Merge tag 'rproc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc...

[linux-2.6-microblaze.git] / include / drm / drm_crtc.h

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 13eeba2..a70baea 100644 (file)
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -285,6 +285,10 @@ 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;
 
@@ -1075,12 +1079,18 @@ 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;
 
@@ -1135,14 +1145,12 @@ struct drm_crtc {
         */
        spinlock_t commit_lock;
 
-#ifdef CONFIG_DEBUG_FS
        /**
         * @debugfs_entry:
         *
         * Debugfs directory for this CRTC.
         */
        struct dentry *debugfs_entry;
-#endif
 
        /**
         * @crc: