Commit d3e8349e authored by John Harrison's avatar John Harrison Committed by Lucas De Marchi
Browse files

drm/xe/guc: Enable w/a 16026508708 



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

Signed-off-by: default avatarJohn Harrison <John.C.Harrison@Intel.com>
Reviewed-by: default avatarDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://lore.kernel.org/r/20250403185619.1555853-2-John.C.Harrison@Intel.com


Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
parent 29582e0e

drivers/gpu/drm/xe/abi/guc_klvs_abi.h

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/gpu/drm/xe/xe_guc_ads.c

+5 −0
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/drm/xe/xe_wa_oob.rules

+2 −0
Original line number Diff line number Diff line
@@ -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)