diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dsi.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_dsi.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dsi.c b/drivers/gpu/drm/i915/display/intel_dsi.c index 5efdd471ac2b..d3cf6a652221 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi.c +++ b/drivers/gpu/drm/i915/display/intel_dsi.c @@ -9,6 +9,26 @@ #include "intel_dsi.h" #include "intel_panel.h" +void intel_dsi_wait_panel_power_cycle(struct intel_dsi *intel_dsi) +{ + ktime_t panel_power_on_time; + s64 panel_power_off_duration; + + panel_power_on_time = ktime_get_boottime(); + panel_power_off_duration = ktime_ms_delta(panel_power_on_time, + intel_dsi->panel_power_off_time); + + if (panel_power_off_duration < (s64)intel_dsi->panel_pwr_cycle_delay) + msleep(intel_dsi->panel_pwr_cycle_delay - panel_power_off_duration); +} + +void intel_dsi_shutdown(struct intel_encoder *encoder) +{ + struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder); + + intel_dsi_wait_panel_power_cycle(intel_dsi); +} + int intel_dsi_bitrate(const struct intel_dsi *intel_dsi) { int bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format); |