Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit bf344e80 authored by Gaurav K Singh's avatar Gaurav K Singh Committed by Daniel Vetter
Browse files

drm/i915: Enable MIPI PHY transparent latch for DSI Port C 



Common bit to be used for both DSI Port A & DSI Port C.

Signed-off-by: default avatarGaurav K Singh <gaurav.k.singh@intel.com>
Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 3c860ab4

drivers/gpu/drm/i915/intel_dsi.c

+6 −1
Original line number Diff line number Diff line
@@ -177,7 +177,12 @@ static void intel_dsi_device_ready(struct intel_encoder *encoder) 
		usleep_range(2500, 3000);



		val = I915_READ(MIPI_PORT_CTRL(port));

		I915_WRITE(MIPI_PORT_CTRL(port), val | LP_OUTPUT_HOLD);



		/* Enable MIPI PHY transparent latch

		 * Common bit for both MIPI Port A & MIPI Port C

		 * No similar bit in MIPI Port C reg

		 */

		I915_WRITE(MIPI_PORT_CTRL(PORT_A), val | LP_OUTPUT_HOLD);

		usleep_range(1000, 1500);



		I915_WRITE(MIPI_DEVICE_READY(port), ULPS_STATE_EXIT);