mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 04:57:24 +07:00
d4b9dd5007
One of the more common cases of allocation size calculations is finding the size of a structure that has a zero-sized array at the end, along with memory for some number of elements for that array. For example: struct foo { int stuff; void *entry[]; }; instance = kzalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL); Instead of leaving these open-coded and prone to type mistakes, we can now use the new struct_size() helper: instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL); This code was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190108162152.GA25361@embeddedor Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
1190 lines
32 KiB
C
1190 lines
32 KiB
C
/*
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* Copyright 2013 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alon Levy
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*/
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#include <linux/crc32.h>
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#include <drm/drm_crtc_helper.h>
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#include <drm/drm_plane_helper.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_atomic.h>
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#include <drm/drm_gem_framebuffer_helper.h>
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#include "qxl_drv.h"
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#include "qxl_object.h"
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static bool qxl_head_enabled(struct qxl_head *head)
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{
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return head->width && head->height;
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}
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static int qxl_alloc_client_monitors_config(struct qxl_device *qdev,
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unsigned int count)
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{
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if (qdev->client_monitors_config &&
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count > qdev->client_monitors_config->count) {
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kfree(qdev->client_monitors_config);
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qdev->client_monitors_config = NULL;
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}
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if (!qdev->client_monitors_config) {
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qdev->client_monitors_config = kzalloc(
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struct_size(qdev->client_monitors_config,
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heads, count), GFP_KERNEL);
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if (!qdev->client_monitors_config)
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return -ENOMEM;
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}
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qdev->client_monitors_config->count = count;
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return 0;
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}
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enum {
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MONITORS_CONFIG_MODIFIED,
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MONITORS_CONFIG_UNCHANGED,
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MONITORS_CONFIG_BAD_CRC,
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MONITORS_CONFIG_ERROR,
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};
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static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
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{
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int i;
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int num_monitors;
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uint32_t crc;
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int status = MONITORS_CONFIG_UNCHANGED;
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num_monitors = qdev->rom->client_monitors_config.count;
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crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
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sizeof(qdev->rom->client_monitors_config));
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if (crc != qdev->rom->client_monitors_config_crc)
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return MONITORS_CONFIG_BAD_CRC;
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if (!num_monitors) {
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DRM_DEBUG_KMS("no client monitors configured\n");
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return status;
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}
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if (num_monitors > qdev->monitors_config->max_allowed) {
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DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
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qdev->monitors_config->max_allowed, num_monitors);
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num_monitors = qdev->monitors_config->max_allowed;
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} else {
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num_monitors = qdev->rom->client_monitors_config.count;
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}
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if (qdev->client_monitors_config
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&& (num_monitors != qdev->client_monitors_config->count)) {
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status = MONITORS_CONFIG_MODIFIED;
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}
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if (qxl_alloc_client_monitors_config(qdev, num_monitors)) {
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status = MONITORS_CONFIG_ERROR;
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return status;
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}
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/* we copy max from the client but it isn't used */
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qdev->client_monitors_config->max_allowed =
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qdev->monitors_config->max_allowed;
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for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
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struct qxl_urect *c_rect =
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&qdev->rom->client_monitors_config.heads[i];
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struct qxl_head *client_head =
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&qdev->client_monitors_config->heads[i];
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if (client_head->x != c_rect->left) {
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client_head->x = c_rect->left;
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status = MONITORS_CONFIG_MODIFIED;
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}
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if (client_head->y != c_rect->top) {
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client_head->y = c_rect->top;
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status = MONITORS_CONFIG_MODIFIED;
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}
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if (client_head->width != c_rect->right - c_rect->left) {
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client_head->width = c_rect->right - c_rect->left;
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status = MONITORS_CONFIG_MODIFIED;
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}
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if (client_head->height != c_rect->bottom - c_rect->top) {
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client_head->height = c_rect->bottom - c_rect->top;
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status = MONITORS_CONFIG_MODIFIED;
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}
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if (client_head->surface_id != 0) {
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client_head->surface_id = 0;
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status = MONITORS_CONFIG_MODIFIED;
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}
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if (client_head->id != i) {
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client_head->id = i;
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status = MONITORS_CONFIG_MODIFIED;
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}
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if (client_head->flags != 0) {
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client_head->flags = 0;
