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drm: modesetting unify the hotplug init paths a lot.

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remove fb callbacks, just probe into the driver to sort it out
This commit is contained in:
Dave Airlie 2008-06-05 13:40:08 +10:00
parent 56a1293184
commit f73e54bbf0
5 changed files with 19 additions and 96 deletions
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4
linux-core/drmP.h
View file

@ -742,10 +742,6 @@ struct drm_driver {
void (*set_version) (struct drm_device *dev,
struct drm_set_version *sv);
/* FB routines, if present */
int (*fb_probe)(struct drm_device *dev);
int (*fb_resize)(struct drm_device *dev, struct drm_crtc *crtc);
/* Master routines */
int (*master_create)(struct drm_device *dev, struct drm_master *master);
void (*master_destroy)(struct drm_device *dev, struct drm_master *master);

1
linux-core/drm_crtc.h
View file

@ -525,6 +525,7 @@ struct drm_mode_set
struct drm_mode_config_funcs {
bool (*resize_fb)(struct drm_device *dev, struct drm_framebuffer *fb);
struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
void (*fb_changed)(struct drm_device *dev);
};
struct drm_mode_group {

107
linux-core/drm_crtc_helper.c
View file

@ -496,6 +496,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
crtc_funcs = set->crtc->helper_private;
DRM_DEBUG("crtc: %p fb: %p connectors: %p num_connectors: %i (x, y) (%i, %i)\n", set->crtc, set->fb, set->connectors, set->num_connectors, set->x, set->y);
dev = set->crtc->dev;
/* save previous config */
@ -532,7 +533,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
save_encoders[count++] = connector->encoder;
new_encoder = NULL;
new_encoder = connector->encoder;
for (ro = 0; ro < set->num_connectors; ro++) {
if (set->connectors[ro] == connector) {
new_encoder = connector_funcs->best_encoder(connector);
@ -626,6 +627,20 @@ fail_no_encoder:
}
EXPORT_SYMBOL(drm_crtc_helper_set_config);
bool drm_helper_plugged_event(struct drm_device *dev)
{
drm_helper_probe_connector_modes(dev, dev->mode_config.max_width, dev->mode_config.max_height);
drm_pick_crtcs(dev);
/* alert the driver fb layer */
dev->mode_config.funcs->fb_changed(dev);
drm_helper_disable_unused_functions(dev);
drm_sysfs_hotplug_event(dev);
return true;
}
/**
* drm_initial_config - setup a sane initial connector configuration
* @dev: DRM device
@ -645,48 +660,7 @@ bool drm_helper_initial_config(struct drm_device *dev, bool can_grow)
{
int ret = false;
mutex_lock(&dev->mode_config.mutex);
drm_helper_probe_connector_modes(dev, dev->mode_config.max_width, dev->mode_config.max_height);
drm_pick_crtcs(dev);
/* use all the info we have to setup the fb */
dev->driver->fb_probe(dev);
#if 0
/* have to do a driver pick here */
/* get the lowest common denom of width height that will fit nicely - size the fb to this
size, however may need a wider stride for crtc alignment */
/* This is a little screwy, as we've already walked the connectors
* above, but it's a little bit of magic too. There's the potential
* for things not to get setup above if an existing device gets
* re-assigned thus confusing the hardware. By walking the connectors
* this fixes up their crtc's.
*/
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct drm_encoder *encoder = connector->encoder;
struct drm_crtc *crtc;
if (!encoder)
continue;
crtc = connector->encoder->crtc;
/* can't setup the connector if there's no assigned mode */
if (!crtc || !crtc->desired_mode)
continue;
dev->driver->fb_probe(dev, crtc, connector);
/* and needs an attached fb */
if (crtc->fb)
drm_crtc_helper_set_mode(crtc, crtc->desired_mode, 0, 0);
}
drm_helper_disable_unused_functions(dev);
#endif
mutex_unlock(&dev->mode_config.mutex);
drm_helper_plugged_event(dev);
return ret;
}
EXPORT_SYMBOL(drm_helper_initial_config);
@ -707,59 +681,14 @@ EXPORT_SYMBOL(drm_helper_initial_config);
int drm_helper_hotplug_stage_two(struct drm_device *dev, struct drm_connector *connector,
bool connected)
{
int has_config = 0;
dev->mode_config.hotplug_counter++;
/* We might want to do something more here */
if (!connected) {
DRM_DEBUG("not connected\n");
return 0;
}
if (connector->encoder) {
if (connector->encoder->crtc && connector->encoder->crtc->desired_mode) {
DRM_DEBUG("drm thinks that the connector already has a config\n");
has_config = 1;
}
}
drm_helper_probe_connector_modes(dev, 2048, 2048);
if (!has_config)
drm_pick_crtcs(dev);
if (!connector->encoder) {
DRM_DEBUG("could not find a desired mode or crtc for connector\n");
return 1;
}
if (!connector->encoder->crtc || !connector->encoder->crtc->desired_mode) {
DRM_DEBUG("could not find a desired mode or crtc for connector\n");
return 1;
}
/* We should really check if there is a fb using this crtc */
if (!has_config)
dev->driver->fb_probe(dev);
else {
dev->driver->fb_resize(dev, connector->encoder->crtc);
#if 0
if (!drm_crtc_set_mode(connector->encoder->crtc, connector->encoder->crtc->desired_mode, 0, 0))
DRM_ERROR("failed to set mode after hotplug\n");
#endif
}
drm_sysfs_hotplug_event(dev);
drm_helper_disable_unused_functions(dev);
drm_helper_plugged_event(dev);
return 0;
}
EXPORT_SYMBOL(drm_helper_hotplug_stage_two);
int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
struct drm_mode_fb_cmd *mode_cmd)
{

2
linux-core/i915_drv.c
View file

@ -594,8 +594,6 @@ static struct drm_driver driver = {
.reclaim_buffers = drm_core_reclaim_buffers,
.get_map_ofs = drm_core_get_map_ofs,
.get_reg_ofs = drm_core_get_reg_ofs,
.fb_probe = intelfb_probe,
.fb_resize = intelfb_resize,
.master_create = i915_master_create,
.master_destroy = i915_master_destroy,
.ioctls = i915_ioctls,

1
linux-core/intel_fb.c
View file

@ -469,7 +469,6 @@ static int intelfb_pan_display(struct fb_var_screeninfo *var,
struct intelfb_par *par = info->par;
struct drm_mode_set *modeset;
int ret = 0;
DRM_DEBUG("\n");
list_for_each_entry(modeset, &par->mode_set_list, head) {
modeset->x = var->xoffset;