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-rw-r--r--drivers/gpu/drm/drm_crtc.c98
-rw-r--r--include/drm/drm_crtc.h49
2 files changed, 67 insertions, 80 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index 3cbf08b20413..ba6174fc117c 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -692,7 +692,7 @@ int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc,
crtc->base.properties = &crtc->properties;
list_add_tail(&crtc->head, &config->crtc_list);
- config->num_crtc++;
+ crtc->index = config->num_crtc++;
crtc->primary = primary;
crtc->cursor = cursor;
@@ -722,6 +722,11 @@ void drm_crtc_cleanup(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
+ /* Note that the crtc_list is considered to be static; should we
+ * remove the drm_crtc at runtime we would have to decrement all
+ * the indices on the drm_crtc after us in the crtc_list.
+ */
+
kfree(crtc->gamma_store);
crtc->gamma_store = NULL;
@@ -741,29 +746,6 @@ void drm_crtc_cleanup(struct drm_crtc *crtc)
}
EXPORT_SYMBOL(drm_crtc_cleanup);
-/**
- * drm_crtc_index - find the index of a registered CRTC
- * @crtc: CRTC to find index for
- *
- * Given a registered CRTC, return the index of that CRTC within a DRM
- * device's list of CRTCs.
- */
-unsigned int drm_crtc_index(struct drm_crtc *crtc)
-{
- unsigned int index = 0;
- struct drm_crtc *tmp;
-
- drm_for_each_crtc(tmp, crtc->dev) {
- if (tmp == crtc)
- return index;
-
- index++;
- }
-
- BUG();
-}
-EXPORT_SYMBOL(drm_crtc_index);
-
/*
* drm_mode_remove - remove and free a mode
* @connector: connector list to modify
@@ -1166,7 +1148,7 @@ int drm_encoder_init(struct drm_device *dev,
}
list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
- dev->mode_config.num_encoder++;
+ encoder->index = dev->mode_config.num_encoder++;
out_put:
if (ret)
@@ -1180,29 +1162,6 @@ out_unlock:
EXPORT_SYMBOL(drm_encoder_init);
/**
- * drm_encoder_index - find the index of a registered encoder
- * @encoder: encoder to find index for
- *
- * Given a registered encoder, return the index of that encoder within a DRM
- * device's list of encoders.
- */
-unsigned int drm_encoder_index(struct drm_encoder *encoder)
-{
- unsigned int index = 0;
- struct drm_encoder *tmp;
-
- drm_for_each_encoder(tmp, encoder->dev) {
- if (tmp == encoder)
- return index;
-
- index++;
- }
-
- BUG();
-}
-EXPORT_SYMBOL(drm_encoder_index);
-
-/**
* drm_encoder_cleanup - cleans up an initialised encoder
* @encoder: encoder to cleanup
*
@@ -1212,6 +1171,11 @@ void drm_encoder_cleanup(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
+ /* Note that the encoder_list is considered to be static; should we
+ * remove the drm_encoder at runtime we would have to decrement all
+ * the indices on the drm_encoder after us in the encoder_list.
+ */
+
drm_modeset_lock_all(dev);
drm_mode_object_unregister(dev, &encoder->base);
kfree(encoder->name);
@@ -1300,7 +1264,7 @@ int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane,
plane->type = type;
list_add_tail(&plane->head, &config->plane_list);
- config->num_total_plane++;
+ plane->index = config->num_total_plane++;
if (plane->type == DRM_PLANE_TYPE_OVERLAY)
config->num_overlay_plane++;
@@ -1374,6 +1338,11 @@ void drm_plane_cleanup(struct drm_plane *plane)
BUG_ON(list_empty(&plane->head));
+ /* Note that the plane_list is considered to be static; should we
+ * remove the drm_plane at runtime we would have to decrement all
+ * the indices on the drm_plane after us in the plane_list.
+ */
+
list_del(&plane->head);
dev->mode_config.num_total_plane--;
if (plane->type == DRM_PLANE_TYPE_OVERLAY)
@@ -1391,29 +1360,6 @@ void drm_plane_cleanup(struct drm_plane *plane)
EXPORT_SYMBOL(drm_plane_cleanup);
/**
- * drm_plane_index - find the index of a registered plane
- * @plane: plane to find index for
- *
- * Given a registered plane, return the index of that CRTC within a DRM
- * device's list of planes.
