--- /dev/null
+/*
+ * 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"
+#include <drm/drm_plane_helper.h>
+
+static bool qxl_head_enabled(struct qxl_head *head)
+{
+ return head->width && head->height;
+}
+
+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;
+
+ 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_DEBUG_KMS("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];
+ client_head->x = c_rect->left;
+ client_head->y = c_rect->top;
+ client_head->width = c_rect->right - c_rect->left;
+ client_head->height = c_rect->bottom - c_rect->top;
+ client_head->surface_id = 0;
+ client_head->id = i;
+ client_head->flags = 0;
+ DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
+ client_head->x, client_head->y);
+ }
+ return 0;
+}
+
+static void qxl_update_offset_props(struct qxl_device *qdev)
+{
+ struct drm_device *dev = qdev->ddev;
+ struct drm_connector *connector;
+ struct qxl_output *output;
+ struct qxl_head *head;
+
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ output = drm_connector_to_qxl_output(connector);
+
+ head = &qdev->client_monitors_config->heads[output->index];
+
+ drm_object_property_set_value(&connector->base,
+ dev->mode_config.suggested_x_property, head->x);
+ drm_object_property_set_value(&connector->base,
+ dev->mode_config.suggested_y_property, head->y);
+ }
+}
+
+void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
+{
+
+ struct drm_device *dev = qdev->ddev;
+ while (qxl_display_copy_rom_client_monitors_config(qdev)) {
+ qxl_io_log(qdev, "failed crc check for client_monitors_config,"
+ " retrying\n");
+ }
+
+ drm_modeset_lock_all(dev);
+ qxl_update_offset_props(qdev);
+ drm_modeset_unlock_all(dev);
+ if (!drm_helper_hpd_irq_event(qdev->ddev)) {
+ /* notify that the monitor configuration changed, to
+ adjust at the arbitrary resolution */
+ drm_kms_helper_hotplug_event(qdev->ddev);
+ }
+}
+
+static int qxl_add_monitors_config_modes(struct drm_connector *connector,
+ unsigned *pwidth,
+ unsigned *pheight)
+{
+ 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->client_monitors_config)
+ return 0;
+ head = &qdev->client_monitors_config->heads[h];
+
+ mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
+ false);
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+ *pwidth = head->width;
+ *pheight = head->height;
+ drm_mode_probed_add(connector, mode);
+ return 1;
+}
+
+static int qxl_add_common_modes(struct drm_connector *connector,
+ unsigned pwidth,
+ unsigned pheight)
+{
+ 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++) {
+ mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
+ 60, false, false, false);
+ if (common_modes[i].w == pwidth && common_modes[i].h == pheight)
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+ drm_mode_probed_add(connector, mode);
+ }
+ return i - 1;
+}
+
+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 int qxl_crtc_page_flip(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_pending_vblank_event *event,
+ uint32_t page_flip_flags)
+{
+ struct drm_device *dev = crtc->dev;
+ struct qxl_device *qdev = dev->dev_private;
+ struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
+ struct qxl_framebuffer *qfb_src = to_qxl_framebuffer(fb);
+ struct qxl_framebuffer *qfb_old = to_qxl_framebuffer(crtc->primary->fb);
+ struct qxl_bo *bo_old = gem_to_qxl_bo(qfb_old->obj);
+ struct qxl_bo *bo = gem_to_qxl_bo(qfb_src->obj);
+ unsigned long flags;
+ struct drm_clip_rect norect = {
+ .x1 = 0,
+ .y1 = 0,
+ .x2 = fb->width,
+ .y2 = fb->height
+ };
+ int inc = 1;
+ int one_clip_rect = 1;
+ int ret = 0;
+
+ crtc->primary->fb = fb;
+ bo_old->is_primary = false;
+ bo->is_primary = true;
+
+ ret = qxl_bo_reserve(bo, false);
+ if (ret)
+ return ret;
+
+ qxl_draw_dirty_fb(qdev, qfb_src, bo, 0, 0,
+ &norect, one_clip_rect, inc);
+
+ drm_vblank_get(dev, qcrtc->index);
+
+ if (event) {
+ spin_lock_irqsave(&dev->event_lock, flags);
+ drm_send_vblank_event(dev, qcrtc->index, event);
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ }
+ drm_vblank_put(dev, qcrtc->index);
+
+ qxl_bo_unreserve(bo);
+
+ return 0;
+}
+
+static int
+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);
+ if (ret)
+ return ret;
+
+ ret = qxl_release_reserve_list(release, true);
+ if (ret) {
+ qxl_release_free(qdev, release);
+ return ret;
+ }
+
+ cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
+ cmd->type = QXL_CURSOR_HIDE;
+ qxl_release_unmap(qdev, release, &cmd->release_info);
+
+ qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
+ qxl_release_fence_buffer_objects(release);
+ return 0;
+}
+
+static int qxl_crtc_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 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)
+ return qxl_hide_cursor(qdev);
