drm/xe/xe2hpg: Add Wa_22021007897

Add Wa_22021007897 for the Xe2_HPG (graphics version: 20.01) IP. It is
a permanent workaround, and applicable on all the steppings.

Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Reviewed-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Signed-off-by: Aradhya Bhatia <aradhya.bhatia@intel.com>
Link: https://lore.kernel.org/r/20250512065004.2576-1-aradhya.bhatia@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>

diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
index cbb9f7cbcfc0ec391158f94b4874c7705db0c9fd..5cd5ab8529c5c07c396c9d2a588d7361fcd549e5 100644 (file)
--- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
@@ -156,6 +156,7 @@
 #define XEHPG_SC_INSTDONE_EXTRA2               XE_REG_MCR(0x7108)
 
 #define COMMON_SLICE_CHICKEN4                  XE_REG(0x7300, XE_REG_OPTION_MASKED)
+#define   SBE_PUSH_CONSTANT_BEHIND_FIX_ENABLE  REG_BIT(12)
 #define   DISABLE_TDC_LOAD_BALANCING_CALC      REG_BIT(6)
 
 #define COMMON_SLICE_CHICKEN3                          XE_REG(0x7304, XE_REG_OPTION_MASKED)

diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
index 6f6563cc743067e1c562db920a6463b32db351ee..67196baa42492860e7d6af40a65f58666528f88e 100644 (file)
--- a/drivers/gpu/drm/xe/xe_wa.c
+++ b/drivers/gpu/drm/xe/xe_wa.c
@@ -827,6 +827,10 @@ static const struct xe_rtp_entry_sr lrc_was[] = {
          XE_RTP_RULES(GRAPHICS_VERSION(2001), ENGINE_CLASS(RENDER)),
          XE_RTP_ACTIONS(SET(CHICKEN_RASTER_1, DIS_CLIP_NEGATIVE_BOUNDING_BOX))
        },
+       { XE_RTP_NAME("22021007897"),
+         XE_RTP_RULES(GRAPHICS_VERSION(2001), ENGINE_CLASS(RENDER)),
+         XE_RTP_ACTIONS(SET(COMMON_SLICE_CHICKEN4, SBE_PUSH_CONSTANT_BEHIND_FIX_ENABLE))
+       },
 
        /* Xe3_LPG */
        { XE_RTP_NAME("14021490052"),