From patchwork Thu Dec 29 19:18:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 637941 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25C1BC4708E for ; Thu, 29 Dec 2022 19:19:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233760AbiL2TTR (ORCPT ); Thu, 29 Dec 2022 14:19:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38684 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234000AbiL2TTO (ORCPT ); Thu, 29 Dec 2022 14:19:14 -0500 Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10CC5140A1 for ; Thu, 29 Dec 2022 11:19:13 -0800 (PST) Received: by mail-lf1-x12c.google.com with SMTP id bq39so20960770lfb.0 for ; Thu, 29 Dec 2022 11:19:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=0Y88wshf4G4QjIiNvHoOMZlGPhx7GeCKyuMT8pWLvWw=; b=dK9o+4qzIq9Ori/FpN2lLACwo8lN5LEdGHNSzfGjYkfPdTRkz3gQCyaNYUClugX3UL gipkWC1Z2Bgss2ykG7eFKi/+IsjORjFL1oXkhL0WM96pqnQpGldfcMeeTJRfbl7vy53j qpWL8U1QivpRJvDLwo7DlSQE7vV39EwqpGo00iWL6dZ8xyecS/nPrImuH+LdVfp/iad9 605XvQ/so2pdk1AmEfbHsVVHEk3T48AT+rnQ3Ot0IDCzevJO6axMpWScdHm39oKjxSvL xkYRMNwqAHq3DutbfCLs2+wCIX0oO289nCYGDJbdCmboNqd8n7dufJMBO4/OPUArplCN C4Kg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0Y88wshf4G4QjIiNvHoOMZlGPhx7GeCKyuMT8pWLvWw=; b=WlLArwWcQ6o5RunLYMowgEm89X+1BO+ySIjX1JxCeA2b+UUh3o0Nt29mT1/QKv7kpI Jx9uH71BiUyHtVeRg7AcTQKuqhYOIBag/k3RsY4IYxn2iitHVZEoL8f+k/eFpL1yBiZq 1U1o4JXXfIskfzcfS9NRqL9zHCxAHItgYBMd7+jLsXH2TkO6zhqn7gn7CQDF7PoWJU2K w+3aQTdExTCoyMCT5Y0oVUAOpgfgrK1gOgp59Pc3Wp6FJEQc0U/qedH+cDl4CK2wS6Xt +kziBUk6ey66OXMOC6pUMN7nNIFUtfbTTUeCL/Xg3+Wh5mGZUo+ooLJQVmBwd94iL0z6 db9Q== X-Gm-Message-State: AFqh2kr4EF0Aw/M3rfO3ClUiquhdetfio7KFkna6x7Hdh7HaeBdE6UbP qr6JcS4JipDoZOEB3K+qXiz9Aw== X-Google-Smtp-Source: AMrXdXvd+lB5HnYdHRSL1JQD66ETNkvuP2OvR38fWzflfBwrsFip4hIUCSKV6qL1KtVfdHzc3ZdJcQ== X-Received: by 2002:ac2:44d6:0:b0:4b5:4606:7ae3 with SMTP id d22-20020ac244d6000000b004b546067ae3mr7395264lfm.46.1672341551456; Thu, 29 Dec 2022 11:19:11 -0800 (PST) Received: from eriador.unikie.fi ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id t13-20020ac24c0d000000b004cb10c151fasm1162295lfq.88.2022.12.29.11.19.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Dec 2022 11:19:10 -0800 (PST) From: Dmitry Baryshkov To: Rob Clark , Sean Paul , Abhinav Kumar Cc: Stephen Boyd , David Airlie , Daniel Vetter , Bjorn Andersson , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org Subject: [PATCH v2 13/27] drm/msm/dpu: drop src_split and multirect check from dpu_crtc_atomic_check Date: Thu, 29 Dec 2022 21:18:42 +0200 Message-Id: <20221229191856.3508092-14-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221229191856.3508092-1-dmitry.baryshkov@linaro.org> References: <20221229191856.3508092-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Neither source split nor multirect are properly supported at this moment. Both of these checks depend on normalized_zpos being equal for several planes (which is never the case for normalized zpos). Drop these checks to simplify dpu_crtc_atomic_check(). The actual support for either of these features is not removed from the backend code (sspp, ctl, etc). Reviewed-by: Abhinav Kumar Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 166 ++--------------------- 1 file changed, 12 insertions(+), 154 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index 04833d91caac..cdaf48a849bc 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1105,13 +1105,6 @@ static void