* Correct degamma coefficients * Optimize bandwidth on following fast update * Fix multiple memory leaks reported by coverity * Get backlight from PWM if DMCU is not initialized Acked-by: Mikita Lipski <mikita.lipski@amd.com> Signed-off-by: Aric Cyr <aric.cyr@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>