diff options
Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_display.c')
| -rw-r--r-- | drivers/gpu/drm/qxl/qxl_display.c | 982 |
1 files changed, 982 insertions, 0 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c new file mode 100644 index 0000000..fcfd443 --- /dev/null +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -0,0 +1,982 @@ +/* + * Copyright 2013 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Dave Airlie + * Alon Levy + */ + + +#include "linux/crc32.h" + +#include "qxl_drv.h" +#include "qxl_object.h" +#include "drm_crtc_helper.h" + +static void qxl_crtc_set_to_mode(struct qxl_device *qdev, + struct drm_connector *connector, + struct qxl_head *head) +{ + struct drm_device *dev = connector->dev; + struct drm_display_mode *mode, *t; + int width = head->width; + int height = head->height; + + if (width < 320 || height < 240) { + qxl_io_log(qdev, "%s: bad head: %dx%d", width, height); + width = 1024; + height = 768; + } + if (width * height * 4 > 16*1024*1024) { + width = 1024; + height = 768; + } + /* TODO: go over regular modes and removed preferred? */ + list_for_each_entry_safe(mode, t, &connector->probed_modes, head) + drm_mode_remove(connector, mode); + mode = drm_cvt_mode(dev, width, height, 60, false, false, false); + mode->type |= DRM_MODE_TYPE_PREFERRED; + mode->status = MODE_OK; + drm_mode_probed_add(connector, mode); + qxl_io_log(qdev, "%s: %d x %d\n", __func__, width, height); +} + +void qxl_crtc_set_from_monitors_config(struct qxl_device *qdev) +{ + struct drm_connector *connector; + int i; + struct drm_device *dev = qdev->ddev; + + i = 0; + qxl_io_log(qdev, "%s: %d, %d\n", __func__, + dev->mode_config.num_connector, + qdev->monitors_config->count); + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + if (i > qdev->monitors_config->count) { + /* crtc will be reported as disabled */ + continue; + } + qxl_crtc_set_to_mode(qdev, connector, + &qdev->monitors_config->heads[i]); + ++i; + } +} + +void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count) +{ + if (qdev->client_monitors_config && + count > qdev->client_monitors_config->count) { + kfree(qdev->client_monitors_config); + qdev->client_monitors_config = NULL; + } + if (!qdev->client_monitors_config) { + qdev->client_monitors_config = kzalloc( + sizeof(struct qxl_monitors_config) + + sizeof(struct qxl_head) * count, GFP_KERNEL); + if (!qdev->client_monitors_config) { + qxl_io_log(qdev, + "%s: allocation failure for %u heads\n", + __func__, count); + return; + } + } + qdev->client_monitors_config->count = count; +} + +static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev) +{ + int i; + int num_monitors; + uint32_t crc; + + BUG_ON(!qdev->monitors_config); + num_monitors = qdev->rom->client_monitors_config.count; + crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config, + sizeof(qdev->rom->client_monitors_config)); + if (crc != qdev->rom->client_monitors_config_crc) { + qxl_io_log(qdev, "crc mismatch: have %X (%d) != %X\n", crc, + sizeof(qdev->rom->client_monitors_config), + qdev->rom->client_monitors_config_crc); + return 1; + } + if (num_monitors > qdev->monitors_config->max_allowed) { + DRM_INFO("client monitors list will be truncated: %d < %d\n", + qdev->monitors_config->max_allowed, num_monitors); + num_monitors = qdev->monitors_config->max_allowed; + } else { + num_monitors = qdev->rom->client_monitors_config.count; + } + qxl_alloc_client_monitors_config(qdev, num_monitors); + /* we copy max from the client but it isn't used */ + qdev->client_monitors_config->max_allowed = + qdev->monitors_config->max_allowed; + for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) { + struct qxl_urect *c_rect = + &qdev->rom->client_monitors_config.heads[i]; + struct qxl_head *client_head = + &qdev->client_monitors_config->heads[i]; + struct qxl_head *head = &qdev->monitors_config->heads[i]; + client_head->x = head->x = c_rect->left; + client_head->y = head->y = c_rect->top; + client_head->width = head->width = + c_rect->right - c_rect->left; + client_head->height = head->height = + c_rect->bottom - c_rect->top; + client_head->surface_id = head->surface_id = 0; + client_head->id = head->id = i; + client_head->flags = head->flags = 0; + QXL_DEBUG(qdev, "read %dx%d+%d+%d\n", head->width, head->height, + head->x, head->y); + } + return 0; +} + +void qxl_display_read_client_monitors_config(struct qxl_device *qdev) +{ + + while (qxl_display_copy_rom_client_monitors_config(qdev)) { + qxl_io_log(qdev, "failed crc check for client_monitors_config," + " retrying\n"); + } + qxl_crtc_set_from_monitors_config(qdev); + /* fire off a uevent and let userspace tell us what to do */ + qxl_io_log(qdev, "calling drm_sysfs_hotplug_event\n"); + drm_sysfs_hotplug_event(qdev->ddev); +} + +static int qxl_add_monitors_config_modes(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct qxl_device *qdev = dev->dev_private; + struct qxl_output *output = drm_connector_to_qxl_output(connector); + int h = output->index; + struct drm_display_mode *mode = NULL; + struct qxl_head *head; + + if (!qdev->monitors_config) + return 0; + head = &qdev->monitors_config->heads[h]; + + mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false, + false); + mode->type |= DRM_MODE_TYPE_PREFERRED; + drm_mode_probed_add(connector, mode); + return 1; +} + +static int qxl_add_common_modes(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_display_mode *mode = NULL; + int i; + struct mode_size { + int w; + int h; + } common_modes[] = { + { 640, 480}, + { 720, 480}, + { 800, 600}, + { 848, 480}, + {1024, 768}, + {1152, 768}, + {1280, 720}, + {1280, 800}, + {1280, 854}, + {1280, 960}, + {1280, 1024}, + {1440, 900}, + {1400, 1050}, + {1680, 1050}, + {1600, 1200}, + {1920, 1080}, + {1920, 1200} + }; + + for (i = 0; i < ARRAY_SIZE(common_modes); i++) { + if (common_modes[i].w < 320 || common_modes[i].h < 200) + continue; + + mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, + 60, false, false, false); + if (common_modes[i].w == 1024 && common_modes[i].h == 768) + mode->type |= DRM_MODE_TYPE_PREFERRED; + drm_mode_probed_add(connector, mode); + } + return i - 1; +} + +static void qxl_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, uint32_t start, uint32_t size) +{ + /* TODO */ +} + +static void qxl_crtc_destroy(struct drm_crtc *crtc) +{ + struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc); + + drm_crtc_cleanup(crtc); + kfree(qxl_crtc); +} + +static void +qxl_hide_cursor(struct qxl_device *qdev) +{ + struct qxl_release *release; + struct qxl_cursor_cmd *cmd; + int ret; + + ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, + &release, NULL); + + cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); + cmd->type = QXL_CURSOR_HIDE; + qxl_release_unmap(qdev, release, &cmd->release_info); + + qxl_fence_releaseable(qdev, release); + qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); + qxl_release_unreserve(qdev, release); +} + +static int qxl_crtc_cursor_set(struct drm_crtc *crtc, + struct drm_file *file_priv, + uint32_t handle, + uint32_t width, + uint32_t height) +{ + struct drm_device *dev = crtc->dev; + struct qxl_device *qdev = dev->dev_private; + struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); + struct drm_gem_object *obj; + struct qxl_cursor *cursor; + struct qxl_cursor_cmd *cmd; + struct qxl_bo *cursor_bo, *user_bo; + struct qxl_release *release; + void *user_ptr; + + int size = 64*64*4; + int ret = 0; + if (!handle) { + qxl_hide_cursor(qdev); + return 0; + } + + obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); + if (!obj) { + DRM_ERROR("cannot find cursor object\n"); + return -ENOENT; + } + + user_bo = gem_to_qxl_bo(obj); + + ret = qxl_bo_reserve(user_bo, false); + if (ret) + goto out_unref; + + ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL); + if (ret) + goto out_unreserve; + + ret = qxl_bo_kmap(user_bo, &user_ptr); + if (ret) + goto out_unpin; + + ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), + QXL_RELEASE_CURSOR_CMD, + &release, NULL); + if (ret) + goto out_kunmap; + ret = qxl_alloc_bo_reserved(qdev, sizeof(struct qxl_cursor) + size, + &cursor_bo); + if (ret) + goto out_free_release; + ret = qxl_bo_kmap(cursor_bo, (void **)&cursor); + if (ret) + goto out_free_bo; + + cursor->header.unique = 0; + cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; + cursor->header.width = 64; + cursor->header.height = 64; + cursor->header.hot_spot_x = 0; + cursor->header.hot_spot_y = 0; + cursor->data_size = size; + cursor->chunk.next_chunk = 0; + cursor->chunk.prev_chunk = 0; + cursor->chunk.data_size = size; + + memcpy(cursor->chunk.data, user_ptr, size); + + qxl_bo_kunmap(cursor_bo); + + /* finish with the userspace bo */ + qxl_bo_kunmap(user_bo); + qxl_bo_unpin(user_bo); + qxl_bo_unreserve(user_bo); + drm_gem_object_unreference_unlocked(obj); + + cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); + cmd->type = QXL_CURSOR_SET; + cmd->u.set.position.x = qcrtc->cur_x; + cmd->u.set.position.y = qcrtc->cur_y; + + cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0); + qxl_release_add_res(qdev, release, cursor_bo); + + cmd->u.set.visible = 1; + qxl_release_unmap(qdev, release, &cmd->release_info); + + qxl_fence_releaseable(qdev, release); + qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); + qxl_release_unreserve(qdev, release); + + qxl_bo_unreserve(cursor_bo); + qxl_bo_unref(&cursor_bo); + + return ret; +out_free_bo: + qxl_bo_unref(&cursor_bo); +out_free_release: + qxl_release_unreserve(qdev, release); + qxl_release_free(qdev, release); +out_kunmap: + qxl_bo_kunmap(user_bo); +out_unpin: + qxl_bo_unpin(user_bo); +out_unreserve: + qxl_bo_unreserve(user_bo); +out_unref: + drm_gem_object_unreference_unlocked(obj); + return ret; +} + +static int qxl_crtc_cursor_move(struct drm_crtc *crtc, + int x, int y) +{ + struct drm_device *dev = crtc->dev; + struct qxl_device *qdev = dev->dev_private; + struct qxl_crtc *qcrtc = to_qxl_crtc(crtc); + struct qxl_release *release; + struct qxl_cursor_cmd *cmd; + int ret; + + ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD, + &release, NULL); + + qcrtc->cur_x = x; + qcrtc->cur_y = y; + + cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); + cmd->type = QXL_CURSOR_MOVE; + cmd->u.position.x = qcrtc->cur_x; + cmd->u.position.y = qcrtc->cur_y; + qxl_release_unmap(qdev, release, &cmd->release_info); + + qxl_fence_releaseable(qdev, release); + qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); + qxl_release_unreserve(qdev, release); + return 0; +} + + +static const struct drm_crtc_funcs qxl_crtc_funcs = { + .cursor_set = qxl_crtc_cursor_set, + .cursor_move = qxl_crtc_cursor_move, + .gamma_set = qxl_crtc_gamma_set, + .set_config = drm_crtc_helper_set_config, + .destroy = qxl_crtc_destroy, +}; + +static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb) +{ + struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); + + if (qxl_fb->obj) + drm_gem_object_unreference_unlocked(qxl_fb->obj); + drm_framebuffer_cleanup(fb); + kfree(qxl_fb); +} + +static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, + struct