Hi Uma, Any progress on userspace for this? I was thinking on working on using this in drm_hwcomposer. Thank you, Alex Gheorghe On Fri, Mar 09, 2018 at 11:47:41PM +0530, Uma Shankar wrote: > This patch series adds properties for plane color features. It adds > properties for degamma used to linearize data, CSC used for gamut > conversion, and gamma used to again non-linearize data as per panel > supported color space. These can be utilize by user space to convert > planes from one format to another, one color space to another etc. > > Usersapce can take smart blending decisions and utilize these hardware > supported plane color features to get accurate color profile. The same > can help in consistent color quality from source to panel taking > advantage of advanced color features in hardware. > > These patches just add the property interfaces and enable helper > functions. > > This series adds Intel Gen9 specific plane gamma feature. We can > build up and add other platform/hardware specific implementation > on top of this series > > Note: This is just to get a design feedback whether these interfaces > look ok. Based on community feedback on interfaces, we will implement > IGT tests to validate plane color features. This is un-tested currently. > Also, userspace implementation to use these properties is currently not > available. > > v2: Dropped legacy gamma table for plane as suggested by Maarten. Added > Gen9/BDW plane gamma feature and rebase on tot. > > v3: Added a new drm_color_lut_ext structure to accommodate 32 bit precision > entries, pointed to by Brian, Starkey for HDR usecases. Addressed Sean,Paul > comments and moved plane color properties to drm_plane instead of > mode_config. Added property documentation as suggested by Daniel, Vetter. > Fixed a rebase fumble which occurred in v2, pointed by Emil Velikov. > > Uma Shankar (8): > drm: Add Enhanced Gamma LUT precision structure > drm: Add Plane Degamma properties > drm: Add Plane CTM property > drm: Add Plane Gamma properties > drm: Define helper function for plane color enabling > drm/i915: Enable plane color features > drm/i915: Implement Plane Gamma for Bdw and Gen9 platforms > drm/i915: Load plane color luts from atomic flip > > Documentation/gpu/drm-kms.rst | 18 ++++ > drivers/gpu/drm/drm_atomic.c | 30 +++++++ > drivers/gpu/drm/drm_atomic_helper.c | 12 +++ > drivers/gpu/drm/drm_plane.c | 131 ++++++++++++++++++++++++++++++ > drivers/gpu/drm/i915/i915_drv.h | 5 ++ > drivers/gpu/drm/i915/i915_pci.c | 5 +- > drivers/gpu/drm/i915/i915_reg.h | 24 ++++++ > drivers/gpu/drm/i915/intel_atomic_plane.c | 4 + > drivers/gpu/drm/i915/intel_color.c | 80 ++++++++++++++++++ > drivers/gpu/drm/i915/intel_device_info.h | 5 ++ > drivers/gpu/drm/i915/intel_display.c | 4 + > drivers/gpu/drm/i915/intel_drv.h | 10 +++ > drivers/gpu/drm/i915/intel_sprite.c | 4 + > include/drm/drm_color_mgmt.h | 5 ++ > include/drm/drm_plane.h | 66 +++++++++++++++ > include/uapi/drm/drm_mode.h | 15 ++++ > 16 files changed, 417 insertions(+), 1 deletion(-) > > -- > 1.9.1 > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Cheers, Alex G _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
