/* $Id: vbox_mode.c 58129 2015-10-08 22:29:48Z vboxsync $ */ /** @file * VirtualBox Additions Linux kernel video driver */ /* * Copyright (C) 2013 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * -------------------------------------------------------------------- * * This code is based on * ast_mode.c * with the following copyright and permission notice: * * Copyright 2012 Red Hat Inc. * Parts based on xf86-video-vbox * Copyright (c) 2005 ASPEED Technology Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, 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 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. * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * */ /* * Authors: Dave Airlie */ #include "vbox_drv.h" #include #include #include #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0) # include #endif static int vbox_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv, uint32_t handle, uint32_t width, uint32_t height, int32_t hot_x, int32_t hot_y); static int vbox_cursor_move(struct drm_crtc *crtc, int x, int y); /** Set a graphics mode. Poke any required values into registers, do an HGSMI * mode set and tell the host we support advanced graphics functions. */ static void vbox_do_modeset(struct drm_crtc *crtc, const struct drm_display_mode *mode) { struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); struct vbox_private *vbox; int width, height, cBPP, pitch; unsigned iCrtc; uint16_t fFlags; LogFunc(("vboxvideo: %d: vbox_crtc=%p, CRTC_FB(crtc)=%p\n", __LINE__, vbox_crtc, CRTC_FB(crtc))); vbox = crtc->dev->dev_private; width = mode->hdisplay ? mode->hdisplay : 640; height = mode->vdisplay ? mode->vdisplay : 480; iCrtc = vbox_crtc->crtc_id; cBPP = crtc->enabled ? CRTC_FB(crtc)->bits_per_pixel : 32; #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0) pitch = crtc->enabled ? CRTC_FB(crtc)->pitch : width * cBPP / 8; #else pitch = crtc->enabled ? CRTC_FB(crtc)->pitches[0] : width * cBPP / 8; #endif /* if (vbox_crtc->crtc_id == 0 && crtc->enabled) VBoxVideoSetModeRegisters(width, height, pitch * 8 / cBPP, CRTC_FB(crtc)->bits_per_pixel, 0, crtc->x, crtc->y); */ fFlags = VBVA_SCREEN_F_ACTIVE; fFlags |= (crtc->enabled ? 0 : VBVA_SCREEN_F_DISABLED); VBoxHGSMIProcessDisplayInfo(&vbox->Ctx, vbox_crtc->crtc_id, crtc->x, crtc->y, crtc->x * cBPP / 8 + crtc->y * pitch, pitch, width, height, vbox_crtc->fBlanked ? 0 : cBPP, fFlags); LogFunc(("vboxvideo: %d\n", __LINE__)); } static int vbox_set_view(struct drm_crtc *crtc) { struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); struct vbox_private *vbox = crtc->dev->dev_private; void *p; LogFunc(("vboxvideo: %d: vbox_crtc=%p\n", __LINE__, vbox_crtc)); /* Tell the host about the view. This design originally targeted the * Windows XP driver architecture and assumed that each screen would have * a dedicated frame buffer with the command buffer following it, the whole * being a "view". The host works out which screen a command buffer belongs * to by checking whether it is in the first view, then whether it is in the * second and so on. The first match wins. We cheat around this by making * the first view be the managed memory plus the first command buffer, the * second the same plus the second buffer and so on. */ p = VBoxHGSMIBufferAlloc(&vbox->Ctx, sizeof(VBVAINFOVIEW), HGSMI_CH_VBVA, VBVA_INFO_VIEW); if (p) { VBVAINFOVIEW *pInfo = (VBVAINFOVIEW *)p; pInfo->u32ViewIndex = vbox_crtc->crtc_id; pInfo->u32ViewOffset = vbox_crtc->offFB; pInfo->u32ViewSize = vbox->vram_size - vbox_crtc->offFB + vbox_crtc->crtc_id * VBVA_MIN_BUFFER_SIZE; pInfo->u32MaxScreenSize = vbox->vram_size - vbox_crtc->offFB; VBoxHGSMIBufferSubmit(&vbox->Ctx, p); VBoxHGSMIBufferFree(&vbox->Ctx, p); } else return -ENOMEM; LogFunc(("vboxvideo: %d: p=%p\n", __LINE__, p)); return 0; } static void vbox_crtc_load_lut(struct drm_crtc *crtc) { } static void vbox_crtc_dpms(struct drm_crtc *crtc, int mode) { struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); struct vbox_private *vbox = crtc->dev->dev_private; unsigned long flags; LogFunc(("vboxvideo: %d: vbox_crtc=%p, mode=%d\n", __LINE__, vbox_crtc, mode)); switch (mode) { case DRM_MODE_DPMS_ON: vbox_crtc->fBlanked = false; break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: vbox_crtc->fBlanked = true; break; } spin_lock_irqsave(&vbox->dev_lock, flags); vbox_do_modeset(crtc, &crtc->hwmode); spin_unlock_irqrestore(&vbox->dev_lock, flags); LogFunc(("vboxvideo: %d\n", __LINE__)); } static bool vbox_crtc_mode_fixup(struct drm_crtc *crtc, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { return true; } static int vbox_crtc_do_set_base(struct drm_crtc *crtc, struct drm_framebuffer *fb, int x, int y, int atomic) { struct vbox_private *vbox = crtc->dev->dev_private; struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); struct drm_gem_object *obj; struct vbox_framebuffer *vbox_fb; struct vbox_bo *bo; int ret; u64 gpu_addr; LogFunc(("vboxvideo: %d: fb=%p, vbox_crtc=%p\n", __LINE__, fb, vbox_crtc)); vbox_fb = to_vbox_framebuffer(CRTC_FB(crtc)); obj = vbox_fb->obj; bo = gem_to_vbox_bo(obj); ret = vbox_bo_reserve(bo, false); if (ret) return ret; ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr); if (ret) { vbox_bo_unreserve(bo); return ret; } if (&vbox->fbdev->afb == vbox_fb) { /* if pushing console in kmap it */ ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); if (ret) DRM_ERROR("failed to kmap fbcon\n"); } vbox_bo_unreserve(bo); /* vbox_set_start_address_crt1(crtc, (u32)gpu_addr); */ vbox_crtc->offFB = gpu_addr; LogFunc(("vboxvideo: %d: vbox_fb=%p, obj=%p, bo=%p, gpu_addr=%u\n", __LINE__, vbox_fb, obj, bo, (unsigned)gpu_addr)); return 0; } static int vbox_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) { LogFunc(("vboxvideo: %d\n", __LINE__)); return vbox_crtc_do_set_base(crtc, old_fb, x, y, 0); } static int vbox_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode, int x, int y, struct drm_framebuffer *old_fb) { struct vbox_private *vbox = crtc->dev->dev_private; unsigned long flags; int rc = 0; LogFunc(("vboxvideo: %d: vbox=%p\n", __LINE__, vbox)); vbox_crtc_mode_set_base(crtc, x, y, old_fb); spin_lock_irqsave(&vbox->dev_lock, flags); rc = vbox_set_view(crtc); if (!rc) vbox_do_modeset(crtc, mode); spin_unlock_irqrestore(&vbox->dev_lock, flags); LogFunc(("vboxvideo: %d\n", __LINE__)); return rc; } static void vbox_crtc_disable(struct drm_crtc *crtc) { } static void vbox_crtc_prepare(struct drm_crtc *crtc) { } static void vbox_crtc_commit(struct drm_crtc *crtc) { } static const struct drm_crtc_helper_funcs vbox_crtc_helper_funcs = { .dpms = vbox_crtc_dpms, .mode_fixup = vbox_crtc_mode_fixup, .mode_set = vbox_crtc_mode_set, /* .mode_set_base = vbox_crtc_mode_set_base, */ .disable = vbox_crtc_disable, .load_lut = vbox_crtc_load_lut, .prepare = vbox_crtc_prepare, .commit = vbox_crtc_commit, }; static void vbox_crtc_reset(struct drm_crtc *crtc) { } static void vbox_crtc_destroy(struct drm_crtc *crtc) { drm_crtc_cleanup(crtc); kfree(crtc); } static const struct drm_crtc_funcs vbox_crtc_funcs = { .cursor_move = vbox_cursor_move, #ifdef DRM_IOCTL_MODE_CURSOR2 .cursor_set2 = vbox_cursor_set2, #endif .reset = vbox_crtc_reset, .set_config = drm_crtc_helper_set_config, /* .gamma_set = vbox_crtc_gamma_set, */ .destroy = vbox_crtc_destroy, }; int vbox_crtc_init(struct drm_device *pDev, unsigned i) { struct vbox_crtc *pCrtc; LogFunc(("vboxvideo: %d\n", __LINE__)); pCrtc = kzalloc(sizeof(struct vbox_crtc), GFP_KERNEL); if (!pCrtc) return -ENOMEM; pCrtc->crtc_id = i; drm_crtc_init(pDev, &pCrtc->base, &vbox_crtc_funcs); drm_mode_crtc_set_gamma_size(&pCrtc->base, 256); drm_crtc_helper_add(&pCrtc->base, &vbox_crtc_helper_funcs); LogFunc(("vboxvideo: %d: pCrtc=%p\n", __LINE__, pCrtc)); return 0; } static void vbox_encoder_destroy(struct drm_encoder *encoder) { LogFunc(("vboxvideo: %d: encoder=%p\n", __LINE__, encoder)); drm_encoder_cleanup(encoder); kfree(encoder); } static struct drm_encoder *vbox_best_single_encoder(struct drm_connector *connector) { int enc_id = connector->encoder_ids[0]; struct drm_mode_object *obj; struct drm_encoder *encoder; LogFunc(("vboxvideo: %d: connector=%p\n", __LINE__, connector)); /* pick the encoder ids */ if (enc_id) { obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER); if (!obj) return NULL; encoder = obj_to_encoder(obj); LogFunc(("vboxvideo: %d: encoder=%p\n", __LINE__, encoder)); return encoder; } LogFunc(("vboxvideo: %d\n", __LINE__)); return NULL; } static const struct drm_encoder_funcs vbox_enc_funcs = { .destroy = vbox_encoder_destroy, }; static void vbox_encoder_dpms(struct drm_encoder *encoder, int mode) { } static bool vbox_mode_fixup(struct drm_encoder *encoder, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { return true; } static void vbox_encoder_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { } static void vbox_encoder_prepare(struct drm_encoder *encoder) { } static void vbox_encoder_commit(struct drm_encoder *encoder) { } static const struct drm_encoder_helper_funcs vbox_enc_helper_funcs = { .dpms = vbox_encoder_dpms, .mode_fixup = vbox_mode_fixup, .prepare = vbox_encoder_prepare, .commit = vbox_encoder_commit, .mode_set = vbox_encoder_mode_set, }; struct drm_encoder *vbox_encoder_init(struct drm_device *dev, unsigned i) { struct vbox_encoder *vbox_encoder; LogFunc(("vboxvideo: %d: dev=%d\n", __LINE__)); vbox_encoder = kzalloc(sizeof(struct vbox_encoder), GFP_KERNEL); if (!vbox_encoder) return NULL; drm_encoder_init(dev, &vbox_encoder->base, &vbox_enc_funcs, DRM_MODE_ENCODER_DAC); drm_encoder_helper_add(&vbox_encoder->base, &vbox_enc_helper_funcs); vbox_encoder->base.possible_crtcs = 1 << i; LogFunc(("vboxvideo: %d: vbox_encoder=%p\n", __LINE__, vbox_encoder)); return &vbox_encoder->base; } static int vbox_get_modes(struct drm_connector *pConnector) { struct vbox_connector *pVBoxConnector = NULL; struct drm_display_mode *pMode = NULL; unsigned cModes = 0; LogFunc(("vboxvideo: %d: pConnector=%p\n", __LINE__, pConnector)); pVBoxConnector = to_vbox_connector(pConnector); cModes = drm_add_modes_noedid(pConnector, 1024, 768); if (pVBoxConnector->modeHint.cX && pVBoxConnector->modeHint.cY) { pMode = drm_cvt_mode(pConnector->dev, pVBoxConnector->modeHint.cX, pVBoxConnector->modeHint.cY, 60, false, false, false); if (pMode) { pMode->type |= DRM_MODE_TYPE_PREFERRED; drm_mode_probed_add(pConnector, pMode); ++cModes; } } return cModes; } static int vbox_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { return MODE_OK; } static void vbox_connector_destroy(struct drm_connector *pConnector) { struct vbox_connector *pVBoxConnector = NULL; LogFunc(("vboxvideo: %d: connector=%p\n", __LINE__, pConnector)); pVBoxConnector = to_vbox_connector(pConnector); device_remove_file(pConnector->dev->dev, &pVBoxConnector->deviceAttribute); #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 17, 0) drm_sysfs_connector_remove(pConnector); #else drm_connector_unregister(pConnector); #endif drm_connector_cleanup(pConnector); kfree(pConnector); } static enum drm_connector_status vbox_connector_detect(struct