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authorDaniel Vetter <daniel.vetter@ffwll.ch>2016-09-21 10:59:29 +0200
committerSean Paul <seanpaul@chromium.org>2016-09-22 00:04:03 -0700
commita6acccf8ef222aa4b4622cdf82aa97e1b6700b92 (patch)
tree5967927f0b2744bfd6c4522a934d55c0729bfa52 /include/drm
parentf1e2f66ce2d9f732fec184ab885fba4b53c06016 (diff)
drm/doc: Document color space handling
Again move it from the unmaintainable csv into DOC free-form overview sections. v2: Types Lionel&Sean spotted. Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/1474448370-32227-6-git-send-email-daniel.vetter@ffwll.ch
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_color_mgmt.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h
index 1e01c58bbe81..c767238ac9d5 100644
--- a/include/drm/drm_color_mgmt.h
+++ b/include/drm/drm_color_mgmt.h
@@ -33,9 +33,14 @@ void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc,
int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
int gamma_size);
-/*
- * Extract a degamma/gamma LUT value provided by user and round it to the
- * precision supported by the hardware.
+/**
+ * drm_color_lut_extract - clamp&round LUT entries
+ * @user_input: input value
+ * @bit_precision: number of bits the hw LUT supports
+ *
+ * Extract a degamma/gamma LUT value provided by user (in the form of
+ * &drm_color_lut entries) and round it to the precision supported by the
+ * hardware.
*/
static inline uint32_t drm_color_lut_extract(uint32_t user_input,
uint32_t bit_precision)