drm/i915/gtt: allow overriding the pt alignment

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On some platforms we have alignment restrictions when accessing LMEM
from the GTT. In the next few patches we need to be able to modify the
page-tables directly via the GTT itself.

Suggested-by: Ramalingam C <ramalingam.c@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220218184752.7524-10-ramalingam.c@intel.com

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Matthew Auld 2022-02-19 00:17:46 +05:30 • committed by Lucas De Marchi

parent a413c99fc1

commit 2cff4b9ed6

2 changed files with 21 additions and 5 deletions

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10

drivers/gpu/drm/i915/gt/intel_gtt.h

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16

drivers/gpu/drm/i915/gt/intel_ppgtt.c

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