[00/13] Modify drm helpers to use luminance

Message

Kandpal, Suraj April 14, 2025, 4:16 a.m. UTC

This series modifies drm dp edp helpers so that drivers can now use them
to manipulate brightness using luminance value via the
PANEL_TARGET_LUMINANCE_VALUE register. This feature was
introduced frin eDP 1.5.

Signed-off-by: Suraj Kandpal <[e-mail]>

Suraj Kandpal (13):
  drm/dp: Introduce new member in drm_backlight_info
  drm/dp: Add argument in drm_edp_backlight_init
  drm/dp: Add argument for luminance range info in
    drm_edp_backlight_init
  drm/dp: Move from u16 to u32 for max in drm_edp_backlight_info
  drm/dp: Change current_level argument type to u32
  drm/dp: Modify drm_edp_probe_state
  drm/dp: Change argument type for drm_edp_backlight_set_level
  drm/dp: Modify drm_edp_backlight_set_level
  drm/dp: Change argument type of drm_edp_backlight_enable
  drm/dp: Enable backlight control using luminance
  drm/i915/backlight: Use drm helper to initialize edp backlight
  drm/i915/backlight: Use drm helper to set edp backlight
  drm/i915/backlight: Use drm_edp_backlight_enable

 drivers/gpu/drm/display/drm_dp_helper.c       |  88 ++++++++---
 .../drm/i915/display/intel_dp_aux_backlight.c | 143 ++++++------------
 drivers/gpu/drm/nouveau/dispnv50/disp.c       |   2 +-
 drivers/gpu/drm/nouveau/nouveau_backlight.c   |   9 +-
 include/drm/display/drm_dp_helper.h           |  10 +-
 5 files changed, 126 insertions(+), 126 deletions(-)