ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/gpu/drm/qxl/qxl_display.c b/marvell/linux/drivers/gpu/drm/qxl/qxl_display.c
new file mode 100644
index 0000000..677dd56
--- /dev/null
+++ b/marvell/linux/drivers/gpu/drm/qxl/qxl_display.c
@@ -0,0 +1,1249 @@
+/*
+ * 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 <linux/delay.h>
+
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_plane_helper.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_vblank.h>
+
+#include "qxl_drv.h"
+#include "qxl_object.h"
+
+static bool qxl_head_enabled(struct qxl_head *head)
+{
+ return head->width && head->height;
+}
+
+static int qxl_alloc_client_monitors_config(struct qxl_device *qdev,
+ unsigned int 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(
+ struct_size(qdev->client_monitors_config,
+ heads, count), GFP_KERNEL);
+ if (!qdev->client_monitors_config)
+ return -ENOMEM;
+ }
+ qdev->client_monitors_config->count = count;
+ return 0;
+}
+
+enum {
+ MONITORS_CONFIG_MODIFIED,
+ MONITORS_CONFIG_UNCHANGED,
+ MONITORS_CONFIG_BAD_CRC,
+ MONITORS_CONFIG_ERROR,
+};
+
+static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
+{
+ int i;
+ int num_monitors;
+ uint32_t crc;
+ int status = MONITORS_CONFIG_UNCHANGED;
+
+ 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)
+ return MONITORS_CONFIG_BAD_CRC;
+ if (!num_monitors) {
+ DRM_DEBUG_KMS("no client monitors configured\n");
+ return status;
+ }
+ if (num_monitors > qxl_num_crtc) {
+ DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
+ qxl_num_crtc, num_monitors);
+ num_monitors = qxl_num_crtc;
+ } else {
+ num_monitors = qdev->rom->client_monitors_config.count;
+ }
+ if (qdev->client_monitors_config
+ && (num_monitors != qdev->client_monitors_config->count)) {
+ status = MONITORS_CONFIG_MODIFIED;
+ }
+ if (qxl_alloc_client_monitors_config(qdev, num_monitors)) {
+ status = MONITORS_CONFIG_ERROR;
+ return status;
+ }
+ /* we copy max from the client but it isn't used */
+ qdev->client_monitors_config->max_allowed = qxl_num_crtc;
+ 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];
+ if (client_head->x != c_rect->left) {
+ client_head->x = c_rect->left;
+ status = MONITORS_CONFIG_MODIFIED;
+ }
+ if (client_head->y != c_rect->top) {
+ client_head->y = c_rect->top;
+ status = MONITORS_CONFIG_MODIFIED;
+ }
+ if (client_head->width != c_rect->right - c_rect->left) {
+ client_head->width = c_rect->right - c_rect->left;
+ status = MONITORS_CONFIG_MODIFIED;
+ }
+ if (client_head->height != c_rect->bottom - c_rect->top) {
+ client_head->height = c_rect->bottom - c_rect->top;
+ status = MONITORS_CONFIG_MODIFIED;
+ }
+ if (client_head->surface_id != 0) {
+ client_head->surface_id = 0;
+ status = MONITORS_CONFIG_MODIFIED;
+ }
+ if (client_head->id != i) {
+ client_head->id = i;
+ status = MONITORS_CONFIG_MODIFIED;
+ }
+ if (client_head->flags != 0) {
+ client_head->flags = 0;
+ status = MONITORS_CONFIG_MODIFIED;
+ }
+ DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
+ client_head->x, client_head->y);
+ }
+
+ return status;
+}
+
+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;
+ int status, retries;
+
+ for (retries = 0; retries < 10; retries++) {