drm_file *file_priv, + unsigned flags, unsigned color, + struct drm_clip_rect *clips, + unsigned num_clips) +{ + /* TODO: vmwgfx where this was cribbed from had locking. Why? */ + struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb); + struct qxl_device *qdev = qxl_fb->base.dev->dev_private; + struct drm_clip_rect norect; + struct qxl_bo *qobj; + int inc = 1; + + qobj = gem_to_qxl_bo(qxl_fb->obj); + if (qxl_fb != qdev->active_user_framebuffer) { + DRM_INFO("%s: qxl_fb 0x%p != qdev->active_user_framebuffer 0x%p\n", + __func__, qxl_fb, qdev->active_user_framebuffer); + } + if (!num_clips) { + num_clips = 1; + clips = &norect; + norect.x1 = norect.y1 = 0; + norect.x2 = fb->width; + norect.y2 = fb->height; + } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) { + num_clips /= 2; + inc = 2; /* skip source rects */ + } + + qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color, + clips, num_clips, inc); + return 0; +} + +static const struct drm_framebuffer_funcs qxl_fb_funcs = { + .destroy = qxl_user_framebuffer_destroy, + .dirty = qxl_framebuffer_surface_dirty, +/* TODO? + * .create_handle = qxl_user_framebuffer_create_handle, */ +}; + +int +qxl_framebuffer_init(struct drm_device *dev, + struct qxl_framebuffer *qfb, + struct drm_mode_fb_cmd2 *mode_cmd, + struct drm_gem_object *obj) +{ + int ret; + + qfb->obj = obj; + ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs); + if (ret) { + qfb->obj = NULL; + return ret; + } + drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd); + return 0; +} + +static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode) +{ +} + +static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct drm_device *dev = crtc->dev; + struct qxl_device *qdev = dev->dev_private; + + qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n", + __func__, + mode->hdisplay, mode->vdisplay, + adjusted_mode->hdisplay, + adjusted_mode->vdisplay); + return true; +} + +void +qxl_send_monitors_config(struct qxl_device *qdev) +{ + int i; + + BUG_ON(!qdev->ram_header->monitors_config); + + if (qdev->monitors_config->count == 0) { + qxl_io_log(qdev, "%s: 0 monitors??\n", __func__); + return; + } + for (i = 0 ; i < qdev->monitors_config->count ; ++i) { + struct qxl_head *head = &qdev->monitors_config->heads[i]; + + if (head->y > 8192 || head->y < head->x || + head->width > 8192 || head->height > 8192) { + DRM_ERROR("head %d wrong: %dx%d+%d+%d\n", + i, head->width, head->height, + head->x, head->y); + return; + } + } + qxl_io_monitors_config(qdev); +} + +static void qxl_monitors_config_set_single(struct qxl_device *qdev, + unsigned x, unsigned y, + unsigned width, unsigned height) +{ + DRM_DEBUG("%dx%d+%d+%d\n", width, height, x, y); + qdev->monitors_config->count = 1; + qdev->monitors_config->heads[0].x = x; + qdev->monitors_config->heads[0].y = y; + qdev->monitors_config->heads[0].width = width; + qdev->monitors_config->heads[0].height = height; +} + +static int qxl_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 drm_device *dev = crtc->dev; + struct qxl_device *qdev = dev->dev_private; + struct qxl_mode *m = (void *)mode->private; + struct qxl_framebuffer *qfb; + struct qxl_bo *bo, *old_bo = NULL; + uint32_t width, height, base_offset; + bool recreate_primary = false; + int ret; + + if (!crtc->fb) { + DRM_DEBUG_KMS("No FB bound\n"); + return 0; + } + + if (old_fb) { + qfb = to_qxl_framebuffer(old_fb); + old_bo = gem_to_qxl_bo(qfb->obj); + } + qfb = to_qxl_framebuffer(crtc->fb); + bo = gem_to_qxl_bo(qfb->obj); + if (!m) + /* and do we care? */ + DRM_DEBUG("%dx%d: not a native mode\n", x, y); + else + DRM_DEBUG("%dx%d: qxl id %d\n", + mode->hdisplay, mode->vdisplay, m->id); + DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n", + x, y, + mode->hdisplay, mode->vdisplay, + adjusted_mode->hdisplay, + adjusted_mode->vdisplay); + + recreate_primary = true; + + width = mode->hdisplay; + height = mode->vdisplay; + base_offset = 0; + + ret = qxl_bo_reserve(bo, false); + if (ret != 0) + return ret; + ret = qxl_bo_pin(bo, bo->type, NULL); + if (ret != 0) { + qxl_bo_unreserve(bo); + return -EINVAL; + } + qxl_bo_unreserve(bo); + if (recreate_primary) { + qxl_io_destroy_primary(qdev); + qxl_io_log(qdev, + "recreate primary: %dx%d (was %dx%d,%d,%d)\n", + width, height, bo->surf.width, + bo->surf.height, bo->surf.stride, bo->surf.format); + qxl_io_create_primary(qdev, width, height, base_offset, bo); + bo->is_primary = true; + } + + if (old_bo && old_bo != bo) { + old_bo->is_primary = false; + ret = qxl_bo_reserve(old_bo, false); + qxl_bo_unpin(old_bo); + qxl_bo_unreserve(old_bo); + } + + if (qdev->monitors_config->count == 0) { + qxl_monitors_config_set_single(qdev, x, y, + mode->hdisplay, + mode->vdisplay); + } + qdev->mode_set = true; + return 0; +} + +static void qxl_crtc_prepare(struct drm_crtc *crtc) +{ + DRM_DEBUG("current: %dx%d+%d+%d (%d).\n", + crtc->mode.hdisplay, crtc->mode.vdisplay, + crtc->x, crtc->y, crtc->enabled); +} + +static void qxl_crtc_commit(struct drm_crtc *crtc) +{ + DRM_DEBUG("\n"); +} + +static void qxl_crtc_load_lut(struct drm_crtc *crtc) +{ + DRM_DEBUG("\n"); +} + +static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = { + .dpms = qxl_crtc_dpms, + .mode_fixup = qxl_crtc_mode_fixup, + .mode_set = qxl_crtc_mode_set, + .prepare = qxl_crtc_prepare, + .commit = qxl_crtc_commit, + .load_lut = qxl_crtc_load_lut, +}; + +static int qdev_crtc_init(struct drm_device *dev, int num_crtc) +{ + struct qxl_crtc *qxl_crtc; + + qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL); + if (!qxl_crtc) + return -ENOMEM; + + drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs); + + drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256); + drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs); + return 0; +} + +static void qxl_enc_dpms(struct drm_encoder *encoder, int mode) +{ + DRM_DEBUG("\n"); +} + +static bool qxl_enc_mode_fixup(struct drm_encoder *encoder, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + DRM_DEBUG("\n"); + return true; +} + +static void qxl_enc_prepare(struct drm_encoder *encoder) +{ + DRM_DEBUG("\n"); +} + +static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev, + struct drm_encoder *encoder) +{ + int i; + struct qxl_head *head; + struct drm_display_mode *mode; + + BUG_ON(!encoder); + /* TODO: ugly, do better */ + for (i = 0 ; (encoder->possible_crtcs != (1 << i)) && i < 32; ++i) + ; + if (encoder->possible_crtcs != (1 << i)) { + DRM_ERROR("encoder has wrong possible_crtcs: %x\n", + encoder->possible_crtcs); + return; + } + if (!qdev->monitors_config || + qdev->monitors_config->max_allowed <= i) { + DRM_ERROR( + "head number too large or missing monitors config: %p, %d", + qdev->monitors_config, + qdev->monitors_config ? + qdev->monitors_config->max_allowed : -1); + return; + } + if (!encoder->crtc) { + DRM_ERROR("missing crtc on encoder %p\n", encoder); + return; + } + if (i != 0) + DRM_DEBUG("missing for multiple monitors: no head holes\n"); + head = &qdev->monitors_config->heads[i]; + head->id = i; + head->surface_id = 0; + if (encoder->crtc->enabled) { + mode = &encoder->crtc->mode; + head->width = mode->hdisplay; + head->height = mode->vdisplay; + head->x = encoder->crtc->x; + head->y = encoder->crtc->y; + if (qdev->monitors_config->count < i + 