From patchwork Fri May 27 18:54:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jessica Zhang X-Patchwork-Id: 12863699 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 B859BC433F5 for ; Fri, 27 May 2022 18:54:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BF46E10E6AA; Fri, 27 May 2022 18:54:36 +0000 (UTC) Received: from alexa-out-sd-01.qualcomm.com (alexa-out-sd-01.qualcomm.com [199.106.114.38]) by gabe.freedesktop.org (Postfix) with ESMTPS id E897410E810; Fri, 27 May 2022 18:54:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1653677675; x=1685213675; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=GdXSuoeLRNHrQDIxDPsBr+RJlcnfDvRRUC4dxm/jdlc=; b=OUnL8tc4C7CPEJsMyL3+D6uwCay09646Q2cENzOBielFeBdOQlWXGnZN GxgoE7wYctoGHTbYGxify3QI1cf4yNBn3chFSLfI6KWO1hmT3fKpQoGM/ wQaEjvxIgfuN/WLNk7eUkh3Ut/MbTX1gU9ICUA0Fzg5rxeejZRb/wzJr0 E=; Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by alexa-out-sd-01.qualcomm.com with ESMTP; 27 May 2022 11:54:33 -0700 X-QCInternal: smtphost Received: from nasanex01b.na.qualcomm.com ([10.46.141.250]) by ironmsg-SD-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2022 11:54:33 -0700 Received: from JESSZHAN.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Fri, 27 May 2022 11:54:33 -0700 From: Jessica Zhang To: Subject: [PATCH 1/3] drm/msm/dpu: Move LM CRC code into separate method Date: Fri, 27 May 2022 11:54:05 -0700 Message-ID: <20220527185407.162-2-quic_jesszhan@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220527185407.162-1-quic_jesszhan@quicinc.com> References: <20220527185407.162-1-quic_jesszhan@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01b.na.qualcomm.com (10.46.141.250) 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: linux-arm-msm@vger.kernel.org, quic_abhinavk@quicinc.com, dri-devel@lists.freedesktop.org, swboyd@chromium.org, seanpaul@chromium.org, dmitry.baryshkov@linaro.org, Jessica Zhang , quic_aravindh@quicinc.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Move layer mixer-specific section of dpu_crtc_get_crc() into a separate helper method. This way, we can make it easier to get CRCs from other HW blocks by adding other get_crc helper methods. Signed-off-by: Jessica Zhang Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 72 +++++++++++++++--------- 1 file changed, 44 insertions(+), 28 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index b56f777dbd0e..ae09466663cf 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. * Copyright (c) 2014-2021 The Linux Foundation. All rights reserved. * Copyright (C) 2013 Red Hat * Author: Rob Clark @@ -99,17 +100,32 @@ static int dpu_crtc_verify_crc_source(struct drm_crtc *crtc, return 0; } +static void dpu_crtc_setup_lm_misr(struct dpu_crtc_state *crtc_state) +{ + struct dpu_crtc_mixer *m; + int i; + + for (i = 0; i < crtc_state->num_mixers; ++i) { + m = &crtc_state->mixers[i]; + + if (!m->hw_lm || !m->hw_lm->ops.setup_misr) + continue; + + /* Calculate MISR over 1 frame */ + m->hw_lm->ops.setup_misr(m->hw_lm, true, 1); + } +} + static int dpu_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name) { enum dpu_crtc_crc_source source = dpu_crtc_parse_crc_source(src_name); enum dpu_crtc_crc_source current_source; struct dpu_crtc_state *crtc_state; struct drm_device *drm_dev = crtc->dev; - struct dpu_crtc_mixer *m; bool was_enabled; bool enable = false; - int i, ret = 0; + int ret = 0; if (source < 0) { DRM_DEBUG_DRIVER("Invalid CRC source %s for CRTC%d\n", src_name, crtc->index); @@ -146,16 +162,8 @@ static int dpu_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name) crtc_state->crc_frame_skip_count = 0; - for (i = 0; i < crtc_state->num_mixers; ++i) { - m = &crtc_state->mixers[i]; - - if (!m->hw_lm || !m->hw_lm->ops.setup_misr) - continue; - - /* Calculate MISR over 1 frame */ - m->hw_lm->ops.setup_misr(m->hw_lm, true, 1); - } - + if (source == DPU_CRTC_CRC_SOURCE_LAYER_MIXER) + dpu_crtc_setup_lm_misr(crtc_state); cleanup: drm_modeset_unlock(&crtc->mutex); @@ -174,34 +182,24 @@ static u32 dpu_crtc_get_vblank_counter(struct drm_crtc *crtc) return dpu_encoder_get_vsync_count(encoder); } - -static int dpu_crtc_get_crc(struct drm_crtc *crtc) +static int dpu_crtc_get_lm_crc(struct drm_crtc *crtc, struct dpu_crtc_state *crtc_state) { - struct dpu_crtc_state *crtc_state; - struct dpu_crtc_mixer *m; + struct dpu_crtc_mixer *lm; u32 crcs[CRTC_DUAL_MIXERS]; - int i = 0; int rc = 0; - - crtc_state = to_dpu_crtc_state(crtc->state); + int i; BUILD_BUG_ON(ARRAY_SIZE(crcs) != ARRAY_SIZE(crtc_state->mixers)); - /* Skip first 2 frames in case of "uncooked" CRCs */ - if (crtc_state->crc_frame_skip_count < 2) { - crtc_state->crc_frame_skip_count++; - return 0; - } - for (i = 0; i < crtc_state->num_mixers; ++i) { - m = &crtc_state->mixers[i]; + lm = &crtc_state->mixers[i]; - if (!m->hw_lm || !m->hw_lm->ops.collect_misr) + if (!lm->hw_lm || !lm->hw_lm->ops.collect_misr) continue; - rc = m->hw_lm->ops.collect_misr(m->hw_lm, &crcs[i]); + rc = lm->hw_lm->ops.collect_misr(lm->hw_lm, &crcs[i]); if (rc) { if (rc != -ENODATA) @@ -214,6 +212,24 @@ static int dpu_crtc_get_crc(struct drm_crtc *crtc) drm_crtc_accurate_vblank_count(crtc), crcs); } +static int dpu_crtc_get_crc(struct drm_crtc *crtc) +{ + struct dpu_crtc_state *crtc_state; + + crtc_state = to_dpu_crtc_state(crtc->state); + + /* Skip first 2 frames in case of "uncooked" CRCs */ + if (crtc_state->crc_frame_skip_count < 2) { + crtc_state->crc_frame_skip_count++; + return 0; + } + + if (crtc_state->crc_source == DPU_CRTC_CRC_SOURCE_LAYER_MIXER) + return dpu_crtc_get_lm_crc(crtc, crtc_state); + + return 0; +} + static bool dpu_crtc_get_scanout_position(struct drm_crtc *crtc, bool in_vblank_irq, int *vpos, int *hpos,