Commit 7aa32f7c authored Oct 30, 2018 by Madhav Chauhan Committed by Jani Nikula Oct 31, 2018

drm/i915/icl: Disable DDI function



This patch disables DDI function by writing to
TRANS_DDI_FUNC_CTL registers of DSI ports as part
of DSI disable sequence.

Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b0088d643247135ba96943fa14625f5a43f43633.1540900289.git.jani.nikula@intel.com

parent 4769b598

drivers/gpu/drm/i915/icl_dsi.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -833,6 +833,14 @@ static void gen11_dsi_deconfigure_trancoder(struct intel_encoder *encoder)
		10))
		DRM_ERROR("DSI link not in ULPS\n");
		}

		/* disable ddi function */
		for_each_dsi_port(port, intel_dsi->ports) {
		dsi_trans = dsi_port_to_transcoder(port);
		tmp = I915_READ(TRANS_DDI_FUNC_CTL(dsi_trans));
		tmp &= ~TRANS_DDI_FUNC_ENABLE;
		I915_WRITE(TRANS_DDI_FUNC_CTL(dsi_trans), tmp);
		}
		}

		static void __attribute__((unused)) gen11_dsi_disable(