WebSVN – Kolibri OS – Blame – /drivers/video/drm/vmwgfx/vmwgfx_kms.c

Rev	Author	Line No.	Line
4075	Serge	1	/**************************************************************************
		2	*
		3	* Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
		4	* All Rights Reserved.
		5	*
		6	* Permission is hereby granted, free of charge, to any person obtaining a
		7	* copy of this software and associated documentation files (the
		8	* "Software"), to deal in the Software without restriction, including
		9	* without limitation the rights to use, copy, modify, merge, publish,
		10	* distribute, sub license, and/or sell copies of the Software, and to
		11	* permit persons to whom the Software is furnished to do so, subject to
		12	* the following conditions:
		13	*
		14	* The above copyright notice and this permission notice (including the
		15	* next paragraph) shall be included in all copies or substantial portions
		16	* of the Software.
		17	*
		18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
		19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
		20	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
		21	* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
		22	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
		23	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
		24	* USE OR OTHER DEALINGS IN THE SOFTWARE.
		25	*
		26	**************************************************************************/
		27
		28	#include "vmwgfx_kms.h"
		29
		30
		31	/* Might need a hrtimer here? */
		32	#define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
		33
		34
		35	struct vmw_clip_rect {
		36	int x1, x2, y1, y2;
		37	};
		38
		39	/**
		40	* Clip @num_rects number of @rects against @clip storing the
		41	* results in @out_rects and the number of passed rects in @out_num.
		42	*/
		43	void vmw_clip_cliprects(struct drm_clip_rect *rects,
		44	int num_rects,
		45	struct vmw_clip_rect clip,
		46	SVGASignedRect *out_rects,
		47	int *out_num)
		48	{
		49	int i, k;
		50
		51	for (i = 0, k = 0; i < num_rects; i++) {
		52	int x1 = max_t(int, clip.x1, rects[i].x1);
		53	int y1 = max_t(int, clip.y1, rects[i].y1);
		54	int x2 = min_t(int, clip.x2, rects[i].x2);
		55	int y2 = min_t(int, clip.y2, rects[i].y2);
		56
		57	if (x1 >= x2)
		58	continue;
		59	if (y1 >= y2)
		60	continue;
		61
		62	out_rects[k].left = x1;
		63	out_rects[k].top = y1;
		64	out_rects[k].right = x2;
		65	out_rects[k].bottom = y2;
		66	k++;
		67	}
		68
		69	*out_num = k;
		70	}
		71
		72	void vmw_display_unit_cleanup(struct vmw_display_unit *du)
		73	{
		74	// if (du->cursor_surface)
		75	// vmw_surface_unreference(&du->cursor_surface);
		76	// if (du->cursor_dmabuf)
		77	// vmw_dmabuf_unreference(&du->cursor_dmabuf);
		78	drm_crtc_cleanup(&du->crtc);
		79	drm_encoder_cleanup(&du->encoder);
		80	drm_connector_cleanup(&du->connector);
		81	}
		82
		83	#if 0
		84	/*
		85	* Display Unit Cursor functions
		86	*/
		87
		88	int vmw_cursor_update_image(struct vmw_private *dev_priv,
		89	u32 *image, u32 width, u32 height,
		90	u32 hotspotX, u32 hotspotY)
		91	{
		92	struct {
		93	u32 cmd;
		94	SVGAFifoCmdDefineAlphaCursor cursor;
		95	} *cmd;
		96	u32 image_size = width * height * 4;
		97	u32 cmd_size = sizeof(*cmd) + image_size;
		98
		99	if (!image)
		100	return -EINVAL;
		101
		102	cmd = vmw_fifo_reserve(dev_priv, cmd_size);
		103	if (unlikely(cmd == NULL)) {
		104	DRM_ERROR("Fifo reserve failed.\n");
		105	return -ENOMEM;
		106	}
		107
		108	memset(cmd, 0, sizeof(*cmd));
		109
		110	memcpy(&cmd[1], image, image_size);
		111
		112	cmd->cmd = cpu_to_le32(SVGA_CMD_DEFINE_ALPHA_CURSOR);
		113	cmd->cursor.id = cpu_to_le32(0);
		114	cmd->cursor.width = cpu_to_le32(width);
		115	cmd->cursor.height = cpu_to_le32(height);
		116	cmd->cursor.hotspotX = cpu_to_le32(hotspotX);
		117	cmd->cursor.hotspotY = cpu_to_le32(hotspotY);
		118
		119	vmw_fifo_commit(dev_priv, cmd_size);
		120
		121	return 0;
		122	}
		123
		124	int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
		125	struct vmw_dma_buffer *dmabuf,
		126	u32 width, u32 height,
		127	u32 hotspotX, u32 hotspotY)
		128	{
		129	struct ttm_bo_kmap_obj map;
		130	unsigned long kmap_offset;
		131	unsigned long kmap_num;
		132	void *virtual;
		133	bool dummy;
		134	int ret;
		135
		136	kmap_offset = 0;
		137	kmap_num = (widthheight4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
		138
		139	ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
		140	if (unlikely(ret != 0)) {
		141	DRM_ERROR("reserve failed\n");
		142	return -EINVAL;
		143	}
		144
		145	ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
		146	if (unlikely(ret != 0))
		147	goto err_unreserve;
		148
		149	virtual = ttm_kmap_obj_virtual(&map, &dummy);
		150	ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
		151	hotspotX, hotspotY);
		152
		153	ttm_bo_kunmap(&map);
		154	err_unreserve:
		155	ttm_bo_unreserve(&dmabuf->base);
		156
		157	return ret;
		158	}
		159
		160
		161	void vmw_cursor_update_position(struct vmw_private *dev_priv,
		162	bool show, int x, int y)
		163	{
		164	__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
		165	uint32_t count;
		166
		167	iowrite32(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
		168	iowrite32(x, fifo_mem + SVGA_FIFO_CURSOR_X);
		169	iowrite32(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
		170	count = ioread32(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
		171	iowrite32(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
		172	}
		173
		174	int vmw_du_crtc_cursor_set(struct drm_crtc crtc, struct drm_file file_priv,
		175	uint32_t handle, uint32_t width, uint32_t height)
		176	{
		177	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
		178	struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
		179	struct vmw_surface *surface = NULL;
		180	struct vmw_dma_buffer *dmabuf = NULL;
		181	int ret;
		182
		183	/*
		184	* FIXME: Unclear whether there's any global state touched by the
		185	* cursor_set function, especially vmw_cursor_update_position looks
		186	* suspicious. For now take the easy route and reacquire all locks. We
		187	* can do this since the caller in the drm core doesn't check anything
		188	* which is protected by any looks.
		189	*/
		190	mutex_unlock(&crtc->mutex);
		191	drm_modeset_lock_all(dev_priv->dev);
		192
		193	/* A lot of the code assumes this */
		194	if (handle && (width != 64 \|\| height != 64)) {
		195	ret = -EINVAL;
		196	goto out;
		197	}
		198
		199	if (handle) {
		200	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
		201
		202	ret = vmw_user_lookup_handle(dev_priv, tfile,
		203	handle, &surface, &dmabuf);
		204	if (ret) {
		205	DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
		206	ret = -EINVAL;
		207	goto out;
		208	}
		209	}
		210
		211	/* need to do this before taking down old image */
		212	if (surface && !surface->snooper.image) {
		213	DRM_ERROR("surface not suitable for cursor\n");
		214	vmw_surface_unreference(&surface);
		215	ret = -EINVAL;
		216	goto out;
		217	}
		218
		219	/* takedown old cursor */
		220	if (du->cursor_surface) {
		221	du->cursor_surface->snooper.crtc = NULL;
		222	vmw_surface_unreference(&du->cursor_surface);
		223	}
		224	if (du->cursor_dmabuf)
		225	vmw_dmabuf_unreference(&du->cursor_dmabuf);
		226
		227	/* setup new image */
		228	if (surface) {
		229	/* vmw_user_surface_lookup takes one reference */
		230	du->cursor_surface = surface;
		231
		232	du->cursor_surface->snooper.crtc = crtc;
		233	du->cursor_age = du->cursor_surface->snooper.age;
		234	vmw_cursor_update_image(dev_priv, surface->snooper.image,
		235	64, 64, du->hotspot_x, du->hotspot_y);
		236	} else if (dmabuf) {
		237	/* vmw_user_surface_lookup takes one reference */
		238	du->cursor_dmabuf = dmabuf;
		239
		240	ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
		241	du->hotspot_x, du->hotspot_y);
		242	} else {
		243	vmw_cursor_update_position(dev_priv, false, 0, 0);
		244	ret = 0;
		245	goto out;
		246	}
		247
		248	vmw_cursor_update_position(dev_priv, true,
		249	du->cursor_x + du->hotspot_x,
		250	du->cursor_y + du->hotspot_y);
		251
		252	ret = 0;
		253	out:
		254	drm_modeset_unlock_all(dev_priv->dev);
		255	mutex_lock(&crtc->mutex);
		256
		257	return ret;
		258	}
		259
		260	int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
		261	{
		262	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
		263	struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
		264	bool shown = du->cursor_surface \|\| du->cursor_dmabuf ? true : false;
		265
		266	du->cursor_x = x + crtc->x;
		267	du->cursor_y = y + crtc->y;
		268
		269	/*
		270	* FIXME: Unclear whether there's any global state touched by the
		271	* cursor_set function, especially vmw_cursor_update_position looks
		272	* suspicious. For now take the easy route and reacquire all locks. We
		273	* can do this since the caller in the drm core doesn't check anything
		274	* which is protected by any looks.