1) + qdev->monitors_config->count = i + 1; + } else { + head->width = 0; + head->height = 0; + head->x = 0; + head->y = 0; + } + DRM_DEBUG("setting head %d to +%d+%d %dx%d\n", + i, head->x, head->y, head->width, head->height); + head->flags = 0; + /* TODO - somewhere else to call this for multiple monitors + * (config_commit?) */ + qxl_send_monitors_config(qdev); +} + +static void qxl_enc_commit(struct drm_encoder *encoder) +{ + struct qxl_device *qdev = encoder->dev->dev_private; + + qxl_write_monitors_config_for_encoder(qdev, encoder); + DRM_DEBUG("\n"); +} + +static void qxl_enc_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + DRM_DEBUG("\n"); +} + +static int qxl_conn_get_modes(struct drm_connector *connector) +{ + int ret = 0; + struct qxl_device *qdev = connector->dev->dev_private; + + DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config); + /* TODO: what should we do here? only show the configured modes for the + * device, or allow the full list, or both? */ + if (qdev->monitors_config && qdev->monitors_config->count) { + ret = qxl_add_monitors_config_modes(connector); + if (ret < 0) + return ret; + } + ret += qxl_add_common_modes(connector); + return ret; +} + +static int qxl_conn_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + /* TODO: is this called for user defined modes? (xrandr --add-mode) + * TODO: check that the mode fits in the framebuffer */ + DRM_DEBUG("%s: %dx%d status=%d\n", mode->name, mode->hdisplay, + mode->vdisplay, mode->status); + return MODE_OK; +} + +static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector) +{ + struct qxl_output *qxl_output = + drm_connector_to_qxl_output(connector); + + DRM_DEBUG("\n"); + return &qxl_output->enc; +} + + +static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = { + .dpms = qxl_enc_dpms, + .mode_fixup = qxl_enc_mode_fixup, + .prepare = qxl_enc_prepare, + .mode_set = qxl_enc_mode_set, + .commit = qxl_enc_commit, +}; + +static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = { + .get_modes = qxl_conn_get_modes, + .mode_valid = qxl_conn_mode_valid, + .best_encoder = qxl_best_encoder, +}; + +static void qxl_conn_save(struct drm_connector *connector) +{ + DRM_DEBUG("\n"); +} + +static void qxl_conn_restore(struct drm_connector *connector) +{ + DRM_DEBUG("\n"); +} + +static enum drm_connector_status qxl_conn_detect( + struct drm_connector *connector, + bool force) +{ + struct qxl_output *output = + drm_connector_to_qxl_output(connector); + struct drm_device *ddev = connector->dev; + struct qxl_device *qdev = ddev->dev_private; + int connected; + + /* The first monitor is always connected */ + connected = (output->index == 0) || + (qdev->monitors_config && + qdev->monitors_config->count > output->index); + + DRM_DEBUG("\n"); + return connected ? connector_status_connected + : connector_status_disconnected; +} + +static int qxl_conn_set_property(struct drm_connector *connector, + struct drm_property *property, + uint64_t value) +{ + DRM_DEBUG("\n"); + return 0; +} + +static void qxl_conn_destroy(struct drm_connector *connector) +{ + struct qxl_output *qxl_output = + drm_connector_to_qxl_output(connector); + + drm_sysfs_connector_remove(connector); + drm_connector_cleanup(connector); + kfree(qxl_output); +} + +static const struct drm_connector_funcs qxl_connector_funcs = { + .dpms = drm_helper_connector_dpms, + .save = qxl_conn_save, + .restore = qxl_conn_restore, + .detect = qxl_conn_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .set_property = qxl_conn_set_property, + .destroy = qxl_conn_destroy, +}; + +static void qxl_enc_destroy(struct drm_encoder *encoder) +{ + drm_encoder_cleanup(encoder); +} + +static const