WebSVN – Kolibri OS – Diff – /drivers/video/drm/vmwgfx/vmwgfx_scrn.c

 /**************************************************************************
+ *
  * Copyright © 2011 VMware, Inc., Palo Alto, CA., USA
  * All Rights Reserved.
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
  * without limitation the rights to use, copy, modify, merge, publish,
  * distribute, sub license, and/or sell copies of the Software, and to
  * permit persons to whom the Software is furnished to do so, subject to
  * the following conditions:
+ *
  * The above copyright notice and this permission notice (including the
  * next paragraph) shall be included in all copies or substantial portions
  * of the Software.
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
  **************************************************************************/
 #include "vmwgfx_kms.h"
 #define vmw_crtc_to_sou(x) \
 	container_of(x, struct vmw_screen_object_unit, base.crtc)
 #define vmw_encoder_to_sou(x) \
 	container_of(x, struct vmw_screen_object_unit, base.encoder)
 #define vmw_connector_to_sou(x) \
 	container_of(x, struct vmw_screen_object_unit, base.connector)
 struct vmw_screen_object_display {
 	unsigned num_implicit;
 	struct vmw_framebuffer *implicit_fb;
 };
 /**
  * Display unit using screen objects.
  */
 struct vmw_screen_object_unit {
 	struct vmw_display_unit base;
 	unsigned long buffer_size; /**< Size of allocated buffer */
 	struct vmw_dma_buffer *buffer; /**< Backing store buffer */
 	bool defined;
 	bool active_implicit;
 };
 static void vmw_sou_destroy(struct vmw_screen_object_unit *sou)
+{
 //   vmw_display_unit_cleanup(&sou->base);
 	kfree(sou);
+}
 /*
  * Screen Object Display Unit CRTC functions
  */
 static void vmw_sou_crtc_destroy(struct drm_crtc *crtc)
+{
 	vmw_sou_destroy(vmw_crtc_to_sou(crtc));
+}
 static void vmw_sou_del_active(struct vmw_private *vmw_priv,
 			      struct vmw_screen_object_unit *sou)
+{
 	struct vmw_screen_object_display *ld = vmw_priv->sou_priv;
 	if (sou->active_implicit) {
 		if (--(ld->num_implicit) == 0)
 			ld->implicit_fb = NULL;
 		sou->active_implicit = false;
+	}
+}
 static void vmw_sou_add_active(struct vmw_private *vmw_priv,
 			      struct vmw_screen_object_unit *sou,
 			      struct vmw_framebuffer *vfb)
+{
 	struct vmw_screen_object_display *ld = vmw_priv->sou_priv;
 	BUG_ON(!ld->num_implicit && ld->implicit_fb);
 	if (!sou->active_implicit && sou->base.is_implicit) {
 		ld->implicit_fb = vfb;
 		sou->active_implicit = true;
 		ld->num_implicit++;
+	}
+}
 /**
  * Send the fifo command to create a screen.