		275	*/
		276	mutex_unlock(&crtc->mutex);
		277	drm_modeset_lock_all(dev_priv->dev);
		278
		279	vmw_cursor_update_position(dev_priv, shown,
		280	du->cursor_x + du->hotspot_x,
		281	du->cursor_y + du->hotspot_y);
		282
		283	drm_modeset_unlock_all(dev_priv->dev);
		284	mutex_lock(&crtc->mutex);
		285
		286	return 0;
		287	}
		288
		289	void vmw_kms_cursor_snoop(struct vmw_surface *srf,
		290	struct ttm_object_file *tfile,
		291	struct ttm_buffer_object *bo,
		292	SVGA3dCmdHeader *header)
		293	{
		294	struct ttm_bo_kmap_obj map;
		295	unsigned long kmap_offset;
		296	unsigned long kmap_num;
		297	SVGA3dCopyBox *box;
		298	unsigned box_count;
		299	void *virtual;
		300	bool dummy;
		301	struct vmw_dma_cmd {
		302	SVGA3dCmdHeader header;
		303	SVGA3dCmdSurfaceDMA dma;
		304	} *cmd;
		305	int i, ret;
		306
		307	cmd = container_of(header, struct vmw_dma_cmd, header);
		308
		309	/* No snooper installed */
		310	if (!srf->snooper.image)
		311	return;
		312
		313	if (cmd->dma.host.face != 0 \|\| cmd->dma.host.mipmap != 0) {
		314	DRM_ERROR("face and mipmap for cursors should never != 0\n");
		315	return;
		316	}
		317
		318	if (cmd->header.size < 64) {
		319	DRM_ERROR("at least one full copy box must be given\n");
		320	return;
		321	}
		322
		323	box = (SVGA3dCopyBox *)&cmd[1];
		324	box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
		325	sizeof(SVGA3dCopyBox);
		326
		327	if (cmd->dma.guest.ptr.offset % PAGE_SIZE \|\|
		328	box->x != 0 \|\| box->y != 0 \|\| box->z != 0 \|\|
		329	box->srcx != 0 \|\| box->srcy != 0 \|\| box->srcz != 0 \|\|
		330	box->d != 1 \|\| box_count != 1) {
		331	/* TODO handle none page aligned offsets */
		332	/* TODO handle more dst & src != 0 */
		333	/* TODO handle more then one copy */
		334	DRM_ERROR("Cant snoop dma request for cursor!\n");
		335	DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
		336	box->srcx, box->srcy, box->srcz,
		337	box->x, box->y, box->z,
		338	box->w, box->h, box->d, box_count,
		339	cmd->dma.guest.ptr.offset);
		340	return;
		341	}
		342
		343	kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
		344	kmap_num = (64644) >> PAGE_SHIFT;
		345
		346	ret = ttm_bo_reserve(bo, true, false, false, 0);
		347	if (unlikely(ret != 0)) {
		348	DRM_ERROR("reserve failed\n");
		349	return;
		350	}
		351
		352	ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
		353	if (unlikely(ret != 0))
		354	goto err_unreserve;
		355
		356	virtual = ttm_kmap_obj_virtual(&map, &dummy);
		357
		358	if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
		359	memcpy(srf->snooper.image, virtual, 64644);
		360	} else {
		361	/* Image is unsigned pointer. */
		362	for (i = 0; i < box->h; i++)
		363	memcpy(srf->snooper.image + i * 64,
		364	virtual + i * cmd->dma.guest.pitch,
		365	box->w * 4);
		366	}
		367
		368	srf->snooper.age++;
		369
		370	/* we can't call this function from this function since execbuf has
		371	* reserved fifo space.
		372	*
		373	* if (srf->snooper.crtc)
		374	* vmw_ldu_crtc_cursor_update_image(dev_priv,
		375	* srf->snooper.image, 64, 64,
		376	* du->hotspot_x, du->hotspot_y);
		377	*/
		378
		379	ttm_bo_kunmap(&map);
		380	err_unreserve:
		381	ttm_bo_unreserve(bo);
		382	}
		383
		384	void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
		385	{
		386	struct drm_device *dev = dev_priv->dev;
		387	struct vmw_display_unit *du;
		388	struct drm_crtc *crtc;
		389
		390	mutex_lock(&dev->mode_config.mutex);
		391
		392	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
		393	du = vmw_crtc_to_du(crtc);
		394	if (!du->cursor_surface \|\|
		395	du->cursor_age == du->cursor_surface->snooper.age)
		396	continue;
		397
		398	du->cursor_age = du->cursor_surface->snooper.age;
		399	vmw_cursor_update_image(dev_priv,
		400	du->cursor_surface->snooper.image,
		401	64, 64, du->hotspot_x, du->hotspot_y);
		402	}
		403
		404	mutex_unlock(&dev->mode_config.mutex);
		405	}
		406	#endif
		407
		408	/*
		409	* Generic framebuffer code
		410	*/
		411
		412	/*
		413	* Surface framebuffer code
		414	*/
		415
		416	#define vmw_framebuffer_to_vfbs(x) \
		417	container_of(x, struct vmw_framebuffer_surface, base.base)
		418
		419	struct vmw_framebuffer_surface {
		420	struct vmw_framebuffer base;
		421	struct vmw_surface *surface;
		422	struct vmw_dma_buffer *buffer;
		423	struct list_head head;
		424	struct drm_master *master;
		425	};
		426
		427	void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
		428	{
		429	struct vmw_framebuffer_surface *vfbs =
		430	vmw_framebuffer_to_vfbs(framebuffer);
		431	// struct vmw_master *vmaster = vmw_master(vfbs->master);
		432
		433
		434	// mutex_lock(&vmaster->fb_surf_mutex);
		435	// list_del(&vfbs->head);
		436	// mutex_unlock(&vmaster->fb_surf_mutex);
		437
		438	// drm_master_put(&vfbs->master);
		439	// drm_framebuffer_cleanup(framebuffer);
		440	// vmw_surface_unreference(&vfbs->surface);
		441	// ttm_base_object_unref(&vfbs->base.user_obj);
		442
		443	kfree(vfbs);
		444	}
		445
		446	static int do_surface_dirty_sou(struct vmw_private *dev_priv,
		447	struct drm_file *file_priv,
		448	struct vmw_framebuffer *framebuffer,
		449	unsigned flags, unsigned color,
		450	struct drm_clip_rect *clips,
		451	unsigned num_clips, int inc,
		452	struct vmw_fence_obj **out_fence)
		453	{
		454	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
		455	struct drm_clip_rect *clips_ptr;
		456	struct drm_clip_rect *tmp;
		457	struct drm_crtc *crtc;
		458	size_t fifo_size;
		459	int i, num_units;
		460	int ret = 0; /* silence warning */
		461	int left, right, top, bottom;
		462
		463	struct {
		464	SVGA3dCmdHeader header;
		465	SVGA3dCmdBlitSurfaceToScreen body;
		466	} *cmd;
		467	SVGASignedRect *blits;
		468
		469	num_units = 0;
		470	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
		471	head) {
		472	if (crtc->fb != &framebuffer->base)
		473	continue;
		474	units[num_units++] = vmw_crtc_to_du(crtc);
		475	}
		476
		477	BUG_ON(!clips \|\| !num_clips);
		478
		479	tmp = kzalloc(sizeof(tmp) num_clips, GFP_KERNEL);
		480	if (unlikely(tmp == NULL)) {
		481	DRM_ERROR("Temporary cliprect memory alloc failed.\n");
		482	return -ENOMEM;
		483	}
		484
		485	fifo_size = sizeof(cmd) + sizeof(SVGASignedRect) num_clips;
		486	cmd = kzalloc(fifo_size, GFP_KERNEL);
		487	if (unlikely(cmd == NULL)) {
		488	DRM_ERROR("Temporary fifo memory alloc failed.\n");
		489	ret = -ENOMEM;
		490	goto out_free_tmp;
		491	}
		492
		493	/* setup blits pointer */
		494	blits = (SVGASignedRect *)&cmd[1];
		495
		496	/* initial clip region */
		497	left = clips->x1;
		498	right = clips->x2;
		499	top = clips->y1;
		500	bottom = clips->y2;
		501
		502	/* skip the first clip rect */
		503	for (i = 1, clips_ptr = clips + inc;
		504	i < num_clips; i++, clips_ptr += inc) {
		505	left = min_t(int, left, (int)clips_ptr->x1);
		506	right = max_t(int, right, (int)clips_ptr->x2);
		507	top = min_t(int, top, (int)clips_ptr->y1);
		508	bottom = max_t(int, bottom, (int)clips_ptr->y2);
		509	}
		510
		511	/* only need to do this once */
		512	cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
		513	cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
		514
		515	cmd->body.srcRect.left = left;
		516	cmd->body.srcRect.right = right;
		517	cmd->body.srcRect.top = top;
		518	cmd->body.srcRect.bottom = bottom;
		519
		520	clips_ptr = clips;
		521	for (i = 0; i < num_clips; i++, clips_ptr += inc) {
		522	tmp[i].x1 = clips_ptr->x1 - left;
		523	tmp[i].x2 = clips_ptr->x2 - left;
		524	tmp[i].y1 = clips_ptr->y1 - top;
		525	tmp[i].y2 = clips_ptr->y2 - top;
		526	}
		527
		528	/* do per unit writing, reuse fifo for each */
		529	for (i = 0; i < num_units; i++) {
		530	struct vmw_display_unit *unit = units[i];
		531	struct vmw_clip_rect clip;
		532	int num;
		533
		534	clip.x1 = left - unit->crtc.x;
		535	clip.y1 = top - unit->crtc.y;
		536	clip.x2 = right - unit->crtc.x;
		537	clip.y2 = bottom - unit->crtc.y;
		538
		539	/* skip any crtcs that misses the clip region */
		540	if (clip.x1 >= unit->crtc.mode.hdisplay \|\|
		541	clip.y1 >= unit->crtc.mode.vdisplay \|\|
		542	clip.x2 <= 0 \|\| clip.y2 <= 0)
		543	continue;
		544
		545	/*
		546	* In order for the clip rects to be correctly scaled
		547	* the src and dest rects needs to be the same size.
