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drm: Add DP PSR2 sink enable bit

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[ 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>
This commit is contained in:
José Roberto de Souza 2018-03-28 15:30:37 -07:00 committed by Greg Kroah-Hartman
parent 3ff01af80d
commit 5a3d1d67b3
1 changed files with 1 additions and 0 deletions
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include/drm/drm_dp_helper.h
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@ -342,6 +342,7 @@
# 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)