drm/i915/bxt: Decode memory bandwidth and parameters

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

Changes since V1:
 - s/memdev_info/dram_info
Changes since V2:
 - Adhere to i915 coding style (Rodrigo)

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/20180824093225.12598-2-mahesh1.kumar@intel.com

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Mahesh Kumar 2018-08-24 15:02:21 +05:30 • committed by Rodrigo Vivi

parent 4445930f1c

commit cbfa59d4b3

3 changed files with 158 additions and 0 deletions

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117

drivers/gpu/drm/i915/i915_drv.c

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11

drivers/gpu/drm/i915/i915_drv.h

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30

drivers/gpu/drm/i915/i915_reg.h

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