tree 627ec814319750012c3c62ec0eb2d489dab24645
parent cbfa59d4b331046d89c795c8e809922f345d9bd7
author Mahesh Kumar <mahesh1.kumar@intel.com> 1535103142 +0530
committer Rodrigo Vivi <rodrigo.vivi@intel.com> 1536874383 -0700

drm/i915/skl+: Decode memory bandwidth and parameters

This patch adds support to decode system memory bandwidth and other
parameters for skylake and Gen9+ platforms, which will be used for
arbitrated display memory bandwidth calculation in GEN9 based
platforms and WM latency level-0 Work-around calculation on GEN9+.

Changes Since V1:
 - s/memdev_info/dram_info
 - create a struct to hold channel info
Changes Since V2:
 - rewrite code to adhere i915 coding style
 - not valid for GLK

Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180824093225.12598-3-mahesh1.kumar@intel.com