struct drm_encoder_funcs qxl_enc_funcs = { + .destroy = qxl_enc_destroy, +}; + +static int qdev_output_init(struct drm_device *dev, int num_output) +{ + struct qxl_output *qxl_output; + struct drm_connector *connector; + struct drm_encoder *encoder; + + qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL); + if (!qxl_output) + return -ENOMEM; + + qxl_output->index = num_output; + + connector = &qxl_output->base; + encoder = &qxl_output->enc; + drm_connector_init(dev, &qxl_output->base, + &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL); + + drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs, + DRM_MODE_ENCODER_VIRTUAL); + + encoder->possible_crtcs = 1 << num_output; + drm_mode_connector_attach_encoder(&qxl_output->base, + &qxl_output->enc); + drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs); + drm_connector_helper_add(connector, &qxl_connector_helper_funcs); + + drm_sysfs_connector_add(connector); + return 0; +} + +static struct drm_framebuffer * +qxl_user_framebuffer_create(struct drm_device *dev, + struct drm_file *file_priv, + struct drm_mode_fb_cmd2 *mode_cmd) +{ + struct drm_gem_object *obj; + struct qxl_framebuffer *qxl_fb; + struct qxl_device *qdev = dev->dev_private; + int ret; + + obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); + + qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL); + if (qxl_fb == NULL) + return NULL; + + ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj); + if (ret) { + kfree(qxl_fb); + drm_gem_object_unreference_unlocked(obj); + return NULL; + } + + if (qdev->active_user_framebuffer) { + DRM_INFO("%s: active_user_framebuffer %p -> %p\n", + __func__, + qdev->active_user_framebuffer, qxl_fb); + } + qdev->active_user_framebuffer = qxl_fb; + + return &qxl_fb->base; +} + +static const struct drm_mode_config_funcs qxl_mode_funcs = { + .fb_create = qxl_user_framebuffer_create, +}; + +int qxl_modeset_init(struct qxl_device *qdev) +{ + int i; + int ret; + struct drm_gem_object *gobj; + int max_allowed = QXL_NUM_OUTPUTS; + int monitors_config_size = sizeof(struct qxl_monitors_config) + + max_allowed * sizeof(struct qxl_head); + + drm_mode_config_init(qdev->ddev); + ret = qxl_gem_object_create(qdev, monitors_config_size, 0, + QXL_GEM_DOMAIN_VRAM, + false, false, NULL, &gobj); + if (ret) { + DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret); + return -ENOMEM; + } + qdev->monitors_config_bo = gem_to_qxl_bo(gobj); + qxl_bo_kmap(qdev->monitors_config_bo, NULL); + qdev->monitors_config = qdev->monitors_config_bo->kptr; + qdev->ram_header->monitors_config = + qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0); + + memset(qdev->monitors_config, 0, monitors_config_size); + qdev->monitors_config->max_allowed = max_allowed; + + qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs; + + /* modes will be validated against the framebuffer size */ + qdev->ddev->mode_config.min_width = 320; + qdev->ddev->mode_config.min_height = 200; + qdev->ddev->mode_config.max_width = 8192; + qdev->ddev->mode_config.max_height = 8192; + + qdev->ddev->mode_config.fb_base = qdev->vram_base; + for (i = 0 ; i < QXL_NUM_OUTPUTS; ++i) { + qdev_crtc_init(qdev->ddev, i); + qdev_output_init(qdev->ddev, i); + } + + qdev->mode_info.mode_config_initialized = true; + + /* primary surface must be created by this point, to allow + * issuing command queue commands and having them read by + * spice server. */ + qxl_fbdev_init(qdev); + return 0; +} + +void qxl_modeset_fini(struct qxl_device *qdev) +{ + qxl_fbdev_fini(qdev); + if (qdev->mode_info.mode_config_initialized) { + drm_mode_config_cleanup(qdev->ddev); + qdev->mode_info.mode_config_initialized = false; + } +} |
