From patchwork Fri Nov 2 15:25:24 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jordan Crouse X-Patchwork-Id: 10665667 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E3286109C for ; Fri, 2 Nov 2018 15:25:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D23BC288A9 for ; Fri, 2 Nov 2018 15:25:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C69DA2B5BF; Fri, 2 Nov 2018 15:25:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7FADA288A9 for ; Fri, 2 Nov 2018 15:25:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A682189708; Fri, 2 Nov 2018 15:25:42 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.codeaurora.org (smtp.codeaurora.org [198.145.29.96]) by gabe.freedesktop.org (Postfix) with ESMTPS id CA90D8967B; Fri, 2 Nov 2018 15:25:40 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 5CE8260A34; Fri, 2 Nov 2018 15:25:37 +0000 (UTC) Received: from jcrouse-lnx.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: jcrouse@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 5455E6085C; Fri, 2 Nov 2018 15:25:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 5455E6085C From: Jordan Crouse To: freedreno@lists.freedesktop.org Subject: [PATCH 08/10] drm/msm/adreno: Don't capture register values if target doesn't define them Date: Fri, 2 Nov 2018 09:25:24 -0600 Message-Id: <20181102152526.23854-9-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20181102152526.23854-1-jcrouse@codeaurora.org> References: <20181102152526.23854-1-jcrouse@codeaurora.org> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-msm@vger.kernel.org, hoegsberg@chromium.org, smasetty@codeaurora.org, dri-devel@lists.freedesktop.org MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP If the GPU target doesn't define a list of registers then gracefully skip capturing and/or printing them. This is used by more complex targets like 6xx that have other means of capturing register values. Signed-off-by: Jordan Crouse --- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 141062fbb4c8..2c9bbad9c943 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -414,6 +414,10 @@ int adreno_gpu_state_get(struct msm_gpu *gpu, struct msm_gpu_state *state) } } + /* Some targets prefer to collect their own registers */ + if (!adreno_gpu->registers) + return 0; + /* Count the number of registers */ for (i = 0; adreno_gpu->registers[i] != ~0; i += 2) count += adreno_gpu->registers[i + 1] - @@ -551,12 +555,14 @@ void adreno_show(struct msm_gpu *gpu, struct msm_gpu_state *state, } } - drm_puts(p, "registers:\n"); + if (state->nr_registers) { + drm_puts(p, "registers:\n"); - for (i = 0; i < state->nr_registers; i++) { - drm_printf(p, " - { offset: 0x%04x, value: 0x%08x }\n", - state->registers[i * 2] << 2, - state->registers[(i * 2) + 1]); + for (i = 0; i < state->nr_registers; i++) { + drm_printf(p, " - { offset: 0x%04x, value: 0x%08x }\n", + state->registers[i * 2] << 2, + state->registers[(i * 2) + 1]); + } } } #endif @@ -595,6 +601,9 @@ void adreno_dump(struct msm_gpu *gpu) struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); int i; + if (!adreno_gpu->registers) + return; + /* dump these out in a form that can be parsed by demsm: */ printk("IO:region %s 00000000 00020000\n", gpu->name); for (i = 0; adreno_gpu->registers[i] != ~0; i += 2) {