+ status = qxl_display_copy_rom_client_monitors_config(qdev);
+ if (status != MONITORS_CONFIG_BAD_CRC)
+ break;
+ udelay(5);
+ }
+ if (status == MONITORS_CONFIG_ERROR) {
+ DRM_DEBUG_KMS("ignoring client monitors config: error");
+ return;
+ }
+ if (status == MONITORS_CONFIG_BAD_CRC) {
+ DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
+ return;
+ }
+ if (status == MONITORS_CONFIG_UNCHANGED) {
+ DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
+ return;
+ }
+
+ drm_modeset_lock_all(dev);
+ qxl_update_offset_props(qdev);
+ drm_modeset_unlock_all(dev);
+ if (!drm_helper_hpd_irq_event(dev)) {
+ /* notify that the monitor configuration changed, to
+ adjust at the arbitrary resolution */
+ drm_kms_helper_hotplug_event(dev);
+ }
+}
+
+static int qxl_check_mode(struct qxl_device *qdev,
+ unsigned int width,
+ unsigned int height)
+{
+ unsigned int stride;
+ unsigned int size;
+
+ if (check_mul_overflow(width, 4u, &stride))
+ return -EINVAL;
+ if (check_mul_overflow(stride, height, &size))
+ return -EINVAL;
+ if (size > qdev->vram_size)
+ return -ENOMEM;
+ return 0;
+}
+
+static int qxl_check_framebuffer(struct qxl_device *qdev,
+ struct qxl_bo *bo)
+{
+ return qxl_check_mode(qdev, bo->surf.width, bo->surf.height);
+}
+
+static int qxl_add_mode(struct drm_connector *connector,
+ unsigned int width,
+ unsigned int height,
+ bool preferred)
+{
+ struct drm_device *dev = connector->dev;
+ struct qxl_device *qdev = dev->dev_private;
+ struct drm_display_mode *mode = NULL;
+ int rc;
+
+ rc = qxl_check_mode(qdev, width, height);
+ if (rc != 0)
+ return 0;
+
+ mode = drm_cvt_mode(dev, width, height, 60, false, false, false);
+ if (!mode)
+ return 0;
+
+ if (preferred)
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+ mode->hdisplay = width;
+ mode->vdisplay = height;
+ drm_mode_set_name(mode);
+ drm_mode_probed_add(connector, mode);
+ return 1;
+}
+
+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 qxl_head *head;
+
+ if (!qdev->monitors_config)
+ return 0;
+ if (h >= qxl_num_crtc)
+ return 0;
+ if (!qdev->client_monitors_config)
+ return 0;
+ if (h >= qdev->client_monitors_config->count)
+ return 0;
+
+ head = &qdev->client_monitors_config->heads[h];
+ DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
+
+ return qxl_add_mode(connector, head->width, head->height, true);
+}
+
+static struct mode_size {
+ int w;
+ int h;
+} extra_modes[] = {
+ { 720, 480},
+ {1152, 768},
+ {1280, 854},
+};
+
+static int qxl_add_extra_modes(struct drm_connector *connector)
+{
+ int i, ret = 0;
+
+ for (i = 0; i < ARRAY_SIZE(extra_modes); i++)
+ ret += qxl_add_mode(connector,
+ extra_modes[i].w,
+ extra_modes[i].h,
+ false);
+ return ret;
+}
+
+static void qxl_send_monitors_config(struct qxl_device *qdev)
+{
+ int i;
+
+ BUG_ON(!qdev->ram_header->monitors_config);
+
+ if (qdev->monitors_config->count == 0)
+ 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_crtc_update_monitors_config(struct drm_crtc *crtc,
+ const char *reason)
+{
+ struct drm_device *dev = crtc->dev;
+ struct qxl_device *qdev = dev->dev_private;
+ struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
