[PATCH 2/2] drm/xe/guc: Enable w/a 14022293748 and 22019794406
Julia Filipchuk
julia.filipchuk at intel.com
Fri Aug 2 00:40:17 UTC 2024
Enable workarounds for HW bug where render engine reset fails. Check
firmware version supports the workarounds.
v2: Enable KLV correctly for either workaround (Lucas)
v4: Add check for minimum supported GuC firmware version. Enable w/a for
hw version 20.01 too. (Daniele)
Signed-off-by: Julia Filipchuk <julia.filipchuk at intel.com>
---
drivers/gpu/drm/xe/abi/guc_klvs_abi.h | 1 +
drivers/gpu/drm/xe/xe_guc_ads.c | 12 ++++++++++++
drivers/gpu/drm/xe/xe_wa_oob.rules | 4 ++++
3 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/xe/abi/guc_klvs_abi.h b/drivers/gpu/drm/xe/abi/guc_klvs_abi.h
index 8f9f60b28306..6b30743a2f6c 100644
--- a/drivers/gpu/drm/xe/abi/guc_klvs_abi.h
+++ b/drivers/gpu/drm/xe/abi/guc_klvs_abi.h
@@ -351,6 +351,7 @@ enum xe_guc_klv_ids {
GUC_WORKAROUND_KLV_ID_GAM_PFQ_SHADOW_TAIL_POLLING = 0x9005,
GUC_WORKAROUND_KLV_ID_DISABLE_MTP_DURING_ASYNC_COMPUTE = 0x9007,
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,
};
#endif
diff --git a/drivers/gpu/drm/xe/xe_guc_ads.c b/drivers/gpu/drm/xe/xe_guc_ads.c
index 1c60b685dbc6..ba70e6a81d88 100644
--- a/drivers/gpu/drm/xe/xe_guc_ads.c
+++ b/drivers/gpu/drm/xe/xe_guc_ads.c
@@ -24,6 +24,7 @@
#include "xe_map.h"
#include "xe_mmio.h"
#include "xe_platform_types.h"
+#include "xe_uc_fw.h"
#include "xe_wa.h"
/* Slack of a few additional entries per engine */
@@ -337,9 +338,14 @@ static void guc_waklv_enable_simple(struct xe_guc_ads *ads,
static void guc_waklv_init(struct xe_guc_ads *ads)
{
struct xe_gt *gt = ads_to_gt(ads);
+ struct xe_guc *guc = ads_to_guc(ads);
u64 addr_ggtt;
u32 offset, remain, size;
+ u64 fw_ver;
+ xe_gt_assert(gt, guc->fw.type == XE_UC_FW_TYPE_GUC);
+
+ fw_ver = GUC_FIRMWARE_VER(guc);
offset = guc_ads_waklv_offset(ads);
remain = guc_ads_waklv_size(ads);
@@ -367,6 +373,12 @@ static void guc_waklv_init(struct xe_guc_ads *ads)
0xC40,
&offset, &remain);
+ if (fw_ver >= MAKE_VER(70, 29, 0) &&
+ (XE_WA(gt, 14022293748) || XE_WA(gt, 22019794406)))
+ guc_waklv_enable_simple(ads,
+ GUC_WORKAROUND_KLV_ID_BACK_TO_BACK_RCS_ENGINE_RESET,
+ &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 540d38603f32..5cf27ff27ce6 100644
--- a/drivers/gpu/drm/xe/xe_wa_oob.rules
+++ b/drivers/gpu/drm/xe/xe_wa_oob.rules
@@ -27,6 +27,10 @@
16022287689 GRAPHICS_VERSION(2001)
GRAPHICS_VERSION(2004)
13011645652 GRAPHICS_VERSION(2004)
+14022293748 GRAPHICS_VERSION(2001)
+ GRAPHICS_VERSION(2004)
+22019794406 GRAPHICS_VERSION(2001)
+ GRAPHICS_VERSION(2004)
22019338487 MEDIA_VERSION(2000)
GRAPHICS_VERSION(2001)
22019338487_display PLATFORM(LUNARLAKE)
--
2.45.2
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