		548	*/
		549	cmd->body.destRect.left = clip.x1;
		550	cmd->body.destRect.right = clip.x2;
		551	cmd->body.destRect.top = clip.y1;
		552	cmd->body.destRect.bottom = clip.y2;
		553
		554	/* create a clip rect of the crtc in dest coords */
		555	clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
		556	clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
		557	clip.x1 = 0 - clip.x1;
		558	clip.y1 = 0 - clip.y1;
		559
		560	/* need to reset sid as it is changed by execbuf */
		561	cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
		562	cmd->body.destScreenId = unit->unit;
		563
		564	/* clip and write blits to cmd stream */
		565	vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
		566
		567	/* if no cliprects hit skip this */
		568	if (num == 0)
		569	continue;
		570
		571	/* only return the last fence */
		572	if (out_fence && *out_fence)
		573	vmw_fence_obj_unreference(out_fence);
		574
		575	/* recalculate package length */
		576	fifo_size = sizeof(cmd) + sizeof(SVGASignedRect) num;
		577	cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
		578	ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
		579	fifo_size, 0, NULL, out_fence);
		580
		581	if (unlikely(ret != 0))
		582	break;
		583	}
		584
		585
		586	kfree(cmd);
		587	out_free_tmp:
		588	kfree(tmp);
		589
		590	return ret;
		591	}
		592
		593	int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
		594	struct drm_file *file_priv,
		595	unsigned flags, unsigned color,
		596	struct drm_clip_rect *clips,
		597	unsigned num_clips)
		598	{
		599	struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
		600	// struct vmw_master *vmaster = vmw_master(file_priv->master);
		601	struct vmw_framebuffer_surface *vfbs =
		602	vmw_framebuffer_to_vfbs(framebuffer);
		603	struct drm_clip_rect norect;
		604	int ret, inc = 1;
		605
		606	// if (unlikely(vfbs->master != file_priv->master))
		607	// return -EINVAL;
		608
		609	/* Require ScreenObject support for 3D */
		610	if (!dev_priv->sou_priv)
		611	return -EINVAL;
		612
		613	// ret = ttm_read_lock(&vmaster->lock, true);
		614	// if (unlikely(ret != 0))
		615	// return ret;
		616
		617	if (!num_clips) {
		618	num_clips = 1;
		619	clips = &norect;
		620	norect.x1 = norect.y1 = 0;
		621	norect.x2 = framebuffer->width;
		622	norect.y2 = framebuffer->height;
		623	} else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
		624	num_clips /= 2;
		625	inc = 2; /* skip source rects */
		626	}
		627
		628	ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base,
		629	flags, color,
		630	clips, num_clips, inc, NULL);
		631
		632	// ttm_read_unlock(&vmaster->lock);
		633	return 0;
		634	}
		635
		636	static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
		637	.destroy = vmw_framebuffer_surface_destroy,
		638	.dirty = vmw_framebuffer_surface_dirty,
		639	};
		640
		641	static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
		642	struct drm_file *file_priv,
		643	struct vmw_surface *surface,
		644	struct vmw_framebuffer **out,
		645	const struct drm_mode_fb_cmd
		646	*mode_cmd)
		647
		648	{
		649	struct drm_device *dev = dev_priv->dev;
		650	struct vmw_framebuffer_surface *vfbs;
		651	enum SVGA3dSurfaceFormat format;
		652	// struct vmw_master *vmaster = vmw_master(file_priv->master);
		653	int ret;
		654
		655	/* 3D is only supported on HWv8 hosts which supports screen objects */
		656	if (!dev_priv->sou_priv)
		657	return -ENOSYS;
		658
		659	/*
		660	* Sanity checks.
		661	*/
		662
		663	/* Surface must be marked as a scanout. */
		664	if (unlikely(!surface->scanout))
		665	return -EINVAL;
		666
		667	if (unlikely(surface->mip_levels[0] != 1 \|\|
		668	surface->num_sizes != 1 \|\|
4569	Serge	669	surface->base_size.width < mode_cmd->width \|\|
		670	surface->base_size.height < mode_cmd->height \|\|
		671	surface->base_size.depth != 1)) {
4075	Serge	672	DRM_ERROR("Incompatible surface dimensions "
		673	"for requested mode.\n");
		674	return -EINVAL;
		675	}
		676
		677	switch (mode_cmd->depth) {
		678	case 32:
		679	format = SVGA3D_A8R8G8B8;
		680	break;
		681	case 24:
		682	format = SVGA3D_X8R8G8B8;
		683	break;
		684	case 16:
		685	format = SVGA3D_R5G6B5;
		686	break;
		687	case 15:
		688	format = SVGA3D_A1R5G5B5;
		689	break;
		690	case 8:
		691	format = SVGA3D_LUMINANCE8;
		692	break;
		693	default:
		694	DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
		695	return -EINVAL;
		696	}
		697
		698	if (unlikely(format != surface->format)) {
		699	DRM_ERROR("Invalid surface format for requested mode.\n");
		700	return -EINVAL;
		701	}
		702
		703	vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
		704	if (!vfbs) {
		705	ret = -ENOMEM;
		706	goto out_err1;
		707	}
		708
		709	if (!vmw_surface_reference(surface)) {
		710	DRM_ERROR("failed to reference surface %p\n", surface);
		711	ret = -EINVAL;
		712	goto out_err2;
		713	}
		714
		715	/* XXX get the first 3 from the surface info */
		716	vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
		717	vfbs->base.base.pitches[0] = mode_cmd->pitch;
		718	vfbs->base.base.depth = mode_cmd->depth;
		719	vfbs->base.base.width = mode_cmd->width;
		720	vfbs->base.base.height = mode_cmd->height;
		721	vfbs->surface = surface;
		722	vfbs->base.user_handle = mode_cmd->handle;
		723	// vfbs->master = drm_master_get(file_priv->master);
		724
		725	// mutex_lock(&vmaster->fb_surf_mutex);
		726	// list_add_tail(&vfbs->head, &vmaster->fb_surf);
		727	// mutex_unlock(&vmaster->fb_surf_mutex);
		728
		729	*out = &vfbs->base;
		730
		731	ret = drm_framebuffer_init(dev, &vfbs->base.base,
		732	&vmw_framebuffer_surface_funcs);
		733	if (ret)
		734	goto out_err3;
		735
		736	return 0;
		737
		738	out_err3:
		739	vmw_surface_unreference(&surface);
		740	out_err2:
		741	kfree(vfbs);
		742	out_err1:
		743	return ret;
		744	}
		745
		746	/*
		747	* Dmabuf framebuffer code
		748	*/
		749
		750	#define vmw_framebuffer_to_vfbd(x) \
		751	container_of(x, struct vmw_framebuffer_dmabuf, base.base)
		752
		753	struct vmw_framebuffer_dmabuf {
		754	struct vmw_framebuffer base;
		755	struct vmw_dma_buffer *buffer;
		756	};
		757
		758	void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
		759	{
		760	struct vmw_framebuffer_dmabuf *vfbd =
		761	vmw_framebuffer_to_vfbd(framebuffer);
		762
		763	// drm_framebuffer_cleanup(framebuffer);
		764	// vmw_dmabuf_unreference(&vfbd->buffer);
		765	// ttm_base_object_unref(&vfbd->base.user_obj);
		766
		767	kfree(vfbd);
		768	}
		769
		770	static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv,
		771	struct vmw_framebuffer *framebuffer,
		772	unsigned flags, unsigned color,
		773	struct drm_clip_rect *clips,
		774	unsigned num_clips, int increment)
		775	{
		776	size_t fifo_size;
		777	int i;
		778
		779	struct {
		780	uint32_t header;
		781	SVGAFifoCmdUpdate body;
		782	} *cmd;
		783
		784	fifo_size = sizeof(cmd) num_clips;
		785	cmd = vmw_fifo_reserve(dev_priv, fifo_size);
		786	if (unlikely(cmd == NULL)) {
		787	DRM_ERROR("Fifo reserve failed.\n");
		788	return -ENOMEM;
		789	}
		790
		791	memset(cmd, 0, fifo_size);
		792	for (i = 0; i < num_clips; i++, clips += increment) {
		793	cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE);
		794	cmd[i].body.x = cpu_to_le32(clips->x1);
		795	cmd[i].body.y = cpu_to_le32(clips->y1);
		796	cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1);
		797	cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1);
		798	}
		799
		800	vmw_fifo_commit(dev_priv, fifo_size);
		801	return 0;
		802	}
		803
		804	static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
		805	struct vmw_private *dev_priv,
		806	struct vmw_framebuffer *framebuffer)
		807	{
		808	int depth = framebuffer->base.depth;
		809	size_t fifo_size;
		810	int ret;
		811
		812	struct {
		813	uint32_t header;
		814	SVGAFifoCmdDefineGMRFB body;
		815	} *cmd;
		816
		817	/* Emulate RGBA support, contrary to svga_reg.h this is not
		818	* supported by hosts. This is only a problem if we are reading
		819	* this value later and expecting what we uploaded back.
