From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932115AbdCIKGb (ORCPT ); Thu, 9 Mar 2017 05:06:31 -0500 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76]:51358 "EHLO wens.csie.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754310AbdCIKG2 (ORCPT ); Thu, 9 Mar 2017 05:06:28 -0500 From: Chen-Yu Tsai To: Maxime Ripard , David Airlie Cc: Chen-Yu Tsai , dri-devel@lists.freedesktop.org, linux-sunxi@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 05/11] drm/sun4i: Pass pointers for associated backend and tcon into crtc init Date: Thu, 9 Mar 2017 18:05:28 +0800 Message-Id: <20170309100534.14023-6-wens@csie.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170309100534.14023-1-wens@csie.org> References: <20170309100534.14023-1-wens@csie.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org sun4i_crtc controls the backend and tcon hardware blocks of the display pipeline. Pass pointers to the underlying devices into the crtc init function, instead of trying to fetch them from the drm_device structure. This avoids the headache of trying to figure out which devices the crtc is actually associated with. Signed-off-by: Chen-Yu Tsai --- drivers/gpu/drm/sun4i/sun4i_crtc.c | 9 +++++---- drivers/gpu/drm/sun4i/sun4i_crtc.h | 4 +++- drivers/gpu/drm/sun4i/sun4i_tcon.c | 2 +- 3 files changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/sun4i_crtc.c index 5323e3485988..221e6d5ee970 100644 --- a/drivers/gpu/drm/sun4i/sun4i_crtc.c +++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c @@ -134,9 +134,10 @@ static const struct drm_crtc_funcs sun4i_crtc_funcs = { .disable_vblank = sun4i_crtc_disable_vblank, }; -struct sun4i_crtc *sun4i_crtc_init(struct drm_device *drm) +struct sun4i_crtc *sun4i_crtc_init(struct drm_device *drm, + struct sun4i_backend *backend, + struct sun4i_tcon *tcon) { - struct sun4i_drv *drv = drm->dev_private; struct sun4i_crtc *scrtc; struct drm_plane *primary = NULL, *cursor = NULL; int ret, i; @@ -144,8 +145,8 @@ struct sun4i_crtc *sun4i_crtc_init(struct drm_device *drm) scrtc = devm_kzalloc(drm->dev, sizeof(*scrtc), GFP_KERNEL); if (!scrtc) return ERR_PTR(-ENOMEM); - scrtc->backend = drv->backend; - scrtc->tcon = drv->tcon; + scrtc->backend = backend; + scrtc->tcon = tcon; /* Create our layers */ scrtc->layers = sun4i_layers_init(drm); diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.h b/drivers/gpu/drm/sun4i/sun4i_crtc.h index cd0e633cce3a..230cb8f0d601 100644 --- a/drivers/gpu/drm/sun4i/sun4i_crtc.h +++ b/drivers/gpu/drm/sun4i/sun4i_crtc.h @@ -27,6 +27,8 @@ static inline struct sun4i_crtc *drm_crtc_to_sun4i_crtc(struct drm_crtc *crtc) return container_of(crtc, struct sun4i_crtc, crtc); } -struct sun4i_crtc *sun4i_crtc_init(struct drm_device *drm); +struct sun4i_crtc *sun4i_crtc_init(struct drm_device *drm, + struct sun4i_backend *backend, + struct sun4i_tcon *tcon); #endif /* _SUN4I_CRTC_H_ */ diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index c52c482c8fd0..3ced0b1cef6e 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -528,7 +528,7 @@ static int sun4i_tcon_bind(struct device *dev, struct device *master, goto err_free_dotclock; } - tcon->crtc = sun4i_crtc_init(drm); + tcon->crtc = sun4i_crtc_init(drm, drv->backend, tcon); if (IS_ERR(tcon->crtc)) { dev_err(dev, "Couldn't create our CRTC\n"); ret = PTR_ERR(tcon->crtc); -- 2.11.0