  */
-static int vmw_sou_fifo_create(struct vmw_private *dev_priv,
+int vmw_sou_fifo_create(struct vmw_private *dev_priv,
 			       struct vmw_screen_object_unit *sou,
 			       uint32_t x, uint32_t y,
 			       struct drm_display_mode *mode)
+{
 	size_t fifo_size;
 	struct {
 		struct {
 			uint32_t cmdType;
 		} header;
 		SVGAScreenObject obj;
 	} *cmd;
+//   BUG_ON(!sou->buffer);
-	BUG_ON(!sou->buffer);
+    ENTER();
 	fifo_size = sizeof(*cmd);
 	cmd = vmw_fifo_reserve(dev_priv, fifo_size);
 	/* The hardware has hung, nothing we can do about it here. */
 	if (unlikely(cmd == NULL)) {
 		DRM_ERROR("Fifo reserve failed.\n");
 		return -ENOMEM;
+	}
 	memset(cmd, 0, fifo_size);
 	cmd->header.cmdType = SVGA_CMD_DEFINE_SCREEN;
 	cmd->obj.structSize = sizeof(SVGAScreenObject);
 	cmd->obj.id = sou->base.unit;
 	cmd->obj.flags = SVGA_SCREEN_HAS_ROOT |
 		(sou->base.unit == 0 ? SVGA_SCREEN_IS_PRIMARY : 0);
 	cmd->obj.size.width = mode->hdisplay;
 	cmd->obj.size.height = mode->vdisplay;
 	if (sou->base.is_implicit) {
 		cmd->obj.root.x = x;
 		cmd->obj.root.y = y;
 	} else {
 		cmd->obj.root.x = sou->base.gui_x;
 		cmd->obj.root.y = sou->base.gui_y;
+	}
 	/* Ok to assume that buffer is pinned in vram */
-	vmw_bo_get_guest_ptr(&sou->buffer->base, &cmd->obj.backingStore.ptr);
+//   vmw_bo_get_guest_ptr(&sou->buffer->base, &cmd->obj.backingStore.ptr);
+    cmd->obj.backingStore.ptr.gmrId = SVGA_GMR_FRAMEBUFFER;
+    cmd->obj.backingStore.ptr.offset = 0;
 	cmd->obj.backingStore.pitch = mode->hdisplay * 4;
 	vmw_fifo_commit(dev_priv, fifo_size);
 	sou->defined = true;
+    LEAVE();
 	return 0;
+}
 /**
  * Send the fifo command to destroy a screen.
  */
 static int vmw_sou_fifo_destroy(struct vmw_private *dev_priv,
 				struct vmw_screen_object_unit *sou)
+{
 	size_t fifo_size;
 	int ret;
 	struct {
 		struct {
 			uint32_t cmdType;
 		} header;
 		SVGAFifoCmdDestroyScreen body;
 	} *cmd;
 	/* no need to do anything */
 	if (unlikely(!sou->defined))
 		return 0;
 	fifo_size = sizeof(*cmd);
 	cmd = vmw_fifo_reserve(dev_priv, fifo_size);
 	/* the hardware has hung, nothing we can do about it here */
 	if (unlikely(cmd == NULL)) {
 		DRM_ERROR("Fifo reserve failed.\n");
 		return -ENOMEM;
+	}
 	memset(cmd, 0, fifo_size);
 	cmd->header.cmdType = SVGA_CMD_DESTROY_SCREEN;
 	cmd->body.screenId = sou->base.unit;
 	vmw_fifo_commit(dev_priv, fifo_size);
 	/* Force sync */
 	ret = vmw_fallback_wait(dev_priv, false, true, 0, false, 3*HZ);
 	if (unlikely(ret != 0))
 		DRM_ERROR("Failed to sync with HW");
 	else
 		sou->defined = false;
 	return ret;
+}
 /**
  * Free the backing store.
  */
 static void vmw_sou_backing_free(struct vmw_private *dev_priv,
 				 struct vmw_screen_object_unit *sou)
+{
 	struct ttm_buffer_object *bo;
 	if (unlikely(sou->buffer == NULL))
 		return;
 	bo = &sou->buffer->base;
 	ttm_bo_unref(&bo);
 	sou->buffer = NULL;
 	sou->buffer_size = 0;
+}
 /**
  * Allocate the backing store for the buffer.
  */
 static int vmw_sou_backing_alloc(struct vmw_private *dev_priv,
 				 struct vmw_screen_object_unit *sou,
 				 unsigned long size)
+{
 	int ret;
 	if (sou->buffer_size == size)
 		return 0;
 	if (sou->buffer)
 		vmw_sou_backing_free(dev_priv, sou);
 	sou->buffer = kzalloc(sizeof(*sou->buffer), GFP_KERNEL);
 	if (unlikely(sou->buffer == NULL))
 		return -ENOMEM;
 	/* After we have alloced the backing store might not be able to
 	 * resume the overlays, this is preferred to failing to alloc.
