drm/i915/psr: Read Intel DPCD workaround register

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commit f30bece421 upstream.

Read Intel DPCD workaround register and store it into
intel_connector->dp.psr_caps. psr_caps was chosen as currently it contains
only PSR workaround for PSR2 SDP on prior scanline implementation.

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260515095756.2799483-3-jouni.hogander@intel.com
(cherry picked from commit c48ff24d0f)
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Jouni Högander 2026-05-29 11:03:15 +03:00 • committed by Greg Kroah-Hartman

parent 65e3129038

commit 032f631f87

2 changed files with 8 additions and 0 deletions

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1

drivers/gpu/drm/i915/display/intel_display_types.h

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7

drivers/gpu/drm/i915/display/intel_psr.c

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