Release 4.15 drivers/gpu/drm/nouveau/dispnv04/disp.c
  
  
  
/*
 * Copyright 2009 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Author: Ben Skeggs
 */
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include "nouveau_drv.h"
#include "nouveau_reg.h"
#include "hw.h"
#include "nouveau_encoder.h"
#include "nouveau_connector.h"
int
nv04_display_create(struct drm_device *dev)
{
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device);
	struct dcb_table *dcb = &drm->vbios.dcb;
	struct drm_connector *connector, *ct;
	struct drm_encoder *encoder;
	struct nouveau_encoder *nv_encoder;
	struct nouveau_crtc *crtc;
	struct nv04_display *disp;
	int i, ret;
	disp = kzalloc(sizeof(*disp), GFP_KERNEL);
	if (!disp)
		return -ENOMEM;
	nvif_object_map(&drm->client.device.object, NULL, 0);
	nouveau_display(dev)->priv = disp;
	nouveau_display(dev)->dtor = nv04_display_destroy;
	nouveau_display(dev)->init = nv04_display_init;
	nouveau_display(dev)->fini = nv04_display_fini;
	nouveau_hw_save_vga_fonts(dev, 1);
	nv04_crtc_create(dev, 0);
	if (nv_two_heads(dev))
		nv04_crtc_create(dev, 1);
	for (i = 0; i < dcb->entries; i++) {
		struct dcb_output *dcbent = &dcb->entry[i];
		connector = nouveau_connector_create(dev, dcbent->connector);
		if (IS_ERR(connector))
			continue;
		switch (dcbent->type) {
		case DCB_OUTPUT_ANALOG:
			ret = nv04_dac_create(connector, dcbent);
			break;
		case DCB_OUTPUT_LVDS:
		case DCB_OUTPUT_TMDS:
			ret = nv04_dfp_create(connector, dcbent);
			break;
		case DCB_OUTPUT_TV:
			if (dcbent->location == DCB_LOC_ON_CHIP)
				ret = nv17_tv_create(connector, dcbent);
			else
				ret = nv04_tv_create(connector, dcbent);
			break;
		default:
			NV_WARN(drm, "DCB type %d not known\n", dcbent->type);
			continue;
		}
		if (ret)
			continue;
	}
	list_for_each_entry_safe(connector, ct,
				 &dev->mode_config.connector_list, head) {
		if (!connector->encoder_ids[0]) {
			NV_WARN(drm, "%s has no encoders, removing\n",
				connector->name);
			connector->funcs->destroy(connector);
		}
	}
	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
		struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
		struct nvkm_i2c_bus *bus =
			nvkm_i2c_bus_find(i2c, nv_encoder->dcb->i2c_index);
		nv_encoder->i2c = bus ? &bus->i2c : NULL;
	}
	/* Save previous state */
	list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head)
		crtc->save(&crtc->base);
	list_for_each_entry(nv_encoder, &dev->mode_config.encoder_list, base.base.head)
		nv_encoder->enc_save(&nv_encoder->base.base);
	nouveau_overlay_init(dev);
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 423 | 92.56% | 17 | 77.27% | 
| Daniel Vetter | 20 | 4.38% | 2 | 9.09% | 
| Francisco Jerez | 7 | 1.53% | 1 | 4.55% | 
| Ilia Mirkin | 5 | 1.09% | 1 | 4.55% | 
| Jani Nikula | 2 | 0.44% | 1 | 4.55% | 
| Total | 457 | 100.00% | 22 | 100.00% | 
void
nv04_display_destroy(struct drm_device *dev)
{
	struct nv04_display *disp = nv04_display(dev);
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nouveau_encoder *encoder;
	struct nouveau_crtc *nv_crtc;
	/* Restore state */
	list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
		encoder->enc_restore(&encoder->base.base);
	list_for_each_entry(nv_crtc, &dev->mode_config.crtc_list, base.head)
		nv_crtc->restore(&nv_crtc->base);
	nouveau_hw_save_vga_fonts(dev, 0);
	nouveau_display(dev)->priv = NULL;
	kfree(disp);
	nvif_object_unmap(&drm->client.device.object);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 90 | 80.36% | 6 | 66.67% | 
| Daniel Vetter | 19 | 16.96% | 2 | 22.22% | 
| Francisco Jerez | 3 | 2.68% | 1 | 11.11% | 
| Total | 112 | 100.00% | 9 | 100.00% | 
int
nv04_display_init(struct drm_device *dev)
{
	struct nouveau_encoder *encoder;
	struct nouveau_crtc *crtc;
	/* meh.. modeset apparently doesn't setup all the regs and depends
         * on pre-existing state, for now load the state of the card *before*
         * nouveau was loaded, and then do a modeset.
         *
         * best thing to do probably is to make save/restore routines not
         * save/restore "pre-load" state, but more general so we can save
         * on suspend too.
         */
	list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head)
		crtc->save(&crtc->base);
	list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head)
		encoder->enc_save(&encoder->base.base);
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 35 | 56.45% | 1 | 33.33% | 
| Daniel Vetter | 22 | 35.48% | 1 | 33.33% | 
| Francisco Jerez | 5 | 8.06% | 1 | 33.33% | 
| Total | 62 | 100.00% | 3 | 100.00% | 
void
nv04_display_fini(struct drm_device *dev)
{
	/* disable vblank interrupts */
	NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);
	if (nv_two_heads(dev))
		NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 40 | 100.00% | 2 | 100.00% | 
| Total | 40 | 100.00% | 2 | 100.00% | 
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 608 | 87.73% | 21 | 75.00% | 
| Daniel Vetter | 61 | 8.80% | 2 | 7.14% | 
| Francisco Jerez | 15 | 2.16% | 2 | 7.14% | 
| Ilia Mirkin | 5 | 0.72% | 1 | 3.57% | 
| Jani Nikula | 2 | 0.29% | 1 | 3.57% | 
| David Howells | 2 | 0.29% | 1 | 3.57% | 
| Total | 693 | 100.00% | 28 | 100.00% | 
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.