+
+ 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);
+ qxl_bo_unreserve(user_bo);
+ if (ret)
+ goto out_unref;
+
+ 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, release, sizeof(struct qxl_cursor) + size,
+ &cursor_bo);
+ if (ret)
+ goto out_free_release;
+
+ ret = qxl_release_reserve_list(release, false);
+ if (ret)
+ goto out_free_bo;
+
+ ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
+ if (ret)
+ goto out_backoff;
+
+ cursor->header.unique = 0;
+ cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
+ cursor->header.width = 64;
+ cursor->header.height = 64;
+ cursor->header.hot_spot_x = hot_x;
+ cursor->header.hot_spot_y = hot_y;
+ 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);
+
+ qxl_bo_kunmap(user_bo);
+
+ 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);
+
+ cmd->u.set.visible = 1;
+ qxl_release_unmap(qdev, release, &cmd->release_info);
+
+ qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
+ qxl_release_fence_buffer_objects(release);
+
+ /* finish with the userspace bo */
+ ret = qxl_bo_reserve(user_bo, false);
+ if (!ret) {
+ qxl_bo_unpin(user_bo);
+ qxl_bo_unreserve(user_bo);
+ }
+ drm_gem_object_unreference_unlocked(obj);
+
+ qxl_bo_unref(&cursor_bo);
+
+ return ret;
+
+out_backoff:
+ qxl_release_backoff_reserve_list(release);
+out_free_bo:
+ qxl_bo_unref(&cursor_bo);
+out_free_release:
+ qxl_release_free(qdev, release);
+out_kunmap:
+ qxl_bo_kunmap(user_bo);
+out_unpin:
+ qxl_bo_unpin(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);
+ if (ret)
+ return ret;
+
+ ret = qxl_release_reserve_list(release, true);
+ if (ret) {
+ qxl_release_free(qdev, release);
+ return ret;
+ }
+
+ 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_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
+ qxl_release_fence_buffer_objects(release);
+
+ return 0;
+}
+
+
+static const struct drm_crtc_funcs qxl_crtc_funcs = {
+ .cursor_set2 = qxl_crtc_cursor_set2,
+ .cursor_move = qxl_crtc_cursor_move,
+ .set_config = drm_crtc_helper_set_config,
+ .destroy = qxl_crtc_destroy,
+ .page_flip = qxl_crtc_page_flip,
+};
+
+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;
+
+ drm_modeset_lock_all(fb->dev);
+
+ qobj = gem_to_qxl_bo(qxl_fb->obj);
+ /* if we aren't primary surface ignore this */
+ if (!qobj->is_primary) {
+ drm_modeset_unlock_all(fb->dev);
+ return 0;
+ }
+
+ 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);
+
+ drm_modeset_unlock_all(fb->dev);
+
+ 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->x > 8192 ||
+ 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(struct qxl_device *qdev,
+ int index,
+ unsigned x, unsigned y,
+ unsigned width, unsigned height,
+ unsigned surf_id)
+{
+ DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y);
+ qdev->monitors_config->heads[index].x = x;
+ qdev->monitors_config->heads[index].y = y;
+ qdev->monitors_config->heads[index].width = width;
+ qdev->monitors_config->heads[index].height = height;
+ qdev->monitors_config->heads[index].surface_id = surf_id;
+
+}
+
+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_framebuffer *qfb;
+ struct qxl_bo *bo, *old_bo = NULL;
+ struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
+ bool recreate_primary = false;
+ int ret;
+ int surf_id;
+ if (!crtc->primary->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->primary->fb);
+ bo = gem_to_qxl_bo(qfb->obj);
+ DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n",
+ x, y,
+ mode->hdisplay, mode->vdisplay,
+ adjusted_mode->hdisplay,
+ adjusted_mode->vdisplay);
+
+ if (qcrtc->index == 0)
+ recreate_primary = true;
+
+ if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
+ DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
+ return -EINVAL;
+ }
+
+ 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,%d,%d\n",
+ bo->surf.width, bo->surf.height,
+ bo->surf.stride, bo->surf.format);
+ qxl_io_create_primary(qdev, 0, bo);
+ bo->is_primary = true;
+ }
+
+ if (bo->is_primary) {
+ DRM_DEBUG_KMS("setting surface_id to 0 for primary surface %d on crtc %d\n", bo->surface_id, qcrtc->index);
+ surf_id = 0;
+ } else {
+ surf_id = bo->surface_id;
+ }
+
+ 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);
+ }
+
+ qxl_monitors_config_set(qdev, qcrtc->index, x, y,
+ mode->hdisplay,
+ mode->vdisplay, surf_id);
+ 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_disable(struct drm_crtc *crtc)
+{
+ struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct qxl_device *qdev = dev->dev_private;
+ if (crtc->primary->fb) {
+ struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->primary->fb);
+ struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
+ int ret;
+ ret = qxl_bo_reserve(bo, false);
+ qxl_bo_unpin(bo);
+ qxl_bo_unreserve(bo);
