drm/i915/psr: Disable PSR2 when SDP is sent on prior line

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Selective update doesn't work if SU start address is 0 and start/end
SDP is configured to be sent prior to SU start/end lines. PSR2 has to be
disabled in this case for Alder Lake.

HSDES: 22012279113

Cc: Mika Kahola <mika.kahola@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220905102355.176622-3-jouni.hogander@intel.com
Reviewed-by: Mika Kahola <mika.kahola@intel.com>

...

This commit is contained in:

Jouni Högander 2022-09-05 13:23:55 +03:00 • committed by Ville Syrjälä

parent eccfba1785

commit cae5cb0cab

1 changed files with 2 additions and 1 deletions

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

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