[Intel-gfx] [v2 0/7] Add Multi Segment Gamma Support

Uma Shankar uma.shankar at intel.com
Mon Apr 1 17:30:04 UTC 2019

This series adds support for programmable gamma modes and
exposes a property interface for the same. Also added,
support for multi segment gamma mode introduced in ICL+

It creates 2 property interfaces :
1. GAMMA_MODE_CAPS: This is immutable property and exposes
the various gamma modes supported and the lut ranges. This
is an enum property with element as blob id. Getting the
blob id in userspace, user can get the mode supported and
also the range of gamma mode supported with number of lut

2. GAMMA_MODE: This is for user to set the gamma mode and
send the lut values for that particular mode.

v2: Used Ville's design and approach to define the interfaces.
Addressed Matt Roper's review feedback and re-ordered the

Uma Shankar (5):
  drm: Add gamma mode property
  drm/i915/icl: Add register definitions for Multi Segmented gamma
  drm/i915/icl: Add support for multi segmented gamma mode
  drm/i915: Add gamma mode caps property
  drm/i915: Attach gamma mode property

Ville Syrjälä (2):
  drm: Add gamma mode caps property
  drm/i915: Define color lut range structure

 drivers/gpu/drm/drm_atomic_uapi.c    |  13 +
 drivers/gpu/drm/drm_color_mgmt.c     | 110 +++++++++
 drivers/gpu/drm/i915/i915_reg.h      |  17 ++
 drivers/gpu/drm/i915/intel_color.c   | 465 ++++++++++++++++++++++++++++++++++-
 drivers/gpu/drm/i915/intel_display.c |   5 +
 include/drm/drm_color_mgmt.h         |  11 +
 include/drm/drm_crtc.h               |  17 ++
 include/drm/drm_mode_config.h        |  10 +
 include/uapi/drm/drm_mode.h          |  49 ++++
 9 files changed, 690 insertions(+), 7 deletions(-)


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