Received: by 2002:ab2:7b86:0:b0:1f7:5705:b850 with SMTP id q6csp503452lqh; Sat, 4 May 2024 09:31:31 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCX8jliwK9PbawvltkrDq3kR2PwPyXs0XxV9/jUzedJiw/yU9ViFc96UoP5oxGF7VqcHY83hT+ORiCDd1WOb90iYOXFK4j6oTGgOHcEaPw== X-Google-Smtp-Source: AGHT+IEGPl/E7hQTttlMOtGZ10ZapmQ7x4+vNYW/2toFFx0+WGgL+cfAEdbx+L4tmmgoPWf1dW/G X-Received: by 2002:a17:902:e943:b0:1eb:7aeb:54f3 with SMTP id b3-20020a170902e94300b001eb7aeb54f3mr8678294pll.36.1714840291442; Sat, 04 May 2024 09:31:31 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1714840291; cv=pass; d=google.com; s=arc-20160816; b=b2j22Y2GMdr3Ny8PmQkZDRL71mRxmnC3VJqjwiJ6EC+dEiHmAXNpH7eB/97RX2Gh9j M3KaLlgATOeeNKxB2i1v9V0AIhmFBvH/As/FAJ3i3+FXcNLeiJmMspnd12XYmUhvrpvI bXKZpWTi13S4M7LT6bQ1hLu8mruR9ZVeFuIwo/FDBcgf9/5oVw/jDFL6W2pRmOOica3k STCWFkIpzS1G6HMkb0TDnW/yVRMZUrOvdVvFJYO8sHkqrjZs8jZXEfsfRP6J6lPfC6mF 4eCGDKtZHD3u6PNhJgy46TVYydozHDo6VWgn1dnOhGt2/poBk0EEm42GMqap1MVoz8T1 AaBg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:message-id:date:subject:cc:to :from:dkim-signature; bh=BVHkSDrp78uKW0uZrcyHhFLD98BFVYL6QDF1S7ek4Xk=; fh=XWZZ/pvTCSYI53u5iiks7xLs6eb75FaWBgntaFn3+DM=; b=Fzk+PnvMpaWThRBjslLhBu2nvEuACWx95sFs2+JND0I2DjkyottwthNRkbSjwWybny 7C8E1oL/RzOwMHPgLrLMpGQfiHofg8zsyh14Hyu/HWasYqqWqGnxGIQKKgABi3keuZZq nCOoaSEfXWUFlBqZWvQy1qCEHuOQZtSMfuuQP/wGeWKOunbgNyIw4f4plmeT1yHfP/fT IVVbG9qpB7lo5VrOkk5a8Q7Z7aQ0jHwL/lrJBCSK4sbcFfFiRL4kzdOhlw2Vy52CYf67 yMnvNM5x+8jBcr0o2lxw1nOzA0yFad7e2MHbcYniIafavkp4mzAbCwNy5aRc4ToWcI1e GvWQ==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=ihz00wg0; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-168752-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-168752-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [139.178.88.99]) by mx.google.com with ESMTPS id d6-20020a170902654600b001eb2fc90b1csi5122275pln.51.2024.05.04.09.31.31 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 May 2024 09:31:31 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-168752-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=ihz00wg0; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=gmail.com dmarc=pass fromdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-168752-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-168752-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id A24092829AE for ; Sat, 4 May 2024 16:31:30 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id A8BB25820E; Sat, 4 May 2024 16:31:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ihz00wg0" Received: from mail-pl1-f177.google.com (mail-pl1-f177.google.com [209.85.214.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6E7511D52D; Sat, 4 May 2024 16:31:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.177 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714840283; cv=none; b=mnrePjC5/ecajWN0jAmVvKL1ak6nOITGdz8H7aNasnpGgMGC638w7qBGAeVMi3PCuNrHRyU7u1cs+6uwqWRASk0SReqHGYfHOt8WOliA9P3lCqe5LQ2G8TokNW6AmIAcBgW6gW3FQBZHyhqG86e0O8HJscmMAc3lLB+/T27mFu0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714840283; c=relaxed/simple; bh=kzZY9lGQpdtSb8LBt6oSjwlOz7umExQkGa/hvChrAq4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=INsLOEqGlwIU6o4Pep14JJs4ZH0DmNyh1wGhS6mwzUxpHj+NUYD6BN7ldv9nIyhFofoQ+/CPUGfjbCpnfVBpLOxLtXKTxC1kJ+U/RNHVjX6pLJKRRNt62JerPY2zjOg+S9rcf+7VvG8zhMArAldDjEmSZhDMwZsvCp+J51UJb+I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ihz00wg0; arc=none smtp.client-ip=209.85.214.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pl1-f177.google.com with SMTP id d9443c01a7336-1ec69e3dbcfso4835175ad.0; Sat, 04 May 2024 09:31:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1714840282; x=1715445082; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=BVHkSDrp78uKW0uZrcyHhFLD98BFVYL6QDF1S7ek4Xk=; b=ihz00wg0QF51IunlMa6GXXRhK7bvexHyTVCAGS7sH7TaVJlQOSak8YqJHQoep1DHeV aSKPEZzerT1lb13HYrlr5MLLTQXByFB4p3kvu1tcHsO4PFXzC2zmElnymn1H/feo+v1V i/+Y788Pfee315UUZKV7X/V3fg9iXS/Oa6b8kgEwVs805xDP7D5uxSA8/7Rk7X8JKjPE aT/etabnnM2SDThLpOlp6KYeeBhbyVigBgD9lFAh7Xerlzk3MjDnsyDsFGoWgTWyiPpE Nst4jFInRz20UjFiv2ZBIzJmryYH7P+vjUlKR/5e4zs9rYO2ZMWa0NxBN1c1oqe4/Eyy zw6A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714840282; x=1715445082; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=BVHkSDrp78uKW0uZrcyHhFLD98BFVYL6QDF1S7ek4Xk=; b=p+d7erpo7r6gK6xcvTkCOLMQNpAnTicIIGTcnnBOeoThIBvCAFq1RHSqwQg6z/6EsE oU4g58RSnUiVphnHItlwQ2/ztgYKiEXxhWkyiMWV4pWYmAHv8D9eT2HyJNzfEWE+G/dT CzY7NEFn/WDFd9e5rArH76zMniV6k0NWc0Rzl7hExjYnTWO0eylM71ZQr3uFPGLxBrYo lBHQO/5T3eurTYTaOT4frSjl0BMjIpUqZHQ692WSKdBOnMPgVvddYe5fbPu3SqT4KpGk EXDImMN3+Rv29BRRLbw87XClkz5NgzsNJVkPXdeLBm+J87R40A53ptnPkVnEbLxOYPlL InfA== X-Forwarded-Encrypted: i=1; AJvYcCUMnytd8mcj2m7WBCXf/2vlNp1eHs42hPBoa+eQgF0xdqb0tRoNwmsUCXQwROYnL1VhY6i+B/YDGyBzZG4QG7Qba/BrTBbzH8z/u7kd X-Gm-Message-State: AOJu0YwK0hvdMJq7njEm8qA8AqkRlfAafZnWzJO8Z8WAIq2/y0S1acIW fE3rPWMS/iBS0S3q6JGhfe2o0JgATGRxNX8Jh9rQYnB65elE5POFMMYO/Q== X-Received: by 2002:a17:902:f649:b0:1e2:bf94:487 with SMTP id m9-20020a170902f64900b001e2bf940487mr7668589plg.57.1714840281493; Sat, 04 May 2024 09:31:21 -0700 (PDT) Received: from localhost ([2601:1c0:5000:d5c:ae1c:de46:682a:206]) by smtp.gmail.com with ESMTPSA id jb13-20020a170903258d00b001ec4ed47ddesm5274490plb.86.2024.05.04.09.31.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 May 2024 09:31:20 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Rob Clark , Rob Clark , Sean Paul , Konrad Dybcio , Abhinav Kumar , Dmitry Baryshkov , Marijn Suijten , David Airlie , Daniel Vetter , linux-kernel@vger.kernel.org (open list) Subject: [PATCH] drm/msm/a6xx: Cleanup indexed regs const'ness Date: Sat, 4 May 2024 09:31:13 -0700 Message-ID: <20240504163114.639228-1-robdclark@gmail.com> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Rob Clark These tables were made non-const in commit 3cba4a2cdff3 ("drm/msm/a6xx: Update ROQ size in coredump") in order to avoid powering up the GPU when reading back a devcoredump. Instead let's just stash the count that is potentially read from hw in struct a6xx_gpu_state_obj, and make the tables const again. Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 15 +++++++++------ drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h | 8 ++++---- 2 files changed, 13 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c index 77146d30bcaa..0a7717a4fc2f 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c @@ -24,6 +24,7 @@ struct a6xx_gpu_state_obj { const void *handle; u32 *data; + u32 count; /* optional, used when count potentially read from hw */ }; struct a6xx_gpu_state { @@ -1437,16 +1438,18 @@ static u32 a7xx_get_cp_roq_size(struct msm_gpu *gpu) /* Read a block of data from an indexed register pair */ static void a6xx_get_indexed_regs(struct msm_gpu *gpu, struct a6xx_gpu_state *a6xx_state, - struct a6xx_indexed_registers *indexed, + const struct a6xx_indexed_registers *indexed, struct a6xx_gpu_state_obj *obj) { + u32 count = indexed->count; int i; obj->handle = (const void *) indexed; if (indexed->count_fn) - indexed->count = indexed->count_fn(gpu); + count = indexed->count_fn(gpu); - obj->data = state_kcalloc(a6xx_state, indexed->count, sizeof(u32)); + obj->data = state_kcalloc(a6xx_state, count, sizeof(u32)); + obj->count = count; if (!obj->data) return; @@ -1454,7 +1457,7 @@ static void a6xx_get_indexed_regs(struct msm_gpu *gpu, gpu_write(gpu, indexed->addr, 0); /* Read the data - each read increments the internal address by 1 */ - for (i = 0; i < indexed->count; i++) + for (i = 0; i < count; i++) obj->data[i] = gpu_read(gpu, indexed->data); } @@ -1890,9 +1893,9 @@ static void a6xx_show_indexed_regs(struct a6xx_gpu_state_obj *obj, return; print_name(p, " - regs-name: ", indexed->name); - drm_printf(p, " dwords: %d\n", indexed->count); + drm_printf(p, " dwords: %d\n", obj->count); - print_ascii85(p, indexed->count << 2, obj->data); + print_ascii85(p, obj->count << 2, obj->data); } static void a6xx_show_debugbus_block(const struct a6xx_debugbus_block *block, diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h index 3b1ba514e8ee..dd4c28a8d923 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h @@ -397,7 +397,7 @@ struct a6xx_indexed_registers { u32 (*count_fn)(struct msm_gpu *gpu); }; -static struct a6xx_indexed_registers a6xx_indexed_reglist[] = { +static const struct a6xx_indexed_registers a6xx_indexed_reglist[] = { { "CP_SQE_STAT", REG_A6XX_CP_SQE_STAT_ADDR, REG_A6XX_CP_SQE_STAT_DATA, 0x33, NULL }, { "CP_DRAW_STATE", REG_A6XX_CP_DRAW_STATE_ADDR, @@ -408,7 +408,7 @@ static struct a6xx_indexed_registers a6xx_indexed_reglist[] = { REG_A6XX_CP_ROQ_DBG_DATA, 0, a6xx_get_cp_roq_size}, }; -static struct a6xx_indexed_registers a7xx_indexed_reglist[] = { +static const struct a6xx_indexed_registers a7xx_indexed_reglist[] = { { "CP_SQE_STAT", REG_A6XX_CP_SQE_STAT_ADDR, REG_A6XX_CP_SQE_STAT_DATA, 0x33, NULL }, { "CP_DRAW_STATE", REG_A6XX_CP_DRAW_STATE_ADDR, @@ -433,12 +433,12 @@ static struct a6xx_indexed_registers a7xx_indexed_reglist[] = { REG_A6XX_CP_ROQ_DBG_DATA, 0, a7xx_get_cp_roq_size }, }; -static struct a6xx_indexed_registers a6xx_cp_mempool_indexed = { +static const struct a6xx_indexed_registers a6xx_cp_mempool_indexed = { "CP_MEMPOOL", REG_A6XX_CP_MEM_POOL_DBG_ADDR, REG_A6XX_CP_MEM_POOL_DBG_DATA, 0x2060, NULL, }; -static struct a6xx_indexed_registers a7xx_cp_bv_mempool_indexed[] = { +static const struct a6xx_indexed_registers a7xx_cp_bv_mempool_indexed[] = { { "CP_MEMPOOL", REG_A6XX_CP_MEM_POOL_DBG_ADDR, REG_A6XX_CP_MEM_POOL_DBG_DATA, 0x2100, NULL }, { "CP_BV_MEMPOOL", REG_A7XX_CP_BV_MEM_POOL_DBG_ADDR, -- 2.44.0