This is a note to let you know that I've just added the patch titled
drm/xe/xe3: Add initial set of workarounds
to the 6.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-xe-xe3-add-initial-set-of-workarounds.patch
and it can be found in the queue-6.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3d4eaf189bf9e33f7bb3d7c21ca2c28174edecfa
Author: Gustavo Sousa <gustavo.sousa@xxxxxxxxx>
Date: Tue Oct 8 13:46:26 2024 -0700
drm/xe/xe3: Add initial set of workarounds
[ Upstream commit 081cb8948cfe322076cd23f22f85ba68f73e2c4b ]
Implement the initial set of workarounds for Xe3 IPs.
Signed-off-by: Gustavo Sousa <gustavo.sousa@xxxxxxxxx>
Signed-off-by: Matt Atwood <matthew.s.atwood@xxxxxxxxx>
Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20241008204626.55802-2-matthew.s.atwood@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/xe/regs/xe_engine_regs.h b/drivers/gpu/drm/xe/regs/xe_engine_regs.h
index 81b71903675e0..7c78496e6213c 100644
--- a/drivers/gpu/drm/xe/regs/xe_engine_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_engine_regs.h
@@ -186,6 +186,7 @@
#define VDBOX_CGCTL3F10(base) XE_REG((base) + 0x3f10)
#define IECPUNIT_CLKGATE_DIS REG_BIT(22)
+#define RAMDFTUNIT_CLKGATE_DIS REG_BIT(9)
#define VDBOX_CGCTL3F18(base) XE_REG((base) + 0x3f18)
#define ALNUNIT_CLKGATE_DIS REG_BIT(13)
diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
index bd604b9f08e4f..5404de2aea545 100644
--- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
@@ -286,6 +286,9 @@
#define GAMTLBVEBOX0_CLKGATE_DIS REG_BIT(16)
#define LTCDD_CLKGATE_DIS REG_BIT(10)
+#define UNSLCGCTL9454 XE_REG(0x9454)
+#define LSCFE_CLKGATE_DIS REG_BIT(4)
+
#define XEHP_SLICE_UNIT_LEVEL_CLKGATE XE_REG_MCR(0x94d4)
#define L3_CR2X_CLKGATE_DIS REG_BIT(17)
#define L3_CLKGATE_DIS REG_BIT(16)
diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
index 353936a0f877d..37e592b2bf062 100644
--- a/drivers/gpu/drm/xe/xe_wa.c
+++ b/drivers/gpu/drm/xe/xe_wa.c
@@ -251,6 +251,34 @@ static const struct xe_rtp_entry_sr gt_was[] = {
XE_RTP_ENTRY_FLAG(FOREACH_ENGINE),
},
+ /* Xe3_LPG */
+
+ { XE_RTP_NAME("14021871409"),
+ XE_RTP_RULES(GRAPHICS_VERSION(3000), GRAPHICS_STEP(A0, B0)),
+ XE_RTP_ACTIONS(SET(UNSLCGCTL9454, LSCFE_CLKGATE_DIS))
+ },
+
+ /* Xe3_LPM */
+
+ { XE_RTP_NAME("16021867713"),
+ XE_RTP_RULES(MEDIA_VERSION(3000),
+ ENGINE_CLASS(VIDEO_DECODE)),
+ XE_RTP_ACTIONS(SET(VDBOX_CGCTL3F1C(0), MFXPIPE_CLKGATE_DIS)),
+ XE_RTP_ENTRY_FLAG(FOREACH_ENGINE),
+ },
+ { XE_RTP_NAME("16021865536"),
+ XE_RTP_RULES(MEDIA_VERSION(3000),
+ ENGINE_CLASS(VIDEO_DECODE)),
+ XE_RTP_ACTIONS(SET(VDBOX_CGCTL3F10(0), IECPUNIT_CLKGATE_DIS)),
+ XE_RTP_ENTRY_FLAG(FOREACH_ENGINE),
+ },
+ { XE_RTP_NAME("14021486841"),
+ XE_RTP_RULES(MEDIA_VERSION(3000), MEDIA_STEP(A0, B0),
+ ENGINE_CLASS(VIDEO_DECODE)),
+ XE_RTP_ACTIONS(SET(VDBOX_CGCTL3F10(0), RAMDFTUNIT_CLKGATE_DIS)),
+ XE_RTP_ENTRY_FLAG(FOREACH_ENGINE),
+ },
+
{}
};
@@ -567,6 +595,13 @@ static const struct xe_rtp_entry_sr engine_was[] = {
XE_RTP_ACTION_FLAG(ENGINE_BASE)))
},
+ /* Xe3_LPG */
+
+ { XE_RTP_NAME("14021402888"),
+ XE_RTP_RULES(GRAPHICS_VERSION_RANGE(3000, 3001), FUNC(xe_rtp_match_first_render_or_compute)),
+ XE_RTP_ACTIONS(SET(HALF_SLICE_CHICKEN7, CLEAR_OPTIMIZATION_DISABLE))
+ },
+
{}
};
@@ -742,6 +777,18 @@ static const struct xe_rtp_entry_sr lrc_was[] = {
XE_RTP_ACTIONS(SET(CHICKEN_RASTER_1, DIS_CLIP_NEGATIVE_BOUNDING_BOX))
},
+ /* Xe3_LPG */
+ { XE_RTP_NAME("14021490052"),
+ XE_RTP_RULES(GRAPHICS_VERSION(3000), GRAPHICS_STEP(A0, B0),
+ ENGINE_CLASS(RENDER)),
+ XE_RTP_ACTIONS(SET(FF_MODE,
+ DIS_MESH_PARTIAL_AUTOSTRIP |
+ DIS_MESH_AUTOSTRIP),
+ SET(VFLSKPD,
+ DIS_PARTIAL_AUTOSTRIP |
+ DIS_AUTOSTRIP))
+ },
+
{}
};
diff --git a/drivers/gpu/drm/xe/xe_wa_oob.rules b/drivers/gpu/drm/xe/xe_wa_oob.rules
index 0154fbe154e9a..264d6e116499c 100644
--- a/drivers/gpu/drm/xe/xe_wa_oob.rules
+++ b/drivers/gpu/drm/xe/xe_wa_oob.rules
@@ -33,6 +33,7 @@
GRAPHICS_VERSION(2004)
22019338487 MEDIA_VERSION(2000)
GRAPHICS_VERSION(2001)
+ MEDIA_VERSION(3000), MEDIA_STEP(A0, B0)
22019338487_display PLATFORM(LUNARLAKE)
16023588340 GRAPHICS_VERSION(2001)
14019789679 GRAPHICS_VERSION(1255)