+ struct qxl_head head;
+ int oldcount, i = qcrtc->index;
+
+ if (!qdev->primary_bo) {
+ DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason);
+ return;
+ }
+
+ if (!qdev->monitors_config || qxl_num_crtc <= i)
+ return;
+
+ head.id = i;
+ head.flags = 0;
+ head.surface_id = 0;
+ oldcount = qdev->monitors_config->count;
+ if (crtc->state->active) {
+ struct drm_display_mode *mode = &crtc->mode;
+
+ head.width = mode->hdisplay;
+ head.height = mode->vdisplay;
+ head.x = crtc->x;
+ head.y = crtc->y;
+ if (qdev->monitors_config->count < i + 1)
+ qdev->monitors_config->count = i + 1;
+ if (qdev->primary_bo == qdev->dumb_shadow_bo)
+ head.x += qdev->dumb_heads[i].x;
+ } else if (i > 0) {
+ head.width = 0;
+ head.height = 0;
+ head.x = 0;
+ head.y = 0;
+ if (qdev->monitors_config->count == i + 1)
+ qdev->monitors_config->count = i;
+ } else {
+ DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason);
+ return;
+ }
+
+ if (head.width == qdev->monitors_config->heads[i].width &&
+ head.height == qdev->monitors_config->heads[i].height &&
+ head.x == qdev->monitors_config->heads[i].x &&
+ head.y == qdev->monitors_config->heads[i].y &&
+ oldcount == qdev->monitors_config->count)
+ return;
+
+ DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n",
+ i, head.width, head.height, head.x, head.y,
+ crtc->state->active ? "on" : "off", reason);
+ if (oldcount != qdev->monitors_config->count)
+ DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n",
+ oldcount, qdev->monitors_config->count,
+ qxl_num_crtc);
+
+ qdev->monitors_config->heads[i] = head;
+ qdev->monitors_config->max_allowed = qxl_num_crtc;
+ qxl_send_monitors_config(qdev);
+}
+
+static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_crtc_state)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_pending_vblank_event *event;
+ unsigned long flags;
+
+ if (crtc->state && crtc->state->event) {
+ event = crtc->state->event;
+ crtc->state->event = NULL;
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ drm_crtc_send_vblank_event(crtc, event);
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ }
+
+ qxl_crtc_update_monitors_config(crtc, "flush");
+}
+
+static void qxl_crtc_destroy(struct drm_crtc *crtc)
+{
+ struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
+
+ qxl_bo_unref(&qxl_crtc->cursor_bo);
+ drm_crtc_cleanup(crtc);
+ kfree(qxl_crtc);
+}
+
+static const struct drm_crtc_funcs qxl_crtc_funcs = {
+ .set_config = drm_atomic_helper_set_config,
+ .destroy = qxl_crtc_destroy,
+ .page_flip = drm_atomic_helper_page_flip,
+ .reset = drm_atomic_helper_crtc_reset,
+ .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+};
+
+static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
+ struct drm_file *file_priv,
+ unsigned int flags, unsigned int color,
+ struct drm_clip_rect *clips,
+ unsigned int num_clips)
+{
+ /* TODO: vmwgfx where this was cribbed from had locking. Why? */
+ struct qxl_device *qdev = fb->dev->dev_private;
+ struct drm_clip_rect norect;
+ struct qxl_bo *qobj;
+ bool is_primary;
+ int inc = 1;
+
+ drm_modeset_lock_all(fb->dev);
+
+ qobj = gem_to_qxl_bo(fb->obj[0]);
+ /* if we aren't primary surface ignore this */
