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	*/
4570	Serge	43	static void vmw_clip_cliprects(struct drm_clip_rect *rects,
4075	Serge	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	/*
		84	* Display Unit Cursor functions
		85	*/
		86
		87	int vmw_cursor_update_image(struct vmw_private *dev_priv,
		88	u32 *image, u32 width, u32 height,
		89	u32 hotspotX, u32 hotspotY)
		90	{
		91	struct {
		92	u32 cmd;
		93	SVGAFifoCmdDefineAlphaCursor cursor;
		94	} *cmd;
		95	u32 image_size = width * height * 4;
		96	u32 cmd_size = sizeof(*cmd) + image_size;
4570	Serge	97	u32 *dst;
		98	int i, j;
4075	Serge	99
		100	if (!image)
		101	return -EINVAL;
		102
		103	cmd = vmw_fifo_reserve(dev_priv, cmd_size);
		104	if (unlikely(cmd == NULL)) {
		105	DRM_ERROR("Fifo reserve failed.\n");
		106	return -ENOMEM;
		107	}
		108
		109	memset(cmd, 0, sizeof(*cmd));
		110
4570	Serge	111	dst = (u32*)&cmd[1];
4075	Serge	112
4570	Serge	113	for(i = 0; i < 32; i++)
		114	{
		115	for(j = 0; j < 32; j++)
		116	dst++ = image++;
		117	for( ; j < 64; j++)
		118	*dst++ = 0;
		119	}
		120	for(i = 0; i < 64*(64-32); i++)
		121	*image++ = 0;
		122
4075	Serge	123	cmd->cmd = cpu_to_le32(SVGA_CMD_DEFINE_ALPHA_CURSOR);
		124	cmd->cursor.id = cpu_to_le32(0);
		125	cmd->cursor.width = cpu_to_le32(width);
		126	cmd->cursor.height = cpu_to_le32(height);
		127	cmd->cursor.hotspotX = cpu_to_le32(hotspotX);
		128	cmd->cursor.hotspotY = cpu_to_le32(hotspotY);
		129
		130	vmw_fifo_commit(dev_priv, cmd_size);
		131
		132	return 0;
		133	}
		134
4570	Serge	135	#if 0
4075	Serge	136	int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
		137	struct vmw_dma_buffer *dmabuf,
		138	u32 width, u32 height,
		139	u32 hotspotX, u32 hotspotY)
		140	{
		141	struct ttm_bo_kmap_obj map;
		142	unsigned long kmap_offset;
		143	unsigned long kmap_num;
		144	void *virtual;
		145	bool dummy;
		146	int ret;
		147
		148	kmap_offset = 0;
		149	kmap_num = (widthheight4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
		150
		151	ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
		152	if (unlikely(ret != 0)) {
		153	DRM_ERROR("reserve failed\n");
		154	return -EINVAL;
		155	}
		156
		157	ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
		158	if (unlikely(ret != 0))
		159	goto err_unreserve;
		160
		161	virtual = ttm_kmap_obj_virtual(&map, &dummy);
		162	ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
		163	hotspotX, hotspotY);
		164
		165	ttm_bo_kunmap(&map);
		166	err_unreserve:
		167	ttm_bo_unreserve(&dmabuf->base);
		168
		169	return ret;
		170	}
4570	Serge	171	#endif
4075	Serge	172
		173	void vmw_cursor_update_position(struct vmw_private *dev_priv,
		174	bool show, int x, int y)
		175	{
		176	__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
		177	uint32_t count;
		178
		179	iowrite32(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
		180	iowrite32(x, fifo_mem + SVGA_FIFO_CURSOR_X);
		181	iowrite32(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
		182	count = ioread32(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
		183	iowrite32(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
		184	}
		185
4570	Serge	186	#if 0
4075	Serge	187	int vmw_du_crtc_cursor_set(struct drm_crtc crtc, struct drm_file file_priv,
		188	uint32_t handle, uint32_t width, uint32_t height)
		189	{
		190	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
		191	struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
		192	struct vmw_surface *surface = NULL;
		193	struct vmw_dma_buffer *dmabuf = NULL;
		194	int ret;
		195
		196	/*
		197	* FIXME: Unclear whether there's any global state touched by the
		198	* cursor_set function, especially vmw_cursor_update_position looks
		199	* suspicious. For now take the easy route and reacquire all locks. We
		200	* can do this since the caller in the drm core doesn't check anything
		201	* which is protected by any looks.
		202	*/
		203	mutex_unlock(&crtc->mutex);
		204	drm_modeset_lock_all(dev_priv->dev);
		205
		206	/* A lot of the code assumes this */
		207	if (handle && (width != 64 \|\| height != 64)) {
		208	ret = -EINVAL;
		209	goto out;
		210	}
		211
		212	if (handle) {
		213	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
		214
		215	ret = vmw_user_lookup_handle(dev_priv, tfile,
		216	handle, &surface, &dmabuf);
		217	if (ret) {
		218	DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
		219	ret = -EINVAL;
		220	goto out;
		221	}
		222	}
		223
		224	/* need to do this before taking down old image */
		225	if (surface && !surface->snooper.image) {
		226	DRM_ERROR("surface not suitable for cursor\n");
		227	vmw_surface_unreference(&surface);
		228	ret = -EINVAL;
		229	goto out;
		230	}
		231
		232	/* takedown old cursor */
		233	if (du->cursor_surface) {
		234	du->cursor_surface->snooper.crtc = NULL;
		235	vmw_surface_unreference(&du->cursor_surface);
		236	}
		237	if (du->cursor_dmabuf)
		238	vmw_dmabuf_unreference(&du->cursor_dmabuf);
		239
		240	/* setup new image */
		241	if (surface) {
		242	/* vmw_user_surface_lookup takes one reference */
		243	du->cursor_surface = surface;
		244
		245	du->cursor_surface->snooper.crtc = crtc;
		246	du->cursor_age = du->cursor_surface->snooper.age;
		247	vmw_cursor_update_image(dev_priv, surface->snooper.image,
		248	64, 64, du->hotspot_x, du->hotspot_y);
		249	} else if (dmabuf) {
		250	/* vmw_user_surface_lookup takes one reference */
		251	du->cursor_dmabuf = dmabuf;
		252
		253	ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
		254	du->hotspot_x, du->hotspot_y);
		255	} else {
		256	vmw_cursor_update_position(dev_priv, false, 0, 0);
		257	ret = 0;
		258	goto out;
		259	}
		260
		261	vmw_cursor_update_position(dev_priv, true,
		262	du->cursor_x + du->hotspot_x,
		263	du->cursor_y + du->hotspot_y);
		264
		265	ret = 0;
		266	out:
		267	drm_modeset_unlock_all(dev_priv->dev);
		268	mutex_lock(&crtc->mutex);
		269
		270	return ret;
		271	}
		272
		273	int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
		274	{
		275	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
		276	struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
		277	bool shown = du->cursor_surface \|\| du->cursor_dmabuf ? true : false;
		278
		279	du->cursor_x = x + crtc->x;
		280	du->cursor_y = y + crtc->y;
		281
		282	/*
		283	* FIXME: Unclear whether there's any global state touched by the
		284	* cursor_set function, especially vmw_cursor_update_position looks
		285	* suspicious. For now take the easy route and reacquire all locks. We
		286	* can do this since the caller in the drm core doesn't check anything
		287	* which is protected by any looks.
		288	*/
		289	mutex_unlock(&crtc->mutex);
		290	drm_modeset_lock_all(dev_priv->dev);
		291
		292	vmw_cursor_update_position(dev_priv, shown,
		293	du->cursor_x + du->hotspot_x,
		294	du->cursor_y + du->hotspot_y);
		295
		296	drm_modeset_unlock_all(dev_priv->dev);
		297	mutex_lock(&crtc->mutex);
		298
		299	return 0;
		300	}
		301
		302	void vmw_kms_cursor_snoop(struct vmw_surface *srf,
		303	struct ttm_object_file *tfile,
		304	struct ttm_buffer_object *bo,
		305	SVGA3dCmdHeader *header)
		306	{
		307	struct ttm_bo_kmap_obj map;
		308	unsigned long kmap_offset;
		309	unsigned long kmap_num;
		310	SVGA3dCopyBox *box;
		311	unsigned box_count;
		312	void *virtual;
		313	bool dummy;
		314	struct vmw_dma_cmd {
		315	SVGA3dCmdHeader header;
		316	SVGA3dCmdSurfaceDMA dma;
		317	} *cmd;
		318	int i, ret;
		319
		320	cmd = container_of(header, struct vmw_dma_cmd, header);
		321
		322	/* No snooper installed */
		323	if (!srf->snooper.image)
		324	return;
		325
		326	if (cmd->dma.host.face != 0 \|\| cmd->dma.host.mipmap != 0) {
		327	DRM_ERROR("face and mipmap for cursors should never != 0\n");
		328	return;
		329	}
		330
		331	if (cmd->header.size < 64) {
		332	DRM_ERROR("at least one full copy box must be given\n");
		333	return;
		334	}
		335
		336	box = (SVGA3dCopyBox *)&cmd[1];
		337	box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
		338	sizeof(SVGA3dCopyBox);
		339
		340	if (cmd->dma.guest.ptr.offset % PAGE_SIZE \|\|
		341	box->x != 0 \|\| box->y != 0 \|\| box->z != 0 \|\|
		342	box->srcx != 0 \|\| box->srcy != 0 \|\| box->srcz != 0 \|\|
		343	box->d != 1 \|\| box_count != 1) {
		344	/* TODO handle none page aligned offsets */
		345	/* TODO handle more dst & src != 0 */
		346	/* TODO handle more then one copy */
		347	DRM_ERROR("Cant snoop dma request for cursor!\n");
		348	DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
		349	box->srcx, box->srcy, box->srcz,
		350	box->x, box->y, box->z,
		351	box->w, box->h, box->d, box_count,
		352	cmd->dma.guest.ptr.offset);
		353	return;
		354	}
		355
		356	kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
		357	kmap_num = (64644) >> PAGE_SHIFT;
		358
		359	ret = ttm_bo_reserve(bo, true, false, false, 0);
		360	if (unlikely(ret != 0)) {
		361	DRM_ERROR("reserve failed\n");
		362	return;
		363	}
		364
		365	ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
		366	if (unlikely(ret != 0))
		367	goto err_unreserve;
		368
		369	virtual = ttm_kmap_obj_virtual(&map, &dummy);
		370
		371	if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
		372	memcpy(srf->snooper.image, virtual, 64644);
		373	} else {
		374	/* Image is unsigned pointer. */
		375	for (i = 0; i < box->h; i++)
		376	memcpy(srf->snooper.image + i * 64,
		377	virtual + i * cmd->dma.guest.pitch,
		378	box->w * 4);
		379	}
		380
		381	srf->snooper.age++;
		382
		383	/* we can't call this function from this function since execbuf has
		384	* reserved fifo space.
		385	*
		386	* if (srf->snooper.crtc)
		387	* vmw_ldu_crtc_cursor_update_image(dev_priv,
		388	* srf->snooper.image, 64, 64,
		389	* du->hotspot_x, du->hotspot_y);
		390	*/
		391
		392	ttm_bo_kunmap(&map);
		393	err_unreserve:
		394	ttm_bo_unreserve(bo);
		395	}
		396
		397	void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
		398	{
		399	struct drm_device *dev = dev_priv->dev;
		400	struct vmw_display_unit *du;
		401	struct drm_crtc *crtc;
		402
		403	mutex_lock(&dev->mode_config.mutex);
		404
		405	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
		406	du = vmw_crtc_to_du(crtc);
		407	if (!du->cursor_surface \|\|
		408	du->cursor_age == du->cursor_surface->snooper.age)
		409	continue;
		410
		411	du->cursor_age = du->cursor_surface->snooper.age;
		412	vmw_cursor_update_image(dev_priv,
		413	du->cursor_surface->snooper.image,
		414	64, 64, du->hotspot_x, du->hotspot_y);
		415	}
		416
		417	mutex_unlock(&dev->mode_config.mutex);
		418	}
		419	#endif
		420
		421	/*
		422	* Generic framebuffer code
		423	*/
		424
		425	/*
		426	* Surface framebuffer code
		427	*/
		428
		429	#define vmw_framebuffer_to_vfbs(x) \
		430	container_of(x, struct vmw_framebuffer_surface, base.base)
		431
		432	struct vmw_framebuffer_surface {
		433	struct vmw_framebuffer base;
		434	struct vmw_surface *surface;
		435	struct vmw_dma_buffer *buffer;
		436	struct list_head head;
		437	struct drm_master *master;
		438	};
		439
4570	Serge	440	static void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
4075	Serge	441	{
		442	struct vmw_framebuffer_surface *vfbs =
		443	vmw_framebuffer_to_vfbs(framebuffer);
4570	Serge	444	struct vmw_master *vmaster = vmw_master(vfbs->master);
4075	Serge	445
		446
4570	Serge	447	mutex_lock(&vmaster->fb_surf_mutex);
		448	list_del(&vfbs->head);
		449	mutex_unlock(&vmaster->fb_surf_mutex);
4075	Serge	450
		451
		452	kfree(vfbs);
		453	}
		454
		455	static int do_surface_dirty_sou(struct vmw_private *dev_priv,
		456	struct drm_file *file_priv,
		457	struct vmw_framebuffer *framebuffer,
		458	unsigned flags, unsigned color,
		459	struct drm_clip_rect *clips,
		460	unsigned num_clips, int inc,
		461	struct vmw_fence_obj **out_fence)
		462	{
		463	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
		464	struct drm_clip_rect *clips_ptr;
		465	struct drm_clip_rect *tmp;
		466	struct drm_crtc *crtc;
		467	size_t fifo_size;
		468	int i, num_units;
		469	int ret = 0; /* silence warning */
		470	int left, right, top, bottom;
		471
		472	struct {
		473	SVGA3dCmdHeader header;
		474	SVGA3dCmdBlitSurfaceToScreen body;
		475	} *cmd;
		476	SVGASignedRect *blits;
		477
		478	num_units = 0;
		479	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
		480	head) {
		481	if (crtc->fb != &framebuffer->base)
		482	continue;
		483	units[num_units++] = vmw_crtc_to_du(crtc);
		484	}
		485
		486	BUG_ON(!clips \|\| !num_clips);
		487
		488	tmp = kzalloc(sizeof(tmp) num_clips, GFP_KERNEL);
		489	if (unlikely(tmp == NULL)) {
		490	DRM_ERROR("Temporary cliprect memory alloc failed.\n");
		491	return -ENOMEM;
		492	}
		493
		494	fifo_size = sizeof(cmd) + sizeof(SVGASignedRect) num_clips;
		495	cmd = kzalloc(fifo_size, GFP_KERNEL);
		496	if (unlikely(cmd == NULL)) {
		497	DRM_ERROR("Temporary fifo memory alloc failed.\n");
		498	ret = -ENOMEM;
		499	goto out_free_tmp;
		500	}
		501
		502	/* setup blits pointer */
		503	blits = (SVGASignedRect *)&cmd[1];
		504
		505	/* initial clip region */
		506	left = clips->x1;
		507	right = clips->x2;
		508	top = clips->y1;
		509	bottom = clips->y2;
		510
		511	/* skip the first clip rect */
		512	for (i = 1, clips_ptr = clips + inc;
		513	i < num_clips; i++, clips_ptr += inc) {
		514	left = min_t(int, left, (int)clips_ptr->x1);
		515	right = max_t(int, right, (int)clips_ptr->x2);
		516	top = min_t(int, top, (int)clips_ptr->y1);
		517	bottom = max_t(int, bottom, (int)clips_ptr->y2);
		518	}
		519
		520	/* only need to do this once */
		521	cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
		522	cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
		523
		524	cmd->body.srcRect.left = left;
		525	cmd->body.srcRect.right = right;
		526	cmd->body.srcRect.top = top;
		527	cmd->body.srcRect.bottom = bottom;
		528
		529	clips_ptr = clips;
		530	for (i = 0; i < num_clips; i++, clips_ptr += inc) {
		531	tmp[i].x1 = clips_ptr->x1 - left;
		532	tmp[i].x2 = clips_ptr->x2 - left;
		533	tmp[i].y1 = clips_ptr->y1 - top;
		534	tmp[i].y2 = clips_ptr->y2 - top;
		535	}
		536
		537	/* do per unit writing, reuse fifo for each */
		538	for (i = 0; i < num_units; i++) {
		539	struct vmw_display_unit *unit = units[i];
		540	struct vmw_clip_rect clip;
		541	int num;
		542
		543	clip.x1 = left - unit->crtc.x;
		544	clip.y1 = top - unit->crtc.y;
		545	clip.x2 = right - unit->crtc.x;
		546	clip.y2 = bottom - unit->crtc.y;
		547
		548	/* skip any crtcs that misses the clip region */
		549	if (clip.x1 >= unit->crtc.mode.hdisplay \|\|
		550	clip.y1 >= unit->crtc.mode.vdisplay \|\|
		551	clip.x2 <= 0 \|\| clip.y2 <= 0)
		552	continue;
		553
		554	/*
		555	* In order for the clip rects to be correctly scaled
		556	* the src and dest rects needs to be the same size.
