[PATCH] drm/xe/xe3: Add WA_14024681466 for Xe3_LPG

[Nitin Gote <nitin.r.gote@intel.com>]

Apply WA_14024681466 to Xe3_LPG graphics IP versions from 30.00 to 30.05.

v2: (Matthew Roper)
   - Remove stepping filter as workaround applies to all steppings.
   - Add an engine class filter so it only applies to the RENDER engine.

Signed-off-by: Nitin Gote <nitin.r.gote@intel.com>
---
 drivers/gpu/drm/xe/regs/xe_gt_regs.h | 1 +
 drivers/gpu/drm/xe/xe_wa.c           | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
index 3545e0be06da..a895a8e801a9 100644
--- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
@@ -174,6 +174,7 @@
 
 #define XEHP_SLICE_COMMON_ECO_CHICKEN1		XE_REG_MCR(0x731c, XE_REG_OPTION_MASKED)
 #define   MSC_MSAA_REODER_BUF_BYPASS_DISABLE	REG_BIT(14)
+#define   FAST_CLEAR_VALIGN_FIX			REG_BIT(13)
 
 #define XE2LPM_CCCHKNREG1			XE_REG(0x82a8)
 
diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
index b6dcd9827354..ec638b431131 100644
--- a/drivers/gpu/drm/xe/xe_wa.c
+++ b/drivers/gpu/drm/xe/xe_wa.c
@@ -916,6 +916,10 @@ static const struct xe_rtp_entry_sr lrc_was[] = {
 	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(3000, 3005), ENGINE_CLASS(RENDER)),
 	  XE_RTP_ACTIONS(SET(COMMON_SLICE_CHICKEN4, SBE_PUSH_CONSTANT_BEHIND_FIX_ENABLE))
 	},
+	{ XE_RTP_NAME("14024681466"),
+	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(3000, 3005), ENGINE_CLASS(RENDER)),
+	  XE_RTP_ACTIONS(SET(XEHP_SLICE_COMMON_ECO_CHICKEN1, FAST_CLEAR_VALIGN_FIX))
+	},
 };
 
 static __maybe_unused const struct xe_rtp_entry oob_was[] = {
-- 
2.25.1