 	 */
 //    vmw_overlay_pause_all(dev_priv);
 	ret = vmw_dmabuf_init(dev_priv, sou->buffer, size,
 			      &vmw_vram_ne_placement,
 			      false, &vmw_dmabuf_bo_free);
 //   vmw_overlay_resume_all(dev_priv);
 	if (unlikely(ret != 0))
 		sou->buffer = NULL; /* vmw_dmabuf_init frees on error */
 	else
 		sou->buffer_size = size;
 	return ret;
+}
 static int vmw_sou_crtc_set_config(struct drm_mode_set *set)
+{
 	struct vmw_private *dev_priv;
 	struct vmw_screen_object_unit *sou;
 	struct drm_connector *connector;
 	struct drm_display_mode *mode;
 	struct drm_encoder *encoder;
 	struct vmw_framebuffer *vfb;
 	struct drm_framebuffer *fb;
 	struct drm_crtc *crtc;
 	int ret = 0;
 	if (!set)
 		return -EINVAL;
 	if (!set->crtc)
 		return -EINVAL;
 	/* get the sou */
 	crtc = set->crtc;
 	sou = vmw_crtc_to_sou(crtc);
 	vfb = set->fb ? vmw_framebuffer_to_vfb(set->fb) : NULL;
 	dev_priv = vmw_priv(crtc->dev);
 	if (set->num_connectors > 1) {
 		DRM_ERROR("to many connectors\n");
 		return -EINVAL;
+	}
 	if (set->num_connectors == 1 &&
 	    set->connectors[0] != &sou->base.connector) {
 		DRM_ERROR("connector doesn't match %p %p\n",
 			set->connectors[0], &sou->base.connector);
 		return -EINVAL;
+	}
 	/* sou only supports one fb active at the time */
 	if (sou->base.is_implicit &&
 	    dev_priv->sou_priv->implicit_fb && vfb &&
 	    !(dev_priv->sou_priv->num_implicit == 1 &&
 	      sou->active_implicit) &&
 	    dev_priv->sou_priv->implicit_fb != vfb) {
 		DRM_ERROR("Multiple framebuffers not supported\n");
 		return -EINVAL;
+	}
 	/* since they always map one to one these are safe */
 	connector = &sou->base.connector;
 	encoder = &sou->base.encoder;
 	/* should we turn the crtc off */
 	if (set->num_connectors == 0 || !set->mode || !set->fb) {
 		ret = vmw_sou_fifo_destroy(dev_priv, sou);
 		/* the hardware has hung don't do anything more */
 		if (unlikely(ret != 0))
 			return ret;
 		connector->encoder = NULL;
 		encoder->crtc = NULL;
 		crtc->fb = NULL;
 		crtc->x = 0;
 		crtc->y = 0;
 		vmw_sou_del_active(dev_priv, sou);
 		vmw_sou_backing_free(dev_priv, sou);
 		return 0;
+	}
 	/* we now know we want to set a mode */
 	mode = set->mode;
 	fb = set->fb;
 	if (set->x + mode->hdisplay > fb->width ||
 	    set->y + mode->vdisplay > fb->height) {
 		DRM_ERROR("set outside of framebuffer\n");
 		return -EINVAL;
+	}
 //   vmw_fb_off(dev_priv);
 	if (mode->hdisplay != crtc->mode.hdisplay ||
 	    mode->vdisplay != crtc->mode.vdisplay) {
 		/* no need to check if depth is different, because backing
 		 * store depth is forced to 4 by the device.
 		 */
 		ret = vmw_sou_fifo_destroy(dev_priv, sou);
 		/* the hardware has hung don't do anything more */
 		if (unlikely(ret != 0))
 			return ret;
 		vmw_sou_backing_free(dev_priv, sou);
+	}
 	if (!sou->buffer) {
 		/* forced to depth 4 by the device */
 		size_t size = mode->hdisplay * mode->vdisplay * 4;
 		ret = vmw_sou_backing_alloc(dev_priv, sou, size);
 		if (unlikely(ret != 0))
 			return ret;
+	}
 	ret = vmw_sou_fifo_create(dev_priv, sou, set->x, set->y, mode);
 	if (unlikely(ret != 0)) {
 		/*
 		 * We are in a bit of a situation here, the hardware has
 		 * hung and we may or may not have a buffer hanging of
 		 * the screen object, best thing to do is not do anything
 		 * if we where defined, if not just turn the crtc of.
