Adding upstream version 6.8.9.upstream/6.8.9

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 121 insertions, 0 deletions

diff --git a/drivers/gpu/drm/xe/xe_tuning.c b/drivers/gpu/drm/xe/xe_tuning.c
new file mode 100644
index 0000000000..53ccd338fd
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_tuning.c
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#include "xe_tuning.h"
+
+#include <kunit/visibility.h>
+
+#include "regs/xe_gt_regs.h"
+#include "xe_gt_types.h"
+#include "xe_platform_types.h"
+#include "xe_rtp.h"
+
+#undef XE_REG_MCR
+#define XE_REG_MCR(...)     XE_REG(__VA_ARGS__, .mcr = 1)
+
+static const struct xe_rtp_entry_sr gt_tunings[] = {
+	{ XE_RTP_NAME("Tuning: Blend Fill Caching Optimization Disable"),
+	  XE_RTP_RULES(PLATFORM(DG2)),
+	  XE_RTP_ACTIONS(SET(XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS))
+	},
+	{ XE_RTP_NAME("Tuning: 32B Access Enable"),
+	  XE_RTP_RULES(PLATFORM(DG2)),
+	  XE_RTP_ACTIONS(SET(XEHP_SQCM, EN_32B_ACCESS))
+	},
+
+	/* Xe2 */
+
+	{ XE_RTP_NAME("Tuning: L3 cache"),
+	  XE_RTP_RULES(GRAPHICS_VERSION(2004)),
+	  XE_RTP_ACTIONS(FIELD_SET(XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
+				   REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
+	},
+	{ XE_RTP_NAME("Tuning: L3 cache - media"),
+	  XE_RTP_RULES(MEDIA_VERSION(2000)),
+	  XE_RTP_ACTIONS(FIELD_SET(XE2LPM_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
+				   REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
+	},
+
+	{}
+};
+
+static const struct xe_rtp_entry_sr engine_tunings[] = {
+	{ XE_RTP_NAME("Tuning: Set Indirect State Override"),
+	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, 1271),
+		       ENGINE_CLASS(RENDER)),
+	  XE_RTP_ACTIONS(SET(SAMPLER_MODE, INDIRECT_STATE_BASE_ADDR_OVERRIDE))
+	},
+	{}
+};
+
+static const struct xe_rtp_entry_sr lrc_tunings[] = {
+	{ XE_RTP_NAME("Tuning: ganged timer, also known as 16011163337"),
+	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, 1210), ENGINE_CLASS(RENDER)),
+	  /* read verification is ignored due to 1608008084. */
+	  XE_RTP_ACTIONS(FIELD_SET_NO_READ_MASK(FF_MODE2,
+						FF_MODE2_GS_TIMER_MASK,
+						FF_MODE2_GS_TIMER_224))
+	},
+
+	/* DG2 */
+
+	{ XE_RTP_NAME("Tuning: L3 cache"),
+	  XE_RTP_RULES(PLATFORM(DG2), ENGINE_CLASS(RENDER)),
+	  XE_RTP_ACTIONS(FIELD_SET(XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
+				   REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
+	},
+	{ XE_RTP_NAME("Tuning: TDS gang timer"),
+	  XE_RTP_RULES(PLATFORM(DG2), ENGINE_CLASS(RENDER)),
+	  /* read verification is ignored as in i915 - need to check enabling */
+	  XE_RTP_ACTIONS(FIELD_SET_NO_READ_MASK(XEHP_FF_MODE2,
+						FF_MODE2_TDS_TIMER_MASK,
+						FF_MODE2_TDS_TIMER_128))
+	},
+	{ XE_RTP_NAME("Tuning: TBIMR fast clip"),
+	  XE_RTP_RULES(PLATFORM(DG2), ENGINE_CLASS(RENDER)),
+	  XE_RTP_ACTIONS(SET(CHICKEN_RASTER_2, TBIMR_FAST_CLIP))
+	},
+
+	/* Xe_LPG */
+
+	{ XE_RTP_NAME("Tuning: L3 cache"),
+	  XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1270, 1271), ENGINE_CLASS(RENDER)),
+	  XE_RTP_ACTIONS(FIELD_SET(XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
+				   REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
+	},
+
+	{}
+};
+
+void xe_tuning_process_gt(struct xe_gt *gt)
+{
+	struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(gt);
+
+	xe_rtp_process_to_sr(&ctx, gt_tunings, &gt->reg_sr);
+}
+EXPORT_SYMBOL_IF_KUNIT(xe_tuning_process_gt);
+
+void xe_tuning_process_engine(struct xe_hw_engine *hwe)
+{
+	struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(hwe);
+
+	xe_rtp_process_to_sr(&ctx, engine_tunings, &hwe->reg_sr);
+}
+EXPORT_SYMBOL_IF_KUNIT(xe_tuning_process_engine);
+
+/**
+ * xe_tuning_process_lrc - process lrc tunings
+ * @hwe: engine instance to process tunings for
+ *
+ * Process LRC table for this platform, saving in @hwe all the tunings that need
+ * to be applied on context restore. These are tunings touching registers that
+ * are part of the HW context image.
+ */
+void xe_tuning_process_lrc(struct xe_hw_engine *hwe)
+{
+	struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(hwe);
+
+	xe_rtp_process_to_sr(&ctx, lrc_tunings, &hwe->reg_lrc);
+}