From: Madhav Chauhan <[email protected]> This patch disbles backlight of DSI panel by using VBT BACKLIGHT_OFF sequence and panel specific disable functions.
Signed-off-by: Madhav Chauhan <[email protected]> Reviewed-by: Jani Nikula <[email protected]> Signed-off-by: Jani Nikula <[email protected]> --- drivers/gpu/drm/i915/icl_dsi.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index bffbb40cc0bc..f7f48ff147d0 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -776,3 +776,15 @@ gen11_dsi_pre_enable(struct intel_encoder *encoder, intel_panel_enable_backlight(pipe_config, conn_state); intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON); } + +static void __attribute__((unused)) gen11_dsi_disable( + struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + + /* step1: turn off backlight */ + intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF); + intel_panel_disable_backlight(old_conn_state); +} -- 2.11.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
