Merge tag 'linux-kselftest-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel...

[karo-tx-linux.git] / include / drm / drm_color_mgmt.h

diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h
index c767238ac9d593f65b279a85b9b5feda8db6cee4..bce4a532836db7cf3eecea19d4fca5086f452518 100644 (file)
--- a/include/drm/drm_color_mgmt.h
+++ b/include/drm/drm_color_mgmt.h
@@ -25,6 +25,8 @@
 
 #include <linux/ctype.h>
 
+uint32_t drm_color_lut_extract(uint32_t user_input, uint32_t bit_precision);
+
 void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc,
                                uint degamma_lut_size,
                                bool has_ctm,
@@ -33,29 +35,4 @@ void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc,
 int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
                                 int gamma_size);
 
-/**
- * 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)
-{
-       uint32_t val = user_input;
-       uint32_t max = 0xffff >> (16 - bit_precision);
-
-       /* Round only if we're not using full precision. */
-       if (bit_precision < 16) {
-               val += 1UL << (16 - bit_precision - 1);
-               val >>= 16 - bit_precision;
-       }
-
-       return clamp_val(val, 0, max);
-}
-
-
 #endif