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-rw-r--r--include/drm/drm_crtc.h122
1 files changed, 99 insertions, 23 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 59b51a09cae6..66278ffeebd6 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -25,37 +25,24 @@
#ifndef __DRM_CRTC_H__
#define __DRM_CRTC_H__
-#include <linux/i2c.h>
#include <linux/spinlock.h>
#include <linux/types.h>
-#include <linux/fb.h>
-#include <linux/hdmi.h>
-#include <linux/media-bus-format.h>
-#include <uapi/drm/drm_mode.h>
-#include <uapi/drm/drm_fourcc.h>
#include <drm/drm_modeset_lock.h>
-#include <drm/drm_rect.h>
#include <drm/drm_mode_object.h>
-#include <drm/drm_framebuffer.h>
#include <drm/drm_modes.h>
-#include <drm/drm_connector.h>
#include <drm/drm_device.h>
-#include <drm/drm_property.h>
-#include <drm/drm_edid.h>
#include <drm/drm_plane.h>
-#include <drm/drm_blend.h>
-#include <drm/drm_color_mgmt.h>
#include <drm/drm_debugfs_crc.h>
#include <drm/drm_mode_config.h>
+struct drm_connector;
struct drm_device;
+struct drm_framebuffer;
struct drm_mode_set;
struct drm_file;
-struct drm_clip_rect;
struct drm_printer;
struct drm_self_refresh_data;
struct device_node;
-struct dma_fence;
struct edid;
static inline int64_t U642I64(uint64_t val)
@@ -90,11 +77,6 @@ struct drm_plane_helper_funcs;
* intended to indicate whether a full modeset is needed, rather than strictly
* describing what has changed in a commit. See also:
* drm_atomic_crtc_needs_modeset()
- *
- * WARNING: Transitional helpers (like drm_helper_crtc_mode_set() or
- * drm_helper_crtc_mode_set_base()) do not maintain many of the derived control
- * state like @plane_mask so drivers not converted over to atomic helpers should
- * not rely on these being accurate!
*/
struct drm_crtc_state {
/** @crtc: backpointer to the CRTC */
@@ -204,7 +186,7 @@ struct drm_crtc_state {
* this case the driver will send the VBLANK event on its own when the
* writeback job is complete.
*/
- bool no_vblank : 1;
+ bool no_vblank;
/**
* @plane_mask: Bitmask of drm_plane_mask(plane) of planes attached to
@@ -285,6 +267,10 @@ struct drm_crtc_state {
* Lookup table for converting pixel data after the color conversion
* matrix @ctm. See drm_crtc_enable_color_mgmt(). The blob (if not
* NULL) is an array of &struct drm_color_lut.
+ *
+ * Note that for mostly historical reasons stemming from Xorg heritage,
+ * this is also used to store the color map (also sometimes color lut,
+ * CLUT or color palette) for indexed formats like DRM_FORMAT_C8.
*/
struct drm_property_blob *gamma_lut;
@@ -325,6 +311,24 @@ struct drm_crtc_state {
bool self_refresh_active;
/**
+ * @scaling_filter:
+ *
+ * Scaling filter to be applied
+ */
+ enum drm_scaling_filter scaling_filter;
+
+ /**
+ * @sharpness_strength:
+ *
+ * Used by the user to set the sharpness intensity.
+ * The value ranges from 0-255.
+ * Default value is 0 which disable the sharpness feature.
+ * Any value greater than 0 enables sharpening with the
+ * specified strength.
+ */
+ u8 sharpness_strength;
+
+ /**
* @event:
*
* Optional pointer to a DRM event to signal upon completion of the
@@ -1068,12 +1072,18 @@ struct drm_crtc {
/**
* @gamma_size: Size of legacy gamma ramp reported to userspace. Set up
* by calling drm_mode_crtc_set_gamma_size().
+ *
+ * Note that atomic drivers need to instead use
+ * &drm_crtc_state.gamma_lut. See drm_crtc_enable_color_mgmt().
*/
uint32_t gamma_size;
/**
* @gamma_store: Gamma ramp values used by the legacy SETGAMMA and
* GETGAMMA IOCTls. Set up by calling drm_mode_crtc_set_gamma_size().
