From patchwork Thu Jun 15 02:33:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gustavo Padovan X-Patchwork-Id: 9787867 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 CB7AE602C9 for ; Thu, 15 Jun 2017 02:34:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BB85B283CF for ; Thu, 15 Jun 2017 02:34:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B077E284A8; Thu, 15 Jun 2017 02:34:01 +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=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=unavailable 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 5A49C283CF for ; Thu, 15 Jun 2017 02:34:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8F5476E6AE; Thu, 15 Jun 2017 02:33:32 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pf0-f194.google.com (mail-pf0-f194.google.com [209.85.192.194]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2D1BA6E6A2; Thu, 15 Jun 2017 02:33:27 +0000 (UTC) Received: by mail-pf0-f194.google.com with SMTP id s66so219379pfs.2; Wed, 14 Jun 2017 19:33:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=yGU+mPeD0/1PNy5LRb62JyeOBkP9kVFOP543NaLqvc0=; b=NMyzideKm2+zoD0jRtFw5P5L8dKgwW39sKItIHRzyvxM5pBkCrpQsJVYtxPgm95Mh5 x9S6fBMvWLrmiRIOH8NGFEMAkiVYQqyaUTnhawlh6FfI//g6dWINrzZLUdy+jWUYEUfw WyWGry2hzg39BUvEJetMOIVh6dLtVnK9Gj32cZFKkdNbx8C74Q9RXtT//RCvljz1Ohlk oXeJigeZlyO2Pvrct1oJRKpUeuYRmdU97NwIauIXumY3YAZQkBsXM/Cvu1Fw5Cp1vfWl +MH+MpqMcSrjOHmejvCqjQ40M6hZkXMfDpbBqX68CCcHeTtAoZF1/KTJYbnTksWmf0oZ 9UTA== X-Gm-Message-State: AKS2vOzeVGAAceGBkKfeoPMAs5SZYqE9lvBMgTvH2dwUqPUYdRbXc42M oJ4+AahkuXYkTVsA7n8= X-Received: by 10.84.197.129 with SMTP id n1mr3451075pld.179.1497494006421; Wed, 14 Jun 2017 19:33:26 -0700 (PDT) Received: from jade.nodan1.kt.home.ne.jp (202-72-64-244.koalanet.ne.jp. [202.72.64.244]) by smtp.gmail.com with ESMTPSA id n15sm2152338pgs.61.2017.06.14.19.33.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 14 Jun 2017 19:33:25 -0700 (PDT) From: Gustavo Padovan To: dri-devel@lists.freedesktop.org Subject: [PATCH v2 6/6] drm/vc4: update cursors asynchronously through atomic Date: Thu, 15 Jun 2017 11:33:05 +0900 Message-Id: <20170615023305.17410-7-gustavo@padovan.org> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170615023305.17410-1-gustavo@padovan.org> References: <20170615023305.17410-1-gustavo@padovan.org> MIME-Version: 1.0 Cc: Gustavo Padovan , intel-gfx@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Gustavo Padovan Add support for async updates of cursors by using the new atomic interface for that. Basically what this commit does is do what vc4_update_plane() did but through atomic. v4: add drm_atomic_helper_async() commit (Eric Anholt) v3: move size checks back to drivers (Ville Syrjälä) v2: move fb setting to core and use new state (Eric Anholt) Cc: Eric Anholt Signed-off-by: Gustavo Padovan --- Only build tested! drivers/gpu/drm/vc4/vc4_kms.c | 20 +++++++++ drivers/gpu/drm/vc4/vc4_plane.c | 99 +++++++++++++++-------------------------- 2 files changed, 55 insertions(+), 64 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index 928d191..08ff231 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -113,6 +113,26 @@ static int vc4_atomic_commit(struct drm_device *dev, struct drm_plane *plane; struct drm_plane_state *new_state; + if (state->async_update) { + ret = down_interruptible(&vc4->async_modeset); + if (ret) + return ret; + + ret = drm_atomic_helper_prepare_planes(dev, state); + if (ret) { + up(&vc4->async_modeset); + return ret; + } + + drm_atomic_helper_async_commit(dev, state); + + drm_atomic_helper_cleanup_planes(dev, state); + + up(&vc4->async_modeset); + + return 0; + } + c = commit_init(state); if (!c) return -ENOMEM; diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index da18dec..44d3a01 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -736,70 +736,38 @@ void vc4_plane_async_set_fb(struct drm_plane *plane, struct drm_framebuffer *fb) vc4_state->dlist[vc4_state->ptr0_offset] = addr; } -static const struct drm_plane_helper_funcs vc4_plane_helper_funcs = { - .atomic_check = vc4_plane_atomic_check, - .atomic_update = vc4_plane_atomic_update, -}; - -static void vc4_plane_destroy(struct drm_plane *plane) -{ - drm_plane_helper_disable(plane); - drm_plane_cleanup(plane); -} - -/* Implements immediate (non-vblank-synced) updates of the cursor - * position, or falls back to the atomic helper otherwise. - */ -static int -vc4_update_plane(struct drm_plane *plane, - struct drm_crtc *crtc, - struct drm_framebuffer *fb, - int crtc_x, int crtc_y, - unsigned int crtc_w, unsigned int crtc_h, - uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h, - struct drm_modeset_acquire_ctx *ctx) +static int vc4_plane_atomic_async_check(struct drm_plane *plane, + struct drm_plane_state *state) { - struct drm_plane_state *plane_state; - struct vc4_plane_state *vc4_state; - - if (plane != crtc->cursor) - goto out; - - plane_state = plane->state; - vc4_state = to_vc4_plane_state(plane_state); + if (plane != state->crtc->cursor) + return -EINVAL; - if (!plane_state) - goto out; + if (!plane->state) + return -EINVAL; /* No configuring new scaling in the fast path. */ - if (crtc_w != plane_state->crtc_w || - crtc_h != plane_state->crtc_h || - src_w != plane_state->src_w || - src_h != plane_state->src_h) { - goto out; + if (state->crtc_w != plane->state->crtc_w || + state->crtc_h != plane->state->crtc_h || + state->src_w != plane->state->src_w || + state->src_h != plane->state->src_h) { + return -EINVAL; } - if (fb != plane_state->fb) { - drm_atomic_set_fb_for_plane(plane->state, fb); - vc4_plane_async_set_fb(plane, fb); - } + return 0; +} - /* Set the cursor's position on the screen. This is the - * expected change from the drm_mode_cursor_universal() - * helper. - */ - plane_state->crtc_x = crtc_x; - plane_state->crtc_y = crtc_y; +static void vc4_plane_atomic_async_update(struct drm_plane *plane, + struct drm_plane_state *new_state) +{ + struct vc4_plane_state *vc4_state = to_vc4_plane_state(plane->state); - /* Allow changing the start position within the cursor BO, if - * that matters. - */ - plane_state->src_x = src_x; - plane_state->src_y = src_y; + plane->state->src_x = new_state->src_x; + plane->state->src_y = new_state->src_y; + plane->state->crtc_x = new_state->crtc_x; + plane->state->crtc_y = new_state->crtc_y; - /* Update the display list based on the new crtc_x/y. */ - vc4_plane_atomic_check(plane, plane_state); + if (plane->state->fb != new_state->fb) + vc4_plane_async_set_fb(plane, new_state->fb); /* Note that we can't just call vc4_plane_write_dlist() * because that would smash the context data that the HVS is @@ -811,20 +779,23 @@ vc4_update_plane(struct drm_plane *plane, &vc4_state->hw_dlist[vc4_state->pos2_offset]); writel(vc4_state->dlist[vc4_state->ptr0_offset], &vc4_state->hw_dlist[vc4_state->ptr0_offset]); +} - return 0; +static const struct drm_plane_helper_funcs vc4_plane_helper_funcs = { + .atomic_check = vc4_plane_atomic_check, + .atomic_update = vc4_plane_atomic_update, + .atomic_async_check = vc4_plane_atomic_async_check, + .atomic_async_update = vc4_plane_atomic_async_update, +}; -out: - return drm_atomic_helper_update_plane(plane, crtc, fb, - crtc_x, crtc_y, - crtc_w, crtc_h, - src_x, src_y, - src_w, src_h, - ctx); +static void vc4_plane_destroy(struct drm_plane *plane) +{ + drm_plane_helper_disable(plane); + drm_plane_cleanup(plane); } static const struct drm_plane_funcs vc4_plane_funcs = { - .update_plane = vc4_update_plane, + .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, .destroy = vc4_plane_destroy, .set_property = NULL,