From patchwork Mon Jun 18 13:32:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sravanthi Kollukuduru X-Patchwork-Id: 10471463 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id DE13F6032A for ; Mon, 18 Jun 2018 13:34:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CB411289D5 for ; Mon, 18 Jun 2018 13:34:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C010E289E5; Mon, 18 Jun 2018 13:34:07 +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 65BD4289D5 for ; Mon, 18 Jun 2018 13:34:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E226E6E425; Mon, 18 Jun 2018 13:33:56 +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 8FBFB6E024; Mon, 18 Jun 2018 13:33:55 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 7375760B3C; Mon, 18 Jun 2018 13:33:55 +0000 (UTC) Received: from skolluku-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: skolluku@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6DE5960B24; Mon, 18 Jun 2018 13:33:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6DE5960B24 From: Sravanthi Kollukuduru To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org Subject: [DPU PATCH v2 08/14] drm/msm/dpu: avoid querying for hw intf before assignment Date: Mon, 18 Jun 2018 19:02:46 +0530 Message-Id: <1529328772-5022-9-git-send-email-skolluku@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1529328772-5022-1-git-send-email-skolluku@codeaurora.org> References: <1529328772-5022-1-git-send-email-skolluku@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: Sravanthi Kollukuduru , hoegsberg@chromium.org MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Jeykumar Sankaran hw intf blocks are needed only during encoder enable to program timing engines(for video panels). encoder->enable is triggered only after atomic_modeset at which point we assign the resources for the display pipeline. This patch defers the hw_intf look-up until encoder enable. changes in v2: - none Signed-off-by: Jeykumar Sankaran Signed-off-by: Sravanthi Kollukuduru --- .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 53 +++++++--------------- 1 file changed, 16 insertions(+), 37 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c index f0b5762..3adc491 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c @@ -468,7 +468,7 @@ static void dpu_encoder_phys_vid_enable(struct dpu_encoder_phys *phys_enc) { struct msm_drm_private *priv; struct dpu_encoder_phys_vid *vid_enc; - struct dpu_hw_intf *intf; + struct dpu_rm_hw_iter iter; struct dpu_hw_ctl *ctl; u32 flush_mask = 0; @@ -480,11 +480,20 @@ static void dpu_encoder_phys_vid_enable(struct dpu_encoder_phys *phys_enc) priv = phys_enc->parent->dev->dev_private; vid_enc = to_dpu_encoder_phys_vid(phys_enc); - intf = vid_enc->hw_intf; ctl = phys_enc->hw_ctl; - if (!vid_enc->hw_intf || !phys_enc->hw_ctl) { - DPU_ERROR("invalid hw_intf %d hw_ctl %d\n", - vid_enc->hw_intf != 0, phys_enc->hw_ctl != 0); + + dpu_rm_init_hw_iter(&iter, phys_enc->parent->base.id, DPU_HW_BLK_INTF); + while (dpu_rm_get_hw(&phys_enc->dpu_kms->rm, &iter)) { + struct dpu_hw_intf *hw_intf = (struct dpu_hw_intf *)iter.hw; + + if (hw_intf->idx == phys_enc->intf_idx) { + vid_enc->hw_intf = hw_intf; + break; + } + } + + if (!vid_enc->hw_intf) { + DPU_ERROR("hw_intf not assigned\n"); return; } @@ -506,7 +515,7 @@ static void dpu_encoder_phys_vid_enable(struct dpu_encoder_phys *phys_enc) !dpu_encoder_phys_vid_is_master(phys_enc)) goto skip_flush; - ctl->ops.get_bitmask_intf(ctl, &flush_mask, intf->idx); + ctl->ops.get_bitmask_intf(ctl, &flush_mask, vid_enc->hw_intf->idx); ctl->ops.update_pending_flush(ctl, flush_mask); skip_flush: @@ -537,22 +546,13 @@ static void dpu_encoder_phys_vid_get_hw_resources( struct dpu_encoder_hw_resources *hw_res, struct drm_connector_state *conn_state) { - struct dpu_encoder_phys_vid *vid_enc; - if (!phys_enc || !hw_res) { DPU_ERROR("invalid arg(s), enc %d hw_res %d conn_state %d\n", phys_enc != 0, hw_res != 0, conn_state != 0); return; } - vid_enc = to_dpu_encoder_phys_vid(phys_enc); - if (!vid_enc->hw_intf) { - DPU_ERROR("invalid arg(s), hw_intf\n"); - return; - } - - DPU_DEBUG_VIDENC(vid_enc, "\n"); - hw_res->intfs[vid_enc->hw_intf->idx - INTF_0] = INTF_MODE_VIDEO; + hw_res->intfs[phys_enc->intf_idx - INTF_0] = INTF_MODE_VIDEO; } static int _dpu_encoder_phys_vid_wait_for_vblank( @@ -815,7 +815,6 @@ struct dpu_encoder_phys *dpu_encoder_phys_vid_init( { struct dpu_encoder_phys *phys_enc = NULL; struct dpu_encoder_phys_vid *vid_enc = NULL; - struct dpu_rm_hw_iter iter; struct dpu_encoder_irq *irq; int i, ret = 0; @@ -835,26 +834,6 @@ struct dpu_encoder_phys *dpu_encoder_phys_vid_init( phys_enc->hw_mdptop = p->dpu_kms->hw_mdp; phys_enc->intf_idx = p->intf_idx; - /** - * hw_intf resource permanently assigned to this encoder - * Other resources allocated at atomic commit time by use case - */ - dpu_rm_init_hw_iter(&iter, 0, DPU_HW_BLK_INTF); - while (dpu_rm_get_hw(&p->dpu_kms->rm, &iter)) { - struct dpu_hw_intf *hw_intf = (struct dpu_hw_intf *)iter.hw; - - if (hw_intf->idx == p->intf_idx) { - vid_enc->hw_intf = hw_intf; - break; - } - } - - if (!vid_enc->hw_intf) { - ret = -EINVAL; - DPU_ERROR("failed to get hw_intf\n"); - goto fail; - } - DPU_DEBUG_VIDENC(vid_enc, "\n"); dpu_encoder_phys_vid_init_ops(&phys_enc->ops);