+ is_primary = qobj->shadow ? qobj->shadow->is_primary : qobj->is_primary;
+ if (!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, fb, qobj, flags, color,
+ clips, num_clips, inc, 0);
+
+ drm_modeset_unlock_all(fb->dev);
+
+ return 0;
+}
+
+static const struct drm_framebuffer_funcs qxl_fb_funcs = {
+ .destroy = drm_gem_fb_destroy,
+ .dirty = qxl_framebuffer_surface_dirty,
+ .create_handle = drm_gem_fb_create_handle,
+};
+
+static void qxl_crtc_atomic_enable(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
+{
+ qxl_crtc_update_monitors_config(crtc, "enable");
+}
+
+static void qxl_crtc_atomic_disable(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
+{
+ qxl_crtc_update_monitors_config(crtc, "disable");
+}
+
+static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
+ .atomic_flush = qxl_crtc_atomic_flush,
+ .atomic_enable = qxl_crtc_atomic_enable,
+ .atomic_disable = qxl_crtc_atomic_disable,
+};
+
+static int qxl_primary_atomic_check(struct drm_plane *plane,
+ struct drm_plane_state *state)
+{
+ struct qxl_device *qdev = plane->dev->dev_private;
+ struct qxl_bo *bo;
+
+ if (!state->crtc || !state->fb)
+ return 0;
+
+ bo = gem_to_qxl_bo(state->fb->obj[0]);
+
+ return qxl_check_framebuffer(qdev, bo);
+}
+
+static int qxl_primary_apply_cursor(struct drm_plane *plane)
+{
+ struct drm_device *dev = plane->dev;
+ struct qxl_device *qdev = dev->dev_private;
+ struct drm_framebuffer *fb = plane->state->fb;
+ struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
+ struct qxl_cursor_cmd *cmd;
+ struct qxl_release *release;
+ int ret = 0;
+
+ if (!qcrtc->cursor_bo)
+ return 0;
+
+ ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
+ QXL_RELEASE_CURSOR_CMD,
+ &release, NULL);
+ if (ret)
+ return ret;
+
+ ret = qxl_release_list_add(release, qcrtc->cursor_bo);
+ if (ret)
+ goto out_free_release;
+
+ ret = qxl_release_reserve_list(release, false);
+ if (ret)
+ goto out_free_release;
+
+ cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
+ cmd->type = QXL_CURSOR_SET;
+ cmd->u.set.position.x = plane->state->crtc_x + fb->hot_x;
+ cmd->u.set.position.y = plane->state->crtc_y + fb->hot_y;
+
+ cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0);
+
+ cmd->u.set.visible = 1;
+ qxl_release_unmap(qdev, release, &cmd->release_info);
+
+ qxl_release_fence_buffer_objects(release);
+ qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
+
+ return ret;
+
+out_free_release:
+ qxl_release_free(qdev, release);
+ return ret;
+}
+
+static void qxl_primary_atomic_update(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
+{
+ struct qxl_device *qdev = plane->dev->dev_private;
+ struct qxl_bo *bo = gem_to_qxl_bo(plane->state->fb->obj[0]);
+ struct qxl_bo *primary;
+ struct drm_clip_rect norect = {
+ .x1 = 0,
+ .y1 = 0,
+ .x2 = plane->state->fb->width,
+ .y2 = plane->state->fb->height
+ };
+ uint32_t dumb_shadow_offset = 0;
+
+ primary = bo->shadow ? bo->shadow : bo;
+
+ if (!primary->is_primary) {
+ if (qdev->primary_bo)
+ qxl_io_destroy_primary(qdev);
+ qxl_io_create_primary(qdev, primary);
+ qxl_primary_apply_cursor(plane);
+ }
+
+ if (bo->is_dumb)
+ dumb_shadow_offset =
