Rebase since this is not applied cleanly now. This patch set contain 6 patches. - First two patches allow enable DPCD backlight control when panel can also do that via PWM pin and fix the usage of enable register. - Next patch adds enable DBC by default - Next patch makes the driver restore last brightness level after turning display off and on. - Last two patches set the PWM freqency to match data in panel vbt. Change log: v2: - Drop PWM frequency patch - Addess suggestion from Jani Nikula v3: - Add new implementation of PWM frequency patch v4: - Rebase / minor typo fix. Puthikorn Voravootivat (6): drm/i915: Add DPCD preferred mode for backlight control drm/i915: Correctly enable blacklight adjustment via DPCD drm/i915: Support dynamic backlight via DPCD register drm/i915: Store brightness level in aux backlight driver drm: Add definition for eDP backlight frequency drm/i915: Set PWM divider to match desired frequency in vbt drivers/gpu/drm/i915/i915_params.c | 6 +- drivers/gpu/drm/i915/i915_params.h | 2 +- drivers/gpu/drm/i915/intel_dp_aux_backlight.c | 143 +++++++++++++++++++++++--- include/drm/drm_dp_helper.h | 2 + 4 files changed, 133 insertions(+), 20 deletions(-) -- 2.12.2.816.g2cccc81164-goog _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
