From 131328aa5699c35ad0db0a4da75b38fae2379d23 Mon Sep 17 00:00:00 2001
From: Tejas Upadhyay <tejas.upadhyay@intel.com>
Date: Mon, 3 Jun 2024 16:19:50 +0530
Subject: [PATCH] drm/xe/xe2lpm: Add permanent Wa_14020756599
For xe2_lpm Wa_14020756599 is applied to all steppings and
when RCS is present on graphics GT.
V5(MattR):
- Add more comments about new API
V4:
- Make it part of lrc wa
- Check for RCS as rtp rule
V3(MattR):
- Rename rtp api name
- Use MEDIA_VERx100
V2:
- Remove engine filter video decode
- Fix typo GRAPHICS/MEDIA/s - Himal
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240603104951.705603-2-tejas.upadhyay@intel.com
---
drivers/gpu/drm/xe/xe_rtp.c | 6 ++++++
drivers/gpu/drm/xe/xe_rtp.h | 14 ++++++++++++++
drivers/gpu/drm/xe/xe_wa.c | 7 +++++++
3 files changed, 27 insertions(+)
diff --git a/drivers/gpu/drm/xe/xe_rtp.c b/drivers/gpu/drm/xe/xe_rtp.c
index fb44cc7521d8..01c32a932780 100644
--- a/drivers/gpu/drm/xe/xe_rtp.c
+++ b/drivers/gpu/drm/xe/xe_rtp.c
@@ -323,3 +323,9 @@ bool xe_rtp_match_first_gslice_fused_off(const struct xe_gt *gt,
return dss >= dss_per_gslice;
}
+
+bool xe_rtp_match_when_media2000(const struct xe_gt *gt,
+ const struct xe_hw_engine *hwe)
+{
+ return (gt_to_xe(gt))->info.media_verx100 == 2000;
+}
diff --git a/drivers/gpu/drm/xe/xe_rtp.h b/drivers/gpu/drm/xe/xe_rtp.h
index 337b1ef1959c..a32645f5f80b 100644
--- a/drivers/gpu/drm/xe/xe_rtp.h
+++ b/drivers/gpu/drm/xe/xe_rtp.h
@@ -427,4 +427,18 @@ bool xe_rtp_match_first_render_or_compute(const struct xe_gt *gt,
bool xe_rtp_match_first_gslice_fused_off(const struct xe_gt *gt,
const struct xe_hw_engine *hwe);
+/*
+ * xe_rtp_match_when_media2000 - Match when media GT version 2000
+ *
+ * @gt: GT structure
+ * @hwe: Engine instance
+ *
+ * Its one of the case where we need to apply workaround on primary GT
+ * based on if media GT version 2000 is present. Thus this API will help
+ * us to match media version 2000.
+ *
+ * Returns: true if media GT version 2000, false otherwise.
+ */
+bool xe_rtp_match_when_media2000(const struct xe_gt *gt,
+ const struct xe_hw_engine *hwe);
#endif
diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
index 64bc595fc727..321ea100a491 100644
--- a/drivers/gpu/drm/xe/xe_wa.c
+++ b/drivers/gpu/drm/xe/xe_wa.c
@@ -701,6 +701,13 @@ static const struct xe_rtp_entry_sr lrc_was[] = {
DIS_AUTOSTRIP))
},
+ /* Xe2_LPM */
+
+ { XE_RTP_NAME("14020756599"),
+ XE_RTP_RULES(ENGINE_CLASS(RENDER), FUNC(xe_rtp_match_when_media2000)),
+ XE_RTP_ACTIONS(SET(WM_CHICKEN3, HIZ_PLANE_COMPRESSION_DIS))
+ },
+
{}
};