		820	*/
		821	if (depth == 32)
		822	depth = 24;
		823
		824	fifo_size = sizeof(*cmd);
		825	cmd = kmalloc(fifo_size, GFP_KERNEL);
		826	if (unlikely(cmd == NULL)) {
		827	DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
		828	return -ENOMEM;
		829	}
		830
		831	memset(cmd, 0, fifo_size);
		832	cmd->header = SVGA_CMD_DEFINE_GMRFB;
		833	cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel;
		834	cmd->body.format.colorDepth = depth;
		835	cmd->body.format.reserved = 0;
		836	cmd->body.bytesPerLine = framebuffer->base.pitches[0];
		837	cmd->body.ptr.gmrId = framebuffer->user_handle;
		838	cmd->body.ptr.offset = 0;
		839
		840	ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
		841	fifo_size, 0, NULL, NULL);
		842
		843	kfree(cmd);
		844
		845	return ret;
		846	}
		847
		848	static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
		849	struct vmw_private *dev_priv,
		850	struct vmw_framebuffer *framebuffer,
		851	unsigned flags, unsigned color,
		852	struct drm_clip_rect *clips,
		853	unsigned num_clips, int increment,
		854	struct vmw_fence_obj **out_fence)
		855	{
		856	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
		857	struct drm_clip_rect *clips_ptr;
		858	int i, k, num_units, ret;
		859	struct drm_crtc *crtc;
		860	size_t fifo_size;
		861
		862	struct {
		863	uint32_t header;
		864	SVGAFifoCmdBlitGMRFBToScreen body;
		865	} *blits;
		866
		867	ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer);
		868	if (unlikely(ret != 0))
		869	return ret; /* define_gmrfb prints warnings */
		870
		871	fifo_size = sizeof(blits) num_clips;
		872	blits = kmalloc(fifo_size, GFP_KERNEL);
		873	if (unlikely(blits == NULL)) {
		874	DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
		875	return -ENOMEM;
		876	}
		877
		878	num_units = 0;
		879	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
		880	if (crtc->fb != &framebuffer->base)
		881	continue;
		882	units[num_units++] = vmw_crtc_to_du(crtc);
		883	}
		884
		885	for (k = 0; k < num_units; k++) {
		886	struct vmw_display_unit *unit = units[k];
		887	int hit_num = 0;
		888
		889	clips_ptr = clips;
		890	for (i = 0; i < num_clips; i++, clips_ptr += increment) {
		891	int clip_x1 = clips_ptr->x1 - unit->crtc.x;
		892	int clip_y1 = clips_ptr->y1 - unit->crtc.y;
		893	int clip_x2 = clips_ptr->x2 - unit->crtc.x;
		894	int clip_y2 = clips_ptr->y2 - unit->crtc.y;
		895	int move_x, move_y;
		896
		897	/* skip any crtcs that misses the clip region */
		898	if (clip_x1 >= unit->crtc.mode.hdisplay \|\|
		899	clip_y1 >= unit->crtc.mode.vdisplay \|\|
		900	clip_x2 <= 0 \|\| clip_y2 <= 0)
		901	continue;
		902
		903	/* clip size to crtc size */
		904	clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
		905	clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);
		906
		907	/* translate both src and dest to bring clip into screen */
		908	move_x = min_t(int, clip_x1, 0);
		909	move_y = min_t(int, clip_y1, 0);
		910
		911	/* actual translate done here */
		912	blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
		913	blits[hit_num].body.destScreenId = unit->unit;
		914	blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
		915	blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
		916	blits[hit_num].body.destRect.left = clip_x1 - move_x;
		917	blits[hit_num].body.destRect.top = clip_y1 - move_y;
		918	blits[hit_num].body.destRect.right = clip_x2;
		919	blits[hit_num].body.destRect.bottom = clip_y2;
		920	hit_num++;
		921	}
		922
		923	/* no clips hit the crtc */
		924	if (hit_num == 0)
		925	continue;
		926
		927	/* only return the last fence */
		928	if (out_fence && *out_fence)
		929	vmw_fence_obj_unreference(out_fence);
		930
		931	fifo_size = sizeof(blits) hit_num;
		932	ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits,
		933	fifo_size, 0, NULL, out_fence);
		934
		935	if (unlikely(ret != 0))
		936	break;
		937	}
		938
		939	kfree(blits);
		940
		941	return ret;
		942	}
		943
		944	int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
		945	struct drm_file *file_priv,
		946	unsigned flags, unsigned color,
		947	struct drm_clip_rect *clips,
		948	unsigned num_clips)
		949	{
		950	struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
		951	// struct vmw_master *vmaster = vmw_master(file_priv->master);
		952	struct vmw_framebuffer_dmabuf *vfbd =
		953	vmw_framebuffer_to_vfbd(framebuffer);
		954	struct drm_clip_rect norect;
		955	int ret, increment = 1;
		956
		957	// ret = ttm_read_lock(&vmaster->lock, true);
		958	// if (unlikely(ret != 0))
		959	// return ret;
		960
		961	if (!num_clips) {
		962	num_clips = 1;
		963	clips = &norect;
		964	norect.x1 = norect.y1 = 0;
		965	norect.x2 = framebuffer->width;
		966	norect.y2 = framebuffer->height;
		967	} else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
		968	num_clips /= 2;
		969	increment = 2;
		970	}
		971
		972	if (dev_priv->ldu_priv) {
		973	ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base,
		974	flags, color,
		975	clips, num_clips, increment);
		976	} else {
		977	ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base,
		978	flags, color,
		979	clips, num_clips, increment, NULL);
		980	}
		981
		982	// ttm_read_unlock(&vmaster->lock);
		983	return ret;
		984	}
		985
		986	static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
		987	.destroy = vmw_framebuffer_dmabuf_destroy,
		988	.dirty = vmw_framebuffer_dmabuf_dirty,
		989	};
		990
		991	/**
		992	* Pin the dmabuffer to the start of vram.