+ qdev->dumb_heads[plane->state->crtc->index].x;
+
+ qxl_draw_dirty_fb(qdev, plane->state->fb, bo, 0, 0, &norect, 1, 1,
+ dumb_shadow_offset);
+}
+
+static void qxl_primary_atomic_disable(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
+{
+ struct qxl_device *qdev = plane->dev->dev_private;
+
+ if (old_state->fb) {
+ struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]);
+
+ if (bo->is_primary) {
+ qxl_io_destroy_primary(qdev);
+ bo->is_primary = false;
+ }
+ }
+}
+
+static void qxl_cursor_atomic_update(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
+{
+ struct drm_device *dev = plane->dev;
+ struct qxl_device *qdev = dev->dev_private;
+ struct drm_framebuffer *fb = plane->state->fb;
+ struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
+ struct qxl_release *release;
+ struct qxl_cursor_cmd *cmd;
+ struct qxl_cursor *cursor;
+ struct drm_gem_object *obj;
+ struct qxl_bo *cursor_bo = NULL, *user_bo = NULL, *old_cursor_bo = NULL;
+ int ret;
+ void *user_ptr;
+ int size = 64*64*4;
+
+ ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
+ QXL_RELEASE_CURSOR_CMD,
+ &release, NULL);
+ if (ret)
+ return;
+
+ if (fb != old_state->fb) {
+ obj = fb->obj[0];
+ user_bo = gem_to_qxl_bo(obj);
+
+ /* pinning is done in the prepare/cleanup framevbuffer */
+ ret = qxl_bo_kmap(user_bo, &user_ptr);
+ if (ret)
+ goto out_free_release;
+
+ ret = qxl_alloc_bo_reserved(qdev, release,
+ sizeof(struct qxl_cursor) + size,
+ &cursor_bo);
+ if (ret)
+ goto out_kunmap;
+
+ ret = qxl_bo_pin(cursor_bo);
+ if (ret)
+ goto out_free_bo;
+
+ ret = qxl_release_reserve_list(release, true);
+ if (ret)
+ goto out_unpin;
+
+ 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 = fb->hot_x;
+ cursor->header.hot_spot_y = fb->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->u.set.visible = 1;
+ cmd->u.set.shape = qxl_bo_physical_address(qdev,
+ cursor_bo, 0);
+ cmd->type = QXL_CURSOR_SET;
+
+ old_cursor_bo = qcrtc->cursor_bo;
+ qcrtc->cursor_bo = cursor_bo;
+ cursor_bo = NULL;
+ } else {
+
+ ret = qxl_release_reserve_list(release, true);
+ if (ret)
+ goto out_free_release;
+
+ cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release);
+ cmd->type = QXL_CURSOR_MOVE;
+ }
+
+ cmd->u.position.x = plane->state->crtc_x + fb->hot_x;
+ cmd->u.position.y = plane->state->crtc_y + fb->hot_y;
+
+ qxl_release_unmap(qdev, release, &cmd->release_info);
+ qxl_release_fence_buffer_objects(release);
+ qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
+
+ if (old_cursor_bo != NULL)
+ qxl_bo_unpin(old_cursor_bo);
+ qxl_bo_unref(&old_cursor_bo);
+ qxl_bo_unref(&cursor_bo);
+
+ return;
+
+out_backoff:
+ qxl_release_backoff_reserve_list(release);
+out_unpin:
+ qxl_bo_unpin(cursor_bo);
+out_free_bo:
+ qxl_bo_unref(&cursor_bo);
+out_kunmap:
+ qxl_bo_kunmap(user_bo);
+out_free_release:
+ qxl_release_free(qdev, release);
+ return;
+
+}
+
+static void qxl_cursor_atomic_disable(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
+{
+ struct qxl_device *qdev = plane->dev->dev_private;
+ 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 = qxl_release_reserve_list(release, true);
+ if (ret) {
+ qxl_release_free(qdev, release);
+ return;
