> -----Original Message----- > From: Deepak, M > Sent: Tuesday, March 01, 2016 9:04 AM > To: dri-devel@xxxxxxxxxxxxxxxxxxxxx > Cc: Deepak, M; Nikula, Jani; Vetter, Daniel; Adebisi, YetundeX > Subject: [CABC PATCH 0/2] CABC patch list > > CABC stands for the Content Adaptive Backlight Control. > In the normal display the backlight which we see is due to the > backlight which is being modulated by the filter, which is inturn > dependent on the image. In brief the CABC does the histogram > analysis of the image and then controls the filter and backlight. > For example in CABC to display the dark image the backlight is dimmed > and then controlls the filter to allow more light, because of > which is power consuption will be reduced. > > Below are the initial set of patches which supports the CABC. > A field exits in the mipi configuration of the VBT which Should be *exists* > when enabled indiactes the CABC is supported. Depending on Should be *indicates* > this filed the backlight control function pointer are Should be *field* > initialized in the intel_panel.c file. > > In case of dual link panels depending on the panel > the DCS commands have to be send to either PORT A, > PORT C or both PORT A and PORT C. Again a filed is Should be *field* > added in the VBT to get this data from the version 197 onwards. > One of the below patches parses these fields from the > VBT. > > Addressed the review comments of Jani, which were mentioned in > the below > https://lists.freedesktop.org/archives/intel-gfx/2015- > November/081233.html > > Cc: Jani Nikula <jani.nikula@xxxxxxxxx> > Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx> > Cc: Yetunde Adebisi <yetundex.adebisi@xxxxxxxxx> > > > Deepak M (2): > drm/i915: Parsing the PWM cntrl and CABC ON/OFF fileds in VBT > drm/i915: CABC support for backlight control > > drivers/gpu/drm/i915/Makefile | 1 + > drivers/gpu/drm/i915/i915_drv.h | 2 +- > drivers/gpu/drm/i915/intel_bios.c | 10 ++ > drivers/gpu/drm/i915/intel_bios.h | 5 +- > drivers/gpu/drm/i915/intel_dsi.c | 17 +++- > drivers/gpu/drm/i915/intel_dsi.h | 13 +++ > drivers/gpu/drm/i915/intel_dsi_cabc.c | 179 > ++++++++++++++++++++++++++++++++++ > drivers/gpu/drm/i915/intel_panel.c | 4 + > 8 files changed, 228 insertions(+), 3 deletions(-) > create mode 100644 drivers/gpu/drm/i915/intel_dsi_cabc.c > > -- > 1.9.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
