mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 15:48:56 +07:00
6295d607ad
And roll them out across drm_* files. The point here isn't code
prettification (it helps with that too) but that some of these lists
aren't static any more. And having macros will gives us a convenient
place to put locking checks into.
I didn't add an iterator for props since that's only used by a
list_for_each_entry_safe in the driver teardown code.
Search&replace was done with the below cocci spatch. Note that there's
a bunch more places that didn't match and which would need some manual
changes, but I've intentially left these out for this mostly automated
patch.
iterator name drm_for_each_crtc;
struct drm_crtc *crtc;
struct drm_device *dev;
expression head;
@@
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ drm_for_each_crtc (crtc, dev) {
...
}
@@
iterator name drm_for_each_encoder;
struct drm_encoder *encoder;
struct drm_device *dev;
expression head;
@@
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ drm_for_each_encoder (encoder, dev) {
...
}
@@
iterator name drm_for_each_fb;
struct drm_framebuffer *fb;
struct drm_device *dev;
expression head;
@@
- list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
+ drm_for_each_fb (fb, dev) {
...
}
@@
iterator name drm_for_each_connector;
struct drm_connector *connector;
struct drm_device *dev;
expression head;
@@
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ drm_for_each_connector (connector, dev) {
...
}
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
#include <linux/export.h>
|
|
#include <linux/list.h>
|
|
#include <linux/of_graph.h>
|
|
#include <drm/drmP.h>
|
|
#include <drm/drm_crtc.h>
|
|
#include <drm/drm_of.h>
|
|
|
|
/**
|
|
* drm_crtc_port_mask - find the mask of a registered CRTC by port OF node
|
|
* @dev: DRM device
|
|
* @port: port OF node
|
|
*
|
|
* Given a port OF node, return the possible mask of the corresponding
|
|
* CRTC within a device's list of CRTCs. Returns zero if not found.
|
|
*/
|
|
static uint32_t drm_crtc_port_mask(struct drm_device *dev,
|
|
struct device_node *port)
|
|
{
|
|
unsigned int index = 0;
|
|
struct drm_crtc *tmp;
|
|
|
|
drm_for_each_crtc(tmp, dev) {
|
|
if (tmp->port == port)
|
|
return 1 << index;
|
|
|
|
index++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* drm_of_find_possible_crtcs - find the possible CRTCs for an encoder port
|
|
* @dev: DRM device
|
|
* @port: encoder port to scan for endpoints
|
|
*
|
|
* Scan all endpoints attached to a port, locate their attached CRTCs,
|
|
* and generate the DRM mask of CRTCs which may be attached to this
|
|
* encoder.
|
|
*
|
|
* See Documentation/devicetree/bindings/graph.txt for the bindings.
|
|
*/
|
|
uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
|
|
struct device_node *port)
|
|
{
|
|
struct device_node *remote_port, *ep;
|
|
uint32_t possible_crtcs = 0;
|
|
|
|
for_each_endpoint_of_node(port, ep) {
|
|
remote_port = of_graph_get_remote_port(ep);
|
|
if (!remote_port) {
|
|
of_node_put(ep);
|
|
return 0;
|
|
}
|
|
|
|
possible_crtcs |= drm_crtc_port_mask(dev, remote_port);
|
|
|
|
of_node_put(remote_port);
|
|
}
|
|
|
|
return possible_crtcs;
|
|
}
|
|
EXPORT_SYMBOL(drm_of_find_possible_crtcs);
|