+ }
+
+ cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
+ cmd->type = QXL_CURSOR_HIDE;
+ qxl_release_unmap(qdev, release, &cmd->release_info);
+
+ qxl_release_fence_buffer_objects(release);
+ qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
+}
+
+static void qxl_update_dumb_head(struct qxl_device *qdev,
+ int index, struct qxl_bo *bo)
+{
+ uint32_t width, height;
+
+ if (index >= qdev->monitors_config->max_allowed)
+ return;
+
+ if (bo && bo->is_dumb) {
+ width = bo->surf.width;
+ height = bo->surf.height;
+ } else {
+ width = 0;
+ height = 0;
+ }
+
+ if (qdev->dumb_heads[index].width == width &&
+ qdev->dumb_heads[index].height == height)
+ return;
+
+ DRM_DEBUG("#%d: %dx%d -> %dx%d\n", index,
+ qdev->dumb_heads[index].width,
+ qdev->dumb_heads[index].height,
+ width, height);
+ qdev->dumb_heads[index].width = width;
+ qdev->dumb_heads[index].height = height;
+}
+
+static void qxl_calc_dumb_shadow(struct qxl_device *qdev,
+ struct qxl_surface *surf)
+{
+ struct qxl_head *head;
+ int i;
+
+ memset(surf, 0, sizeof(*surf));
+ for (i = 0; i < qdev->monitors_config->max_allowed; i++) {
+ head = qdev->dumb_heads + i;
+ head->x = surf->width;
+ surf->width += head->width;
+ if (surf->height < head->height)
+ surf->height = head->height;
+ }
+ if (surf->width < 64)
+ surf->width = 64;
+ if (surf->height < 64)
+ surf->height = 64;
+ surf->format = SPICE_SURFACE_FMT_32_xRGB;
+ surf->stride = surf->width * 4;
+
+ if (!qdev->dumb_shadow_bo ||
+ qdev->dumb_shadow_bo->surf.width != surf->width ||
+ qdev->dumb_shadow_bo->surf.height != surf->height)
+ DRM_DEBUG("%dx%d\n", surf->width, surf->height);
+}
+
+static int qxl_plane_prepare_fb(struct drm_plane *plane,
+ struct drm_plane_state *new_state)
+{
+ struct qxl_device *qdev = plane->dev->dev_private;
+ struct drm_gem_object *obj;
+ struct qxl_bo *user_bo;
+ struct qxl_surface surf;
+ int ret;
+
+ if (!new_state->fb)
+ return 0;
+
+ obj = new_state->fb->obj[0];
+ user_bo = gem_to_qxl_bo(obj);
+
+ if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
+ user_bo->is_dumb) {
+ qxl_update_dumb_head(qdev, new_state->crtc->index,
+ user_bo);
+ qxl_calc_dumb_shadow(qdev, &surf);
+ if (!qdev->dumb_shadow_bo ||
+ qdev->dumb_shadow_bo->surf.width != surf.width ||
+ qdev->dumb_shadow_bo->surf.height != surf.height) {
+ if (qdev->dumb_shadow_bo) {
+ drm_gem_object_put_unlocked
+ (&qdev->dumb_shadow_bo->tbo.base);
+ qdev->dumb_shadow_bo = NULL;
+ }
+ qxl_bo_create(qdev, surf.height * surf.stride,
+ true, true, QXL_GEM_DOMAIN_SURFACE, &surf,
+ &qdev->dumb_shadow_bo);
+ }
+ if (user_bo->shadow != qdev->dumb_shadow_bo) {
+ if (user_bo->shadow) {
+ drm_gem_object_put_unlocked
+ (&user_bo->shadow->tbo.base);
+ user_bo->shadow = NULL;
+ }
+ drm_gem_object_get(&qdev->dumb_shadow_bo->tbo.base);
+ user_bo->shadow = qdev->dumb_shadow_bo;
+ }
+ }
+
+ ret = qxl_bo_pin(user_bo);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static void qxl_plane_cleanup_fb(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
+{
+ struct drm_gem_object *obj;
+ struct qxl_bo *user_bo;
+
+ if (!old_state->fb) {
+ /*
+ * we never executed prepare_fb, so there's nothing to
+ * unpin.