		557	*/
		558	cmd->body.destRect.left = clip.x1;
		559	cmd->body.destRect.right = clip.x2;
		560	cmd->body.destRect.top = clip.y1;
		561	cmd->body.destRect.bottom = clip.y2;
		562
		563	/* create a clip rect of the crtc in dest coords */
		564	clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
		565	clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
		566	clip.x1 = 0 - clip.x1;
		567	clip.y1 = 0 - clip.y1;
		568
		569	/* need to reset sid as it is changed by execbuf */
		570	cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
		571	cmd->body.destScreenId = unit->unit;
		572
		573	/* clip and write blits to cmd stream */
		574	vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
		575
		576	/* if no cliprects hit skip this */
		577	if (num == 0)
		578	continue;
		579
		580	/* only return the last fence */
		581	if (out_fence && *out_fence)
		582	vmw_fence_obj_unreference(out_fence);
		583
		584	/* recalculate package length */
		585	fifo_size = sizeof(cmd) + sizeof(SVGASignedRect) num;
		586	cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
		587	ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
		588	fifo_size, 0, NULL, out_fence);
		589
		590	if (unlikely(ret != 0))
		591	break;
		592	}
		593
		594
		595	kfree(cmd);
		596	out_free_tmp:
		597	kfree(tmp);
		598
		599	return ret;
		600	}
		601
4570	Serge	602	static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
4075	Serge	603	struct drm_file *file_priv,
		604	unsigned flags, unsigned color,
		605	struct drm_clip_rect *clips,
		606	unsigned num_clips)
		607	{
		608	struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
4570	Serge	609	struct vmw_master *vmaster = vmw_master(file_priv->master);
4075	Serge	610	struct vmw_framebuffer_surface *vfbs =
		611	vmw_framebuffer_to_vfbs(framebuffer);
		612	struct drm_clip_rect norect;
		613	int ret, inc = 1;
		614
4570	Serge	615	if (unlikely(vfbs->master != file_priv->master))
		616	return -EINVAL;
4075	Serge	617
		618	/* Require ScreenObject support for 3D */
		619	if (!dev_priv->sou_priv)
		620	return -EINVAL;
		621
4570	Serge	622	drm_modeset_lock_all(dev_priv->dev);
4075	Serge	623
4570	Serge	624	ret = ttm_read_lock(&vmaster->lock, true);
		625	if (unlikely(ret != 0)) {
		626	drm_modeset_unlock_all(dev_priv->dev);
		627	return ret;
		628	}
		629
4075	Serge	630	if (!num_clips) {
		631	num_clips = 1;
		632	clips = &norect;
		633	norect.x1 = norect.y1 = 0;
		634	norect.x2 = framebuffer->width;
		635	norect.y2 = framebuffer->height;
		636	} else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
		637	num_clips /= 2;
		638	inc = 2; /* skip source rects */
		639	}
		640
		641	ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base,
		642	flags, color,
		643	clips, num_clips, inc, NULL);
		644
4570	Serge	645	ttm_read_unlock(&vmaster->lock);
		646
		647	drm_modeset_unlock_all(dev_priv->dev);
		648
4075	Serge	649	return 0;
		650	}
		651
		652	static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
		653	.destroy = vmw_framebuffer_surface_destroy,
		654	.dirty = vmw_framebuffer_surface_dirty,
		655	};
		656
		657	static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
		658	struct drm_file *file_priv,
		659	struct vmw_surface *surface,
		660	struct vmw_framebuffer **out,
		661	const struct drm_mode_fb_cmd
		662	*mode_cmd)
		663
		664	{
		665	struct drm_device *dev = dev_priv->dev;
		666	struct vmw_framebuffer_surface *vfbs;
		667	enum SVGA3dSurfaceFormat format;
4570	Serge	668	struct vmw_master *vmaster = vmw_master(file_priv->master);
4075	Serge	669	int ret;
		670
		671	/* 3D is only supported on HWv8 hosts which supports screen objects */
		672	if (!dev_priv->sou_priv)
		673	return -ENOSYS;
		674
		675	/*
		676	* Sanity checks.
		677	*/
		678
		679	/* Surface must be marked as a scanout. */
		680	if (unlikely(!surface->scanout))
		681	return -EINVAL;
		682
		683	if (unlikely(surface->mip_levels[0] != 1 \|\|
		684	surface->num_sizes != 1 \|\|
4569	Serge	685	surface->base_size.width < mode_cmd->width \|\|
		686	surface->base_size.height < mode_cmd->height \|\|
		687	surface->base_size.depth != 1)) {
4075	Serge	688	DRM_ERROR("Incompatible surface dimensions "
		689	"for requested mode.\n");
		690	return -EINVAL;
		691	}
		692
		693	switch (mode_cmd->depth) {
		694	case 32:
		695	format = SVGA3D_A8R8G8B8;
		696	break;
		697	case 24:
		698	format = SVGA3D_X8R8G8B8;
		699	break;
		700	case 16:
		701	format = SVGA3D_R5G6B5;
		702	break;
		703	case 15:
		704	format = SVGA3D_A1R5G5B5;
		705	break;
		706	case 8:
		707	format = SVGA3D_LUMINANCE8;
		708	break;
		709	default:
		710	DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
		711	return -EINVAL;
		712	}
		713
		714	if (unlikely(format != surface->format)) {
		715	DRM_ERROR("Invalid surface format for requested mode.\n");
		716	return -EINVAL;
		717	}
		718
		719	vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
		720	if (!vfbs) {
		721	ret = -ENOMEM;
		722	goto out_err1;
		723	}
		724
		725	if (!vmw_surface_reference(surface)) {
		726	DRM_ERROR("failed to reference surface %p\n", surface);
		727	ret = -EINVAL;
		728	goto out_err2;
		729	}
		730
		731	/* XXX get the first 3 from the surface info */
		732	vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
		733	vfbs->base.base.pitches[0] = mode_cmd->pitch;
		734	vfbs->base.base.depth = mode_cmd->depth;
		735	vfbs->base.base.width = mode_cmd->width;
		736	vfbs->base.base.height = mode_cmd->height;
		737	vfbs->surface = surface;
		738	vfbs->base.user_handle = mode_cmd->handle;
		739	// vfbs->master = drm_master_get(file_priv->master);
		740
4570	Serge	741	mutex_lock(&vmaster->fb_surf_mutex);
		742	list_add_tail(&vfbs->head, &vmaster->fb_surf);
		743	mutex_unlock(&vmaster->fb_surf_mutex);
4075	Serge	744
		745	*out = &vfbs->base;
		746
		747	ret = drm_framebuffer_init(dev, &vfbs->base.base,
		748	&vmw_framebuffer_surface_funcs);
		749	if (ret)
		750	goto out_err3;
		751
		752	return 0;
		753
		754	out_err3:
		755	vmw_surface_unreference(&surface);
		756	out_err2:
		757	kfree(vfbs);
		758	out_err1:
		759	return ret;
		760	}
		761
		762	/*
		763	* Dmabuf framebuffer code
		764	*/
		765
		766	#define vmw_framebuffer_to_vfbd(x) \
		767	container_of(x, struct vmw_framebuffer_dmabuf, base.base)
		768
		769	struct vmw_framebuffer_dmabuf {
		770	struct vmw_framebuffer base;
		771	struct vmw_dma_buffer *buffer;
		772	};
		773
4570	Serge	774	static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
4075	Serge	775	{
		776	struct vmw_framebuffer_dmabuf *vfbd =
		777	vmw_framebuffer_to_vfbd(framebuffer);
		778
		779	// drm_framebuffer_cleanup(framebuffer);
		780	// vmw_dmabuf_unreference(&vfbd->buffer);
		781	// ttm_base_object_unref(&vfbd->base.user_obj);
		782
		783	kfree(vfbd);
		784	}
		785
		786	static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv,
		787	struct vmw_framebuffer *framebuffer,
		788	unsigned flags, unsigned color,
		789	struct drm_clip_rect *clips,
		790	unsigned num_clips, int increment)
		791	{
		792	size_t fifo_size;
		793	int i;
		794
		795	struct {
		796	uint32_t header;
		797	SVGAFifoCmdUpdate body;
		798	} *cmd;
		799
		800	fifo_size = sizeof(cmd) num_clips;
		801	cmd = vmw_fifo_reserve(dev_priv, fifo_size);
		802	if (unlikely(cmd == NULL)) {
		803	DRM_ERROR("Fifo reserve failed.\n");
		804	return -ENOMEM;
		805	}
		806
		807	memset(cmd, 0, fifo_size);
		808	for (i = 0; i < num_clips; i++, clips += increment) {
		809	cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE);
		810	cmd[i].body.x = cpu_to_le32(clips->x1);
		811	cmd[i].body.y = cpu_to_le32(clips->y1);
		812	cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1);
		813	cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1);
		814	}
		815
		816	vmw_fifo_commit(dev_priv, fifo_size);
		817	return 0;
		818	}
		819
		820	static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
		821	struct vmw_private *dev_priv,
		822	struct vmw_framebuffer *framebuffer)
		823	{
		824	int depth = framebuffer->base.depth;
		825	size_t fifo_size;
		826	int ret;
		827
		828	struct {
		829	uint32_t header;
		830	SVGAFifoCmdDefineGMRFB body;
		831	} *cmd;
		832
		833	/* Emulate RGBA support, contrary to svga_reg.h this is not
		834	* supported by hosts. This is only a problem if we are reading
		835	* this value later and expecting what we uploaded back.
