drm/xe/xe2: Add workaround 16020183090

Browse source

Graphics version 20.04, used in Lunar Lake, needs WA 16020183090 for
steppings A*. Set ENABLE_SEMAPHORE_POLL_BIT in INSTPM(RENDER_RING_BASE)
and whitelist CSBE_DEBUG_STATUS for userspace to be able to use it
and complement the workaround.

Cc: Haridhar Kalvala <haridhar.kalvala@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20231207175117.2334022-1-lucas.demarchi@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

...

This commit is contained in:

Lucas De Marchi 2023-12-07 09:51:17 -08:00

parent f031c3a7af

commit 570a8fc233

3 changed files with 17 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

4

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

View file

8

drivers/gpu/drm/xe/xe_reg_whitelist.c

View file

5

drivers/gpu/drm/xe/xe_wa.c

View file