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status = MONITORS_CONFIG_MODIFIED;
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}
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DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
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client_head->x, client_head->y);
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}
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return status;
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}
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static void qxl_update_offset_props(struct qxl_device *qdev)
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{
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struct drm_device *dev = &qdev->ddev;
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struct drm_connector *connector;
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struct qxl_output *output;
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struct qxl_head *head;
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list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
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output = drm_connector_to_qxl_output(connector);
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head = &qdev->client_monitors_config->heads[output->index];
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drm_object_property_set_value(&connector->base,
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dev->mode_config.suggested_x_property, head->x);
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drm_object_property_set_value(&connector->base,
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dev->mode_config.suggested_y_property, head->y);
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}
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}
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void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
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{
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struct drm_device *dev = &qdev->ddev;
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int status, retries;
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for (retries = 0; retries < 10; retries++) {
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status = qxl_display_copy_rom_client_monitors_config(qdev);
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if (status != MONITORS_CONFIG_BAD_CRC)
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break;
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udelay(5);
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}
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if (status == MONITORS_CONFIG_ERROR) {
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DRM_DEBUG_KMS("ignoring client monitors config: error");
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return;
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}
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if (status == MONITORS_CONFIG_BAD_CRC) {
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DRM_DEBUG_KMS("ignoring client monitors config: bad crc");
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return;
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}
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if (status == MONITORS_CONFIG_UNCHANGED) {
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DRM_DEBUG_KMS("ignoring client monitors config: unchanged");
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return;
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}
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drm_modeset_lock_all(dev);
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qxl_update_offset_props(qdev);
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drm_modeset_unlock_all(dev);
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if (!drm_helper_hpd_irq_event(dev)) {
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/* notify that the monitor configuration changed, to
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adjust at the arbitrary resolution */
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drm_kms_helper_hotplug_event(dev);
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}
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}
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static int qxl_add_monitors_config_modes(struct drm_connector *connector,
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unsigned *pwidth,
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unsigned *pheight)
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{
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struct drm_device *dev = connector->dev;
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struct qxl_device *qdev = dev->dev_private;
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struct qxl_output *output = drm_connector_to_qxl_output(connector);
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int h = output->index;
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struct drm_display_mode *mode = NULL;
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struct qxl_head *head;
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if (!qdev->monitors_config)
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return 0;
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if (h >= qdev->monitors_config->max_allowed)
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return 0;
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if (!qdev->client_monitors_config)
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return 0;
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if (h >= qdev->client_monitors_config->count)
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return 0;
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head = &qdev->client_monitors_config->heads[h];
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DRM_DEBUG_KMS("head %d is %dx%d\n", h, head->width, head->height);
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mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
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false);
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mode->type |= DRM_MODE_TYPE_PREFERRED;
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mode->hdisplay = head->width;
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mode->vdisplay = head->height;
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drm_mode_set_name(mode);
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*pwidth = head->width;
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*pheight = head->height;
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drm_mode_probed_add(connector, mode);
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/* remember the last custom size for mode validation */
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qdev->monitors_config_width = mode->hdisplay;
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qdev->monitors_config_height = mode->vdisplay;
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return 1;
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}
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static struct mode_size {
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int w;
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int h;
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} common_modes[] = {
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{ 640, 480},
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{ 720, 480},
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{ 800, 600},
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{ 848, 480},
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{1024, 768},
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{1152, 768},
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{1280, 720},
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{1280, 800},
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{1280, 854},
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{1280, 960},
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{1280, 1024},
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{1440, 900},
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{1400, 1050},
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{1680, 1050},
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{1600, 1200},
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{1920, 1080},
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{1920, 1200}
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};
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static int qxl_add_common_modes(struct drm_connector *connector,
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unsigned int pwidth,
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unsigned int pheight)
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{
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struct drm_device *dev = connector->dev;
