drm/i915/adl_p: Add ddb allocation support

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On adlp the two mbuses have two display pipes and
two DBUFS, Pipe A and D on Mbus1 and Pipe B and C on
Mbus2. The Mbus can be joined and all the DBUFS can be
used on Pipe A or B.

Bspec: 49255
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Clinton Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210519000625.3184321-8-lucas.demarchi@intel.com

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Vandita Kulkarni 2021-05-18 17:06:15 -07:00 • committed by Lucas De Marchi

parent 14076e4645

commit 247bdac958

2 changed files with 138 additions and 5 deletions

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22

drivers/gpu/drm/i915/i915_reg.h

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121

drivers/gpu/drm/i915/intel_pm.c

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