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Commit 20801315 authored by Madhav Chauhan's avatar Madhav Chauhan Committed by Jani Nikula
Browse files

drm/i915/icl: Turn ON panel backlight 



This patch enables backlight of DSI panel by using VBT
BACKLIGHT_ON sequence and panel specific functions.

Signed-off-by: default avatarMadhav Chauhan <madhav.chauhan@intel.com>
Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/05987eea297689af0b9defcf745a921f76f9011d.1540900289.git.jani.nikula@intel.com
parent 32bbc3d4

drivers/gpu/drm/i915/icl_dsi.c

+6 −0
Original line number Diff line number Diff line
@@ -752,6 +752,8 @@ gen11_dsi_pre_enable(struct intel_encoder *encoder, 
		     const struct intel_crtc_state *pipe_config,

		     const struct drm_connector_state *conn_state)

{

	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);



	/* step2: enable IO power */

	gen11_dsi_enable_io_power(encoder);
@@ -769,4 +771,8 @@ gen11_dsi_pre_enable(struct intel_encoder *encoder, 


	/* step6d: enable dsi transcoder */

	gen11_dsi_enable_transcoder(encoder);



	/* step7: enable backlight */

	intel_panel_enable_backlight(pipe_config, conn_state);

	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON);

}