		836	*/
		837	if (depth == 32)
		838	depth = 24;
		839
		840	fifo_size = sizeof(*cmd);
		841	cmd = kmalloc(fifo_size, GFP_KERNEL);
		842	if (unlikely(cmd == NULL)) {
		843	DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
		844	return -ENOMEM;
		845	}
		846
		847	memset(cmd, 0, fifo_size);
		848	cmd->header = SVGA_CMD_DEFINE_GMRFB;
		849	cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel;
		850	cmd->body.format.colorDepth = depth;
		851	cmd->body.format.reserved = 0;
		852	cmd->body.bytesPerLine = framebuffer->base.pitches[0];
		853	cmd->body.ptr.gmrId = framebuffer->user_handle;
		854	cmd->body.ptr.offset = 0;
		855
		856	ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
		857	fifo_size, 0, NULL, NULL);
		858
		859	kfree(cmd);
		860
		861	return ret;
		862	}
		863
		864	static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
		865	struct vmw_private *dev_priv,
		866	struct vmw_framebuffer *framebuffer,
		867	unsigned flags, unsigned color,
		868	struct drm_clip_rect *clips,
		869	unsigned num_clips, int increment,
		870	struct vmw_fence_obj **out_fence)
		871	{
		872	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
		873	struct drm_clip_rect *clips_ptr;
		874	int i, k, num_units, ret;
		875	struct drm_crtc *crtc;
		876	size_t fifo_size;
		877
		878	struct {
		879	uint32_t header;
		880	SVGAFifoCmdBlitGMRFBToScreen body;
		881	} *blits;
		882
		883	ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer);
		884	if (unlikely(ret != 0))
		885	return ret; /* define_gmrfb prints warnings */
		886
		887	fifo_size = sizeof(blits) num_clips;
		888	blits = kmalloc(fifo_size, GFP_KERNEL);
		889	if (unlikely(blits == NULL)) {
		890	DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
		891	return -ENOMEM;
		892	}
		893
		894	num_units = 0;
		895	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
		896	if (crtc->fb != &framebuffer->base)
		897	continue;
		898	units[num_units++] = vmw_crtc_to_du(crtc);
		899	}
		900
		901	for (k = 0; k < num_units; k++) {
		902	struct vmw_display_unit *unit = units[k];
		903	int hit_num = 0;
		904
		905	clips_ptr = clips;
		906	for (i = 0; i < num_clips; i++, clips_ptr += increment) {
		907	int clip_x1 = clips_ptr->x1 - unit->crtc.x;
		908	int clip_y1 = clips_ptr->y1 - unit->crtc.y;
		909	int clip_x2 = clips_ptr->x2 - unit->crtc.x;
		910	int clip_y2 = clips_ptr->y2 - unit->crtc.y;
		911	int move_x, move_y;
		912
		913	/* skip any crtcs that misses the clip region */
		914	if (clip_x1 >= unit->crtc.mode.hdisplay \|\|
		915	clip_y1 >= unit->crtc.mode.vdisplay \|\|
		916	clip_x2 <= 0 \|\| clip_y2 <= 0)
		917	continue;
		918
		919	/* clip size to crtc size */
		920	clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
		921	clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);
		922
		923	/* translate both src and dest to bring clip into screen */
		924	move_x = min_t(int, clip_x1, 0);
		925	move_y = min_t(int, clip_y1, 0);
		926
		927	/* actual translate done here */
		928	blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
		929	blits[hit_num].body.destScreenId = unit->unit;
		930	blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
		931	blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
		932	blits[hit_num].body.destRect.left = clip_x1 - move_x;
		933	blits[hit_num].body.destRect.top = clip_y1 - move_y;
		934	blits[hit_num].body.destRect.right = clip_x2;
		935	blits[hit_num].body.destRect.bottom = clip_y2;
		936	hit_num++;
		937	}
		938
		939	/* no clips hit the crtc */
		940	if (hit_num == 0)
		941	continue;
		942
		943	/* only return the last fence */
		944	if (out_fence && *out_fence)
		945	vmw_fence_obj_unreference(out_fence);
		946
		947	fifo_size = sizeof(blits) hit_num;
		948	ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits,
		949	fifo_size, 0, NULL, out_fence);
		950
		951	if (unlikely(ret != 0))
		952	break;
		953	}
		954
		955	kfree(blits);
		956
		957	return ret;
		958	}
		959
4570	Serge	960	static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
4075	Serge	961	struct drm_file *file_priv,
		962	unsigned flags, unsigned color,
		963	struct drm_clip_rect *clips,
		964	unsigned num_clips)
		965	{
		966	struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
4570	Serge	967	struct vmw_master *vmaster = vmw_master(file_priv->master);
4075	Serge	968	struct vmw_framebuffer_dmabuf *vfbd =
		969	vmw_framebuffer_to_vfbd(framebuffer);
		970	struct drm_clip_rect norect;
		971	int ret, increment = 1;
		972
4570	Serge	973	drm_modeset_lock_all(dev_priv->dev);
4075	Serge	974
4570	Serge	975	ret = ttm_read_lock(&vmaster->lock, true);
		976	if (unlikely(ret != 0)) {
		977	drm_modeset_unlock_all(dev_priv->dev);
		978	return ret;
		979	}
		980
4075	Serge	981	if (!num_clips) {
		982	num_clips = 1;
		983	clips = &norect;
		984	norect.x1 = norect.y1 = 0;
		985	norect.x2 = framebuffer->width;
		986	norect.y2 = framebuffer->height;
		987	} else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
		988	num_clips /= 2;
		989	increment = 2;
		990	}
		991
		992	if (dev_priv->ldu_priv) {
		993	ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base,
		994	flags, color,
		995	clips, num_clips, increment);
		996	} else {
		997	ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base,
		998	flags, color,
		999	clips, num_clips, increment, NULL);
		1000	}
		1001
4570	Serge	1002	ttm_read_unlock(&vmaster->lock);
		1003
		1004	drm_modeset_unlock_all(dev_priv->dev);
		1005
4075	Serge	1006	return ret;
		1007	}
		1008
		1009	static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
		1010	.destroy = vmw_framebuffer_dmabuf_destroy,
		1011	.dirty = vmw_framebuffer_dmabuf_dirty,
		1012	};
		1013
		1014	/**
		1015	* Pin the dmabuffer to the start of vram.
		1016	*/
		1017	static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb)
		1018	{
		1019	struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
		1020	struct vmw_framebuffer_dmabuf *vfbd =
		1021	vmw_framebuffer_to_vfbd(&vfb->base);
		1022	int ret;
		1023
		1024	/* This code should not be used with screen objects */
		1025	BUG_ON(dev_priv->sou_priv);
		1026
		1027	// vmw_overlay_pause_all(dev_priv);
		1028
		1029	ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false);
		1030
		1031	// vmw_overlay_resume_all(dev_priv);
		1032
		1033	WARN_ON(ret != 0);
		1034
		1035	return 0;
		1036	}
		1037
		1038	static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb)
		1039	{
		1040	struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
		1041	struct vmw_framebuffer_dmabuf *vfbd =
		1042	vmw_framebuffer_to_vfbd(&vfb->base);
		1043
		1044	if (!vfbd->buffer) {
		1045	WARN_ON(!vfbd->buffer);
		1046	return 0;
		1047	}
		1048
		1049	return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false);
		1050	}
		1051
		1052	#if 0
		1053	static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
		1054	struct vmw_dma_buffer *dmabuf,
		1055	struct vmw_framebuffer **out,
		1056	const struct drm_mode_fb_cmd
		1057	*mode_cmd)
		1058
		1059	{
		1060	struct drm_device *dev = dev_priv->dev;
		1061	struct vmw_framebuffer_dmabuf *vfbd;
		1062	unsigned int requested_size;
		1063	int ret;
		1064
		1065	requested_size = mode_cmd->height * mode_cmd->pitch;
		1066	if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) {
		1067	DRM_ERROR("Screen buffer object size is too small "
		1068	"for requested mode.\n");
		1069	return -EINVAL;
		1070	}
		1071
		1072	/* Limited framebuffer color depth support for screen objects */
		1073	if (dev_priv->sou_priv) {
		1074	switch (mode_cmd->depth) {
		1075	case 32:
		1076	case 24:
		1077	/* Only support 32 bpp for 32 and 24 depth fbs */
		1078	if (mode_cmd->bpp == 32)
		1079	break;
		1080
		1081	DRM_ERROR("Invalid color depth/bbp: %d %d\n",
		1082	mode_cmd->depth, mode_cmd->bpp);
		1083	return -EINVAL;
		1084	case 16:
		1085	case 15:
		1086	/* Only support 16 bpp for 16 and 15 depth fbs */
		1087	if (mode_cmd->bpp == 16)
		1088	break;
		1089
		1090	DRM_ERROR("Invalid color depth/bbp: %d %d\n",
		1091	mode_cmd->depth, mode_cmd->bpp);
		1092	return -EINVAL;
		1093	default:
		1094	DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
		1095	return -EINVAL;
		1096	}
		1097	}
		1098
		1099	vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
		1100	if (!vfbd) {
		1101	ret = -ENOMEM;
		1102	goto out_err1;
		1103	}
		1104
		1105	if (!vmw_dmabuf_reference(dmabuf)) {
		1106	DRM_ERROR("failed to reference dmabuf %p\n", dmabuf);
		1107	ret = -EINVAL;
		1108	goto out_err2;
		1109	}
		1110
		1111	vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
		1112	vfbd->base.base.pitches[0] = mode_cmd->pitch;
		1113	vfbd->base.base.depth = mode_cmd->depth;
		1114	vfbd->base.base.width = mode_cmd->width;
		1115	vfbd->base.base.height = mode_cmd->height;
		1116	if (!dev_priv->sou_priv) {
		1117	vfbd->base.pin = vmw_framebuffer_dmabuf_pin;
		1118	vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin;
		1119	}
		1120	vfbd->base.dmabuf = true;
		1121	vfbd->buffer = dmabuf;
		1122	vfbd->base.user_handle = mode_cmd->handle;
		1123	*out = &vfbd->base;
		1124
		1125	ret = drm_framebuffer_init(dev, &vfbd->base.base,
		1126	&vmw_framebuffer_dmabuf_funcs);
		1127	if (ret)
		1128	goto out_err3;
		1129
		1130	return 0;
		1131
		1132	out_err3:
		1133	vmw_dmabuf_unreference(&dmabuf);
		1134	out_err2:
		1135	kfree(vfbd);
		1136	out_err1:
		1137	return ret;
		1138	}
		1139	#endif
		1140
		1141	/*
		1142	* Generic Kernel modesetting functions
		1143	*/
		1144
		1145	static struct drm_framebuffer vmw_kms_fb_create(struct drm_device dev,
		1146	struct drm_file *file_priv,
		1147	struct drm_mode_fb_cmd2 *mode_cmd2)
		1148	{
		1149	struct vmw_private *dev_priv = vmw_priv(dev);
		1150	struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
		1151	struct vmw_framebuffer *vfb = NULL;
		1152	struct vmw_surface *surface = NULL;
		1153	struct vmw_dma_buffer *bo = NULL;
		1154	struct ttm_base_object *user_obj;
		1155	struct drm_mode_fb_cmd mode_cmd;
		1156	int ret;
		1157
		1158	mode_cmd.width = mode_cmd2->width;
		1159	mode_cmd.height = mode_cmd2->height;
		1160	mode_cmd.pitch = mode_cmd2->pitches[0];
		1161	mode_cmd.handle = mode_cmd2->handles[0];
		1162	drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth,
		1163	&mode_cmd.bpp);
		1164
		1165	/**
		1166	* This code should be conditioned on Screen Objects not being used.
		1167	* If screen objects are used, we can allocate a GMR to hold the
		1168	* requested framebuffer.
		1169	*/
		1170
		1171	if (!vmw_kms_validate_mode_vram(dev_priv,
		1172	mode_cmd.pitch,
		1173	mode_cmd.height)) {
		1174	DRM_ERROR("VRAM size is too small for requested mode.\n");
		1175	return ERR_PTR(-ENOMEM);
		1176	}
		1177
		1178	/*
		1179	* Take a reference on the user object of the resource
		1180	* backing the kms fb. This ensures that user-space handle
		1181	* lookups on that resource will always work as long as
		1182	* it's registered with a kms framebuffer. This is important,
		1183	* since vmw_execbuf_process identifies resources in the
		1184	* command stream using user-space handles.
		1185	*/
		1186
		1187	user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle);
		1188	if (unlikely(user_obj == NULL)) {
		1189	DRM_ERROR("Could not locate requested kms frame buffer.\n");
		1190	return ERR_PTR(-ENOENT);
		1191	}
		1192
		1193	/**
		1194	* End conditioned code.
		1195	*/
		1196
		1197	/* returns either a dmabuf or surface */
		1198	// ret = vmw_user_lookup_handle(dev_priv, tfile,
		1199	// mode_cmd.handle,
		1200	// &surface, &bo);
		1201	// if (ret)
		1202	// goto err_out;
		1203
		1204	/* Create the new framebuffer depending one what we got back */
		1205	// if (bo)
		1206	// ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
		1207	// &mode_cmd);
		1208	// else if (surface)
		1209	ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
		1210	surface, &vfb, &mode_cmd);
		1211	// else
		1212	// BUG();
		1213
		1214	err_out:
		1215	/* vmw_user_lookup_handle takes one ref so does new_fb */
		1216	// if (bo)
		1217	// vmw_dmabuf_unreference(&bo);
		1218	// if (surface)
		1219	// vmw_surface_unreference(&surface);
		1220
		1221	if (ret) {
		1222	DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
		1223	// ttm_base_object_unref(&user_obj);
		1224	return ERR_PTR(ret);
		1225	} else
		1226	vfb->user_obj = user_obj;
		1227
		1228	return &vfb->base;
		1229	}
		1230
		1231	static const struct drm_mode_config_funcs vmw_kms_funcs = {
		1232	.fb_create = vmw_kms_fb_create,
		1233	};
		1234
		1235	int vmw_kms_present(struct vmw_private *dev_priv,
		1236	struct drm_file *file_priv,
		1237	struct vmw_framebuffer *vfb,
		1238	struct vmw_surface *surface,
		1239	uint32_t sid,
		1240	int32_t destX, int32_t destY,
		1241	struct drm_vmw_rect *clips,
		1242	uint32_t num_clips)
		1243	{
		1244	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
		1245	struct drm_clip_rect *tmp;
		1246	struct drm_crtc *crtc;
		1247	size_t fifo_size;
		1248	int i, k, num_units;
		1249	int ret = 0; /* silence warning */
		1250	int left, right, top, bottom;
		1251
		1252	struct {
		1253	SVGA3dCmdHeader header;
		1254	SVGA3dCmdBlitSurfaceToScreen body;
		1255	} *cmd;
		1256	SVGASignedRect *blits;
		1257
		1258	num_units = 0;
		1259	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
		1260	if (crtc->fb != &vfb->base)
		1261	continue;
		1262	units[num_units++] = vmw_crtc_to_du(crtc);
		1263	}
		1264
		1265	BUG_ON(surface == NULL);
		1266	BUG_ON(!clips \|\| !num_clips);
		1267
		1268	tmp = kzalloc(sizeof(tmp) num_clips, GFP_KERNEL);
		1269	if (unlikely(tmp == NULL)) {
		1270	DRM_ERROR("Temporary cliprect memory alloc failed.\n");
		1271	return -ENOMEM;
		1272	}
		1273
		1274	fifo_size = sizeof(cmd) + sizeof(SVGASignedRect) num_clips;
		1275	cmd = kmalloc(fifo_size, GFP_KERNEL);
		1276	if (unlikely(cmd == NULL)) {
		1277	DRM_ERROR("Failed to allocate temporary fifo memory.\n");
		1278	ret = -ENOMEM;
		1279	goto out_free_tmp;
		1280	}
		1281
		1282	left = clips->x;
		1283	right = clips->x + clips->w;
		1284	top = clips->y;
		1285	bottom = clips->y + clips->h;
		1286
		1287	for (i = 1; i < num_clips; i++) {
		1288	left = min_t(int, left, (int)clips[i].x);
		1289	right = max_t(int, right, (int)clips[i].x + clips[i].w);
		1290	top = min_t(int, top, (int)clips[i].y);
		1291	bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
		1292	}
		1293
		1294	/* only need to do this once */
		1295	memset(cmd, 0, fifo_size);
		1296	cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
		1297
		1298	blits = (SVGASignedRect *)&cmd[1];
		1299
		1300	cmd->body.srcRect.left = left;
		1301	cmd->body.srcRect.right = right;
		1302	cmd->body.srcRect.top = top;
		1303	cmd->body.srcRect.bottom = bottom;
		1304
		1305	for (i = 0; i < num_clips; i++) {
		1306	tmp[i].x1 = clips[i].x - left;
		1307	tmp[i].x2 = clips[i].x + clips[i].w - left;
		1308	tmp[i].y1 = clips[i].y - top;
		1309	tmp[i].y2 = clips[i].y + clips[i].h - top;
		1310	}
		1311
		1312	for (k = 0; k < num_units; k++) {
		1313	struct vmw_display_unit *unit = units[k];
		1314	struct vmw_clip_rect clip;
		1315	int num;
		1316
		1317	clip.x1 = left + destX - unit->crtc.x;
		1318	clip.y1 = top + destY - unit->crtc.y;
		1319	clip.x2 = right + destX - unit->crtc.x;
		1320	clip.y2 = bottom + destY - unit->crtc.y;
		1321
		1322	/* skip any crtcs that misses the clip region */
		1323	if (clip.x1 >= unit->crtc.mode.hdisplay \|\|
		1324	clip.y1 >= unit->crtc.mode.vdisplay \|\|
		1325	clip.x2 <= 0 \|\| clip.y2 <= 0)
		1326	continue;
		1327
		1328	/*
		1329	* In order for the clip rects to be correctly scaled
		1330	* the src and dest rects needs to be the same size.
