qdev->client_monitors_config->count = count;
}
+enum {
+ MONITORS_CONFIG_MODIFIED,
+ MONITORS_CONFIG_UNCHANGED,
+ MONITORS_CONFIG_BAD_CRC,
+};
+
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,
qxl_io_log(qdev, "crc mismatch: have %X (%zd) != %X\n", crc,
sizeof(qdev->rom->client_monitors_config),
qdev->rom->client_monitors_config_crc);
- return 1;
+ return MONITORS_CONFIG_BAD_CRC;
}
if (num_monitors > qdev->monitors_config->max_allowed) {
DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
} 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;
+ }
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->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;
+ 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 0;
+
+ return status;
}
static void qxl_update_offset_props(struct qxl_device *qdev)
{
struct drm_device *dev = qdev->ddev;
- while (qxl_display_copy_rom_client_monitors_config(qdev)) {
+ int status;
+
+ status = qxl_display_copy_rom_client_monitors_config(qdev);
+ while (status == MONITORS_CONFIG_BAD_CRC) {
qxl_io_log(qdev, "failed crc check for client_monitors_config,"
" retrying\n");
+ status = qxl_display_copy_rom_client_monitors_config(qdev);
+ }
+ if (status == MONITORS_CONFIG_UNCHANGED) {
+ qxl_io_log(qdev, "config unchanged\n");
+ DRM_DEBUG("ignoring unchanged client monitors config");
+ return;
}
drm_modeset_lock_all(dev);