From patchwork Fri Jun 30 18:03:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gustavo Padovan X-Patchwork-Id: 9820239 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 85C8E602B1 for ; Fri, 30 Jun 2017 18:04:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C662F286B6 for ; Fri, 30 Jun 2017 18:04:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BAFCD286C1; Fri, 30 Jun 2017 18:04:10 +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=-3.7 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RCVD_IN_SORBS_SPAM 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 B9AF5286B6 for ; Fri, 30 Jun 2017 18:04:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BBFA16E877; Fri, 30 Jun 2017 18:03:44 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-qt0-f193.google.com (mail-qt0-f193.google.com [209.85.216.193]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5237A6E872; Fri, 30 Jun 2017 18:03:42 +0000 (UTC) Received: by mail-qt0-f193.google.com with SMTP id c20so15954741qte.0; Fri, 30 Jun 2017 11:03:42 -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=Ru2a5n8NMrsiKsIExPqbWyU5VFPFGuQm1nQxwBBXHng=; b=NUvqMcGH0s8R6wnPKKPIjjom0W7z6XXFs3N0dHhjNqkAfVnp/ZV5X87g80Tpf+4sT5 PqkHwz4CMIHLjpGzTwVcFEgpcq8cSu7Lq2F5MXK3PpWoSBJvcdxnExE1zxfmzuZO5tPp nbzEbMR2GvZIsrO63FnxLR3HPbtTBKlioMQDs5GxtgWo5kYtN5W6w5BXhHaJPZoQoBuO mNL4jOKlwUtqurv8jXw70teb+FCLIXcpSL+lP1ueQFmNyw8MjjPzdbkDqE9l2lo7RH8t b2XciIlvvgtPDvBy0ESrp7TxSv5bThcA3M3Q17D2SMYqU1vPXdB/POr29psy4J2FdXjd 1LUg== X-Gm-Message-State: AKS2vOxHkWvjoN4VKkU7Qc8nnUF0+EGrWfIpFwz5S7xmyZnMrjLBCtjT gTi6qfObQTGE+avTiT0= X-Received: by 10.237.62.84 with SMTP id m20mr27808815qtf.179.1498845821199; Fri, 30 Jun 2017 11:03:41 -0700 (PDT) Received: from localhost.localdomain ([177.9.58.168]) by smtp.gmail.com with ESMTPSA id z43sm6728334qtg.59.2017.06.30.11.03.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 30 Jun 2017 11:03:40 -0700 (PDT) From: Gustavo Padovan To: dri-devel@lists.freedesktop.org Date: Fri, 30 Jun 2017 15:03:22 -0300 Message-Id: <20170630180322.29007-7-gustavo@padovan.org> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170630180322.29007-1-gustavo@padovan.org> References: <20170630180322.29007-1-gustavo@padovan.org> MIME-Version: 1.0 Cc: Gustavo Padovan , intel-gfx@lists.freedesktop.org Subject: [Intel-gfx] [PATCH v4 6/6] drm/vc4: update cursors asynchronously through atomic X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" 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. v5: add missing call to vc4_plane_atomic_check() (Eric Anholt) 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 Reviewed-by: Eric Anholt Signed-off-by: Eric Anholt --- drivers/gpu/drm/vc4/vc4_kms.c | 20 +++++++ drivers/gpu/drm/vc4/vc4_plane.c | 128 ++++++++++++++++------------------------ 2 files changed, 71 insertions(+), 77 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index 27edae4..efd2656 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -95,6 +95,26 @@ static int vc4_atomic_commit(struct drm_device *dev, struct vc4_dev *vc4 = to_vc4_dev(dev); int ret; + 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; + } + ret = drm_atomic_helper_setup_commit(state, nonblock); if (ret) return ret; diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index 8853e9a..52bf74c 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -759,87 +759,41 @@ void vc4_plane_async_set_fb(struct drm_plane *plane, struct drm_framebuffer *fb) vc4_state->dlist[vc4_state->ptr0_offset] = addr; } -static int vc4_prepare_fb(struct drm_plane *plane, - struct drm_plane_state *state) +static int vc4_plane_atomic_async_check(struct drm_plane *plane, + struct drm_plane_state *state) { - struct vc4_bo *bo; - struct dma_fence *fence; + if (plane != state->crtc->cursor) + return -EINVAL; - if ((plane->state->fb == state->fb) || !state->fb) - return 0; + if (!plane->state) + return -EINVAL; - bo = to_vc4_bo(&drm_fb_cma_get_gem_obj(state->fb, 0)->base); - fence = reservation_object_get_excl_rcu(bo->resv); - drm_atomic_set_fence_for_plane(state, fence); + /* No configuring new scaling in the fast path. */ + 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; + } 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, - .prepare_fb = vc4_prepare_fb, -}; - -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 void vc4_plane_atomic_async_update(struct drm_plane *plane, + struct drm_plane_state *new_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) - goto out; - - /* 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 (fb != plane_state->fb) { - drm_atomic_set_fb_for_plane(plane->state, fb); - vc4_plane_async_set_fb(plane, fb); - } + struct vc4_plane_state *vc4_state = to_vc4_plane_state(plane->state); - /* 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; + 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; - /* Allow changing the start position within the cursor BO, if - * that matters. - */ - plane_state->src_x = src_x; - plane_state->src_y = src_y; + if (plane->state->fb != new_state->fb) + vc4_plane_async_set_fb(plane, new_state->fb); /* Update the display list based on the new crtc_x/y. */ - vc4_plane_atomic_check(plane, plane_state); + vc4_plane_atomic_check(plane, plane->state); /* Note that we can't just call vc4_plane_write_dlist() * because that would smash the context data that the HVS is @@ -851,20 +805,40 @@ 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]); +} + +static int vc4_prepare_fb(struct drm_plane *plane, + struct drm_plane_state *state) +{ + struct vc4_bo *bo; + struct dma_fence *fence; + + if ((plane->state->fb == state->fb) || !state->fb) + return 0; + + bo = to_vc4_bo(&drm_fb_cma_get_gem_obj(state->fb, 0)->base); + fence = reservation_object_get_excl_rcu(bo->resv); + drm_atomic_set_fence_for_plane(state, fence); 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, + .prepare_fb = vc4_prepare_fb, +}; -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,