Commit 88b06594 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915/dsi: Do display on sequence later on icl+ 



Doing the init OTP and display on DSI sequences back to back
doesn't really make any sense (a single sequence would suffice
then). Move the display on sequence to be done just before
backlight on, which is also what Windows does.

Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230608203057.23759-3-ville.syrjala@linux.intel.com
parent 86ecd3b3

drivers/gpu/drm/i915/display/icl_dsi.c

+2 −1
Original line number Diff line number Diff line
@@ -1139,7 +1139,6 @@ static void gen11_dsi_powerup_panel(struct intel_encoder *encoder) 
	}



	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_INIT_OTP);

	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON);



	/* ensure all panel commands dispatched before enabling transcoder */

	wait_for_cmds_dispatched_to_panel(encoder);
@@ -1240,6 +1239,8 @@ static void gen11_dsi_enable(struct intel_atomic_state *state, 
	/* step6d: enable dsi transcoder */

	gen11_dsi_enable_transcoder(encoder);



	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON);



	/* step7: enable backlight */

	intel_backlight_enable(crtc_state, conn_state);

	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON);