![Daniel Vetter](/assets/img/avatar_default.png)
It's dead code, the core handles all this directly now. This also allows us to unexport drm_atomic_plane_set_property. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Cc: Mali DP Maintainers <malidp@foss.arm.com> Cc: Boris Brezillon <boris.brezillon@free-electrons.com> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Sean Paul <seanpaul@chromium.org> Cc: David Airlie <airlied@linux.ie> Cc: Inki Dae <inki.dae@samsung.com> Cc: Joonyoung Shim <jy0922.shim@samsung.com> Cc: Seung-Woo Kim <sw0312.kim@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org> Cc: Vincent Abriou <vincent.abriou@st.com> Cc: Yannick Fertre <yannick.fertre@st.com> Cc: Philippe Cornu <philippe.cornu@st.com> Cc: Jyri Sarha <jsarha@ti.com> Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com> Cc: Rongrong Zou <zourongrong@gmail.com> Cc: Shawn Guo <shawn.guo@linaro.org> Cc: Alexey Brodkin <abrodkin@synopsys.com> Cc: Eric Engestrom <eric@engestrom.ch> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Rob Clark <robdclark@gmail.com> Cc: Archit Taneja <architt@codeaurora.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: intel-gfx@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Cc: Thomas Hellstrom <thellstrom@vmware.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170725080122.20548-6-daniel.vetter@ffwll.ch Reviewed-by: Archit Taneja <architt@codeaurora.org> Acked-by: Philippe Cornu <philippe.cornu@st.com> Tested-by: Philippe Cornu <philippe.cornu@st.com> Acked-by: Liviu Dudau <Liviu.Dudau@arm.com> Acked-by: Vincent Abriou <vincent.abriou@st.com> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
130 lines
3.4 KiB
C
130 lines
3.4 KiB
C
/*
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* Copyright (C) 2015 Texas Instruments
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* Author: Jyri Sarha <jsarha@ti.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <drm/drmP.h>
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#include <drm/drm_atomic.h>
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#include <drm/drm_plane_helper.h>
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#include <drm/drm_atomic_helper.h>
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#include <uapi/drm/drm_fourcc.h>
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#include "tilcdc_drv.h"
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static struct drm_plane_funcs tilcdc_plane_funcs = {
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.update_plane = drm_atomic_helper_update_plane,
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.disable_plane = drm_atomic_helper_disable_plane,
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.destroy = drm_plane_cleanup,
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.reset = drm_atomic_helper_plane_reset,
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.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
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.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
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};
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static int tilcdc_plane_atomic_check(struct drm_plane *plane,
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struct drm_plane_state *state)
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{
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struct drm_crtc_state *crtc_state;
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struct drm_plane_state *old_state = plane->state;
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unsigned int pitch;
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if (!state->crtc)
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return 0;
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if (WARN_ON(!state->fb))
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return -EINVAL;
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if (state->crtc_x || state->crtc_y) {
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dev_err(plane->dev->dev, "%s: crtc position must be zero.",
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__func__);
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return -EINVAL;
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}
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crtc_state = drm_atomic_get_existing_crtc_state(state->state,
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state->crtc);
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/* we should have a crtc state if the plane is attached to a crtc */
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if (WARN_ON(!crtc_state))
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return 0;
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if (crtc_state->mode.hdisplay != state->crtc_w ||
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crtc_state->mode.vdisplay != state->crtc_h) {
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dev_err(plane->dev->dev,
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"%s: Size must match mode (%dx%d == %dx%d)", __func__,
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crtc_state->mode.hdisplay, crtc_state->mode.vdisplay,
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state->crtc_w, state->crtc_h);
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return -EINVAL;
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}
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pitch = crtc_state->mode.hdisplay *
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state->fb->format->cpp[0];
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if (state->fb->pitches[0] != pitch) {
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dev_err(plane->dev->dev,
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"Invalid pitch: fb and crtc widths must be the same");
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return -EINVAL;
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}
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if (state->fb && old_state->fb &&
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state->fb->format != old_state->fb->format) {
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dev_dbg(plane->dev->dev,
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"%s(): pixel format change requires mode_change\n",
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__func__);
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crtc_state->mode_changed = true;
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}
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return 0;
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}
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static void tilcdc_plane_atomic_update(struct drm_plane *plane,
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struct drm_plane_state *old_state)
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{
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struct drm_plane_state *state = plane->state;
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if (!state->crtc)
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return;
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if (WARN_ON(!state->fb || !state->crtc->state))
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return;
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tilcdc_crtc_update_fb(state->crtc,
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state->fb,
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state->crtc->state->event);
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}
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static const struct drm_plane_helper_funcs plane_helper_funcs = {
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.atomic_check = tilcdc_plane_atomic_check,
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.atomic_update = tilcdc_plane_atomic_update,
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};
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int tilcdc_plane_init(struct drm_device *dev,
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struct drm_plane *plane)
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{
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struct tilcdc_drm_private *priv = dev->dev_private;
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int ret;
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ret = drm_plane_init(dev, plane, 1,
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&tilcdc_plane_funcs,
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priv->pixelformats,
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priv->num_pixelformats,
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true);
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if (ret) {
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dev_err(dev->dev, "Failed to initialize plane: %d\n", ret);
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return ret;
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}
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drm_plane_helper_add(plane, &plane_helper_funcs);
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return 0;
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}
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