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drm/xe/guc: Enable w/a 16026508708

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The workaround is only relevant to SRIOV but does affect all platforms.

Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://lore.kernel.org/r/20250403185619.1555853-2-John.C.Harrison@Intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
John Harrison 2025-04-03 11:56:11 -07:00 committed by Lucas De Marchi
parent 29582e0ea7
commit d3e8349edf
3 changed files with 8 additions and 0 deletions
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1
drivers/gpu/drm/xe/abi/guc_klvs_abi.h
View File

@ -367,6 +367,7 @@ enum xe_guc_klv_ids {
GUC_WA_KLV_NP_RD_WRITE_TO_CLEAR_RCSM_AT_CGP_LATE_RESTORE = 0x9008,
GUC_WORKAROUND_KLV_ID_BACK_TO_BACK_RCS_ENGINE_RESET = 0x9009,
GUC_WA_KLV_WAKE_POWER_DOMAINS_FOR_OUTBOUND_MMIO = 0x900a,
GUC_WA_KLV_RESET_BB_STACK_PTR_ON_VF_SWITCH = 0x900b,
};
#endif

5
drivers/gpu/drm/xe/xe_guc_ads.c
View File

@ -376,6 +376,11 @@ static void guc_waklv_init(struct xe_guc_ads *ads)
GUC_WORKAROUND_KLV_ID_BACK_TO_BACK_RCS_ENGINE_RESET,
&offset, &remain);
if (GUC_FIRMWARE_VER(&gt->uc.guc) >= MAKE_GUC_VER(70, 44, 0) && XE_WA(gt, 16026508708))
guc_waklv_enable_simple(ads,
GUC_WA_KLV_RESET_BB_STACK_PTR_ON_VF_SWITCH,
&offset, &remain);
size = guc_ads_waklv_size(ads) - remain;
if (!size)
return;

2
drivers/gpu/drm/xe/xe_wa_oob.rules
View File

@ -57,3 +57,5 @@ no_media_l3 MEDIA_VERSION(3000)
GRAPHICS_VERSION(1260), GRAPHICS_STEP(A0, B0)
16023105232 GRAPHICS_VERSION_RANGE(2001, 3001)
MEDIA_VERSION_RANGE(1301, 3000)
16026508708 GRAPHICS_VERSION_RANGE(1200, 3001)
MEDIA_VERSION_RANGE(1300, 3000)