dpu_crtc_enable(struct drm_crtc *crtc, drm_crtc_vblank_on(crtc); } -struct plane_state { - struct dpu_plane_state *dpu_pstate; - const struct drm_plane_state *drm_pstate; - int stage; - u32 pipe_id; -}; - static bool dpu_crtc_needs_dirtyfb(struct drm_crtc_state *cstate) { struct drm_crtc *crtc = cstate->crtc; @@ -1133,29 +1126,22 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, crtc); struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc); struct dpu_crtc_state *cstate = to_dpu_crtc_state(crtc_state); - struct plane_state *pstates; const struct drm_plane_state *pstate; struct drm_plane *plane; struct drm_display_mode *mode; - int cnt = 0, rc = 0, mixer_width = 0, i, z_pos; + int rc = 0; - struct dpu_multirect_plane_states multirect_plane[DPU_STAGE_MAX * 2]; - int multirect_count = 0; - const struct drm_plane_state *pipe_staged[SSPP_MAX]; - int left_zpos_cnt = 0, right_zpos_cnt = 0; struct drm_rect crtc_rect = { 0 }; bool needs_dirtyfb = dpu_crtc_needs_dirtyfb(crtc_state); - pstates = kzalloc(sizeof(*pstates) * DPU_STAGE_MAX * 4, GFP_KERNEL); - if (!crtc_state->enable || !crtc_state->active) { DRM_DEBUG_ATOMIC("crtc%d -> enable %d, active %d, skip atomic_check\n", crtc->base.id, crtc_state->enable, crtc_state->active); memset(&cstate->new_perf, 0, sizeof(cstate->new_perf)); - goto end; + return 0; } mode = &crtc_state->adjusted_mode; @@ -1165,13 +1151,8 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, if (crtc_state->active_changed) crtc_state->mode_changed = true; - memset(pipe_staged, 0, sizeof(pipe_staged)); - - if (cstate->num_mixers) { - mixer_width = mode->hdisplay / cstate->num_mixers; - + if (cstate->num_mixers) _dpu_crtc_setup_lm_bounds(crtc, crtc_state); - } crtc_rect.x2 = mode->hdisplay; crtc_rect.y2 = mode->vdisplay; @@ -1180,38 +1161,21 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, drm_atomic_crtc_state_for_each_plane_state(plane, pstate, crtc_state) { struct dpu_plane_state *dpu_pstate = to_dpu_plane_state(pstate); struct drm_rect dst, clip = crtc_rect; + int z_pos; if (IS_ERR_OR_NULL(pstate)) { rc = PTR_ERR(pstate); DPU_ERROR("%s: failed to get plane%d state, %d\n", dpu_crtc->name, plane->base.id, rc); - goto end; + return rc; } - if (cnt >= DPU_STAGE_MAX * 4) - continue; if (!pstate->visible) continue; - pstates[cnt].dpu_pstate = dpu_pstate; - pstates[cnt].drm_pstate = pstate; - pstates[cnt].stage = pstate->normalized_zpos; - pstates[cnt].pipe_id = to_dpu_plane_state(pstate)->pipe.sspp->idx; - dpu_pstate->needs_dirtyfb = needs_dirtyfb; - if (pipe_staged[pstates[cnt].pipe_id]) { - multirect_plane[multirect_count].r0 = - pipe_staged[pstates[cnt].pipe_id]; - multirect_plane[multirect_count].r1 = pstate; - multirect_count++; - - pipe_staged[pstates[cnt].pipe_id] = NULL; - } else { - pipe_staged[pstates[cnt].pipe_id] = pstate; - } - - cnt++; + dpu_plane_clear_multirect(pstate); dst = drm_plane_state_dest(pstate); if (!drm_rect_intersect(&clip, &dst)) { @@ -1219,63 +1183,21 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, DPU_ERROR("display: " DRM_RECT_FMT " plane: " DRM_RECT_FMT "\n", DRM_RECT_ARG(&crtc_rect), DRM_RECT_ARG(&dst)); - rc = -E2BIG; - goto end; + return -E2BIG; } - } - for (i = 1; i < SSPP_MAX; i++) { - if (pipe_staged[i]) - dpu_plane_clear_multirect(pipe_staged[i]); - } - - z_pos = -1; - for (i = 0; i < cnt; i++) { - /* reset counts at every new blend stage */ - if (pstates[i].stage != z_pos) { - left_zpos_cnt = 