[PATCH 09/11] drm/xe/xe2hpg: Add initial GT workarounds

[Balasubramani Vivekanandan]

From: Haridhar Kalvala <haridhar.kalvala at intel.com>

Add the initial set of Xe2_HPG gt/engine/lrc workarounds.

Signed-off-by: Haridhar Kalvala <haridhar.kalvala at intel.com>
Signed-off-by: Clint Taylor <clinton.a.taylor at intel.com>
Signed-off-by: Gustavo Sousa <gustavo.sousa at intel.com>
Signed-off-by: Dnyaneshar Bhadane <dnyaneshwar.bhadane at intel.com>
Signed-off-by: Shekhar Chauhan <shekhar.chauhan at intel.com>
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan at intel.com>
---
 drivers/gpu/drm/xe/regs/xe_gt_regs.h  |  5 +++
 drivers/gpu/drm/xe/xe_reg_whitelist.c |  4 ++
 drivers/gpu/drm/xe/xe_wa.c            | 63 +++++++++++++++++++++++++++
 3 files changed, 72 insertions(+)

diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
index ea75c1f0ebd0..17cc9b6c9536 100644
--- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
@@ -74,6 +74,9 @@
 #define WM_CHICKEN3				XE_REG_MCR(0x5588, XE_REG_OPTION_MASKED)
 #define   HIZ_PLANE_COMPRESSION_DIS		REG_BIT(10)
 
+#define CHICKEN_RASTER_1			XE_REG_MCR(0x6204, XE_REG_OPTION_MASKED)
+#define   DIS_SF_ROUND_NEAREST_EVEN		REG_BIT(8)
+
 #define CHICKEN_RASTER_2			XE_REG_MCR(0x6208, XE_REG_OPTION_MASKED)
 #define   TBIMR_FAST_CLIP			REG_BIT(5)
 
@@ -354,6 +357,7 @@
 #define   THREAD_EX_ARB_MODE_RR_AFTER_DEP	REG_FIELD_PREP(THREAD_EX_ARB_MODE, 0x2)
 
 #define ROW_CHICKEN3				XE_REG_MCR(0xe49c, XE_REG_OPTION_MASKED)
+#define   XE2_EUPEND_CHK_FLUSH_DIS		REG_BIT(14)
 #define   DIS_FIX_EOT1_FLUSH			REG_BIT(9)
 
 #define TDL_TSL_CHICKEN				XE_REG_MCR(0xe4c4, XE_REG_OPTION_MASKED)
@@ -384,6 +388,7 @@
 
 #define LSC_CHICKEN_BIT_0			XE_REG_MCR(0xe7c8)
 #define   DISABLE_D8_D16_COASLESCE		REG_BIT(30)
+#define   WR_REQ_CHAINING_DIS			REG_BIT(26)
 #define   TGM_WRITE_EOM_FORCE			REG_BIT(17)
 #define   FORCE_1_SUB_MESSAGE_PER_FRAGMENT	REG_BIT(15)
 #define   SEQUENTIAL_ACCESS_UPGRADE_DISABLE	REG_BIT(13)
diff --git a/drivers/gpu/drm/xe/xe_reg_whitelist.c b/drivers/gpu/drm/xe/xe_reg_whitelist.c
index 3fa2ece7d228..e674c8ad230e 100644
--- a/drivers/gpu/drm/xe/xe_reg_whitelist.c
+++ b/drivers/gpu/drm/xe/xe_reg_whitelist.c
@@ -63,6 +63,10 @@ static const struct xe_rtp_entry_sr register_whitelist[] = {
 		       ENGINE_CLASS(RENDER)),
 	  XE_RTP_ACTIONS(WHITELIST(CSBE_DEBUG_STATUS(RENDER_RING_BASE), 0))
 	},
+	{ XE_RTP_NAME("16020183090"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001), ENGINE_CLASS(RENDER)),
+	  XE_RTP_ACTIONS(WHITELIST(CSBE_DEBUG_STATUS(RENDER_RING_BASE), 0))
+	},
 
