer-Key: i=bjorn.andersson@oss.qualcomm.com; a=openpgp; fpr=05DE03CC5F35EA4F0966D5250B1F393F0D99ADC5 X-Proofpoint-GUID: yzNp2OxrHXHaZ7ClfHv_BG9P5vC6ro8M X-Proofpoint-ORIG-GUID: yzNp2OxrHXHaZ7ClfHv_BG9P5vC6ro8M X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 malwarescore=0 impostorscore=0 lowpriorityscore=0 mlxlogscore=999 bulkscore=0 priorityscore=1501 suspectscore=0 phishscore=0 adultscore=0 spamscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2408220000 definitions=main-2410030018 X-Mailman-Approved-At: Thu, 03 Oct 2024 07:37:11 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Support for per-process page tables requires the SMMU aparture to be setup such that the GPU can make updates with the SMMU. On some targets this is done statically in firmware, on others it's expected to be requested in runtime by the driver, through a SCM call. One place where configuration is expected to be done dynamically is the QCS6490 rb3gen2. The downstream driver does this unconditioanlly on any A6xx and newer, so follow suite and make the call. Signed-off-by: Bjorn Andersson Tested-by: Konrad Dybcio # FP5 Reviewed-by: Konrad Dybcio Tested-by: Jessica Zhang # Trogdor (sc7180) --- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 465a4cd14a43..5b06f7a04fe6 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -572,8 +572,18 @@ struct drm_gem_object *adreno_fw_create_bo(struct msm_gpu *gpu, int adreno_hw_init(struct msm_gpu *gpu) { + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + int ret; + VERB("%s", gpu->name); + if (adreno_gpu->info->family >= ADRENO_6XX_GEN1) { + /* We currently always use context bank 0, so hard code this */ + ret = qcom_scm_set_gpu_smmu_aperture(0); + if (ret) + DRM_DEV_ERROR(gpu->dev->dev, "unable to set SMMU aperture: %d\n", ret); + } + for (int i = 0; i < gpu->nr_rings; i++) { struct msm_ringbuffer *ring = gpu->rb[i];