drm/xe: Carve out top of DSM as reserved

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Top of DSM contains the WOPCM where kernel driver shouldn't access as
it contains data from other HW agents. Carve it out from the stolen
memory. On a MTL system, the output now matches the expected values:

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20230726160708.3967790-10-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

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Lucas De Marchi 2023-07-26 09:07:07 -07:00 • committed by Rodrigo Vivi

parent 58052eb70c

commit c0d6b6163f

2 changed files with 10 additions and 1 deletions

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3

drivers/gpu/drm/xe/regs/xe_regs.h

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8

drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c

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