Unverified Commit 3972872e authored by sanirban's avatar sanirban Committed by Rodrigo Vivi
Browse files

drm/xe/ptl: Apply Wa_16026007364 



As part of this WA GuC will save and restore value of two XE3_Media
control registers that were not included in the HW power context.

v2:
  - Update klv name (Badal)

Signed-off-by: default avatarsanirban <sk.anirban@intel.com>
Reviewed-by: default avatarBadal Nilawar <badal.nilawar@intel.com>
Link: https://lore.kernel.org/r/20250619133413.107423-2-sk.anirban@intel.com


Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent 3c0f211b

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

+1 −0
Original line number Diff line number Diff line
@@ -368,6 +368,7 @@ enum xe_guc_klv_ids { 
	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,

	GUC_WA_KLV_RESTORE_UNSAVED_MEDIA_CONTROL_REG					= 0x900c,

};



#endif

drivers/gpu/drm/xe/xe_guc_ads.c

+5 −0
Original line number Diff line number Diff line
@@ -382,6 +382,11 @@ static void guc_waklv_init(struct xe_guc_ads *ads) 
					GUC_WA_KLV_RESET_BB_STACK_PTR_ON_VF_SWITCH,

					&offset, &remain);



	if (XE_WA(gt, 16026007364))

		guc_waklv_enable_simple(ads,

					GUC_WA_KLV_RESTORE_UNSAVED_MEDIA_CONTROL_REG,

					&offset, &remain);



	size = guc_ads_waklv_size(ads) - remain;

	if (!size)

		return;

drivers/gpu/drm/xe/xe_wa_oob.rules

+1 −0
Original line number Diff line number Diff line
@@ -70,3 +70,4 @@ no_media_l3 MEDIA_VERSION(3000) 
# SoC workaround - currently applies to all platforms with the following

# primary GT GMDID

14022085890	GRAPHICS_VERSION(2001)

16026007364 	MEDIA_VERSION(3000)