From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Plug in the encoder->shutdown() hook for icl+ DSI so that we are guaranteed to respect the power cycle delay during reboots and whatnot. Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/display/icl_dsi.c | 1 + drivers/gpu/drm/i915/display/intel_dsi.c | 7 +++++++ drivers/gpu/drm/i915/display/intel_dsi.h | 1 + drivers/gpu/drm/i915/display/vlv_dsi.c | 7 ------- 4 files changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 88130cd19d3f..600199d51d69 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1978,6 +1978,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv) encoder->get_power_domains = gen11_dsi_get_power_domains; encoder->disable_clock = gen11_dsi_gate_clocks; encoder->is_clock_enabled = gen11_dsi_is_clock_enabled; + encoder->shutdown = intel_dsi_shutdown; /* register DSI connector with DRM subsystem */ drm_connector_init(&dev_priv->drm, connector, &gen11_dsi_connector_funcs, diff --git a/drivers/gpu/drm/i915/display/intel_dsi.c b/drivers/gpu/drm/i915/display/intel_dsi.c index e8a596a7c28a..d3cf6a652221 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi.c +++ b/drivers/gpu/drm/i915/display/intel_dsi.c @@ -22,6 +22,13 @@ void intel_dsi_wait_panel_power_cycle(struct intel_dsi *intel_dsi) 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); diff --git a/drivers/gpu/drm/i915/display/intel_dsi.h b/drivers/gpu/drm/i915/display/intel_dsi.h index b690e0fcd906..083390e5e442 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi.h +++ b/drivers/gpu/drm/i915/display/intel_dsi.h @@ -174,5 +174,6 @@ struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi, const struct mipi_dsi_host_ops *funcs, enum port port); void intel_dsi_wait_panel_power_cycle(struct intel_dsi *intel_dsi); +void intel_dsi_shutdown(struct intel_encoder *encoder); #endif /* _INTEL_DSI_H */ diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c index e7993480199e..6ddf4d9c5e00 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c @@ -941,13 +941,6 @@ static void intel_dsi_post_disable(struct intel_atomic_state *state, intel_dsi->panel_power_off_time = ktime_get_boottime(); } -static 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); -} - static bool intel_dsi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe) { -- 2.39.2