		993	*/
		994	static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb)
		995	{
		996	struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
		997	struct vmw_framebuffer_dmabuf *vfbd =
		998	vmw_framebuffer_to_vfbd(&vfb->base);
		999	int ret;
		1000
		1001	/* This code should not be used with screen objects */
		1002	BUG_ON(dev_priv->sou_priv);
		1003
		1004	// vmw_overlay_pause_all(dev_priv);
		1005
		1006	ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false);
		1007
		1008	// vmw_overlay_resume_all(dev_priv);
		1009
		1010	WARN_ON(ret != 0);
		1011
		1012	return 0;
		1013	}
		1014
		1015	static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb)
		1016	{
		1017	struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
		1018	struct vmw_framebuffer_dmabuf *vfbd =
		1019	vmw_framebuffer_to_vfbd(&vfb->base);
		1020
		1021	if (!vfbd->buffer) {
		1022	WARN_ON(!vfbd->buffer);
		1023	return 0;
		1024	}
		1025
		1026	return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false);
		1027	}
		1028
		1029	#if 0
		1030	static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
		1031	struct vmw_dma_buffer *dmabuf,
		1032	struct vmw_framebuffer **out,
		1033	const struct drm_mode_fb_cmd
		1034	*mode_cmd)
		1035
		1036	{
		1037	struct drm_device *dev = dev_priv->dev;
		1038	struct vmw_framebuffer_dmabuf *vfbd;
		1039	unsigned int requested_size;
		1040	int ret;
		1041
		1042	requested_size = mode_cmd->height * mode_cmd->pitch;
		1043	if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) {
		1044	DRM_ERROR("Screen buffer object size is too small "
		1045	"for requested mode.\n");
		1046	return -EINVAL;
		1047	}
		1048
		1049	/* Limited framebuffer color depth support for screen objects */
		1050	if (dev_priv->sou_priv) {
		1051	switch (mode_cmd->depth) {
		1052	case 32:
		1053	case 24:
		1054	/* Only support 32 bpp for 32 and 24 depth fbs */
		1055	if (mode_cmd->bpp == 32)
		1056	break;
		1057
		1058	DRM_ERROR("Invalid color depth/bbp: %d %d\n",
		1059	mode_cmd->depth, mode_cmd->bpp);
		1060	return -EINVAL;
		1061	case 16:
		1062	case 15:
		1063	/* Only support 16 bpp for 16 and 15 depth fbs */
		1064	if (mode_cmd->bpp == 16)
		1065	break;
		1066
		1067	DRM_ERROR("Invalid color depth/bbp: %d %d\n",
		1068	mode_cmd->depth, mode_cmd->bpp);
		1069	return -EINVAL;
		1070	default:
		1071	DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
		1072	return -EINVAL;
		1073	}
		1074	}
		1075
		1076	vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
		1077	if (!vfbd) {
		1078	ret = -ENOMEM;
		1079	goto out_err1;
		1080	}
		1081
		1082	if (!vmw_dmabuf_reference(dmabuf)) {
		1083	DRM_ERROR("failed to reference dmabuf %p\n", dmabuf);
		1084	ret = -EINVAL;
		1085	goto out_err2;
		1086	}
		1087
		1088	vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
		1089	vfbd->base.base.pitches[0] = mode_cmd->pitch;
		1090	vfbd->base.base.depth = mode_cmd->depth;
		1091	vfbd->base.base.width = mode_cmd->width;
		1092	vfbd->base.base.height = mode_cmd->height;
		1093	if (!dev_priv->sou_priv) {
		1094	vfbd->base.pin = vmw_framebuffer_dmabuf_pin;
		1095	vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin;
		1096	}
		1097	vfbd->base.dmabuf = true;
		1098	vfbd->buffer = dmabuf;
		1099	vfbd->base.user_handle = mode_cmd->handle;
		1100	*out = &vfbd->base;
		1101
		1102	ret = drm_framebuffer_init(dev, &vfbd->base.base,
		1103	&vmw_framebuffer_dmabuf_funcs);
		1104	if (ret)
		1105	goto out_err3;
		1106
		1107	return 0;
		1108
		1109	out_err3:
		1110	vmw_dmabuf_unreference(&dmabuf);
		1111	out_err2:
		1112	kfree(vfbd);
		1113	out_err1:
		1114	return ret;
		1115	}
		1116	#endif
		1117
		1118	/*
		1119	* Generic Kernel modesetting functions
		1120	*/
		1121
		1122	static struct drm_framebuffer vmw_kms_fb_create(struct drm_device dev,
		1123	struct drm_file *file_priv,
		1124	struct drm_mode_fb_cmd2 *mode_cmd2)
		1125	{
		1126	struct vmw_private *dev_priv = vmw_priv(dev);
		1127	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
		1128	struct vmw_framebuffer *vfb = NULL;
		1129	struct vmw_surface *surface = NULL;
		1130	struct vmw_dma_buffer *bo = NULL;
		1131	struct ttm_base_object *user_obj;
		1132	struct drm_mode_fb_cmd mode_cmd;
		1133	int ret;
		1134
		1135	mode_cmd.width = mode_cmd2->width;
		1136	mode_cmd.height = mode_cmd2->height;
		1137	mode_cmd.pitch = mode_cmd2->pitches[0];
		1138	mode_cmd.handle = mode_cmd2->handles[0];
		1139	drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth,
		1140	&mode_cmd.bpp);
		1141
		1142	/**
		1143	* This code should be conditioned on Screen Objects not being used.
		1144	* If screen objects are used, we can allocate a GMR to hold the
		1145	* requested framebuffer.
		1146	*/
		1147
		1148	if (!vmw_kms_validate_mode_vram(dev_priv,
		1149	mode_cmd.pitch,
		1150	mode_cmd.height)) {
		1151	DRM_ERROR("VRAM size is too small for requested mode.\n");
		1152	return ERR_PTR(-ENOMEM);
		1153	}
		1154
		1155	/*
		1156	* Take a reference on the user object of the resource
		1157	* backing the kms fb. This ensures that user-space handle
		1158	* lookups on that resource will always work as long as
		1159	* it's registered with a kms framebuffer. This is important,
		1160	* since vmw_execbuf_process identifies resources in the
		1161	* command stream using user-space handles.
		1162	*/
		1163
		1164	user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle);
		1165	if (unlikely(user_obj == NULL)) {
		1166	DRM_ERROR("Could not locate requested kms frame buffer.\n");
		1167	return ERR_PTR(-ENOENT);
		1168	}
		1169
		1170	/**
		1171	* End conditioned code.
		1172	*/
		1173
		1174	/* returns either a dmabuf or surface */
		1175	// ret = vmw_user_lookup_handle(dev_priv, tfile,
		1176	// mode_cmd.handle,
		1177	// &surface, &bo);
		1178	// if (ret)
		1179	// goto err_out;
		1180
		1181	/* Create the new framebuffer depending one what we got back */
		1182	// if (bo)
		1183	// ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
		1184	// &mode_cmd);
		1185	// else if (surface)
		1186	ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
		1187	surface, &vfb, &mode_cmd);
		1188	// else
		1189	// BUG();
		1190
		1191	err_out:
		1192	/* vmw_user_lookup_handle takes one ref so does new_fb */
		1193	// if (bo)
		1194	// vmw_dmabuf_unreference(&bo);
		1195	// if (surface)
		1196	// vmw_surface_unreference(&surface);
		1197
		1198	if (ret) {
		1199	DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
		1200	// ttm_base_object_unref(&user_obj);
		1201	return ERR_PTR(ret);
		1202	} else
		1203	vfb->user_obj = user_obj;
		1204
		1205	return &vfb->base;
		1206	}
		1207
		1208	static const struct drm_mode_config_funcs vmw_kms_funcs = {
		1209	.fb_create = vmw_kms_fb_create,
		1210	};
		1211
		1212	int vmw_kms_present(struct vmw_private *dev_priv,
		1213	struct drm_file *file_priv,
		1214	struct vmw_framebuffer *vfb,
		1215	struct vmw_surface *surface,
		1216	uint32_t sid,
		1217	int32_t destX, int32_t destY,
		1218	struct drm_vmw_rect *clips,
		1219	uint32_t num_clips)
		1220	{
		1221	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
		1222	struct drm_clip_rect *tmp;
		1223	struct drm_crtc *crtc;
		1224	size_t fifo_size;
		1225	int i, k, num_units;
		1226	int ret = 0; /* silence warning */
		1227	int left, right, top, bottom;
		1228
		1229	struct {
		1230	SVGA3dCmdHeader header;
		1231	SVGA3dCmdBlitSurfaceToScreen body;
		1232	} *cmd;
		1233	SVGASignedRect *blits;
		1234
		1235	num_units = 0;
		1236	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
		1237	if (crtc->fb != &vfb->base)
		1238	continue;
		1239	units[num_units++] = vmw_crtc_to_du(crtc);
		1240	}
		1241
		1242	BUG_ON(surface == NULL);
		1243	BUG_ON(!clips \|\| !num_clips);
		1244
		1245	tmp = kzalloc(sizeof(tmp) num_clips, GFP_KERNEL);
		1246	if (unlikely(tmp == NULL)) {
		1247	DRM_ERROR("Temporary cliprect memory alloc failed.\n");
		1248	return -ENOMEM;
		1249	}
		1250
		1251	fifo_size = sizeof(cmd) + sizeof(SVGASignedRect) num_clips;
		1252	cmd = kmalloc(fifo_size, GFP_KERNEL);
		1253	if (unlikely(cmd == NULL)) {
		1254	DRM_ERROR("Failed to allocate temporary fifo memory.\n");
		1255	ret = -ENOMEM;
		1256	goto out_free_tmp;
		1257	}
		1258
		1259	left = clips->x;
		1260	right = clips->x + clips->w;
		1261	top = clips->y;
		1262	bottom = clips->y + clips->h;
		1263
		1264	for (i = 1; i < num_clips; i++) {
		1265	left = min_t(int, left, (int)clips[i].x);
		1266	right = max_t(int, right, (int)clips[i].x + clips[i].w);
		1267	top = min_t(int, top, (int)clips[i].y);
		1268	bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
		1269	}
		1270
		1271	/* only need to do this once */
		1272	memset(cmd, 0, fifo_size);
		1273	cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
		1274
		1275	blits = (SVGASignedRect *)&cmd[1];
		1276
		1277	cmd->body.srcRect.left = left;
		1278	cmd->body.srcRect.right = right;
		1279	cmd->body.srcRect.top = top;
		1280	cmd->body.srcRect.bottom = bottom;
		1281
		1282	for (i = 0; i < num_clips; i++) {
		1283	tmp[i].x1 = clips[i].x - left;
		1284	tmp[i].x2 = clips[i].x + clips[i].w - left;
		1285	tmp[i].y1 = clips[i].y - top;
		1286	tmp[i].y2 = clips[i].y + clips[i].h - top;
		1287	}
		1288
		1289	for (k = 0; k < num_units; k++) {
		1290	struct vmw_display_unit *unit = units[k];
		1291	struct vmw_clip_rect clip;
		1292	int num;
		1293
		1294	clip.x1 = left + destX - unit->crtc.x;
		1295	clip.y1 = top + destY - unit->crtc.y;
		1296	clip.x2 = right + destX - unit->crtc.x;
		1297	clip.y2 = bottom + destY - unit->crtc.y;
		1298
		1299	/* skip any crtcs that misses the clip region */
		1300	if (clip.x1 >= unit->crtc.mode.hdisplay \|\|
		1301	clip.y1 >= unit->crtc.mode.vdisplay \|\|
		1302	clip.x2 <= 0 \|\| clip.y2 <= 0)
		1303	continue;
		1304
		1305	/*
		1306	* In order for the clip rects to be correctly scaled
		1307	* the src and dest rects needs to be the same size.
