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Diffstat (limited to 'include/drm/drm_color_mgmt.h')
-rw-r--r--include/drm/drm_color_mgmt.h27
1 files changed, 2 insertions, 25 deletions
diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h
index c767238ac9d5..bce4a532836d 100644
--- 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