These patches add support for Backlight Control using DPCD registers on eDP displays. - Patch 1 Adds macro for DPCD registers capability size to drm_dp_helper.h - Patch 2 Reads the eDP DPCD Display Control capability registers. - Patch 2 Implements functionaly for DPCD Backlight Control Yetunde Adebisi (3): drm/dp: Add definition for Display Control DPCD Registers capability size drm/i915: Read eDP Display control capability registers drm/i915: Add Backlight Control using DPCD for eDP connectors (v9) drivers/gpu/drm/i915/Makefile | 1 + drivers/gpu/drm/i915/i915_params.c | 4 + drivers/gpu/drm/i915/i915_params.h | 1 + drivers/gpu/drm/i915/intel_dp.c | 15 ++- drivers/gpu/drm/i915/intel_dp_aux_backlight.c | 173 ++++++++++++++++++++++++++ drivers/gpu/drm/i915/intel_drv.h | 4 + drivers/gpu/drm/i915/intel_panel.c | 4 + include/drm/drm_dp_helper.h | 1 + 8 files changed, 198 insertions(+), 5 deletions(-) create mode 100644 drivers/gpu/drm/i915/intel_dp_aux_backlight.c -- 1.9.3 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx