From mboxrd@z Thu Jan 1 00:00:00 1970 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 B9194CCA47B for ; Tue, 28 Jun 2022 02:30:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240866AbiF1CaO (ORCPT ); Mon, 27 Jun 2022 22:30:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40428 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244146AbiF1C0j (ORCPT ); Mon, 27 Jun 2022 22:26:39 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06A77255BD; Mon, 27 Jun 2022 19:24:26 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id A2567B81C0E; Tue, 28 Jun 2022 02:24:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4EE11C36AE2; Tue, 28 Jun 2022 02:24:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1656383063; bh=nLzmZbTw2HL1O4R0LPpdJNQxpaUQEQIt/EU7J6R4EMU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BmFjlRVqJxsjqIIbbOjCKttJGxYZokIstcN6J9RGaFW+VgFdM1o2ss1zFKkG85Dwp fTJd0pugBamshfantPbbAKBkHFUSI6nD2piy7qqrXStfTSHWsQW97R5V4EZqMgsV44 h/faQ4UyMLqnXUZ521aG9D3KWkME84I1om+gz4iEMGbbQDEPvcM59WEl2m89j1DFK3 lX16QymSpk92U8uAdcWqTppcJAKtjrVq1fPJMtfoIKttqks3GtsphFAgRMQd2fcN/R j3D7qz7Jzm0opLtctlkSLB0g21zn8woLQK/tBdz47zglPfhbj6VIbgADa1ByjncFdv LCiEA1bKf60FQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Maxime Ripard , Melissa Wen , Sasha Levin , emma@anholt.net, mripard@kernel.org, airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.4 05/27] drm/vc4: crtc: Move the BO handling out of common page-flip callback Date: Mon, 27 Jun 2022 22:23:51 -0400 Message-Id: <20220628022413.596341-5-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220628022413.596341-1-sashal@kernel.org> References: <20220628022413.596341-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Maxime Ripard [ Upstream commit 4d12c36fb73b5c49fe2f95d06515fd9846010fd2 ] We'll soon introduce another completion callback source that won't need to use the BO reference counting, so let's move it around to create a function we will be able to share between both callbacks. Reviewed-by: Melissa Wen Signed-off-by: Maxime Ripard Link: https://lore.kernel.org/r/20220610115149.964394-11-maxime@cerno.tech Signed-off-by: Sasha Levin --- drivers/gpu/drm/vc4/vc4_crtc.c | 34 ++++++++++++++++++++-------------- 1 file changed, 20 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index c2ff62917c09..a977172ba26f 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -862,21 +862,8 @@ vc4_async_page_flip_complete(struct vc4_async_flip_state *flip_state) drm_crtc_vblank_put(crtc); drm_framebuffer_put(flip_state->fb); - /* Decrement the BO usecnt in order to keep the inc/dec calls balanced - * when the planes are updated through the async update path. - * FIXME: we should move to generic async-page-flip when it's - * available, so that we can get rid of this hand-made cleanup_fb() - * logic. - */ - if (flip_state->old_fb) { - struct drm_gem_cma_object *cma_bo; - struct vc4_bo *bo; - - cma_bo = drm_fb_cma_get_gem_obj(flip_state->old_fb, 0); - bo = to_vc4_bo(&cma_bo->base); - vc4_bo_dec_usecnt(bo); + if (flip_state->old_fb) drm_framebuffer_put(flip_state->old_fb); - } kfree(flip_state); @@ -887,8 +874,27 @@ static void vc4_async_page_flip_seqno_complete(struct vc4_seqno_cb *cb) { struct vc4_async_flip_state *flip_state = container_of(cb, struct vc4_async_flip_state, cb.seqno); + struct vc4_bo *bo = NULL; + + if (flip_state->old_fb) { + struct drm_gem_cma_object *cma_bo = + drm_fb_cma_get_gem_obj(flip_state->old_fb, 0); + bo = to_vc4_bo(&cma_bo->base); + } vc4_async_page_flip_complete(flip_state); + + /* + * Decrement the BO usecnt in order to keep the inc/dec + * calls balanced when the planes are updated through + * the async update path. + * + * FIXME: we should move to generic async-page-flip when + * it's available, so that we can get rid of this + * hand-made cleanup_fb() logic. + */ + if (bo) + vc4_bo_dec_usecnt(bo); } /* Implements async (non-vblank-synced) page flips. -- 2.35.1