 		 * Not what userspace wants but it needs to htfu.
 		 */
 		if (sou->defined)
 			return ret;
 		connector->encoder = NULL;
 		encoder->crtc = NULL;
 		crtc->fb = NULL;
 		crtc->x = 0;
 		crtc->y = 0;
 		return ret;
+	}
 	vmw_sou_add_active(dev_priv, sou, vfb);
 	connector->encoder = encoder;
 	encoder->crtc = crtc;
 	crtc->mode = *mode;
 	crtc->fb = fb;
 	crtc->x = set->x;
 	crtc->y = set->y;
 	return 0;
+}
 static struct drm_crtc_funcs vmw_screen_object_crtc_funcs = {
 	.save = vmw_du_crtc_save,
 	.restore = vmw_du_crtc_restore,
 //   .cursor_set = vmw_du_crtc_cursor_set,
 //   .cursor_move = vmw_du_crtc_cursor_move,
 	.gamma_set = vmw_du_crtc_gamma_set,
 	.destroy = vmw_sou_crtc_destroy,
 	.set_config = vmw_sou_crtc_set_config,
 //   .page_flip = vmw_du_page_flip,
 };
 /*
  * Screen Object Display Unit encoder functions
  */
 static void vmw_sou_encoder_destroy(struct drm_encoder *encoder)
+{
 	vmw_sou_destroy(vmw_encoder_to_sou(encoder));
+}
 static struct drm_encoder_funcs vmw_screen_object_encoder_funcs = {
 	.destroy = vmw_sou_encoder_destroy,
 };
 /*
  * Screen Object Display Unit connector functions
  */
 static void vmw_sou_connector_destroy(struct drm_connector *connector)
+{
 	vmw_sou_destroy(vmw_connector_to_sou(connector));
+}
 static struct drm_connector_funcs vmw_legacy_connector_funcs = {
 	.dpms = vmw_du_connector_dpms,
 	.save = vmw_du_connector_save,
 	.restore = vmw_du_connector_restore,
 	.detect = vmw_du_connector_detect,
 	.fill_modes = vmw_du_connector_fill_modes,
 	.set_property = vmw_du_connector_set_property,
 	.destroy = vmw_sou_connector_destroy,
 };
 static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit)
+{
 	struct vmw_screen_object_unit *sou;
 	struct drm_device *dev = dev_priv->dev;
 	struct drm_connector *connector;
 	struct drm_encoder *encoder;
 	struct drm_crtc *crtc;
+    ENTER();
 	sou = kzalloc(sizeof(*sou), GFP_KERNEL);
 	if (!sou)
 		return -ENOMEM;
 	sou->base.unit = unit;
 	crtc = &sou->base.crtc;
 	encoder = &sou->base.encoder;
 	connector = &sou->base.connector;
 	sou->active_implicit = false;
 	sou->base.pref_active = (unit == 0);
 	sou->base.pref_width = dev_priv->initial_width;
 	sou->base.pref_height = dev_priv->initial_height;
 	sou->base.pref_mode = NULL;
 	sou->base.is_implicit = true;
 	drm_connector_init(dev, connector, &vmw_legacy_connector_funcs,
 			   DRM_MODE_CONNECTOR_VIRTUAL);
 	connector->status = vmw_du_connector_detect(connector, true);
 	drm_encoder_init(dev, encoder, &vmw_screen_object_encoder_funcs,
 			 DRM_MODE_ENCODER_VIRTUAL);
 	drm_mode_connector_attach_encoder(connector, encoder);
 	encoder->possible_crtcs = (1 << unit);
 	encoder->possible_clones = 0;
 	drm_crtc_init(dev, crtc, &vmw_screen_object_crtc_funcs);
 	drm_mode_crtc_set_gamma_size(crtc, 256);
 	drm_object_attach_property(&connector->base,
 				      dev->mode_config.dirty_info_property,
 );
+    LEAVE();
 	return 0;
+}
 int vmw_kms_init_screen_object_display(struct vmw_private *dev_priv)
+{
 	struct drm_device *dev = dev_priv->dev;
 	int i, ret;
     ENTER();
 	if (dev_priv->sou_priv) {
 		DRM_INFO("sou system already on\n");
 		return -EINVAL;
+	}
 	if (!(dev_priv->capabilities & SVGA_CAP_SCREEN_OBJECT_2)) {
 		DRM_INFO("Not using screen objects,"
