forked from Minki/linux
f164a94c2c
UAPI Changes:
- New fourcc identifier for ARM Framebuffer Compression v1.3
Cross-subsystem Changes:
Core Changes:
- Reorganisation of drm_device and drm_framebuffer headers
- Cleanup of the drmP inclusion
- Fix leaks in the fb-helpers
- Allow for depth different from bpp in fb-helper fbdev emulation
- Remove drm_mode_object from drm_display_mode
Driver Changes:
- Add reflection properties to rockchip
- a bunch of fixes for virtio
- a bunch of fixes for dp_mst and drivers using it, and introduction of a
new refcounting scheme
- Convertion of bochs to atomic and generic fbdev emulation
- Allow meson to remove the firmware framebuffers
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Merge tag 'drm-misc-next-2019-01-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.1:
UAPI Changes:
- New fourcc identifier for ARM Framebuffer Compression v1.3
Cross-subsystem Changes:
Core Changes:
- Reorganisation of drm_device and drm_framebuffer headers
- Cleanup of the drmP inclusion
- Fix leaks in the fb-helpers
- Allow for depth different from bpp in fb-helper fbdev emulation
- Remove drm_mode_object from drm_display_mode
Driver Changes:
- Add reflection properties to rockchip
- a bunch of fixes for virtio
- a bunch of fixes for dp_mst and drivers using it, and introduction of a
new refcounting scheme
- Convertion of bochs to atomic and generic fbdev emulation
- Allow meson to remove the firmware framebuffers
[airlied: patch rcar-du to add drm_modes.h]
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190116200428.u2n4jbk4mzza7n6e@flea
114 lines
2.7 KiB
C
114 lines
2.7 KiB
C
/*
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* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "edp.h"
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struct edp_bridge {
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struct drm_bridge base;
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struct msm_edp *edp;
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};
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#define to_edp_bridge(x) container_of(x, struct edp_bridge, base)
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void edp_bridge_destroy(struct drm_bridge *bridge)
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{
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}
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static void edp_bridge_pre_enable(struct drm_bridge *bridge)
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{
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struct edp_bridge *edp_bridge = to_edp_bridge(bridge);
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struct msm_edp *edp = edp_bridge->edp;
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DBG("");
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msm_edp_ctrl_power(edp->ctrl, true);
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}
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static void edp_bridge_enable(struct drm_bridge *bridge)
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{
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DBG("");
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}
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static void edp_bridge_disable(struct drm_bridge *bridge)
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{
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DBG("");
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}
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static void edp_bridge_post_disable(struct drm_bridge *bridge)
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{
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struct edp_bridge *edp_bridge = to_edp_bridge(bridge);
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struct msm_edp *edp = edp_bridge->edp;
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DBG("");
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msm_edp_ctrl_power(edp->ctrl, false);
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}
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static void edp_bridge_mode_set(struct drm_bridge *bridge,
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const struct drm_display_mode *mode,
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const struct drm_display_mode *adjusted_mode)
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{
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struct drm_device *dev = bridge->dev;
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struct drm_connector *connector;
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struct edp_bridge *edp_bridge = to_edp_bridge(bridge);
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struct msm_edp *edp = edp_bridge->edp;
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DBG("set mode: " DRM_MODE_FMT, DRM_MODE_ARG(mode));
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list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
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if ((connector->encoder != NULL) &&
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(connector->encoder->bridge == bridge)) {
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msm_edp_ctrl_timing_cfg(edp->ctrl,
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adjusted_mode, &connector->display_info);
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break;
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}
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}
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}
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static const struct drm_bridge_funcs edp_bridge_funcs = {
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.pre_enable = edp_bridge_pre_enable,
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.enable = edp_bridge_enable,
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.disable = edp_bridge_disable,
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.post_disable = edp_bridge_post_disable,
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.mode_set = edp_bridge_mode_set,
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};
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/* initialize bridge */
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struct drm_bridge *msm_edp_bridge_init(struct msm_edp *edp)
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{
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struct drm_bridge *bridge = NULL;
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struct edp_bridge *edp_bridge;
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int ret;
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edp_bridge = devm_kzalloc(edp->dev->dev,
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sizeof(*edp_bridge), GFP_KERNEL);
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if (!edp_bridge) {
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ret = -ENOMEM;
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goto fail;
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}
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edp_bridge->edp = edp;
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bridge = &edp_bridge->base;
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bridge->funcs = &edp_bridge_funcs;
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ret = drm_bridge_attach(edp->encoder, bridge, NULL);
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if (ret)
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goto fail;
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return bridge;
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fail:
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if (bridge)
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edp_bridge_destroy(bridge);
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return ERR_PTR(ret);
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}
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