Commit f685597b authored Mar 28, 2018 by José Roberto de Souza Committed by Greg Kroah-Hartman Aug 03, 2018

drm: Add DP PSR2 sink enable bit



[ Upstream commit 4f212e40468650e220c1770876c7f25b8e0c1ff5 ]

To comply with eDP1.4a this bit should be set when enabling PSR2.

Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180328223046.16125-1-jose.souza@intel.com


Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 40110361

include/drm/drm_dp_helper.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -345,6 +345,7 @@
		# define DP_PSR_FRAME_CAPTURE (1 << 3)
		# define DP_PSR_SELECTIVE_UPDATE (1 << 4)
		# define DP_PSR_IRQ_HPD_WITH_CRC_ERRORS (1 << 5)
		# define DP_PSR_ENABLE_PSR2 (1 << 6) /* eDP 1.4a */

		#define DP_ADAPTER_CTRL 0x1a0
		# define DP_ADAPTER_CTRL_FORCE_LOAD_SENSE (1 << 0)