+ */
+ return;
+ }
+
+ obj = old_state->fb->obj[0];
+ user_bo = gem_to_qxl_bo(obj);
+ qxl_bo_unpin(user_bo);
+
+ if (old_state->fb != plane->state->fb && user_bo->shadow) {
+ drm_gem_object_put_unlocked(&user_bo->shadow->tbo.base);
+ user_bo->shadow = NULL;
+ }
+}
+
+static const uint32_t qxl_cursor_plane_formats[] = {
+ DRM_FORMAT_ARGB8888,
+};
+
+static const struct drm_plane_helper_funcs qxl_cursor_helper_funcs = {
+ .atomic_update = qxl_cursor_atomic_update,
+ .atomic_disable = qxl_cursor_atomic_disable,
+ .prepare_fb = qxl_plane_prepare_fb,
+ .cleanup_fb = qxl_plane_cleanup_fb,
+};
+
+static const struct drm_plane_funcs qxl_cursor_plane_funcs = {
+ .update_plane = drm_atomic_helper_update_plane,
+ .disable_plane = drm_atomic_helper_disable_plane,
+ .destroy = drm_primary_helper_destroy,
+ .reset = drm_atomic_helper_plane_reset,
+ .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+};
+
+static const uint32_t qxl_primary_plane_formats[] = {
+ DRM_FORMAT_XRGB8888,
+ DRM_FORMAT_ARGB8888,
+};
+
+static const struct drm_plane_helper_funcs primary_helper_funcs = {
+ .atomic_check = qxl_primary_atomic_check,
+ .atomic_update = qxl_primary_atomic_update,
+ .atomic_disable = qxl_primary_atomic_disable,
+ .prepare_fb = qxl_plane_prepare_fb,
+ .cleanup_fb = qxl_plane_cleanup_fb,
+};
+
+static const struct drm_plane_funcs qxl_primary_plane_funcs = {
+ .update_plane = drm_atomic_helper_update_plane,
+ .disable_plane = drm_atomic_helper_disable_plane,
+ .destroy = drm_primary_helper_destroy,
+ .reset = drm_atomic_helper_plane_reset,
+ .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+};
+
+static struct drm_plane *qxl_create_plane(struct qxl_device *qdev,
+ unsigned int possible_crtcs,
+ enum drm_plane_type type)
+{
+ const struct drm_plane_helper_funcs *helper_funcs = NULL;
+ struct drm_plane *plane;
+ const struct drm_plane_funcs *funcs;
+ const uint32_t *formats;
+ int num_formats;
+ int err;
+
+ if (type == DRM_PLANE_TYPE_PRIMARY) {
+ funcs = &qxl_primary_plane_funcs;
+ formats = qxl_primary_plane_formats;
+ num_formats = ARRAY_SIZE(qxl_primary_plane_formats);
+ helper_funcs = &primary_helper_funcs;
+ } else if (type == DRM_PLANE_TYPE_CURSOR) {
+ funcs = &qxl_cursor_plane_funcs;
+ formats = qxl_cursor_plane_formats;
+ helper_funcs = &qxl_cursor_helper_funcs;
+ num_formats = ARRAY_SIZE(qxl_cursor_plane_formats);
+ } else {
+ return ERR_PTR(-EINVAL);
+ }
+
+ plane = kzalloc(sizeof(*plane), GFP_KERNEL);
+ if (!plane)
+ return ERR_PTR(-ENOMEM);
+
+ err = drm_universal_plane_init(&qdev->ddev, plane, possible_crtcs,
+ funcs, formats, num_formats,
+ NULL, type, NULL);
+ if (err)
+ goto free_plane;
+
+ drm_plane_helper_add(plane, helper_funcs);
+
+ return plane;
+
+free_plane:
+ kfree(plane);
+ return ERR_PTR(-EINVAL);
+}
+
+static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
+{
+ struct qxl_crtc *qxl_crtc;
+ struct drm_plane *primary, *cursor;
+ struct qxl_device *qdev = dev->dev_private;
+ int r;
+
+ qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
+ if (!qxl_crtc)
+ return -ENOMEM;
+
+ primary = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_PRIMARY);
+ if (IS_ERR(primary)) {
+ r = -ENOMEM;
+ goto free_mem;
+ }
+
+ cursor = qxl_create_plane(qdev, 1 << crtc_id, DRM_PLANE_TYPE_CURSOR);
+ if (IS_ERR(cursor)) {
+ r = -ENOMEM;
+ goto clean_primary;
+ }
+
+ r = drm_crtc_init_with_planes(dev, &qxl_crtc->base, primary, cursor,
+ &qxl_crtc_funcs, NULL);
+ if (r)
+ goto clean_cursor;
+
+ qxl_crtc->index = crtc_id;
+ drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
+ return 0;
+
+clean_cursor:
+ drm_plane_cleanup(cursor);