+ *
+ * Note that atomic drivers need to instead use
+ * &drm_crtc_state.gamma_lut. See drm_crtc_enable_color_mgmt().
*/
uint16_t *gamma_store;
@@ -1084,6 +1094,18 @@ struct drm_crtc {
struct drm_object_properties properties;
/**
+ * @scaling_filter_property: property to apply a particular filter while
+ * scaling.
+ */
+ struct drm_property *scaling_filter_property;
+
+ /**
+ * @sharpness_strength_property: property to apply
+ * the intensity of the sharpness requested.
+ */
+ struct drm_property *sharpness_strength_property;
+
+ /**
* @state:
*
* Current atomic state for this CRTC.
@@ -1122,14 +1144,12 @@ struct drm_crtc {
*/
spinlock_t commit_lock;
-#ifdef CONFIG_DEBUG_FS
/**
* @debugfs_entry:
*
* Debugfs directory for this CRTC.
*/
struct dentry *debugfs_entry;
-#endif
/**
* @crc:
@@ -1208,8 +1228,50 @@ int drm_crtc_init_with_planes(struct drm_device *dev,
struct drm_plane *cursor,
const struct drm_crtc_funcs *funcs,
const char *name, ...);
+
+__printf(6, 7)
+int drmm_crtc_init_with_planes(struct drm_device *dev,
+ struct drm_crtc *crtc,
+ struct drm_plane *primary,
+ struct drm_plane *cursor,
+ const struct drm_crtc_funcs *funcs,
+ const char *name, ...);
+
void drm_crtc_cleanup(struct drm_crtc *crtc);
+__printf(7, 8)
+void *__drmm_crtc_alloc_with_planes(struct drm_device *dev,
+ size_t size, size_t offset,
+ struct drm_plane *primary,
+ struct drm_plane *cursor,
+ const struct drm_crtc_funcs *funcs,
+ const char *name, ...);
+
+/**
+ * drmm_crtc_alloc_with_planes - Allocate and initialize a new CRTC object with
+ * specified primary and cursor planes.
+ * @dev: DRM device
+ * @type: the type of the struct which contains struct &drm_crtc
+ * @member: the name of the &drm_crtc within @type.
+ * @primary: Primary plane for CRTC
+ * @cursor: Cursor plane for CRTC
+ * @funcs: callbacks for the new CRTC
+ * @name: printf style format string for the CRTC name, or NULL for default name
+ *
+ * Allocates and initializes a new crtc object. Cleanup is automatically
+ * handled through registering drmm_crtc_cleanup() with drmm_add_action().
+ *
+ * The @drm_crtc_funcs.destroy hook must be NULL.
+ *
+ * Returns:
+ * Pointer to new crtc, or ERR_PTR on failure.
+ */
+#define drmm_crtc_alloc_with_planes(dev, type, member, primary, cursor, funcs, name, ...) \
+ ((type *)__drmm_crtc_alloc_with_planes(dev, sizeof(type), \
+ offsetof(type, member), \
+ primary, cursor, funcs, \
+ name, ##__VA_ARGS__))
+
/**
* drm_crtc_index - find the index of a registered CRTC
* @crtc: CRTC to find index for
@@ -1266,4 +1328,18 @@ static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev,
#define drm_for_each_crtc(crtc, dev) \
list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head)
+/**
+ * drm_for_each_crtc_reverse - iterate over all CRTCs in reverse order
+ * @crtc: a &struct drm_crtc as the loop cursor
+ * @dev: the &struct drm_device
+ *
+ * Iterate over all CRTCs of @dev.
+ */
+#define drm_for_each_crtc_reverse(crtc, dev) \
+ list_for_each_entry_reverse(crtc, &(dev)->mode_config.crtc_list, head)
+
+int drm_crtc_create_scaling_filter_property(struct drm_crtc *crtc,
+ unsigned int supported_filters);
+bool drm_crtc_in_clone_mode(struct drm_crtc_state *crtc_state);
+int drm_crtc_create_sharpness_strength_property(struct drm_crtc *crtc);
#endif /* __DRM_CRTC_H__ */