 	{}
 };
diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
index 74b33a3845f2..a163a764d25e 100644
--- a/drivers/gpu/drm/xe/xe_wa.c
+++ b/drivers/gpu/drm/xe/xe_wa.c
@@ -459,6 +459,55 @@ static const struct xe_rtp_entry_sr engine_was[] = {
 	  XE_RTP_RULES(GRAPHICS_VERSION(2004), FUNC(xe_rtp_match_first_render_or_compute)),
 	  XE_RTP_ACTIONS(SET(TDL_TSL_CHICKEN, SLM_WMTP_RESTORE))
 	},
+
+	/* Xe2_HPG */
+
+	{ XE_RTP_NAME("16018712365"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001), FUNC(xe_rtp_match_first_render_or_compute)),
+	  XE_RTP_ACTIONS(SET(LSC_CHICKEN_BIT_0_UDW, XE2_ALLOC_DPA_STARVE_FIX_DIS))
+	},
+	{ XE_RTP_NAME("16018737384"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001), FUNC(xe_rtp_match_first_render_or_compute)),
+	  XE_RTP_ACTIONS(SET(ROW_CHICKEN, EARLY_EOT_DIS))
+	},
+	{ XE_RTP_NAME("14019988906"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001), FUNC(xe_rtp_match_first_render_or_compute)),
+	  XE_RTP_ACTIONS(SET(XEHP_PSS_CHICKEN, FLSH_IGNORES_PSD))
+	},
+	{ XE_RTP_NAME("14019877138"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001), FUNC(xe_rtp_match_first_render_or_compute)),
+	  XE_RTP_ACTIONS(SET(XEHP_PSS_CHICKEN, FD_END_COLLECT))
+	},
+	{ XE_RTP_NAME("14020338487"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001), FUNC(xe_rtp_match_first_render_or_compute)),
+	  XE_RTP_ACTIONS(SET(ROW_CHICKEN3, XE2_EUPEND_CHK_FLUSH_DIS))
+	},
+	{ XE_RTP_NAME("18032247524"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001), FUNC(xe_rtp_match_first_render_or_compute)),
+	  XE_RTP_ACTIONS(SET(LSC_CHICKEN_BIT_0, SEQUENTIAL_ACCESS_UPGRADE_DISABLE))
+	},
+	{ XE_RTP_NAME("14018471104"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001), FUNC(xe_rtp_match_first_render_or_compute)),
+	  XE_RTP_ACTIONS(SET(LSC_CHICKEN_BIT_0_UDW, ENABLE_SMP_LD_RENDER_SURFACE_CONTROL))
+	},
+	/*
+	 * Although this workaround isn't required for the RCS, disabling these
+	 * reports has no impact for our driver or the GuC, so we go ahead and
+	 * apply this to all engines for simplicity.
+	 */
+	{ XE_RTP_NAME("16021639441"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001)),
+	  XE_RTP_ACTIONS(SET(CSFE_CHICKEN1(0),
+			     GHWSP_CSB_REPORT_DIS |
+			     PPHWSP_CSB_AND_TIMESTAMP_REPORT_DIS,
+			     XE_RTP_ACTION_FLAG(ENGINE_BASE)))
+	},
+	{ XE_RTP_NAME("14019811474"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001),
+		       FUNC(xe_rtp_match_first_render_or_compute)),
+	  XE_RTP_ACTIONS(SET(LSC_CHICKEN_BIT_0, WR_REQ_CHAINING_DIS))
+	},
+
 	{}
 };
 
@@ -580,6 +629,20 @@ static const struct xe_rtp_entry_sr lrc_was[] = {
 	  XE_RTP_ACTIONS(SET(INSTPM(RENDER_RING_BASE), ENABLE_SEMAPHORE_POLL_BIT))
 	},
 
+	/* Xe2_HPG */
+	{ XE_RTP_NAME("15010599737"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001), ENGINE_CLASS(RENDER)),
+	  XE_RTP_ACTIONS(SET(CHICKEN_RASTER_1, DIS_SF_ROUND_NEAREST_EVEN))
+	},
+	{ XE_RTP_NAME("14019386621"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001), ENGINE_CLASS(RENDER)),
+	  XE_RTP_ACTIONS(SET(VF_SCRATCHPAD, XE2_VFG_TED_CREDIT_INTERFACE_DISABLE))
+	},
+	{ XE_RTP_NAME("14020756599"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2001), ENGINE_CLASS(RENDER)),
+	  XE_RTP_ACTIONS(SET(WM_CHICKEN3, HIZ_PLANE_COMPRESSION_DIS))
+	},
+
 	{}
 };
 
-- 
2.25.1