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-rw-r--r--drivers/gpu/drm/drm_crtc.c2
-rw-r--r--drivers/gpu/drm/drm_sysfs.c8
-rw-r--r--include/drm/drmP.h10
-rw-r--r--include/drm/drm_crtc.h21
-rw-r--r--include/drm/drm_crtc_helper.h21
5 files changed, 38 insertions, 24 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index da737ef..404597e 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -363,7 +363,7 @@ EXPORT_SYMBOL(drm_framebuffer_cleanup);
* @funcs: callbacks for the new CRTC
*
* LOCKING:
- * Caller must hold mode config lock.
+ * Takes mode_config lock.
*
* Inits a new object created as base part of an driver crtc object.
*
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index c29fa9c..45cf1dd 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -347,17 +347,17 @@ static struct bin_attribute edid_attr = {
};
/**
- * drm_sysfs_connector_add - add an connector to sysfs
+ * drm_sysfs_connector_add - add a connector to sysfs
* @connector: connector to add
*
- * Create an connector device in sysfs, along with its associated connector
+ * Create a connector device in sysfs, along with its associated connector
* properties (so far, connection status, dpms, mode list & edid) and
* generate a hotplug event so userspace knows there's a new connector
* available.
*
* Note:
- * This routine should only be called *once* for each DRM minor registered.
- * A second call for an already registered device will trigger the BUG_ON
+ * This routine should only be called *once* for each registered connector.
+ * A second call for an already registered connector will trigger the BUG_ON
* below.
*/
int drm_sysfs_connector_add(struct drm_connector *connector)
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index efd1249..e14a77c 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -755,11 +755,11 @@ struct drm_driver {
* @dev: DRM device
* @crtc: counter to fetch
*
- * Driver callback for fetching a raw hardware vblank counter
- * for @crtc. If a device doesn't have a hardware counter, the
- * driver can simply return the value of drm_vblank_count and
- * make the enable_vblank() and disable_vblank() hooks into no-ops,
- * leaving interrupts enabled at all times.
+ * Driver callback for fetching a raw hardware vblank counter for @crtc.
+ * If a device doesn't have a hardware counter, the driver can simply
+ * return the value of drm_vblank_count. The DRM core will account for
+ * missed vblank events while interrupts where disabled based on system
+ * timestamps.
*
* Wraparound handling and loss of events due to modesetting is dealt
* with in the DRM core code.
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index d59bb7d..3ecee19 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -294,20 +294,16 @@ struct drm_plane;
/**
* drm_crtc_funcs - control CRTCs for a given device
- * @reset: reset CRTC after state has been invalidate (e.g. resume)
- * @dpms: control display power levels
* @save: save CRTC state
- * @resore: restore CRTC state
- * @lock: lock the CRTC
- * @unlock: unlock the CRTC
- * @shadow_allocate: allocate shadow pixmap
- * @shadow_create: create shadow pixmap for rotation support
- * @shadow_destroy: free shadow pixmap
- * @mode_fixup: fixup proposed mode
- * @mode_set: set the desired mode on the CRTC
+ * @restore: restore CRTC state
+ * @reset: reset CRTC after state has been invalidate (e.g. resume)
+ * @cursor_set: setup the cursor
+ * @cursor_move: move the cursor
* @gamma_set: specify color ramp for CRTC
* @destroy: deinit and free object
* @set_property: called when a property is changed
+ * @set_config: apply a new CRTC configuration
+ * @page_flip: initiate a page flip
*
* The drm_crtc_funcs structure is the central CRTC management structure
* in the DRM. Each CRTC controls one or more connectors (note that the name
@@ -420,11 +416,8 @@ struct drm_crtc {
* @save: save connector state
* @restore: restore connector state
* @reset: reset connector after state has been invalidate (e.g. resume)
- * @mode_valid: is this mode valid on the given connector?
- * @mode_fixup: try to fixup proposed mode for this connector
- * @mode_set: set this mode
* @detect: is this connector active?
- * @get_modes: get mode list for this connector
+ * @fill_modes: fill mode list for this connector
* @set_property: property for this connector may need update
* @destroy: make object go away
* @force: notify the driver the connector is forced on
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index 3add00e..7988e55 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -44,6 +44,13 @@ enum mode_set_atomic {
ENTER_ATOMIC_MODE_SET,
};
+/**
+ * drm_crtc_helper_funcs - helper operations for CRTCs
+ * @mode_fixup: try to fixup proposed mode for this connector
+ * @mode_set: set this mode
+ *
+ * The helper operations are called by the mid-layer CRTC helper.
+ */
struct drm_crtc_helper_funcs {
/*
* Control power levels on the CRTC. If the mode passed in is
@@ -76,6 +83,13 @@ struct drm_crtc_helper_funcs {
void (*disable)(struct drm_crtc *crtc);
};
+/**
+ * drm_encoder_helper_funcs - helper operations for encoders
+ * @mode_fixup: try to fixup proposed mode for this connector
+ * @mode_set: set this mode
+ *
+ * The helper operations are called by the mid-layer CRTC helper.
+ */
struct drm_encoder_helper_funcs {
void (*dpms)(struct drm_encoder *encoder, int mode);
void (*save)(struct drm_encoder *encoder);
@@ -97,6 +111,13 @@ struct drm_encoder_helper_funcs {
void (*disable)(struct drm_encoder *encoder);
};
+/**
+ * drm_connector_helper_funcs - helper operations for connectors
+ * @get_modes: get mode list for this connector
+ * @mode_valid: is this mode valid on the given connector?
+ *
+ * The helper operations are called by the mid-layer CRTC helper.
+ */
struct drm_connector_helper_funcs {
int (*get_modes)(struct drm_connector *connector);
int (*mode_valid)(struct drm_connector *connector,
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