		1308	*/
		1309	cmd->body.destRect.left = clip.x1;
		1310	cmd->body.destRect.right = clip.x2;
		1311	cmd->body.destRect.top = clip.y1;
		1312	cmd->body.destRect.bottom = clip.y2;
		1313
		1314	/* create a clip rect of the crtc in dest coords */
		1315	clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
		1316	clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
		1317	clip.x1 = 0 - clip.x1;
		1318	clip.y1 = 0 - clip.y1;
		1319
		1320	/* need to reset sid as it is changed by execbuf */
		1321	cmd->body.srcImage.sid = sid;
		1322	cmd->body.destScreenId = unit->unit;
		1323
		1324	/* clip and write blits to cmd stream */
		1325	vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
		1326
		1327	/* if no cliprects hit skip this */
		1328	if (num == 0)
		1329	continue;
		1330
		1331	/* recalculate package length */
		1332	fifo_size = sizeof(cmd) + sizeof(SVGASignedRect) num;
		1333	cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
		1334	ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
		1335	fifo_size, 0, NULL, NULL);
		1336
		1337	if (unlikely(ret != 0))
		1338	break;
		1339	}
		1340
		1341	kfree(cmd);
		1342	out_free_tmp:
		1343	kfree(tmp);
		1344
		1345	return ret;
		1346	}
		1347
		1348	int vmw_kms_readback(struct vmw_private *dev_priv,
		1349	struct drm_file *file_priv,
		1350	struct vmw_framebuffer *vfb,
		1351	struct drm_vmw_fence_rep __user *user_fence_rep,
		1352	struct drm_vmw_rect *clips,
		1353	uint32_t num_clips)
		1354	{
		1355	struct vmw_framebuffer_dmabuf *vfbd =
		1356	vmw_framebuffer_to_vfbd(&vfb->base);
		1357	struct vmw_dma_buffer *dmabuf = vfbd->buffer;
		1358	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
		1359	struct drm_crtc *crtc;
		1360	size_t fifo_size;
		1361	int i, k, ret, num_units, blits_pos;
		1362
		1363	struct {
		1364	uint32_t header;
		1365	SVGAFifoCmdDefineGMRFB body;
		1366	} *cmd;
		1367	struct {
		1368	uint32_t header;
		1369	SVGAFifoCmdBlitScreenToGMRFB body;
		1370	} *blits;
		1371
		1372	num_units = 0;
		1373	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
		1374	if (crtc->fb != &vfb->base)
		1375	continue;
		1376	units[num_units++] = vmw_crtc_to_du(crtc);
		1377	}
		1378
		1379	BUG_ON(dmabuf == NULL);
		1380	BUG_ON(!clips \|\| !num_clips);
		1381
		1382	/* take a safe guess at fifo size */
		1383	fifo_size = sizeof(cmd) + sizeof(blits) * num_clips * num_units;
		1384	cmd = kmalloc(fifo_size, GFP_KERNEL);
		1385	if (unlikely(cmd == NULL)) {
		1386	DRM_ERROR("Failed to allocate temporary fifo memory.\n");
		1387	return -ENOMEM;
		1388	}
		1389
		1390	memset(cmd, 0, fifo_size);
		1391	cmd->header = SVGA_CMD_DEFINE_GMRFB;
		1392	cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel;
		1393	cmd->body.format.colorDepth = vfb->base.depth;
		1394	cmd->body.format.reserved = 0;
		1395	cmd->body.bytesPerLine = vfb->base.pitches[0];
		1396	cmd->body.ptr.gmrId = vfb->user_handle;
		1397	cmd->body.ptr.offset = 0;
		1398
		1399	blits = (void *)&cmd[1];
		1400	blits_pos = 0;
		1401	for (i = 0; i < num_units; i++) {
		1402	struct drm_vmw_rect *c = clips;
		1403	for (k = 0; k < num_clips; k++, c++) {
		1404	/* transform clip coords to crtc origin based coords */
		1405	int clip_x1 = c->x - units[i]->crtc.x;
		1406	int clip_x2 = c->x - units[i]->crtc.x + c->w;
		1407	int clip_y1 = c->y - units[i]->crtc.y;
		1408	int clip_y2 = c->y - units[i]->crtc.y + c->h;
		1409	int dest_x = c->x;
		1410	int dest_y = c->y;
		1411
		1412	/* compensate for clipping, we negate
		1413	* a negative number and add that.
		1414	*/
		1415	if (clip_x1 < 0)
		1416	dest_x += -clip_x1;
		1417	if (clip_y1 < 0)
		1418	dest_y += -clip_y1;
		1419
		1420	/* clip */
		1421	clip_x1 = max(clip_x1, 0);
		1422	clip_y1 = max(clip_y1, 0);
		1423	clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay);
		1424	clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay);
		1425
		1426	/* and cull any rects that misses the crtc */
		1427	if (clip_x1 >= units[i]->crtc.mode.hdisplay \|\|
		1428	clip_y1 >= units[i]->crtc.mode.vdisplay \|\|
		1429	clip_x2 <= 0 \|\| clip_y2 <= 0)
		1430	continue;
		1431
		1432	blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB;
		1433	blits[blits_pos].body.srcScreenId = units[i]->unit;
		1434	blits[blits_pos].body.destOrigin.x = dest_x;
		1435	blits[blits_pos].body.destOrigin.y = dest_y;
		1436
		1437	blits[blits_pos].body.srcRect.left = clip_x1;
		1438	blits[blits_pos].body.srcRect.top = clip_y1;
		1439	blits[blits_pos].body.srcRect.right = clip_x2;
		1440	blits[blits_pos].body.srcRect.bottom = clip_y2;
		1441	blits_pos++;
		1442	}
		1443	}
		1444	/* reset size here and use calculated exact size from loops */
		1445	fifo_size = sizeof(cmd) + sizeof(blits) * blits_pos;
		1446
		1447	ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size,
		1448	0, user_fence_rep, NULL);
		1449
		1450	kfree(cmd);
		1451
		1452	return ret;
		1453	}
		1454
		1455	int vmw_kms_init(struct vmw_private *dev_priv)
		1456	{
		1457	struct drm_device *dev = dev_priv->dev;
		1458	int ret;
4569	Serge	1459
4075	Serge	1460	ENTER();
4569	Serge	1461
4075	Serge	1462	drm_mode_config_init(dev);
		1463	dev->mode_config.funcs = &vmw_kms_funcs;
		1464	dev->mode_config.min_width = 1;
		1465	dev->mode_config.min_height = 1;
		1466	/* assumed largest fb size */
		1467	dev->mode_config.max_width = 8192;
		1468	dev->mode_config.max_height = 8192;
		1469
		1470	ret = vmw_kms_init_screen_object_display(dev_priv);
		1471	// if (ret) /* Fallback */
		1472	// (void)vmw_kms_init_legacy_display_system(dev_priv);
		1473
4569	Serge	1474	LEAVE();
		1475
4075	Serge	1476	return 0;
		1477	}
		1478
		1479	int vmw_kms_close(struct vmw_private *dev_priv)
		1480	{
		1481	/*
		1482	* Docs says we should take the lock before calling this function
		1483	* but since it destroys encoders and our destructor calls
		1484	* drm_encoder_cleanup which takes the lock we deadlock.