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struct drm_display_mode *mode = NULL;
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int i;
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for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
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mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
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60, false, false, false);
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if (common_modes[i].w == pwidth && common_modes[i].h == pheight)
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mode->type |= DRM_MODE_TYPE_PREFERRED;
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drm_mode_probed_add(connector, mode);
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}
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return i - 1;
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}
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static void qxl_send_monitors_config(struct qxl_device *qdev)
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{
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int i;
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BUG_ON(!qdev->ram_header->monitors_config);
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if (qdev->monitors_config->count == 0)
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return;
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for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
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struct qxl_head *head = &qdev->monitors_config->heads[i];
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if (head->y > 8192 || head->x > 8192 ||
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head->width > 8192 || head->height > 8192) {
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DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
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i, head->width, head->height,
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head->x, head->y);
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return;
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}
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}
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qxl_io_monitors_config(qdev);
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}
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static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc,
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const char *reason)
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{
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struct drm_device *dev = crtc->dev;
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struct qxl_device *qdev = dev->dev_private;
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struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
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struct qxl_head head;
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int oldcount, i = qcrtc->index;
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if (!qdev->primary_created) {
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DRM_DEBUG_KMS("no primary surface, skip (%s)\n", reason);
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return;
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}
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if (!qdev->monitors_config ||
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qdev->monitors_config->max_allowed <= i)
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return;
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head.id = i;
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head.flags = 0;
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oldcount = qdev->monitors_config->count;
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if (crtc->state->active) {
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struct drm_display_mode *mode = &crtc->mode;
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head.width = mode->hdisplay;
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head.height = mode->vdisplay;
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head.x = crtc->x;
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head.y = crtc->y;
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if (qdev->monitors_config->count < i + 1)
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qdev->monitors_config->count = i + 1;
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} else if (i > 0) {
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head.width = 0;
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head.height = 0;
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head.x = 0;
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head.y = 0;
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if (qdev->monitors_config->count == i + 1)
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qdev->monitors_config->count = i;
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} else {
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DRM_DEBUG_KMS("inactive head 0, skip (%s)\n", reason);
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return;
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}
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if (head.width == qdev->monitors_config->heads[i].width &&
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head.height == qdev->monitors_config->heads[i].height &&
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head.x == qdev->monitors_config->heads[i].x &&
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head.y == qdev->monitors_config->heads[i].y &&
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oldcount == qdev->monitors_config->count)
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return;
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DRM_DEBUG_KMS("head %d, %dx%d, at +%d+%d, %s (%s)\n",
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i, head.width, head.height, head.x, head.y,
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crtc->state->active ? "on" : "off", reason);
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if (oldcount != qdev->monitors_config->count)
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DRM_DEBUG_KMS("active heads %d -> %d (%d total)\n",
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oldcount, qdev->monitors_config->count,
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qdev->monitors_config->max_allowed);
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qdev->monitors_config->heads[i] = head;
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qxl_send_monitors_config(qdev);
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}
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static void qxl_crtc_atomic_flush(struct drm_crtc *crtc,
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struct drm_crtc_state *old_crtc_state)
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{
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struct drm_device *dev = crtc->dev;
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struct drm_pending_vblank_event *event;
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unsigned long flags;
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if (crtc->state && crtc->state->event) {
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event = crtc->state->event;
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crtc->state->event = NULL;
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spin_lock_irqsave(&dev->event_lock, flags);
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drm_crtc_send_vblank_event(crtc, event);
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spin_unlock_irqrestore(&dev->event_lock, flags);
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}
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qxl_crtc_update_monitors_config(crtc, "flush");
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}
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static void qxl_crtc_destroy(struct drm_crtc *crtc)
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{
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struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
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qxl_bo_unref(&qxl_crtc->cursor_bo);
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drm_crtc_cleanup(crtc);
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kfree(qxl_crtc);
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}
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static const struct drm_crtc_funcs qxl_crtc_funcs = {
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.set_config = drm_atomic_helper_set_config,
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.destroy = qxl_crtc_destroy,
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.page_flip = drm_atomic_helper_page_flip,
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.reset = drm_atomic_helper_crtc_reset,