 			 " missing cap SCREEN_OBJECT_2\n");
 		return -ENOSYS;
+	}
 	ret = -ENOMEM;
 	dev_priv->sou_priv = kmalloc(sizeof(*dev_priv->sou_priv), GFP_KERNEL);
 	if (unlikely(!dev_priv->sou_priv))
 		goto err_no_mem;
 	dev_priv->sou_priv->num_implicit = 0;
 	dev_priv->sou_priv->implicit_fb = NULL;
 //   ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS);
 //   if (unlikely(ret != 0))
 //       goto err_free;
 	ret = drm_mode_create_dirty_info_property(dev);
 	if (unlikely(ret != 0))
 		goto err_vblank_cleanup;
 	for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i)
 		vmw_sou_init(dev_priv, i);
 	DRM_INFO("Screen objects system initialized\n");
     LEAVE();
 	return 0;
 err_vblank_cleanup:
 //   drm_vblank_cleanup(dev);
 err_free:
 	kfree(dev_priv->sou_priv);
 	dev_priv->sou_priv = NULL;
 err_no_mem:
 	return ret;
+}
 int vmw_kms_close_screen_object_display(struct vmw_private *dev_priv)
+{
 	struct drm_device *dev = dev_priv->dev;
 	if (!dev_priv->sou_priv)
 		return -ENOSYS;
 //   drm_vblank_cleanup(dev);
 	kfree(dev_priv->sou_priv);
 	return 0;
+}
 /**
  * Returns if this unit can be page flipped.
  * Must be called with the mode_config mutex held.
  */
 bool vmw_kms_screen_object_flippable(struct vmw_private *dev_priv,
 				     struct drm_crtc *crtc)
+{
 	struct vmw_screen_object_unit *sou = vmw_crtc_to_sou(crtc);
 	if (!sou->base.is_implicit)
 		return true;
 	if (dev_priv->sou_priv->num_implicit != 1)
 		return false;
 	return true;
+}
 /**
  * Update the implicit fb to the current fb of this crtc.
  * Must be called with the mode_config mutex held.
  */
 void vmw_kms_screen_object_update_implicit_fb(struct vmw_private *dev_priv,
 					      struct drm_crtc *crtc)
+{
 	struct vmw_screen_object_unit *sou = vmw_crtc_to_sou(crtc);
 	BUG_ON(!sou->base.is_implicit);
 	dev_priv->sou_priv->implicit_fb =
 		vmw_framebuffer_to_vfb(sou->base.crtc.fb);
+}
+#include "bitmap.h"
+typedef struct
+{
+    kobj_t     header;
+    uint32_t  *data;
+    uint32_t   hot_x;
+    uint32_t   hot_y;
+    struct list_head   list;
+//    struct drm_i915_gem_object  *cobj;
+}cursor_t;
+struct tag_display
+{
+    int  x;
+    int  y;
+    int  width;
+    int  height;
+    int  bpp;
+    int  vrefresh;
+    int  pitch;
+    int  lfb;
+    int  supported_modes;
+    struct drm_device    *ddev;
+    struct drm_connector *connector;
+    struct drm_crtc      *crtc;
+    struct list_head   cursors;
+    cursor_t   *cursor;
+    int       (*init_cursor)(cursor_t*);
+    cursor_t* (__stdcall *select_cursor)(cursor_t*);
+    void      (*show_cursor)(int show);
+    void      (__stdcall *move_cursor)(cursor_t *cursor, int x, int y);
+    void      (__stdcall *restore_cursor)(int x, int y);
+    void      (*disable_mouse)(void);
+    u32  mask_seqno;
+    u32  check_mouse;
+    u32  check_m_pixel;
+    u32  dirty;
+    void (*update)(void);
+};
+extern struct drm_device *main_device;
+bool set_mode(struct drm_device *dev, struct drm_connector *connector,
+              videomode_t *reqmode, bool strict)
+{
+    struct drm_display_mode  *mode = NULL, *tmpmode;
+    struct vmw_private *dev_priv = vmw_priv(main_device);
+    struct vmw_screen_object_unit *sou;
+    display_t *os_display;
+    bool ret = false;
