[Intel-xe] [PATCH V2] drm/xe/xe2: Add workaround 14019449301
Tejas Upadhyay
tejas.upadhyay at intel.com
Thu Nov 16 13:03:21 UTC 2023
This workaround applies to Xe2_LPM
V2(MattR):
- Change name of register
- Loop for all engines
- Driver permanent WA, applies to all steps
Signed-off-by: Tejas Upadhyay <tejas.upadhyay at intel.com>
---
drivers/gpu/drm/xe/regs/xe_engine_regs.h | 3 +++
drivers/gpu/drm/xe/xe_wa.c | 8 ++++++++
2 files changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/xe/regs/xe_engine_regs.h b/drivers/gpu/drm/xe/regs/xe_engine_regs.h
index b57dec17eb2d..ff6b0207c78e 100644
--- a/drivers/gpu/drm/xe/regs/xe_engine_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_engine_regs.h
@@ -121,4 +121,7 @@
#define VDBOX_CGCTL3F1C(base) XE_REG((base) + 0x3f1c)
#define MFXPIPE_CLKGATE_DIS REG_BIT(3)
+#define VDBOX_CGCTL3F08 XE_REG(0x3f08)
+#define CG3DDISHRS_CLKGATE_DIS REG_BIT(5)
+
#endif
diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
index d03e6674519f..aff92a7efa07 100644
--- a/drivers/gpu/drm/xe/xe_wa.c
+++ b/drivers/gpu/drm/xe/xe_wa.c
@@ -259,6 +259,14 @@ static const struct xe_rtp_entry_sr gt_was[] = {
XE_RTP_ACTIONS(SET(XELPMP_SQCNT1, ENFORCE_RAR))
},
+ /* Xe2_LPM */
+
+ { XE_RTP_NAME("14019449301"),
+ XE_RTP_RULES(MEDIA_VERSION(2000), ENGINE_CLASS(VIDEO_DECODE)),
+ XE_RTP_ACTIONS(SET(VDBOX_CGCTL3F08, CG3DDISHRS_CLKGATE_DIS)),
+ XE_RTP_ENTRY_FLAG(FOREACH_ENGINE),
+ },
+
/* Xe2_LPG */
{ XE_RTP_NAME("16020975621"),
--
2.25.1
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