		1485	*/
		1486	// drm_mode_config_cleanup(dev_priv->dev);
		1487	// if (dev_priv->sou_priv)
		1488	// vmw_kms_close_screen_object_display(dev_priv);
		1489	// else
		1490	// vmw_kms_close_legacy_display_system(dev_priv);
		1491	return 0;
		1492	}
		1493
4569	Serge	1494	#if 0
4075	Serge	1495	int vmw_kms_cursor_bypass_ioctl(struct drm_device dev, void data,
		1496	struct drm_file *file_priv)
		1497	{
		1498	struct drm_vmw_cursor_bypass_arg *arg = data;
		1499	struct vmw_display_unit *du;
		1500	struct drm_mode_object *obj;
		1501	struct drm_crtc *crtc;
		1502	int ret = 0;
		1503
		1504
		1505	mutex_lock(&dev->mode_config.mutex);
		1506	if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
		1507
		1508	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
		1509	du = vmw_crtc_to_du(crtc);
		1510	du->hotspot_x = arg->xhot;
		1511	du->hotspot_y = arg->yhot;
		1512	}
		1513
		1514	mutex_unlock(&dev->mode_config.mutex);
		1515	return 0;
		1516	}
		1517
		1518	obj = drm_mode_object_find(dev, arg->crtc_id, DRM_MODE_OBJECT_CRTC);
		1519	if (!obj) {
4569	Serge	1520	ret = -ENOENT;
4075	Serge	1521	goto out;
		1522	}
		1523
		1524	crtc = obj_to_crtc(obj);
		1525	du = vmw_crtc_to_du(crtc);
		1526
		1527	du->hotspot_x = arg->xhot;
		1528	du->hotspot_y = arg->yhot;
		1529
		1530	out:
		1531	mutex_unlock(&dev->mode_config.mutex);
		1532
		1533	return ret;
		1534	}
		1535	#endif
4569	Serge	1536
4075	Serge	1537	int vmw_kms_write_svga(struct vmw_private *vmw_priv,
		1538	unsigned width, unsigned height, unsigned pitch,
		1539	unsigned bpp, unsigned depth)
		1540	{
		1541	if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
		1542	vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
		1543	else if (vmw_fifo_have_pitchlock(vmw_priv))
		1544	iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
		1545	vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
		1546	vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
		1547	vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
		1548
		1549	if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
		1550	DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
		1551	depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
		1552	return -EINVAL;
		1553	}
		1554
		1555	return 0;
		1556	}
		1557
		1558	int vmw_kms_save_vga(struct vmw_private *vmw_priv)
		1559	{
		1560	struct vmw_vga_topology_state *save;
		1561	uint32_t i;
		1562
		1563	vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
		1564	vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
		1565	vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
		1566	if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
		1567	vmw_priv->vga_pitchlock =
		1568	vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
		1569	else if (vmw_fifo_have_pitchlock(vmw_priv))
		1570	vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt +
		1571	SVGA_FIFO_PITCHLOCK);
		1572
		1573	if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
		1574	return 0;
		1575
		1576	vmw_priv->num_displays = vmw_read(vmw_priv,
		1577	SVGA_REG_NUM_GUEST_DISPLAYS);
		1578
		1579	if (vmw_priv->num_displays == 0)
		1580	vmw_priv->num_displays = 1;
		1581
		1582	for (i = 0; i < vmw_priv->num_displays; ++i) {
		1583	save = &vmw_priv->vga_save[i];
		1584	vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
		1585	save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
		1586	save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
		1587	save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
		1588	save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
		1589	save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
		1590	vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
		1591	if (i == 0 && vmw_priv->num_displays == 1 &&
		1592	save->width == 0 && save->height == 0) {
		1593
		1594	/*
		1595	* It should be fairly safe to assume that these
		1596	* values are uninitialized.
		1597	*/
		1598
		1599	save->width = vmw_priv->vga_width - save->pos_x;
		1600	save->height = vmw_priv->vga_height - save->pos_y;
		1601	}
		1602	}
		1603
		1604	return 0;
		1605	}
		1606
		1607	int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
		1608	{
		1609	struct vmw_vga_topology_state *save;
		1610	uint32_t i;
		1611
		1612	vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
		1613	vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
		1614	vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
		1615	if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
		1616	vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
		1617	vmw_priv->vga_pitchlock);
		1618	else if (vmw_fifo_have_pitchlock(vmw_priv))
		1619	iowrite32(vmw_priv->vga_pitchlock,
		1620	vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
		1621
		1622	if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
		1623	return 0;
		1624
		1625	for (i = 0; i < vmw_priv->num_displays; ++i) {
		1626	save = &vmw_priv->vga_save[i];
		1627	vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
		1628	vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
		1629	vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
		1630	vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
		1631	vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
		1632	vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
		1633	vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
		1634	}
		1635
		1636	return 0;
		1637	}
		1638
		1639	bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
		1640	uint32_t pitch,
		1641	uint32_t height)
		1642	{
4569	Serge	1643	return ((u64) pitch * (u64) height) < (u64) dev_priv->prim_bb_mem;
4075	Serge	1644	}
		1645
		1646
		1647	/**
		1648	* Function called by DRM code called with vbl_lock held.
		1649	*/
		1650	u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
		1651	{
		1652	return 0;
		1653	}
		1654
		1655	/**
		1656	* Function called by DRM code called with vbl_lock held.
		1657	*/
		1658	int vmw_enable_vblank(struct drm_device *dev, int crtc)
		1659	{
		1660	return -ENOSYS;
		1661	}
		1662
		1663	/**
		1664	* Function called by DRM code called with vbl_lock held.
		1665	*/
		1666	void vmw_disable_vblank(struct drm_device *dev, int crtc)
		1667	{
		1668	}
		1669
		1670
		1671	/*
		1672	* Small shared kms functions.
		1673	*/
		1674
		1675	int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
		1676	struct drm_vmw_rect *rects)
		1677	{
		1678	struct drm_device *dev = dev_priv->dev;
		1679	struct vmw_display_unit *du;
		1680	struct drm_connector *con;
		1681
		1682	mutex_lock(&dev->mode_config.mutex);
		1683
		1684	#if 0
		1685	{
		1686	unsigned int i;
		1687
		1688	DRM_INFO("%s: new layout ", __func__);
		1689	for (i = 0; i < num; i++)
		1690	DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
		1691	rects[i].w, rects[i].h);
		1692	DRM_INFO("\n");
		1693	}
		1694	#endif
		1695
		1696	list_for_each_entry(con, &dev->mode_config.connector_list, head) {
		1697	du = vmw_connector_to_du(con);
		1698	if (num > du->unit) {
		1699	du->pref_width = rects[du->unit].w;
		1700	du->pref_height = rects[du->unit].h;
		1701	du->pref_active = true;
		1702	du->gui_x = rects[du->unit].x;
		1703	du->gui_y = rects[du->unit].y;
		1704	} else {
		1705	du->pref_width = 800;
		1706	du->pref_height = 600;
		1707	du->pref_active = false;
		1708	}
		1709	con->status = vmw_du_connector_detect(con, true);
		1710	}
		1711
		1712	mutex_unlock(&dev->mode_config.mutex);
		1713
		1714	return 0;
		1715	}
		1716
		1717	#if 0
		1718	int vmw_du_page_flip(struct drm_crtc *crtc,
		1719	struct drm_framebuffer *fb,
		1720	struct drm_pending_vblank_event *event)
		1721	{
		1722	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
		1723	struct drm_framebuffer *old_fb = crtc->fb;
		1724	struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb);
		1725	struct drm_file *file_priv ;
		1726	struct vmw_fence_obj *fence = NULL;
		1727	struct drm_clip_rect clips;
		1728	int ret;
		1729
		1730	if (event == NULL)
		1731	return -EINVAL;
		1732
		1733	/* require ScreenObject support for page flipping */
		1734	if (!dev_priv->sou_priv)
		1735	return -ENOSYS;
		1736
		1737	file_priv = event->base.file_priv;
		1738	if (!vmw_kms_screen_object_flippable(dev_priv, crtc))
		1739	return -EINVAL;
		1740
		1741	crtc->fb = fb;
		1742
		1743	/* do a full screen dirty update */
		1744	clips.x1 = clips.y1 = 0;
		1745	clips.x2 = fb->width;
		1746	clips.y2 = fb->height;
		1747
		1748	if (vfb->dmabuf)
		1749	ret = do_dmabuf_dirty_sou(file_priv, dev_priv, vfb,
		1750	0, 0, &clips, 1, 1, &fence);
		1751	else
		1752	ret = do_surface_dirty_sou(dev_priv, file_priv, vfb,
		1753	0, 0, &clips, 1, 1, &fence);
		1754
		1755
		1756	if (ret != 0)
		1757	goto out_no_fence;
		1758	if (!fence) {
		1759	ret = -EINVAL;
		1760	goto out_no_fence;
		1761	}
		1762
		1763	ret = vmw_event_fence_action_queue(file_priv, fence,
		1764	&event->base,
		1765	&event->event.tv_sec,
		1766	&event->event.tv_usec,
		1767	true);
		1768
		1769	/*
		1770	* No need to hold on to this now. The only cleanup
		1771	* we need to do if we fail is unref the fence.
		1772	*/
		1773	vmw_fence_obj_unreference(&fence);
		1774
		1775	if (vmw_crtc_to_du(crtc)->is_implicit)
		1776	vmw_kms_screen_object_update_implicit_fb(dev_priv, crtc);
		1777
		1778	return ret;
		1779
		1780	out_no_fence:
		1781	crtc->fb = old_fb;
		1782	return ret;
		1783	}
		1784	#endif
		1785
		1786	void vmw_du_crtc_save(struct drm_crtc *crtc)
		1787	{
		1788	}
		1789
		1790	void vmw_du_crtc_restore(struct drm_crtc *crtc)
		1791	{
		1792	}
		1793
		1794	void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
		1795	u16 r, u16 g, u16 *b,
		1796	uint32_t start, uint32_t size)
		1797	{
		1798	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
		1799	int i;
		1800
		1801	for (i = 0; i < size; i++) {
		1802	DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
		1803	r[i], g[i], b[i]);
		1804	vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
		1805	vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
		1806	vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
		1807	}
		1808	}
		1809
		1810	void vmw_du_connector_dpms(struct drm_connector *connector, int mode)
		1811	{
		1812	}
		1813
		1814	void vmw_du_connector_save(struct drm_connector *connector)
		1815	{
		1816	}
		1817
		1818	void vmw_du_connector_restore(struct drm_connector *connector)
		1819	{
		1820	}
		1821
		1822	enum drm_connector_status
		1823	vmw_du_connector_detect(struct drm_connector *connector, bool force)
		1824	{
		1825	uint32_t num_displays;
		1826	struct drm_device *dev = connector->dev;
		1827	struct vmw_private *dev_priv = vmw_priv(dev);
		1828	struct vmw_display_unit *du = vmw_connector_to_du(connector);
		1829
		1830	mutex_lock(&dev_priv->hw_mutex);
		1831	num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
		1832	mutex_unlock(&dev_priv->hw_mutex);
		1833
		1834	return ((vmw_connector_to_du(connector)->unit < num_displays &&
		1835	du->pref_active) ?