+    ENTER();
+//    dbgprintf("width %d height %d vrefresh %d\n",
+//               reqmode->width, reqmode->height, reqmode->freq);
+    list_for_each_entry(tmpmode, &connector->modes, head)
+    {
+        if( (drm_mode_width(tmpmode)    == reqmode->width)  &&
+            (drm_mode_height(tmpmode)   == reqmode->height) &&
+            (drm_mode_vrefresh(tmpmode) == reqmode->freq) )
+        {
+            mode = tmpmode;
+            goto do_set;
+        }
+    };
+    if( (mode == NULL) && (strict == false) )
+    {
+        list_for_each_entry(tmpmode, &connector->modes, head)
+        {
+            if( (drm_mode_width(tmpmode)  == reqmode->width)  &&
+                (drm_mode_height(tmpmode) == reqmode->height) )
+            {
+                mode = tmpmode;
+                goto do_set;
+            }
+        };
+    };
+do_set:
+    if( mode != NULL )
+    {
+        struct drm_framebuffer   *fb;
+        struct drm_encoder       *encoder;
+        struct drm_crtc          *crtc;
+//        char  con_edid[128];
+        const char *con_name;
+        const char *enc_name;
+        encoder = connector->encoder;
+        crtc = encoder->crtc;
+//        fb = list_first_entry(&dev->mode_config.fb_kernel_list,
+//                              struct drm_framebuffer, filp_head);
+//        memcpy(con_edid, connector->edid_blob_ptr->data, 128);
+//        dbgprintf("Manufacturer: %s Model %x Serial Number %u\n",
+//        manufacturer_name(con_edid + 0x08),
+//        (unsigned short)(con_edid[0x0A] + (con_edid[0x0B] << 8)),
+//        (unsigned int)(con_edid[0x0C] + (con_edid[0x0D] << 8)
+//            + (con_edid[0x0E] << 16) + (con_edid[0x0F] << 24)));
+        con_name = drm_get_connector_name(connector);
+        enc_name = drm_get_encoder_name(encoder);
+        dbgprintf("set mode %d %d connector %s encoder %s\n",
+                   mode->hdisplay, mode->vdisplay, con_name, enc_name);
+        os_display = GetDisplay();
+#if 0
+        sou = vmw_crtc_to_sou(crtc);
+        sou->defined = true;
+        ret = vmw_sou_fifo_destroy(dev_priv, sou);
+        if (unlikely(ret != 0))
+            return ret;
+        ret = vmw_sou_fifo_create(dev_priv, sou, 0, 0, mode);
+#else   /*   sledgehammer  */
+        vmw_write(dev_priv,SVGA_REG_WIDTH,  mode->hdisplay);
+        vmw_write(dev_priv,SVGA_REG_HEIGHT, mode->vdisplay);
+        vmw_write(dev_priv,SVGA_REG_BITS_PER_PIXEL, 32);
+        ret = 0;
+#endif
+        if (ret == 0)
+        {
+            os_display->width    = mode->hdisplay;
+            os_display->height   = mode->vdisplay;
+            os_display->pitch    = mode->hdisplay*4;
+            os_display->vrefresh = drm_mode_vrefresh(mode);
+            sysSetScreen(os_display->width, os_display->height, os_display->pitch);
+            dbgprintf("new mode %d x %d pitch %d\n",
+                       os_display->width, os_display->height, os_display->pitch);
+        }
+        else
+            DRM_ERROR("failed to set mode %d_%d on crtc %p\n",
+                       os_display->width, os_display->height, crtc);
+    }
+    LEAVE();
+    return ret;
+};

Subversion Repositories Kolibri OS

(root)/drivers/video/drm/vmwgfx/vmwgfx_scrn.c – Rev 4075 → 4080