		1331	*/
		1332	cmd->body.destRect.left = clip.x1;
		1333	cmd->body.destRect.right = clip.x2;
		1334	cmd->body.destRect.top = clip.y1;
		1335	cmd->body.destRect.bottom = clip.y2;
		1336
		1337	/* create a clip rect of the crtc in dest coords */
		1338	clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
		1339	clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
		1340	clip.x1 = 0 - clip.x1;
		1341	clip.y1 = 0 - clip.y1;
		1342
		1343	/* need to reset sid as it is changed by execbuf */
		1344	cmd->body.srcImage.sid = sid;
		1345	cmd->body.destScreenId = unit->unit;
		1346
		1347	/* clip and write blits to cmd stream */
		1348	vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
		1349
		1350	/* if no cliprects hit skip this */
		1351	if (num == 0)
		1352	continue;
		1353
		1354	/* recalculate package length */
		1355	fifo_size = sizeof(cmd) + sizeof(SVGASignedRect) num;
		1356	cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
		1357	ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
		1358	fifo_size, 0, NULL, NULL);
		1359
		1360	if (unlikely(ret != 0))
		1361	break;
		1362	}
		1363
		1364	kfree(cmd);
		1365	out_free_tmp:
		1366	kfree(tmp);
		1367
		1368	return ret;
		1369	}
		1370
		1371	int vmw_kms_readback(struct vmw_private *dev_priv,
		1372	struct drm_file *file_priv,
		1373	struct vmw_framebuffer *vfb,
		1374	struct drm_vmw_fence_rep __user *user_fence_rep,
		1375	struct drm_vmw_rect *clips,
		1376	uint32_t num_clips)
		1377	{
		1378	struct vmw_framebuffer_dmabuf *vfbd =
		1379	vmw_framebuffer_to_vfbd(&vfb->base);
		1380	struct vmw_dma_buffer *dmabuf = vfbd->buffer;
		1381	struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
		1382	struct drm_crtc *crtc;
		1383	size_t fifo_size;
		1384	int i, k, ret, num_units, blits_pos;
		1385
		1386	struct {
		1387	uint32_t header;
		1388	SVGAFifoCmdDefineGMRFB body;
		1389	} *cmd;
		1390	struct {
		1391	uint32_t header;
		1392	SVGAFifoCmdBlitScreenToGMRFB body;
		1393	} *blits;
		1394
		1395	num_units = 0;
		1396	list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
		1397	if (crtc->fb != &vfb->base)
		1398	continue;
		1399	units[num_units++] = vmw_crtc_to_du(crtc);
		1400	}
		1401
		1402	BUG_ON(dmabuf == NULL);
		1403	BUG_ON(!clips \|\| !num_clips);
		1404
		1405	/* take a safe guess at fifo size */
		1406	fifo_size = sizeof(cmd) + sizeof(blits) * num_clips * num_units;
		1407	cmd = kmalloc(fifo_size, GFP_KERNEL);
		1408	if (unlikely(cmd == NULL)) {
		1409	DRM_ERROR("Failed to allocate temporary fifo memory.\n");
		1410	return -ENOMEM;
		1411	}
		1412
		1413	memset(cmd, 0, fifo_size);
		1414	cmd->header = SVGA_CMD_DEFINE_GMRFB;
		1415	cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel;
		1416	cmd->body.format.colorDepth = vfb->base.depth;
		1417	cmd->body.format.reserved = 0;
		1418	cmd->body.bytesPerLine = vfb->base.pitches[0];
		1419	cmd->body.ptr.gmrId = vfb->user_handle;
		1420	cmd->body.ptr.offset = 0;
		1421
		1422	blits = (void *)&cmd[1];
		1423	blits_pos = 0;
		1424	for (i = 0; i < num_units; i++) {
		1425	struct drm_vmw_rect *c = clips;
		1426	for (k = 0; k < num_clips; k++, c++) {
		1427	/* transform clip coords to crtc origin based coords */
		1428	int clip_x1 = c->x - units[i]->crtc.x;
		1429	int clip_x2 = c->x - units[i]->crtc.x + c->w;
		1430	int clip_y1 = c->y - units[i]->crtc.y;
		1431	int clip_y2 = c->y - units[i]->crtc.y + c->h;
		1432	int dest_x = c->x;
		1433	int dest_y = c->y;
		1434
		1435	/* compensate for clipping, we negate
		1436	* a negative number and add that.
		1437	*/
		1438	if (clip_x1 < 0)
		1439	dest_x += -clip_x1;
		1440	if (clip_y1 < 0)
		1441	dest_y += -clip_y1;
		1442
		1443	/* clip */
		1444	clip_x1 = max(clip_x1, 0);
		1445	clip_y1 = max(clip_y1, 0);
		1446	clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay);
		1447	clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay);
		1448
		1449	/* and cull any rects that misses the crtc */
		1450	if (clip_x1 >= units[i]->crtc.mode.hdisplay \|\|
		1451	clip_y1 >= units[i]->crtc.mode.vdisplay \|\|
		1452	clip_x2 <= 0 \|\| clip_y2 <= 0)
		1453	continue;
		1454
		1455	blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB;
		1456	blits[blits_pos].body.srcScreenId = units[i]->unit;
		1457	blits[blits_pos].body.destOrigin.x = dest_x;
		1458	blits[blits_pos].body.destOrigin.y = dest_y;
		1459
		1460	blits[blits_pos].body.srcRect.left = clip_x1;
		1461	blits[blits_pos].body.srcRect.top = clip_y1;
		1462	blits[blits_pos].body.srcRect.right = clip_x2;
		1463	blits[blits_pos].body.srcRect.bottom = clip_y2;
		1464	blits_pos++;
		1465	}
		1466	}
		1467	/* reset size here and use calculated exact size from loops */
		1468	fifo_size = sizeof(cmd) + sizeof(blits) * blits_pos;
		1469
		1470	ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size,
		1471	0, user_fence_rep, NULL);
		1472
		1473	kfree(cmd);
		1474
		1475	return ret;
		1476	}
		1477
		1478	int vmw_kms_init(struct vmw_private *dev_priv)
		1479	{
		1480	struct drm_device *dev = dev_priv->dev;
		1481	int ret;
4569	Serge	1482
4075	Serge	1483	ENTER();
4569	Serge	1484
4075	Serge	1485	drm_mode_config_init(dev);
		1486	dev->mode_config.funcs = &vmw_kms_funcs;
		1487	dev->mode_config.min_width = 1;
		1488	dev->mode_config.min_height = 1;
		1489	/* assumed largest fb size */
		1490	dev->mode_config.max_width = 8192;
		1491	dev->mode_config.max_height = 8192;
		1492
		1493	ret = vmw_kms_init_screen_object_display(dev_priv);
		1494	// if (ret) /* Fallback */
		1495	// (void)vmw_kms_init_legacy_display_system(dev_priv);
		1496
4569	Serge	1497	LEAVE();
		1498
4075	Serge	1499	return 0;
		1500	}
		1501
		1502	int vmw_kms_close(struct vmw_private *dev_priv)
		1503	{
		1504	/*
		1505	* Docs says we should take the lock before calling this function
		1506	* but since it destroys encoders and our destructor calls
		1507	* drm_encoder_cleanup which takes the lock we deadlock.
		1508	*/
		1509	// drm_mode_config_cleanup(dev_priv->dev);
		1510	// if (dev_priv->sou_priv)
		1511	// vmw_kms_close_screen_object_display(dev_priv);
		1512	// else
		1513	// vmw_kms_close_legacy_display_system(dev_priv);
		1514	return 0;
		1515	}
		1516
4569	Serge	1517	#if 0
4075	Serge	1518	int vmw_kms_cursor_bypass_ioctl(struct drm_device dev, void data,
		1519	struct drm_file *file_priv)
		1520	{
		1521	struct drm_vmw_cursor_bypass_arg *arg = data;
		1522	struct vmw_display_unit *du;
		1523	struct drm_mode_object *obj;
		1524	struct drm_crtc *crtc;
		1525	int ret = 0;
		1526
		1527
		1528	mutex_lock(&dev->mode_config.mutex);
		1529	if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
		1530
		1531	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
		1532	du = vmw_crtc_to_du(crtc);
		1533	du->hotspot_x = arg->xhot;
		1534	du->hotspot_y = arg->yhot;
		1535	}
		1536
		1537	mutex_unlock(&dev->mode_config.mutex);
		1538	return 0;
		1539	}
		1540
		1541	obj = drm_mode_object_find(dev, arg->crtc_id, DRM_MODE_OBJECT_CRTC);
		1542	if (!obj) {
4569	Serge	1543	ret = -ENOENT;
4075	Serge	1544	goto out;
		1545	}
		1546
		1547	crtc = obj_to_crtc(obj);
		1548	du = vmw_crtc_to_du(crtc);
		1549
		1550	du->hotspot_x = arg->xhot;
		1551	du->hotspot_y = arg->yhot;
		1552
		1553	out:
		1554	mutex_unlock(&dev->mode_config.mutex);
		1555
		1556	return ret;
		1557	}
		1558	#endif
4569	Serge	1559
4075	Serge	1560	int vmw_kms_write_svga(struct vmw_private *vmw_priv,
		1561	unsigned width, unsigned height, unsigned pitch,
		1562	unsigned bpp, unsigned depth)
		1563	{
		1564	if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
		1565	vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
		1566	else if (vmw_fifo_have_pitchlock(vmw_priv))
		1567	iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
		1568	vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
		1569	vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
		1570	vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
		1571
		1572	if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
		1573	DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
		1574	depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
		1575	return -EINVAL;
		1576	}
		1577
		1578	return 0;
		1579	}
		1580
		1581	int vmw_kms_save_vga(struct vmw_private *vmw_priv)
		1582	{
		1583	struct vmw_vga_topology_state *save;
		1584	uint32_t i;
		1585
		1586	vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
		1587	vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
		1588	vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
		1589	if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
		1590	vmw_priv->vga_pitchlock =
		1591	vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
		1592	else if (vmw_fifo_have_pitchlock(vmw_priv))
		1593	vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt +
		1594	SVGA_FIFO_PITCHLOCK);
		1595
		1596	if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
		1597	return 0;
		1598
		1599	vmw_priv->num_displays = vmw_read(vmw_priv,
		1600	SVGA_REG_NUM_GUEST_DISPLAYS);
		1601
		1602	if (vmw_priv->num_displays == 0)
		1603	vmw_priv->num_displays = 1;
		1604
		1605	for (i = 0; i < vmw_priv->num_displays; ++i) {
		1606	save = &vmw_priv->vga_save[i];
		1607	vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
		1608	save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
		1609	save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
		1610	save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
		1611	save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
		1612	save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
		1613	vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
		1614	if (i == 0 && vmw_priv->num_displays == 1 &&
		1615	save->width == 0 && save->height == 0) {
		1616
		1617	/*
		1618	* It should be fairly safe to assume that these
		1619	* values are uninitialized.
