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
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