From patchwork Sat Sep 11 16:39:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 12486483 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8CC1C433FE for ; Sat, 11 Sep 2021 16:39:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B59B661209 for ; Sat, 11 Sep 2021 16:39:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231536AbhIKQkm (ORCPT ); Sat, 11 Sep 2021 12:40:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35864 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230513AbhIKQkh (ORCPT ); Sat, 11 Sep 2021 12:40:37 -0400 Received: from m-r1.th.seeweb.it (m-r1.th.seeweb.it [IPv6:2001:4b7a:2000:18::170]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 175B5C061574; Sat, 11 Sep 2021 09:39:23 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (unknown [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by m-r1.th.seeweb.it (Postfix) with ESMTPSA id 1C9C81F52D; Sat, 11 Sep 2021 18:39:21 +0200 (CEST) From: AngeloGioacchino Del Regno To: robdclark@gmail.com Cc: sean@poorly.run, airlied@linux.ie, daniel@ffwll.ch, dmitry.baryshkov@linaro.org, abhinavk@codeaurora.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, konrad.dybcio@somainline.org, marijn.suijten@somainline.org, martin.botka@somainline.org, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, paul.bouchara@somainline.org, AngeloGioacchino Del Regno Subject: [PATCH v2 1/2] drm/msm/dpu: Add a function to retrieve the current CTL status Date: Sat, 11 Sep 2021 18:39:18 +0200 Message-Id: <20210911163919.47173-1-angelogioacchino.delregno@somainline.org> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add a function that returns whether the requested CTL is active or not: this will be used in a later commit to fix command mode panel issues. Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c | 6 ++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h | 7 +++++++ 2 files changed, 13 insertions(+) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c index 64740ddb983e..3b6fd73eb3a8 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c @@ -91,6 +91,11 @@ static inline void dpu_hw_ctl_trigger_start(struct dpu_hw_ctl *ctx) DPU_REG_WRITE(&ctx->hw, CTL_START, 0x1); } +static inline bool dpu_hw_ctl_is_started(struct dpu_hw_ctl *ctx) +{ + return !!(DPU_REG_READ(&ctx->hw, CTL_START) & BIT(0)); +} + static inline void dpu_hw_ctl_trigger_pending(struct dpu_hw_ctl *ctx) { trace_dpu_hw_ctl_trigger_prepare(ctx->pending_flush_mask, @@ -579,6 +584,7 @@ static void _setup_ctl_ops(struct dpu_hw_ctl_ops *ops, ops->get_pending_flush = dpu_hw_ctl_get_pending_flush; ops->get_flush_register = dpu_hw_ctl_get_flush_register; ops->trigger_start = dpu_hw_ctl_trigger_start; + ops->is_started = dpu_hw_ctl_is_started; ops->trigger_pending = dpu_hw_ctl_trigger_pending; ops->reset = dpu_hw_ctl_reset_control; ops->wait_reset_status = dpu_hw_ctl_wait_reset_status; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h index 806c171e5df2..ac1544474022 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h @@ -61,6 +61,13 @@ struct dpu_hw_ctl_ops { */ void (*trigger_start)(struct dpu_hw_ctl *ctx); + /** + * check if the ctl is started + * @ctx : ctl path ctx pointer + * @Return: true if started, false if stopped + */ + bool (*is_started)(struct dpu_hw_ctl *ctx); + /** * kickoff prepare is in progress hw operation for sw * controlled interfaces: DSI cmd mode and WB interface