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qxl: split monitors_config object creation out.

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This splits the creation of the monitors config object out so we can
re-use it across suspend/resume later.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2013-07-04 14:46:46 +10:00
parent c927215543
commit 2bd6ce84e1
2 changed files with 52 additions and 4 deletions
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54
drivers/gpu/drm/qxl/qxl_display.c
View File

@ -872,16 +872,14 @@ static const struct drm_mode_config_funcs qxl_mode_funcs = {
.fb_create = qxl_user_framebuffer_create,
};
int qxl_modeset_init(struct qxl_device *qdev)
int qxl_create_monitors_object(struct qxl_device *qdev)
{
int i;
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);
max_allowed * sizeof(struct qxl_head);
drm_mode_config_init(qdev->ddev);
ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
QXL_GEM_DOMAIN_VRAM,
false, false, NULL, &gobj);
@ -890,13 +888,59 @@ int qxl_modeset_init(struct qxl_device *qdev)
return -ENOMEM;
}
qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
if (ret)
return ret;
ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
if (ret) {
qxl_bo_unreserve(qdev->monitors_config_bo);
return ret;
}
qxl_bo_unreserve(qdev->monitors_config_bo);
qxl_bo_kmap(qdev->monitors_config_bo, NULL);
qdev->monitors_config = qdev->monitors_config_bo->kptr;
qdev->ram_header->monitors_config =
qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
memset(qdev->monitors_config, 0, monitors_config_size);
qdev->monitors_config->max_allowed = max_allowed;
return 0;
}
int qxl_destroy_monitors_object(struct qxl_device *qdev)
{
int ret;
qdev->monitors_config = NULL;
qdev->ram_header->monitors_config = 0;
qxl_bo_kunmap(qdev->monitors_config_bo);
ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
if (ret)
return ret;
qxl_bo_unpin(qdev->monitors_config_bo);
qxl_bo_unreserve(qdev->monitors_config_bo);
qxl_bo_unref(&qdev->monitors_config_bo);
return 0;
}
int qxl_modeset_init(struct qxl_device *qdev)
{
int i;
int ret;
drm_mode_config_init(qdev->ddev);
ret = qxl_create_monitors_object(qdev);
if (ret)
return ret;
qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs;
@ -924,6 +968,8 @@ int qxl_modeset_init(struct qxl_device *qdev)
void qxl_modeset_fini(struct qxl_device *qdev)
{
qxl_fbdev_fini(qdev);
qxl_destroy_monitors_object(qdev);
if (qdev->mode_info.mode_config_initialized) {
drm_mode_config_cleanup(qdev->ddev);
qdev->mode_info.mode_config_initialized = false;

2
drivers/gpu/drm/qxl/qxl_drv.h
View File

@ -374,6 +374,8 @@ qxl_framebuffer_init(struct drm_device *dev,
struct drm_gem_object *obj);
void qxl_display_read_client_monitors_config(struct qxl_device *qdev);
void qxl_send_monitors_config(struct qxl_device *qdev);
int qxl_create_monitors_object(struct qxl_device *qdev);
int qxl_destroy_monitors_object(struct qxl_device *qdev);
/* used by qxl_debugfs only */
void qxl_crtc_set_from_monitors_config(struct qxl_device *qdev);