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.
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
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 a89a45fc0468..780a004fe700 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -1979,6 +1979,7 @@ 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 1e6f438a43d8..33ada1a736d8 100644
--- a/drivers/gpu/drm/i915/display/vlv_dsi.c
+++ b/drivers/gpu/drm/i915/display/vlv_dsi.c
@@ -929,13 +929,6 @@ 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)
{
--
2.39.3