drm_connector *connector, bool force) { return connector_status_connected; } static const struct drm_connector_helper_funcs vbox_connector_helper_funcs = { .mode_valid = vbox_mode_valid, .get_modes = vbox_get_modes, .best_encoder = vbox_best_single_encoder, }; static const struct drm_connector_funcs vbox_connector_funcs = { .dpms = drm_helper_connector_dpms, .detect = vbox_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = vbox_connector_destroy, }; ssize_t vbox_connector_write_sysfs(struct device *pDev, struct device_attribute *pAttr, const char *psz, size_t cch) { struct vbox_connector *pVBoxConnector; struct drm_device *pDrmDev; struct vbox_private *pVBox; int cX, cY; char ch; LogFunc(("vboxvideo: %d: pDev=%p, pAttr=%p, psz=%s, cch=%llu\n", __LINE__, pDev, pAttr, psz, (unsigned long long)cch)); pVBoxConnector = container_of(pAttr, struct vbox_connector, deviceAttribute); pDrmDev = pVBoxConnector->base.dev; pVBox = pDrmDev->dev_private; if (sscanf(psz, "%5dx%5d\n%c", &cX, &cY, &ch) != 2) return -EINVAL; if ( cX < 64 || cX > VBE_DISPI_MAX_XRES || cY < 64 || cY > VBE_DISPI_MAX_YRES) return -EINVAL; pVBoxConnector->modeHint.cX = (uint16_t)cX; pVBoxConnector->modeHint.cY = (uint16_t)cY; drm_helper_hpd_irq_event(pVBoxConnector->base.dev); if (pVBox->fbdev) drm_fb_helper_hotplug_event(&pVBox->fbdev->helper); LogFunc(("vboxvideo: %d\n", __LINE__)); return cch; } int vbox_connector_init(struct drm_device *pDev, unsigned cScreen, struct drm_encoder *pEncoder) { struct vbox_connector *pVBoxConnector; struct drm_connector *pConnector; int rc; LogFunc(("vboxvideo: %d: pDev=%p, pEncoder=%p\n", __LINE__, pDev, pEncoder)); pVBoxConnector = kzalloc(sizeof(struct vbox_connector), GFP_KERNEL); if (!pVBoxConnector) return -ENOMEM; pConnector = &pVBoxConnector->base; /* * Set up the sysfs file we use for getting video mode hints from user * space. */ snprintf(pVBoxConnector->szName, sizeof(pVBoxConnector->szName), "vbox_screen_%u", cScreen); pVBoxConnector->deviceAttribute.attr.name = pVBoxConnector->szName; pVBoxConnector->deviceAttribute.attr.mode = S_IWUSR; pVBoxConnector->deviceAttribute.show = NULL; pVBoxConnector->deviceAttribute.store = vbox_connector_write_sysfs; rc = device_create_file(pDev->dev, &pVBoxConnector->deviceAttribute); if (rc < 0) { kfree(pVBoxConnector); return rc; } drm_connector_init(pDev, pConnector, &vbox_connector_funcs, DRM_MODE_CONNECTOR_VGA); drm_connector_helper_add(pConnector, &vbox_connector_helper_funcs); pConnector->interlace_allowed = 0; pConnector->doublescan_allowed = 0; #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 17, 0) drm_sysfs_connector_add(pConnector); #else drm_connector_register(pConnector); #endif /* The connector supports hot-plug detection: we promise to call * "drm_helper_hpd_irq_event" when hot-plugging occurs. */ pConnector->polled = DRM_CONNECTOR_POLL_HPD; drm_mode_connector_attach_encoder(pConnector, pEncoder); LogFunc(("vboxvideo: %d: pConnector=%p\n", __LINE__, pConnector)); return 0; } #if 0 /* allocate cursor cache and pin at start of VRAM */ int vbox_cursor_init(struct drm_device *dev) { struct vbox_private *vbox = dev->dev_private; int size; int ret; struct drm_gem_object *obj; struct vbox_bo *bo; uint64_t gpu_addr; size = (AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE) * AST_DEFAULT_HWC_NUM; ret = vbox_gem_create(dev, size, true, &obj); if (ret) return ret; bo = gem_to_vbox_bo(obj); ret = vbox_bo_reserve(bo, false); if (unlikely(ret != 0)) goto fail; ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM, &gpu_addr); vbox_bo_unreserve(bo); if (ret) goto fail; /* kmap the object */ ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &vbox->cache_kmap); if (ret) goto fail; vbox->cursor_cache = obj; vbox->cursor_cache_gpu_addr = gpu_addr; DRM_DEBUG_KMS("pinned cursor cache at %llx\n", vbox->cursor_cache_gpu_addr); return 0; fail: return ret; } void vbox_cursor_fini(struct drm_device *dev) { struct vbox_private *vbox = dev->dev_private; ttm_bo_kunmap(&vbox->cache_kmap); drm_gem_object_unreference_unlocked(vbox->cursor_cache); } #endif int vbox_mode_init(struct drm_device *pDev) { struct vbox_private *pVBox = pDev->dev_private; struct drm_encoder *pEncoder; unsigned i; /* vbox_cursor_init(dev); */ LogFunc(("vboxvideo: %d: pDev=%p\n", __LINE__, pDev)); for (i = 0; i < pVBox->cCrtcs; ++i) { vbox_crtc_init(pDev, i); pEncoder = vbox_encoder_init(pDev, i); if (pEncoder) vbox_connector_init(pDev, i, pEncoder); } return 0; } void vbox_mode_fini(struct drm_device *dev) { /* vbox_cursor_fini(dev); */ } void VBoxRefreshModes(struct drm_device *pDev) { struct vbox_private *vbox = pDev->dev_private; struct drm_crtc *crtci; unsigned long flags; LogFunc(("vboxvideo: %d\n", __LINE__)); spin_lock_irqsave(&vbox->dev_lock, flags); list_for_each_entry(crtci, &pDev->mode_config.crtc_list, head) vbox_do_modeset(crtci, &crtci->hwmode); spin_unlock_irqrestore(&vbox->dev_lock, flags); LogFunc(("vboxvideo: %d\n", __LINE__)); } /** Copy the ARGB image and generate the mask, which is needed in case the host * does not support ARGB cursors. The mask is a 1BPP bitmap with the bit set * if the corresponding alpha value in the ARGB image is greater than 0xF0. */ static void copy_cursor_image(u8 *src, u8 *dst, int width, int height, size_t cbMask) { unsigned i, j; size_t cbLine = (width + 7) / 8; memcpy(dst + cbMask, src, width * height * 4); for (i = 0; i < height; ++i) for (j = 0; j < width; ++j) if (((uint32_t *)src)[i * width + j] > 0xf0000000) dst[i * cbLine + j / 8] |= (0x80 >> (j % 8)); } static int vbox_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv, uint32_t handle, uint32_t width, uint32_t height, int32_t hot_x, int32_t hot_y) { struct vbox_private *vbox = crtc->dev->dev_private; struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); struct drm_gem_object *obj; struct vbox_bo *bo; int ret, rc; struct ttm_bo_kmap_obj uobj_map; u8 *src; u8 *dst = NULL; size_t cbData, cbMask; bool src_isiomem; if (!handle) { /* Hide cursor. */ VBoxHGSMIUpdatePointerShape(&vbox->Ctx, 0, 0, 0, 0, 0, NULL, 0); return 0; } if ( width > VBOX_MAX_CURSOR_WIDTH || height > VBOX_MAX_CURSOR_HEIGHT || width == 0 || hot_x > width || height == 0 || hot_y > height) return -EINVAL; obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); if (obj) { bo = gem_to_vbox_bo(obj); ret = vbox_bo_reserve(bo, false); if (!ret) { /* The mask must be calculated based on the alpha channel, one bit * per ARGB word, and must be 32-bit padded. */ cbMask = ((width + 7) / 8 * height + 3) & ~3; cbData = width * height * 4 + cbMask; dst = kmalloc(cbData, GFP_KERNEL); if (dst) { ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &uobj_map); if (!ret) { src = ttm_kmap_obj_virtual(&uobj_map, &src_isiomem); if (!src_isiomem) { uint32_t fFlags = VBOX_MOUSE_POINTER_VISIBLE | VBOX_MOUSE_POINTER_SHAPE | VBOX_MOUSE_POINTER_ALPHA; copy_cursor_image(src, dst, width, height, cbMask); rc = VBoxHGSMIUpdatePointerShape(&vbox->Ctx, fFlags, hot_x, hot_y, width, height, dst, cbData); ret = RTErrConvertToErrno(rc); } else DRM_ERROR("src cursor bo should be in main memory\n"); ttm_bo_kunmap(&uobj_map); } kfree(dst); } vbox_bo_unreserve(bo); } drm_gem_object_unreference_unlocked(obj); } else { DRM_ERROR("Cannot find cursor object %x for crtc\n", handle); ret = -ENOENT; } return ret; } static int vbox_cursor_move(struct drm_crtc *crtc, int x, int y) { return 0; }