		1836	connector_status_connected : connector_status_disconnected);
		1837	}
		1838
		1839	static struct drm_display_mode vmw_kms_connector_builtin[] = {
		1840	/* 640x480@60Hz */
		1841	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
		1842	752, 800, 0, 480, 489, 492, 525, 0,
		1843	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_NVSYNC) },
		1844	/* 800x600@60Hz */
		1845	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
		1846	968, 1056, 0, 600, 601, 605, 628, 0,
		1847	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1848	/* 1024x768@60Hz */
		1849	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
		1850	1184, 1344, 0, 768, 771, 777, 806, 0,
		1851	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_NVSYNC) },
		1852	/* 1152x864@75Hz */
		1853	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
		1854	1344, 1600, 0, 864, 865, 868, 900, 0,
		1855	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1856	/* 1280x768@60Hz */
		1857	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
		1858	1472, 1664, 0, 768, 771, 778, 798, 0,
		1859	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1860	/* 1280x800@60Hz */
		1861	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
		1862	1480, 1680, 0, 800, 803, 809, 831, 0,
		1863	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_NVSYNC) },
		1864	/* 1280x960@60Hz */
		1865	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
		1866	1488, 1800, 0, 960, 961, 964, 1000, 0,
		1867	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1868	/* 1280x1024@60Hz */
		1869	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
		1870	1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
		1871	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1872	/* 1360x768@60Hz */
		1873	{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
		1874	1536, 1792, 0, 768, 771, 777, 795, 0,
		1875	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1876	/* 1440x1050@60Hz */
		1877	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
		1878	1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
		1879	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1880	/* 1440x900@60Hz */
		1881	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
		1882	1672, 1904, 0, 900, 903, 909, 934, 0,
		1883	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1884	/* 1600x1200@60Hz */
		1885	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
		1886	1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
		1887	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1888	/* 1680x1050@60Hz */
		1889	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
		1890	1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
		1891	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1892	/* 1792x1344@60Hz */
		1893	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
		1894	2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
		1895	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1896	/* 1853x1392@60Hz */
		1897	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
		1898	2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
		1899	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
4080	Serge	1900	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
		1901	2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
		1902	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC),
		1903	.vrefresh = 60, },
4075	Serge	1904	/* 1920x1200@60Hz */
		1905	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
		1906	2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
		1907	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1908	/* 1920x1440@60Hz */
		1909	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
		1910	2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
		1911	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1912	/* 2560x1600@60Hz */
4080	Serge	1913	/* { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
4075	Serge	1914	3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
4080	Serge	1915	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) }, */
4075	Serge	1916	/* Terminate */
		1917	{ DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
		1918	};
		1919
		1920	/**
		1921	* vmw_guess_mode_timing - Provide fake timings for a
		1922	* 60Hz vrefresh mode.
		1923	*
		1924	* @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
		1925	* members filled in.
		1926	*/
		1927	static void vmw_guess_mode_timing(struct drm_display_mode *mode)
		1928	{
		1929	mode->hsync_start = mode->hdisplay + 50;
		1930	mode->hsync_end = mode->hsync_start + 50;
		1931	mode->htotal = mode->hsync_end + 50;
		1932
		1933	mode->vsync_start = mode->vdisplay + 50;
		1934	mode->vsync_end = mode->vsync_start + 50;
		1935	mode->vtotal = mode->vsync_end + 50;
		1936
		1937	mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
		1938	mode->vrefresh = drm_mode_vrefresh(mode);
		1939	}
		1940
		1941
		1942	int vmw_du_connector_fill_modes(struct drm_connector *connector,
		1943	uint32_t max_width, uint32_t max_height)
		1944	{
		1945	struct vmw_display_unit *du = vmw_connector_to_du(connector);
		1946	struct drm_device *dev = connector->dev;
		1947	struct vmw_private *dev_priv = vmw_priv(dev);
		1948	struct drm_display_mode *mode = NULL;
		1949	struct drm_display_mode *bmode;
		1950	struct drm_display_mode prefmode = { DRM_MODE("preferred",
		1951	DRM_MODE_TYPE_DRIVER \| DRM_MODE_TYPE_PREFERRED,
		1952	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
		1953	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC)
		1954	};
		1955	int i;
		1956
		1957	/* Add preferred mode */
		1958	{
		1959	mode = drm_mode_duplicate(dev, &prefmode);
		1960	if (!mode)
		1961	return 0;
		1962	mode->hdisplay = du->pref_width;
		1963	mode->vdisplay = du->pref_height;
		1964	vmw_guess_mode_timing(mode);
		1965
		1966	if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2,
		1967	mode->vdisplay)) {
		1968	drm_mode_probed_add(connector, mode);
		1969	} else {
		1970	drm_mode_destroy(dev, mode);
		1971	mode = NULL;
		1972	}
		1973
		1974	if (du->pref_mode) {
		1975	list_del_init(&du->pref_mode->head);
		1976	drm_mode_destroy(dev, du->pref_mode);
		1977	}
		1978
		1979	/* mode might be null here, this is intended */
		1980	du->pref_mode = mode;
		1981	}
		1982
		1983	for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
		1984	bmode = &vmw_kms_connector_builtin[i];
		1985	if (bmode->hdisplay > max_width \|\|
		1986	bmode->vdisplay > max_height)
		1987	continue;
		1988
		1989	if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2,
		1990	bmode->vdisplay))
		1991	continue;
		1992
		1993	mode = drm_mode_duplicate(dev, bmode);
		1994	if (!mode)
		1995	return 0;
		1996	mode->vrefresh = drm_mode_vrefresh(mode);
		1997
		1998	drm_mode_probed_add(connector, mode);
		1999	}
		2000
		2001	/* Move the prefered mode first, help apps pick the right mode. */
		2002	if (du->pref_mode)
		2003	list_move(&du->pref_mode->head, &connector->probed_modes);
		2004
		2005	drm_mode_connector_list_update(connector);
		2006
		2007	return 1;
		2008	}
		2009
		2010	int vmw_du_connector_set_property(struct drm_connector *connector,
		2011	struct drm_property *property,
		2012	uint64_t val)
		2013	{
		2014	return 0;
		2015	}
		2016
		2017	#if 0
		2018	int vmw_kms_update_layout_ioctl(struct drm_device dev, void data,
		2019	struct drm_file *file_priv)
		2020	{
		2021	struct vmw_private *dev_priv = vmw_priv(dev);
		2022	struct drm_vmw_update_layout_arg *arg =
		2023	(struct drm_vmw_update_layout_arg *)data;
		2024	struct vmw_master *vmaster = vmw_master(file_priv->master);
		2025	void __user *user_rects;
		2026	struct drm_vmw_rect *rects;
		2027	unsigned rects_size;
		2028	int ret;
		2029	int i;
		2030	struct drm_mode_config *mode_config = &dev->mode_config;
		2031
		2032	ret = ttm_read_lock(&vmaster->lock, true);
		2033	if (unlikely(ret != 0))
		2034	return ret;
		2035
		2036	if (!arg->num_outputs) {
		2037	struct drm_vmw_rect def_rect = {0, 0, 800, 600};
		2038	vmw_du_update_layout(dev_priv, 1, &def_rect);
		2039	goto out_unlock;
		2040	}
		2041
		2042	rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
		2043	rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
		2044	GFP_KERNEL);
		2045	if (unlikely(!rects)) {
		2046	ret = -ENOMEM;
		2047	goto out_unlock;
		2048	}
		2049
		2050	user_rects = (void __user *)(unsigned long)arg->rects;
		2051	ret = copy_from_user(rects, user_rects, rects_size);
		2052	if (unlikely(ret != 0)) {
		2053	DRM_ERROR("Failed to get rects.\n");
		2054	ret = -EFAULT;
		2055	goto out_free;
		2056	}
		2057
		2058	for (i = 0; i < arg->num_outputs; ++i) {
		2059	if (rects[i].x < 0 \|\|
		2060	rects[i].y < 0 \|\|
		2061	rects[i].x + rects[i].w > mode_config->max_width \|\|
		2062	rects[i].y + rects[i].h > mode_config->max_height) {
		2063	DRM_ERROR("Invalid GUI layout.\n");
		2064	ret = -EINVAL;
		2065	goto out_free;
		2066	}
		2067	}
		2068
		2069	vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
		2070
		2071	out_free:
		2072	kfree(rects);
		2073	out_unlock:
		2074	ttm_read_unlock(&vmaster->lock);
		2075	return ret;
		2076	}
		2077	#endif

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(root)/drivers/video/drm/vmwgfx/vmwgfx_kms.c – Rev 4569