[PATCH] drm/xe/xe2lpm: Fixup Wa_14020756599

Tejas Upadhyay tejas.upadhyay at intel.com
Thu Jun 6 07:24:59 UTC 2024


In the current situation, Media 2000 is along with xe2_lpg,
thus WA is already covered.

https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/2016

Fixes: 131328aa5699 ("drm/xe/xe2lpm: Add permanent Wa_14020756599")
Signed-off-by: Tejas Upadhyay <tejas.upadhyay at intel.com>
---
 drivers/gpu/drm/xe/xe_rtp.c |  5 -----
 drivers/gpu/drm/xe/xe_rtp.h | 14 --------------
 drivers/gpu/drm/xe/xe_wa.c  | 13 ++++++-------
 3 files changed, 6 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_rtp.c b/drivers/gpu/drm/xe/xe_rtp.c
index 01c32a932780..eff1c9c2f5cc 100644
--- a/drivers/gpu/drm/xe/xe_rtp.c
+++ b/drivers/gpu/drm/xe/xe_rtp.c
@@ -324,8 +324,3 @@ 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 a32645f5f80b..337b1ef1959c 100644
--- a/drivers/gpu/drm/xe/xe_rtp.h
+++ b/drivers/gpu/drm/xe/xe_rtp.h
@@ -427,18 +427,4 @@ 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 26b170a0cdc7..ce6f1b0ca808 100644
--- a/drivers/gpu/drm/xe/xe_wa.c
+++ b/drivers/gpu/drm/xe/xe_wa.c
@@ -677,6 +677,12 @@ static const struct xe_rtp_entry_sr lrc_was[] = {
 		       ENGINE_CLASS(RENDER)),
 	  XE_RTP_ACTIONS(SET(CHICKEN_RASTER_2, TBIMR_FAST_CLIP))
 	},
+	/* This WA is also needed on primary GT when the media version is 2000.
+	 * In the current situation, Media 2000 is along with xe2_lpg, thus WA
+	 * is already covered below. In the future, Media version 2000 can be
+	 * used with some other graphics version where WA still needs to be
+	 * implemented.
+	 */
 	{ XE_RTP_NAME("14020756599"),
 	  XE_RTP_RULES(GRAPHICS_VERSION(2004), ENGINE_CLASS(RENDER)),
 	  XE_RTP_ACTIONS(SET(WM_CHICKEN3, HIZ_PLANE_COMPRESSION_DIS))
@@ -705,13 +711,6 @@ 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))
-	},
-
 	{}
 };
 
-- 
2.25.1



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