From patchwork Fri Feb 25 19:21:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akhil P Oommen X-Patchwork-Id: 12760839 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 2B4C3C433F5 for ; Fri, 25 Feb 2022 19:22:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3EF3A10E91E; Fri, 25 Feb 2022 19:22:15 +0000 (UTC) Received: from m43-7.mailgun.net (m43-7.mailgun.net [69.72.43.7]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0BD1F10E17E for ; Fri, 25 Feb 2022 19:22:11 +0000 (UTC) DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1645816932; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=zwUj2HrkpS+nK6ojajWXOkTTihq6951vwdHqmJ0CDco=; b=OMTMycn2uhTMxGYtIEkv+XkXGFbvWd4Bx82+3ovRoWVoflKtQ7yrJQwDp1y8m8jZNdPt+aHO Y05+WITw0FBo0ijK3PoqNGKX4VdFgxvosTYl9U3oOmDimHXXjSZfYj1V8etIQ2kgeluCDSb6 /LuI4M/yV8kDItb7BVw86qqNdg0= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyJkOTU5ZSIsICJkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n07.prod.us-east-1.postgun.com with SMTP id 62192c6327716a6952abb3b4 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 25 Feb 2022 19:22:11 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 3BB94C43639; Fri, 25 Feb 2022 19:22:09 +0000 (UTC) Received: from hyd-lnxbld559.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: akhilpo) by smtp.codeaurora.org (Postfix) with ESMTPSA id 538AFC43617; Fri, 25 Feb 2022 19:22:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 538AFC43617 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=fail (p=none dis=none) header.from=quicinc.com Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=quicinc.com From: Akhil P Oommen To: freedreno , dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, Rob Clark , OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS , Dmitry Baryshkov , Bjorn Andersson Subject: [PATCH v2 4/5] drm/msm/adreno: Expose speedbin to userspace Date: Sat, 26 Feb 2022 00:51:31 +0530 Message-Id: <20220226005021.v2.4.I86c32730e08cba9e5c83f02ec17885124d45fa56@changeid> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1645816893-22815-1-git-send-email-quic_akhilpo@quicinc.com> References: <1645816893-22815-1-git-send-email-quic_akhilpo@quicinc.com> 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: , Cc: Jonathan Marek , David Airlie , linux-kernel@vger.kernel.org, Stephen Boyd , Vladimir Lypak , Douglas Anderson , Abhinav Kumar , Yangtao Li , Jordan Crouse , Sean Paul , =?utf-8?q?Christian_K=C3=B6nig?= Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Expose speedbin through MSM_PARAM_CHIP_ID parameter to help userspace identify the sku. Signed-off-by: Akhil P Oommen --- (no changes since v1) drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 3 +-- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 21 +++++++++++++++++---- drivers/gpu/drm/msm/adreno/adreno_gpu.h | 3 +++ 3 files changed, 21 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index f308a3f..e2728be3 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -10,7 +10,6 @@ #include #include -#include #include #define GPU_PAS_ID 13 @@ -1774,7 +1773,7 @@ static int a6xx_set_supported_hw(struct device *dev, struct adreno_rev rev) u32 speedbin; int ret; - ret = nvmem_cell_read_variable_le_u32(dev, "speed_bin", &speedbin); + ret = adreno_read_speedbin(dev, &speedbin); /* * -ENOENT means that the platform doesn't support speedbin which is * fine diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index d9d0c13..c593d13 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include "adreno_gpu.h" #include "a6xx_gpu.h" @@ -242,10 +243,12 @@ int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value) *value = !adreno_is_a650_family(adreno_gpu) ? 0x100000 : 0; return 0; case MSM_PARAM_CHIP_ID: - *value = adreno_gpu->rev.patchid | - (adreno_gpu->rev.minor << 8) | - (adreno_gpu->rev.major << 16) | - (adreno_gpu->rev.core << 24); + *value = (uint64_t) adreno_gpu->rev.patchid | + (uint64_t) (adreno_gpu->rev.minor << 8) | + (uint64_t) (adreno_gpu->rev.major << 16) | + (uint64_t) (adreno_gpu->rev.core << 24); + if (!adreno_gpu->info->revn) + *value |= ((uint64_t) adreno_gpu->speedbin) << 32; return 0; case MSM_PARAM_MAX_FREQ: *value = adreno_gpu->base.fast_rate; @@ -921,6 +924,11 @@ void adreno_gpu_ocmem_cleanup(struct adreno_ocmem *adreno_ocmem) adreno_ocmem->hdl); } +int adreno_read_speedbin(struct device *dev, u32 *speedbin) +{ + return nvmem_cell_read_variable_le_u32(dev, "speed_bin", speedbin); +} + int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, struct adreno_gpu *adreno_gpu, const struct adreno_gpu_funcs *funcs, int nr_rings) @@ -931,6 +939,7 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, struct msm_gpu *gpu = &adreno_gpu->base; struct adreno_rev *rev = &config->rev; const char *gpu_name; + u32 speedbin; adreno_gpu->funcs = funcs; adreno_gpu->info = adreno_info(config->rev); @@ -938,6 +947,10 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, adreno_gpu->revn = adreno_gpu->info->revn; adreno_gpu->rev = *rev; + if (adreno_read_speedbin(dev, &speedbin) || !speedbin) + speedbin = 0xffff; + adreno_gpu->speedbin = (uint16_t) (0xffff & speedbin); + gpu_name = adreno_gpu->info->name; if (!gpu_name) { gpu_name = devm_kasprintf(dev, GFP_KERNEL, "%d.%d.%d.%d", diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index cffabe7..e2a7150 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -80,6 +80,7 @@ struct adreno_gpu { const struct adreno_info *info; uint32_t gmem; /* actual gmem size */ uint32_t revn; /* numeric revision name */ + uint16_t speedbin; const struct adreno_gpu_funcs *funcs; /* interesting register offsets to dump: */ @@ -324,6 +325,8 @@ adreno_iommu_create_address_space(struct msm_gpu *gpu, void adreno_set_llc_attributes(struct iommu_domain *iommu); +int adreno_read_speedbin(struct device *dev, u32 *speedbin); + /* * For a5xx and a6xx targets load the zap shader that is used to pull the GPU * out of secure mode