diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_pps.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_pps.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_pps.c b/drivers/gpu/drm/i915/display/intel_pps.c index 21944f5bf3a8..9bbf41a076f7 100644 --- a/drivers/gpu/drm/i915/display/intel_pps.c +++ b/drivers/gpu/drm/i915/display/intel_pps.c @@ -5,10 +5,12 @@ #include "g4x_dp.h" #include "i915_drv.h" +#include "i915_reg.h" #include "intel_de.h" #include "intel_display_power_well.h" #include "intel_display_types.h" #include "intel_dp.h" +#include "intel_dpio_phy.h" #include "intel_dpll.h" #include "intel_lvds.h" #include "intel_pps.h" @@ -1098,7 +1100,13 @@ bool intel_pps_have_panel_power_or_vdd(struct intel_dp *intel_dp) static void pps_init_timestamps(struct intel_dp *intel_dp) { - intel_dp->pps.panel_power_off_time = ktime_get_boottime(); + /* + * Initialize panel power off time to 0, assuming panel power could have + * been toggled between kernel boot and now only by a previously loaded + * and removed i915, which has already ensured sufficient power off + * delay at module remove. + */ + intel_dp->pps.panel_power_off_time = 0; intel_dp->pps.last_power_on = jiffies; intel_dp->pps.last_backlight_off = jiffies; } |