		1620	*/
		1621
		1622	save->width = vmw_priv->vga_width - save->pos_x;
		1623	save->height = vmw_priv->vga_height - save->pos_y;
		1624	}
		1625	}
		1626
		1627	return 0;
		1628	}
		1629
		1630	int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
		1631	{
		1632	struct vmw_vga_topology_state *save;
		1633	uint32_t i;
		1634
		1635	vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
		1636	vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
		1637	vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
		1638	if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
		1639	vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
		1640	vmw_priv->vga_pitchlock);
		1641	else if (vmw_fifo_have_pitchlock(vmw_priv))
		1642	iowrite32(vmw_priv->vga_pitchlock,
		1643	vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
		1644
		1645	if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
		1646	return 0;
		1647
		1648	for (i = 0; i < vmw_priv->num_displays; ++i) {
		1649	save = &vmw_priv->vga_save[i];
		1650	vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
		1651	vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
		1652	vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
		1653	vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
		1654	vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
		1655	vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
		1656	vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
		1657	}
		1658
		1659	return 0;
		1660	}
		1661
		1662	bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
		1663	uint32_t pitch,
		1664	uint32_t height)
		1665	{
4569	Serge	1666	return ((u64) pitch * (u64) height) < (u64) dev_priv->prim_bb_mem;
4075	Serge	1667	}
		1668
		1669
		1670	/**
		1671	* Function called by DRM code called with vbl_lock held.
		1672	*/
		1673	u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
		1674	{
		1675	return 0;
		1676	}
		1677
		1678	/**
		1679	* Function called by DRM code called with vbl_lock held.
		1680	*/
		1681	int vmw_enable_vblank(struct drm_device *dev, int crtc)
		1682	{
		1683	return -ENOSYS;
		1684	}
		1685
		1686	/**
		1687	* Function called by DRM code called with vbl_lock held.
		1688	*/
		1689	void vmw_disable_vblank(struct drm_device *dev, int crtc)
		1690	{
		1691	}
		1692
		1693
		1694	/*
		1695	* Small shared kms functions.
		1696	*/
		1697
4570	Serge	1698	static int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
4075	Serge	1699	struct drm_vmw_rect *rects)
		1700	{
		1701	struct drm_device *dev = dev_priv->dev;
		1702	struct vmw_display_unit *du;
		1703	struct drm_connector *con;
		1704
		1705	mutex_lock(&dev->mode_config.mutex);
		1706
		1707	#if 0
		1708	{
		1709	unsigned int i;
		1710
		1711	DRM_INFO("%s: new layout ", __func__);
		1712	for (i = 0; i < num; i++)
		1713	DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
		1714	rects[i].w, rects[i].h);
		1715	DRM_INFO("\n");
		1716	}
		1717	#endif
		1718
		1719	list_for_each_entry(con, &dev->mode_config.connector_list, head) {
		1720	du = vmw_connector_to_du(con);
		1721	if (num > du->unit) {
		1722	du->pref_width = rects[du->unit].w;
		1723	du->pref_height = rects[du->unit].h;
		1724	du->pref_active = true;
		1725	du->gui_x = rects[du->unit].x;
		1726	du->gui_y = rects[du->unit].y;
		1727	} else {
		1728	du->pref_width = 800;
		1729	du->pref_height = 600;
		1730	du->pref_active = false;
		1731	}
		1732	con->status = vmw_du_connector_detect(con, true);
		1733	}
		1734
		1735	mutex_unlock(&dev->mode_config.mutex);
		1736
		1737	return 0;
		1738	}
		1739
		1740	#if 0
		1741	int vmw_du_page_flip(struct drm_crtc *crtc,
		1742	struct drm_framebuffer *fb,
4570	Serge	1743	struct drm_pending_vblank_event *event,
		1744	uint32_t page_flip_flags)
4075	Serge	1745	{
		1746	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
		1747	struct drm_framebuffer *old_fb = crtc->fb;
		1748	struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb);
		1749	struct drm_file *file_priv ;
		1750	struct vmw_fence_obj *fence = NULL;
		1751	struct drm_clip_rect clips;
		1752	int ret;
		1753
		1754	if (event == NULL)
		1755	return -EINVAL;
		1756
		1757	/* require ScreenObject support for page flipping */
		1758	if (!dev_priv->sou_priv)
		1759	return -ENOSYS;
		1760
		1761	file_priv = event->base.file_priv;
		1762	if (!vmw_kms_screen_object_flippable(dev_priv, crtc))
		1763	return -EINVAL;
		1764
		1765	crtc->fb = fb;
		1766
		1767	/* do a full screen dirty update */
		1768	clips.x1 = clips.y1 = 0;
		1769	clips.x2 = fb->width;
		1770	clips.y2 = fb->height;
		1771
		1772	if (vfb->dmabuf)
		1773	ret = do_dmabuf_dirty_sou(file_priv, dev_priv, vfb,
		1774	0, 0, &clips, 1, 1, &fence);
		1775	else
		1776	ret = do_surface_dirty_sou(dev_priv, file_priv, vfb,
		1777	0, 0, &clips, 1, 1, &fence);
		1778
		1779
		1780	if (ret != 0)
		1781	goto out_no_fence;
		1782	if (!fence) {
		1783	ret = -EINVAL;
		1784	goto out_no_fence;
		1785	}
		1786
		1787	ret = vmw_event_fence_action_queue(file_priv, fence,
		1788	&event->base,
		1789	&event->event.tv_sec,
		1790	&event->event.tv_usec,
		1791	true);
		1792
		1793	/*
		1794	* No need to hold on to this now. The only cleanup
		1795	* we need to do if we fail is unref the fence.
		1796	*/
		1797	vmw_fence_obj_unreference(&fence);
		1798
		1799	if (vmw_crtc_to_du(crtc)->is_implicit)
		1800	vmw_kms_screen_object_update_implicit_fb(dev_priv, crtc);
		1801
		1802	return ret;
		1803
		1804	out_no_fence:
		1805	crtc->fb = old_fb;
		1806	return ret;
		1807	}
		1808	#endif
		1809
		1810	void vmw_du_crtc_save(struct drm_crtc *crtc)
		1811	{
		1812	}
		1813
		1814	void vmw_du_crtc_restore(struct drm_crtc *crtc)
		1815	{
		1816	}
		1817
		1818	void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
		1819	u16 r, u16 g, u16 *b,
		1820	uint32_t start, uint32_t size)
		1821	{
		1822	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
		1823	int i;
		1824
		1825	for (i = 0; i < size; i++) {
		1826	DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
		1827	r[i], g[i], b[i]);
		1828	vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
		1829	vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
		1830	vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
		1831	}
		1832	}
		1833
		1834	void vmw_du_connector_dpms(struct drm_connector *connector, int mode)
		1835	{
		1836	}
		1837
		1838	void vmw_du_connector_save(struct drm_connector *connector)
		1839	{
		1840	}
		1841
		1842	void vmw_du_connector_restore(struct drm_connector *connector)
		1843	{
		1844	}
		1845
		1846	enum drm_connector_status
		1847	vmw_du_connector_detect(struct drm_connector *connector, bool force)
		1848	{
		1849	uint32_t num_displays;
		1850	struct drm_device *dev = connector->dev;
		1851	struct vmw_private *dev_priv = vmw_priv(dev);
		1852	struct vmw_display_unit *du = vmw_connector_to_du(connector);
		1853
		1854	mutex_lock(&dev_priv->hw_mutex);
		1855	num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
		1856	mutex_unlock(&dev_priv->hw_mutex);
		1857
		1858	return ((vmw_connector_to_du(connector)->unit < num_displays &&
		1859	du->pref_active) ?