0; - right_zpos_cnt = 0; - z_pos = pstates[i].stage; - } + z_pos = pstate->normalized_zpos; /* verify z_pos setting before using it */ if (z_pos >= DPU_STAGE_MAX - DPU_STAGE_0) { DPU_ERROR("> %d plane stages assigned\n", DPU_STAGE_MAX - DPU_STAGE_0); - rc = -EINVAL; - goto end; - } else if (pstates[i].drm_pstate->crtc_x < mixer_width) { - if (left_zpos_cnt == 2) { - DPU_ERROR("> 2 planes @ stage %d on left\n", - z_pos); - rc = -EINVAL; - goto end; - } - left_zpos_cnt++; - - } else { - if (right_zpos_cnt == 2) { - DPU_ERROR("> 2 planes @ stage %d on right\n", - z_pos); - rc = -EINVAL; - goto end; - } - right_zpos_cnt++; + return -EINVAL; } - pstates[i].dpu_pstate->stage = z_pos + DPU_STAGE_0; + to_dpu_plane_state(pstate)->stage = z_pos + DPU_STAGE_0; DRM_DEBUG_ATOMIC("%s: zpos %d\n", dpu_crtc->name, z_pos); - } - for (i = 0; i < multirect_count; i++) { - if (dpu_plane_validate_multirect_v2(&multirect_plane[i])) { - DPU_ERROR( - "multirect validation failed for planes (%d - %d)\n", - multirect_plane[i].r0->plane->base.id, - multirect_plane[i].r1->plane->base.id); - rc = -EINVAL; - goto end; - } } atomic_inc(&_dpu_crtc_get_kms(crtc)->bandwidth_ref); @@ -1284,74 +1206,10 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc, if (rc) { DPU_ERROR("crtc%d failed performance check %d\n", crtc->base.id, rc); - goto end; - } - - /* validate source split: - * use pstates sorted by stage to check planes on same stage - * we assume that all pipes are in source split so its valid to compare - * without taking into account left/right mixer placement - */ - for (i = 1; i < cnt; i++) { - struct plane_state *prv_pstate, *cur_pstate; - struct drm_rect left_rect, right_rect; - int32_t left_pid, right_pid; - int32_t stage; - - prv_pstate = &pstates[i - 1]; - cur_pstate = &pstates[i]; - if (prv_pstate->stage != cur_pstate->stage) - continue; - - stage = cur_pstate->stage; - - left_pid = prv_pstate->dpu_pstate->base.plane->base.id; - left_rect = drm_plane_state_dest(prv_pstate->drm_pstate); - - right_pid = cur_pstate->dpu_pstate->base.plane->base.id; - right_rect = drm_plane_state_dest(cur_pstate->drm_pstate); - - if (right_rect.x1 < left_rect.x1) { - swap(left_pid, right_pid); - swap(left_rect, right_rect); - } - - /** - * - planes are enumerated in pipe-priority order such that - * planes with lower drm_id must be left-most in a shared - * blend-stage when using source split. - * - planes in source split must be contiguous in width - * - planes in source split must have same dest yoff and height - */ - if (right_pid < left_pid) { - DPU_ERROR( - "invalid src split cfg. priority mismatch. stage: %d left: %d right: %d\n", - stage, left_pid, right_pid); - rc = -EINVAL; - goto end; - } else if (right_rect.x1 != drm_rect_width(&left_rect)) { - DPU_ERROR("non-contiguous coordinates for src split. " - "stage: %d left: " DRM_RECT_FMT " right: " - DRM_RECT_FMT "\n", stage, - DRM_RECT_ARG(&left_rect), - DRM_RECT_ARG(&right_rect)); - rc = -EINVAL; - goto end; - } else if (left_rect.y1 != right_rect.y1 || - drm_rect_height(&left_rect) != drm_rect_height(&right_rect)) { - DPU_ERROR("source split at stage: %d. invalid " - "yoff/height: left: " DRM_RECT_FMT " right: " - DRM_RECT_FMT "\n", stage, - DRM_RECT_ARG(&left_rect), - DRM_RECT_ARG(&right_rect)); - rc = -EINVAL; - goto end; - } + return rc; } -end: - kfree(pstates); - return rc; + return 0; } int dpu_crtc_vblank(struct drm_crtc *crtc, bool en)