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authorThomas Zimmermann <tzimmermann@suse.de>2022-11-24 09:28:05 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2022-11-24 09:28:05 +0100
commit1e5b3968a57d7894d5f86a2ecb58fa057cb6f7b2 (patch)
treea1beadf663bf4a318cccbfba8b4679b5fd0991c7 /drivers/gpu/drm/i915/display/intel_pps.c
parent6fb6c979ca628583d4d0c59a0f8ff977e581ecc0 (diff)
parentd47f9580839eb6fe568e38b2084d94887fbf5ce0 (diff)
Merge drm/drm-next into drm-misc-next
Backmerging to get v6.1-rc6 into drm-misc-next. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_pps.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_pps.c10
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;
}