+ crtc->primary->fb = NULL;
+ }
+
+ qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
+
+ qxl_send_monitors_config(qdev);
+}
+
+static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
+ .dpms = qxl_crtc_dpms,
+ .disable = qxl_crtc_disable,
+ .mode_fixup = qxl_crtc_mode_fixup,
+ .mode_set = qxl_crtc_mode_set,
+ .prepare = qxl_crtc_prepare,
+ .commit = qxl_crtc_commit,
+};
+
+static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
+{
+ 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);
+ qxl_crtc->index = crtc_id;
+ 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_output *output = drm_encoder_to_qxl_output(encoder);
+ struct qxl_head *head;
+ struct drm_display_mode *mode;
+
+ BUG_ON(!encoder);
+ /* TODO: ugly, do better */
+ i = output->index;
+ 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;
+ 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_KMS("setting head %d to +%d+%d %dx%d out of %d\n",
+ i, head->x, head->y, head->width, head->height, qdev->monitors_config->count);
+ 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;
+ unsigned pwidth = 1024;
+ unsigned pheight = 768;
+
+ 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, &pwidth, &pheight);
+ if (ret < 0)
+ return ret;
+ }
+ ret += qxl_add_common_modes(connector, pwidth, pheight);
+ 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->client_monitors_config &&
+ qdev->client_monitors_config->count > output->index &&
+ qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]));
+
+ DRM_DEBUG("#%d connected: %d\n", output->index, connected);
+ if (!connected)
+ qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0);
+
+ 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_connector_unregister(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_nomerge,
+ .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 qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
+{
+ if (qdev->hotplug_mode_update_property)
+ return 0;
+
+ qdev->hotplug_mode_update_property =
+ drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
+ "hotplug_mode_update", 0, 1);
+
+ return 0;
+}
+
+static int qdev_output_init(struct drm_device *dev, int num_output)
+{
+ struct qxl_device *qdev = dev->dev_private;
+ 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);
+
+ /* we get HPD via client monitors config */
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+ 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_object_attach_property(&connector->base,
+ qdev->hotplug_mode_update_property, 0);
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.suggested_x_property, 0);
+ drm_object_attach_property(&connector->base,
+ dev->mode_config.suggested_y_property, 0);
+ drm_connector_register(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;
+ 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;
+ }
+
+ return &qxl_fb->base;
+}
+
+static const struct drm_mode_config_funcs qxl_mode_funcs = {
+ .fb_create = qxl_user_framebuffer_create,
+};
+
+int qxl_create_monitors_object(struct qxl_device *qdev)
+{
+ int ret;
+ struct drm_gem_object *gobj;
+ int max_allowed = qxl_num_crtc;
+ int monitors_config_size = sizeof(struct qxl_monitors_config) +
+ max_allowed * sizeof(struct qxl_head);
+
+ 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);
+
+ ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
+ if (ret)
+ return ret;
+
+ ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
+ if (ret) {
+ qxl_bo_unreserve(qdev->monitors_config_bo);
+ return ret;
+ }
+
+ qxl_bo_unreserve(qdev->monitors_config_bo);
+
+ 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;
+ return 0;
+}
+
+int qxl_destroy_monitors_object(struct qxl_device *qdev)
+{
+ int ret;
+
+ qdev->monitors_config = NULL;
+ qdev->ram_header->monitors_config = 0;
+
+ qxl_bo_kunmap(qdev->monitors_config_bo);
+ ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
+ if (ret)
+ return ret;
+
+ qxl_bo_unpin(qdev->monitors_config_bo);
+ qxl_bo_unreserve(qdev->monitors_config_bo);
+
+ qxl_bo_unref(&qdev->monitors_config_bo);
+ return 0;
+}
+
+int qxl_modeset_init(struct qxl_device *qdev)
+{
+ int i;
+ int ret;
+
+ drm_mode_config_init(qdev->ddev);
+
+ ret = qxl_create_monitors_object(qdev);
+ if (ret)
+ return ret;
+
+ 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;
+
+ drm_mode_create_suggested_offset_properties(qdev->ddev);
+ qxl_mode_create_hotplug_mode_update_property(qdev);
+
+ for (i = 0 ; i < qxl_num_crtc; ++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);
+
+ qxl_destroy_monitors_object(qdev);
+ if (qdev->mode_info.mode_config_initialized) {
+ drm_mode_config_cleanup(qdev->ddev);
+ qdev->mode_info.mode_config_initialized = false;
+ }
+}
Code Review / kvmfornfv.git / blobdiff