[PATCH 0/2] Enable_psr kernel parameter changes
Jouni Högander
jouni.hogander at intel.com
Mon Jul 7 10:47:31 UTC 2025
Currently setting enable_psr kernel parameter to != -1 is disabling
Panel Replay and Early Transport. This patch set is changing
enable_psr meaning as follows:
-1 = PSR1 : yes, PSR2 = yes, Panel Replay : yes
0 = PSR1 : no, PSR2 = no, Panel Replay : no
1 = PSR1 : yes, PSR2 = no, Panel Replay : yes
2 = PSR1 : yes, PSR2 = yes, Panel Replay : no
I.e. 1 disables PSR2 and 2 disables Panel replay. 0 disables PSR/Panel
Replay completely. Enable_psr parameter doesn't impact Early Transport
anymore.
Jouni Högander (2):
drm/i915/psr: Do not disable Early Transport when enable_psr is set
drm/i915/psr: Do not disable Panel Replay if PSR2 is disabled
.../drm/i915/display/intel_display_params.c | 3 +-
drivers/gpu/drm/i915/display/intel_psr.c | 33 +++++++++----------
2 files changed, 16 insertions(+), 20 deletions(-)
--
2.43.0
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