[PATCH v2] drm/xe/ptl: Apply Wa_16026007364

[Sk Anirban]

From: sanirban <sk.anirban at intel.com>

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: sanirban <sk.anirban at intel.com>
---
 drivers/gpu/drm/xe/abi/guc_klvs_abi.h | 1 +
 drivers/gpu/drm/xe/xe_guc_ads.c       | 5 +++++
 drivers/gpu/drm/xe/xe_wa_oob.rules    | 1 +
 3 files changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/xe/abi/guc_klvs_abi.h b/drivers/gpu/drm/xe/abi/guc_klvs_abi.h
index 7de8f827281f..e2583761a70d 100644
--- a/drivers/gpu/drm/xe/abi/guc_klvs_abi.h
+++ b/drivers/gpu/drm/xe/abi/guc_klvs_abi.h
@@ -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
diff --git a/drivers/gpu/drm/xe/xe_guc_ads.c b/drivers/gpu/drm/xe/xe_guc_ads.c
index 07a027755627..f3c74f9a40c6 100644
--- a/drivers/gpu/drm/xe/xe_guc_ads.c
+++ b/drivers/gpu/drm/xe/xe_guc_ads.c
@@ -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;
diff --git a/drivers/gpu/drm/xe/xe_wa_oob.rules b/drivers/gpu/drm/xe/xe_wa_oob.rules
index 96cc33da0fb5..8c2aa48cb33a 100644
--- a/drivers/gpu/drm/xe/xe_wa_oob.rules
+++ b/drivers/gpu/drm/xe/xe_wa_oob.rules
@@ -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)
-- 
2.43.0