- */
-unsigned int drm_plane_index(struct drm_plane *plane)
-{
- unsigned int index = 0;
- struct drm_plane *tmp;
-
- drm_for_each_plane(tmp, plane->dev) {
- if (tmp == plane)
- return index;
-
- index++;
- }
-
- BUG();
-}
-EXPORT_SYMBOL(drm_plane_index);
-
-/**
* drm_plane_from_index - find the registered plane at an index
* @dev: DRM device
* @idx: index of registered plane to find for
@@ -1425,13 +1371,11 @@ struct drm_plane *
drm_plane_from_index(struct drm_device *dev, int idx)
{
struct drm_plane *plane;
- unsigned int i = 0;
- drm_for_each_plane(plane, dev) {
- if (i == idx)
+ drm_for_each_plane(plane, dev)
+ if (idx == plane->index)
return plane;
- i++;
- }
+
return NULL;
}
EXPORT_SYMBOL(drm_plane_from_index);
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 07a410144b07..e690021ce4cc 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -753,6 +753,9 @@ struct drm_crtc {
struct drm_plane *primary;
struct drm_plane *cursor;
+ /* position inside the mode_config.list, can be used as a [] idx */
+ unsigned index;
+
/* position of cursor plane on crtc */
int cursor_x;
int cursor_y;
@@ -1097,6 +1100,10 @@ struct drm_encoder {
struct drm_mode_object base;
char *name;
int encoder_type;
+
+ /* position inside the mode_config.list, can be used as a [] idx */
+ unsigned index;
+
uint32_t possible_crtcs;
uint32_t possible_clones;
@@ -1543,6 +1550,9 @@ struct drm_plane {
enum drm_plane_type type;
+ /* position inside the mode_config.list, can be used as a [] idx */
+ unsigned index;
+
const struct drm_plane_helper_funcs *helper_private;
struct drm_plane_state *state;
@@ -2240,7 +2250,18 @@ int drm_crtc_init_with_planes(struct drm_device *dev,
const struct drm_crtc_funcs *funcs,
const char *name, ...);
extern void drm_crtc_cleanup(struct drm_crtc *crtc);
-extern unsigned int drm_crtc_index(struct drm_crtc *crtc);
+
+/**
+ * drm_crtc_index - find the index of a registered CRTC
+ * @crtc: CRTC to find index for
+ *
+ * Given a registered CRTC, return the index of that CRTC within a DRM
+ * device's list of CRTCs.
+ */
+static inline unsigned int drm_crtc_index(struct drm_crtc *crtc)
+{
+ return crtc->index;
+}
/**
* drm_crtc_mask - find the mask of a registered CRTC
@@ -2294,7 +2315,18 @@ int drm_encoder_init(struct drm_device *dev,
struct drm_encoder *encoder,
const struct drm_encoder_funcs *funcs,
int encoder_type, const char *name, ...);
-extern unsigned int drm_encoder_index(struct drm_encoder *encoder);
+
+/**
+ * drm_encoder_index - find the index of a registered encoder
+ * @encoder: encoder to find index for
+ *
+ * Given a registered encoder, return the index of that encoder within a DRM
+ * device's list of encoders.
+ */
+static inline unsigned int drm_encoder_index(struct drm_encoder *encoder)
+{
+ return encoder->index;
+}
/**
* drm_encoder_crtc_ok - can a given crtc drive a given encoder?
@@ -2325,7 +2357,18 @@ extern int drm_plane_init(struct drm_device *dev,
const uint32_t *formats, unsigned int format_count,
bool is_primary);
extern void drm_plane_cleanup(struct drm_plane *plane);
-extern unsigned int drm_plane_index(struct drm_plane *plane);
+
+/**
+ * drm_plane_index - find the index of a registered plane
+ * @plane: plane to find index for
+ *
+ * Given a registered plane, return the index of that plane within a DRM
+ * device's list of planes.
+ */
+static inline unsigned int drm_plane_index(struct drm_plane *plane)
+{
+ return plane->index;
+}
extern struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx);
extern void drm_plane_force_disable(struct drm_plane *plane);
extern int drm_plane_check_pixel_format(const struct drm_plane *plane,