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.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
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.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
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};
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static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
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struct drm_file *file_priv,
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unsigned int flags, unsigned int color,
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struct drm_clip_rect *clips,
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unsigned int num_clips)
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{
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/* TODO: vmwgfx where this was cribbed from had locking. Why? */
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struct qxl_device *qdev = fb->dev->dev_private;
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struct drm_clip_rect norect;
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struct qxl_bo *qobj;
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int inc = 1;
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drm_modeset_lock_all(fb->dev);
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qobj = gem_to_qxl_bo(fb->obj[0]);
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/* if we aren't primary surface ignore this */
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if (!qobj->is_primary) {
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drm_modeset_unlock_all(fb->dev);
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return 0;
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}
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if (!num_clips) {
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num_clips = 1;
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clips = &norect;
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norect.x1 = norect.y1 = 0;
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norect.x2 = fb->width;
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norect.y2 = fb->height;
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} else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
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num_clips /= 2;
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inc = 2; /* skip source rects */
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}
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qxl_draw_dirty_fb(qdev, fb, qobj, flags, color,
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clips, num_clips, inc);
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drm_modeset_unlock_all(fb->dev);
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return 0;
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}
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static const struct drm_framebuffer_funcs qxl_fb_funcs = {
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.destroy = drm_gem_fb_destroy,
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.dirty = qxl_framebuffer_surface_dirty,
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.create_handle = drm_gem_fb_create_handle,
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};
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static void qxl_crtc_atomic_enable(struct drm_crtc *crtc,
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struct drm_crtc_state *old_state)
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{
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qxl_crtc_update_monitors_config(crtc, "enable");
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}
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static void qxl_crtc_atomic_disable(struct drm_crtc *crtc,
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struct drm_crtc_state *old_state)
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{
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qxl_crtc_update_monitors_config(crtc, "disable");
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}
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static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
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.atomic_flush = qxl_crtc_atomic_flush,
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.atomic_enable = qxl_crtc_atomic_enable,
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.atomic_disable = qxl_crtc_atomic_disable,
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};
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|
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static int qxl_primary_atomic_check(struct drm_plane *plane,
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struct drm_plane_state *state)
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{
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struct qxl_device *qdev = plane->dev->dev_private;
|
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struct qxl_bo *bo;
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|
if (!state->crtc || !state->fb)
|
|
return 0;
|
|
|
|
bo = gem_to_qxl_bo(state->fb->obj[0]);
|
|
|
|
if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
|
|
DRM_ERROR("Mode doesn't fit in vram size (vgamem)");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
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_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
|
|
qxl_release_fence_buffer_objects(release);
|
|
|
|
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 *bo_old;
|
|
struct drm_clip_rect norect = {
|
|
.x1 = 0,
|
|
.y1 = 0,
|
|
.x2 = plane->state->fb->width,
|
|
.y2 = plane->state->fb->height
|
|
};
|
|
int ret;
|
|
bool same_shadow = false;
|
|
|
|
if (old_state->fb) {
|
|
bo_old = gem_to_qxl_bo(old_state->fb->obj[0]);
|
|
} else {
|
|
bo_old = NULL;
|
|
}
|
|
|
|
if (bo == bo_old)
|
|
return;
|
|
|
|
if (bo_old && bo_old->shadow && bo->shadow &&
|
|
bo_old->shadow == bo->shadow) {
|
|
same_shadow = true;
|
|
}
|
|
|
|
if (bo_old && bo_old->is_primary) {
|
|
if (!same_shadow)
|
|
qxl_io_destroy_primary(qdev);
|
|
bo_old->is_primary = false;
|
|
|
|
ret = qxl_primary_apply_cursor(plane);
|
|
if (ret)
|
|
DRM_ERROR(
|
|
"could not set cursor after creating primary");
|
|
}
|
|
|
|
if (!bo->is_primary) {
|
|
if (!same_shadow)
|
|
qxl_io_create_primary(qdev, 0, bo);
|
|
bo->is_primary = true;
|
|
}
|
|
|
|
qxl_draw_dirty_fb(qdev, plane->state->fb, bo, 0, 0, &norect, 1, 1);
|
|
}
|
|
|
|
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_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
|
|
qxl_release_fence_buffer_objects(release);
|
|
|
|
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_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
|
|
qxl_release_fence_buffer_objects(release);
|
|
}
|
|
|
|
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, *old_bo = NULL;
|
|
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 && !user_bo->shadow) {
|
|
if (plane->state->fb) {
|
|
obj = plane->state->fb->obj[0];
|
|
old_bo = gem_to_qxl_bo(obj);
|
|
}
|
|
if (old_bo && old_bo->shadow &&
|
|
user_bo->gem_base.size == old_bo->gem_base.size &&
|
|
plane->state->crtc == new_state->crtc &&
|
|
plane->state->crtc_w == new_state->crtc_w &&
|
|
plane->state->crtc_h == new_state->crtc_h &&
|
|
plane->state->src_x == new_state->src_x &&
|
|
plane->state->src_y == new_state->src_y &&
|
|
plane->state->src_w == new_state->src_w &&
|
|
plane->state->src_h == new_state->src_h &&
|
|
plane->state->rotation == new_state->rotation &&
|
|
plane->state->zpos == new_state->zpos) {
|
|
drm_gem_object_get(&old_bo->shadow->gem_base);
|
|
user_bo->shadow = old_bo->shadow;
|
|
} else {
|
|
qxl_bo_create(qdev, user_bo->gem_base.size,
|
|
true, true, QXL_GEM_DOMAIN_VRAM, NULL,
|
|
&user_bo->shadow);
|
|
}
|
|
}
|
|
|
|
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 (user_bo->shadow && !user_bo->is_primary) {
|
|
drm_gem_object_put_unlocked(&user_bo->shadow->gem_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)
|
|
{
|
|
unsigned int pwidth = 1024;
|
|
unsigned int pheight = 768;
|
|
int ret = 0;
|
|
|
|
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 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;
|
|
int i;
|
|
|
|
/* TODO: is this called for user defined modes? (xrandr --add-mode)
|
|
* TODO: check that the mode fits in the framebuffer */
|
|
|
|
if (qdev->monitors_config_width == mode->hdisplay &&
|
|
qdev->monitors_config_height == mode->vdisplay)
|
|
return MODE_OK;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
|
|
if (common_modes[i].w == mode->hdisplay && common_modes[i].h == mode->vdisplay)
|
|
return MODE_OK;
|
|
}
|
|
return MODE_BAD;
|
|
}
|
|
|
|
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 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_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->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_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);
|
|
|
|
/* 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);
|
|
drm_mode_config_cleanup(&qdev->ddev);
|
|
}
|