diff options
| author |   Jani Nikula <jani.nikula@intel.com> | 2017-01-27 16:11:29 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2017-01-27 16:15:06 +0200 |
| commit | 40f62bb75e354dddfd8d7b6d7b96c4ab93cb00f1 (patch) | |
| tree | 8a8aee04553f2a796629cbc1a243470b6279e76d /drivers/gpu | |
| parent | drm/i915: fix use-after-free in page_flip_completed() (diff) | |
Revert "drm/color: un-inline drm_color_lut_extract()"
This reverts commit 2eebe4f2d5f4c91edc37801d828ba29edfbc7722, because I
screwed up and applied it to the wrong branch.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/drm_color_mgmt.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c index 5618f60c7690..789b4c65cd69 100644 --- a/drivers/gpu/drm/drm_color_mgmt.c +++ b/drivers/gpu/drm/drm_color_mgmt.c @@ -88,30 +88,6 @@ */ /** - * 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. - */ -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); -} -EXPORT_SYMBOL(drm_color_lut_extract); - -/** * drm_crtc_enable_color_mgmt - enable color management properties * @crtc: DRM CRTC * @degamma_lut_size: the size of the degamma lut (before CSC) |