		1860	connector_status_connected : connector_status_disconnected);
		1861	}
		1862
		1863	static struct drm_display_mode vmw_kms_connector_builtin[] = {
		1864	/* 640x480@60Hz */
		1865	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
		1866	752, 800, 0, 480, 489, 492, 525, 0,
		1867	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_NVSYNC) },
		1868	/* 800x600@60Hz */
		1869	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
		1870	968, 1056, 0, 600, 601, 605, 628, 0,
		1871	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1872	/* 1024x768@60Hz */
		1873	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
		1874	1184, 1344, 0, 768, 771, 777, 806, 0,
		1875	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_NVSYNC) },
		1876	/* 1152x864@75Hz */
		1877	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
		1878	1344, 1600, 0, 864, 865, 868, 900, 0,
		1879	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1880	/* 1280x768@60Hz */
		1881	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
		1882	1472, 1664, 0, 768, 771, 778, 798, 0,
		1883	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1884	/* 1280x800@60Hz */
		1885	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
		1886	1480, 1680, 0, 800, 803, 809, 831, 0,
		1887	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_NVSYNC) },
		1888	/* 1280x960@60Hz */
		1889	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
		1890	1488, 1800, 0, 960, 961, 964, 1000, 0,
		1891	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1892	/* 1280x1024@60Hz */
		1893	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
		1894	1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
		1895	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1896	/* 1360x768@60Hz */
		1897	{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
		1898	1536, 1792, 0, 768, 771, 777, 795, 0,
		1899	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1900	/* 1440x1050@60Hz */
		1901	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
		1902	1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
		1903	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1904	/* 1440x900@60Hz */
		1905	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
		1906	1672, 1904, 0, 900, 903, 909, 934, 0,
		1907	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1908	/* 1600x1200@60Hz */
		1909	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
		1910	1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
		1911	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1912	/* 1680x1050@60Hz */
		1913	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
		1914	1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
		1915	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1916	/* 1792x1344@60Hz */
		1917	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
		1918	2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
		1919	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1920	/* 1853x1392@60Hz */
		1921	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
		1922	2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
		1923	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
4080	Serge	1924	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
		1925	2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
		1926	DRM_MODE_FLAG_PHSYNC \| DRM_MODE_FLAG_PVSYNC),
		1927	.vrefresh = 60, },
4075	Serge	1928	/* 1920x1200@60Hz */
		1929	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
		1930	2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
		1931	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1932	/* 1920x1440@60Hz */
		1933	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
		1934	2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
		1935	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) },
		1936	/* 2560x1600@60Hz */
4080	Serge	1937	/* { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
4075	Serge	1938	3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
4080	Serge	1939	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC) }, */
4075	Serge	1940	/* Terminate */
		1941	{ DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
		1942	};
		1943
		1944	/**
		1945	* vmw_guess_mode_timing - Provide fake timings for a
		1946	* 60Hz vrefresh mode.
		1947	*
		1948	* @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
		1949	* members filled in.
		1950	*/
		1951	static void vmw_guess_mode_timing(struct drm_display_mode *mode)
		1952	{
		1953	mode->hsync_start = mode->hdisplay + 50;
		1954	mode->hsync_end = mode->hsync_start + 50;
		1955	mode->htotal = mode->hsync_end + 50;
		1956
		1957	mode->vsync_start = mode->vdisplay + 50;
		1958	mode->vsync_end = mode->vsync_start + 50;
		1959	mode->vtotal = mode->vsync_end + 50;
		1960
		1961	mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
		1962	mode->vrefresh = drm_mode_vrefresh(mode);
		1963	}
		1964
		1965
		1966	int vmw_du_connector_fill_modes(struct drm_connector *connector,
		1967	uint32_t max_width, uint32_t max_height)
		1968	{
		1969	struct vmw_display_unit *du = vmw_connector_to_du(connector);
		1970	struct drm_device *dev = connector->dev;
		1971	struct vmw_private *dev_priv = vmw_priv(dev);
		1972	struct drm_display_mode *mode = NULL;
		1973	struct drm_display_mode *bmode;
		1974	struct drm_display_mode prefmode = { DRM_MODE("preferred",
		1975	DRM_MODE_TYPE_DRIVER \| DRM_MODE_TYPE_PREFERRED,
		1976	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
		1977	DRM_MODE_FLAG_NHSYNC \| DRM_MODE_FLAG_PVSYNC)
		1978	};
		1979	int i;
		1980
		1981	/* Add preferred mode */
		1982	{
		1983	mode = drm_mode_duplicate(dev, &prefmode);
		1984	if (!mode)
		1985	return 0;
		1986	mode->hdisplay = du->pref_width;
		1987	mode->vdisplay = du->pref_height;
		1988	vmw_guess_mode_timing(mode);
		1989
		1990	if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2,
		1991	mode->vdisplay)) {
		1992	drm_mode_probed_add(connector, mode);
		1993	} else {
		1994	drm_mode_destroy(dev, mode);
		1995	mode = NULL;
		1996	}
		1997
		1998	if (du->pref_mode) {
		1999	list_del_init(&du->pref_mode->head);
		2000	drm_mode_destroy(dev, du->pref_mode);
		2001	}
		2002
		2003	/* mode might be null here, this is intended */
		2004	du->pref_mode = mode;
		2005	}
		2006
		2007	for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
		2008	bmode = &vmw_kms_connector_builtin[i];
		2009	if (bmode->hdisplay > max_width \|\|
		2010	bmode->vdisplay > max_height)
		2011	continue;
		2012
		2013	if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2,
		2014	bmode->vdisplay))
		2015	continue;
		2016
		2017	mode = drm_mode_duplicate(dev, bmode);
		2018	if (!mode)
		2019	return 0;
		2020	mode->vrefresh = drm_mode_vrefresh(mode);
		2021
		2022	drm_mode_probed_add(connector, mode);
		2023	}
		2024
		2025	/* Move the prefered mode first, help apps pick the right mode. */
		2026	if (du->pref_mode)
		2027	list_move(&du->pref_mode->head, &connector->probed_modes);
		2028
		2029	drm_mode_connector_list_update(connector);
		2030
		2031	return 1;
		2032	}
		2033
		2034	int vmw_du_connector_set_property(struct drm_connector *connector,
		2035	struct drm_property *property,
		2036	uint64_t val)
		2037	{
		2038	return 0;
		2039	}
		2040
		2041	#if 0
		2042	int vmw_kms_update_layout_ioctl(struct drm_device dev, void data,
		2043	struct drm_file *file_priv)
		2044	{
		2045	struct vmw_private *dev_priv = vmw_priv(dev);
		2046	struct drm_vmw_update_layout_arg *arg =
		2047	(struct drm_vmw_update_layout_arg *)data;
		2048	struct vmw_master *vmaster = vmw_master(file_priv->master);
		2049	void __user *user_rects;
		2050	struct drm_vmw_rect *rects;
		2051	unsigned rects_size;
		2052	int ret;
		2053	int i;
		2054	struct drm_mode_config *mode_config = &dev->mode_config;
		2055
		2056	ret = ttm_read_lock(&vmaster->lock, true);
		2057	if (unlikely(ret != 0))
		2058	return ret;
		2059
		2060	if (!arg->num_outputs) {
		2061	struct drm_vmw_rect def_rect = {0, 0, 800, 600};
		2062	vmw_du_update_layout(dev_priv, 1, &def_rect);
		2063	goto out_unlock;
		2064	}
		2065
		2066	rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
		2067	rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
		2068	GFP_KERNEL);
		2069	if (unlikely(!rects)) {
		2070	ret = -ENOMEM;
		2071	goto out_unlock;
		2072	}
		2073
		2074	user_rects = (void __user *)(unsigned long)arg->rects;
		2075	ret = copy_from_user(rects, user_rects, rects_size);
		2076	if (unlikely(ret != 0)) {
		2077	DRM_ERROR("Failed to get rects.\n");
		2078	ret = -EFAULT;
		2079	goto out_free;
		2080	}
		2081
		2082	for (i = 0; i < arg->num_outputs; ++i) {
		2083	if (rects[i].x < 0 \|\|
		2084	rects[i].y < 0 \|\|
		2085	rects[i].x + rects[i].w > mode_config->max_width \|\|
		2086	rects[i].y + rects[i].h > mode_config->max_height) {
		2087	DRM_ERROR("Invalid GUI layout.\n");
		2088	ret = -EINVAL;
		2089	goto out_free;
		2090	}
		2091	}
		2092
		2093	vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
		2094
		2095	out_free:
		2096	kfree(rects);
		2097	out_unlock:
		2098	ttm_read_unlock(&vmaster->lock);
		2099	return ret;
		2100	}
		2101	#endif

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(root)/drivers/video/drm/vmwgfx/vmwgfx_kms.c – Rev 4570