+ kfree(cursor);
+clean_primary:
+ drm_plane_cleanup(primary);
+ kfree(primary);
+free_mem:
+ kfree(qxl_crtc);
+ return r;
+}
+
+static int qxl_conn_get_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);
+ unsigned int pwidth = 1024;
+ unsigned int pheight = 768;
+ int ret = 0;
+
+ if (qdev->client_monitors_config) {
+ struct qxl_head *head;
+ head = &qdev->client_monitors_config->heads[output->index];
+ if (head->width)
+ pwidth = head->width;
+ if (head->height)
+ pheight = head->height;
+ }
+
+ ret += drm_add_modes_noedid(connector, 8192, 8192);
+ ret += qxl_add_extra_modes(connector);
+ ret += qxl_add_monitors_config_modes(connector);
+ drm_set_preferred_mode(connector, pwidth, pheight);
+ return ret;
+}
+
+static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ struct drm_device *ddev = connector->dev;
+ struct qxl_device *qdev = ddev->dev_private;
+
+ if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0)
+ return MODE_BAD;
+
+ 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 = {
+};
+
+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 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;
+ bool connected = false;
+
+ /* The first monitor is always connected */
+ if (!qdev->client_monitors_config) {
+ if (output->index == 0)
+ connected = true;
+ } else
+ connected = 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);
+
+ return connected ? connector_status_connected
+ : connector_status_disconnected;
+}
+
+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 = {
+ .detect = qxl_conn_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = qxl_conn_destroy,
+ .reset = drm_atomic_helper_connector_reset,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+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, NULL);
+
+ /* we get HPD via client monitors config */
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+ encoder->possible_crtcs = 1 << num_output;
+ drm_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);
+ return 0;
+}
+
+static struct drm_framebuffer *
+qxl_user_framebuffer_create(struct drm_device *dev,
+ struct drm_file *file_priv,
+ const struct drm_mode_fb_cmd2 *mode_cmd)
+{
+ return drm_gem_fb_create_with_funcs(dev, file_priv, mode_cmd,
+ &qxl_fb_funcs);
+}
+
+static const struct drm_mode_config_funcs qxl_mode_funcs = {
+ .fb_create = qxl_user_framebuffer_create,
+ .atomic_check = drm_atomic_helper_check,
+ .atomic_commit = drm_atomic_helper_commit,
+};
+
+int qxl_create_monitors_object(struct qxl_device *qdev)
+{
+ int ret;
+ struct drm_gem_object *gobj;
+ int monitors_config_size = sizeof(struct qxl_monitors_config) +
+ qxl_num_crtc * 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_pin(qdev->monitors_config_bo);
+ if (ret)
+ return ret;
+
+ 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->dumb_heads = kcalloc(qxl_num_crtc, sizeof(qdev->dumb_heads[0]),
+ GFP_KERNEL);
+ if (!qdev->dumb_heads) {
+ qxl_destroy_monitors_object(qdev);
+ return -ENOMEM;
+ }
+ 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_unpin(qdev->monitors_config_bo);
+ if (ret)
+ return ret;
+
+ 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 = 0;
+ qdev->ddev.mode_config.min_height = 0;
+ 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);
+ }
+
+ qxl_display_read_client_monitors_config(qdev);
+
+ drm_mode_config_reset(&qdev->ddev);
+ return 0;
+}
+
+void qxl_modeset_fini(struct qxl_device *qdev)
+{
+ if (qdev->dumb_shadow_bo) {
+ drm_gem_object_put(&qdev->dumb_shadow_bo->tbo.base);
+ qdev->dumb_shadow_bo = NULL;
+ }
+ qxl_destroy_monitors_object(qdev);
+ drm_mode_config_cleanup(&qdev->ddev);
+}