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From: Matt Roper <matthew.d.roper@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH v4 07/18] drm/i915/dg2: Report INSTDONE_GEOM values in error state
Date: Thu, 29 Jul 2021 09:59:57 -0700	[thread overview]
Message-ID: <20210729170008.2836648-8-matthew.d.roper@intel.com> (raw)
In-Reply-To: <20210729170008.2836648-1-matthew.d.roper@intel.com>

Xe_HPG adds some additional INSTDONE_GEOM debug registers; the Mesa team
has indicated that having these reported in the error state would be
useful for debugging GPU hangs.  These registers are replicated per-DSS
with gslice steering.

Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_engine_cs.c    |  7 +++++++
 drivers/gpu/drm/i915/gt/intel_engine_types.h |  3 +++
 drivers/gpu/drm/i915/i915_gpu_error.c        | 10 ++++++++--
 drivers/gpu/drm/i915/i915_reg.h              |  1 +
 4 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 06733e86e88b..0a70a3baef9d 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -1205,6 +1205,13 @@ void intel_engine_get_instdone(const struct intel_engine_cs *engine,
 							  GEN7_ROW_INSTDONE);
 			}
 		}
+
+		if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 55)) {
+			for_each_instdone_gslice_dss_xehp(i915, sseu, iter, slice, subslice)
+				instdone->geom_svg[slice][subslice] =
+					read_subslice_reg(engine, slice, subslice,
+							  XEHPG_INSTDONE_GEOM_SVG);
+		}
 	} else if (GRAPHICS_VER(i915) >= 7) {
 		instdone->instdone =
 			intel_uncore_read(uncore, RING_INSTDONE(mmio_base));
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index 0b4846b01626..bfbfe53c23dd 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -69,6 +69,9 @@ struct intel_instdone {
 	u32 slice_common_extra[2];
 	u32 sampler[GEN_MAX_GSLICES][I915_MAX_SUBSLICES];
 	u32 row[GEN_MAX_GSLICES][I915_MAX_SUBSLICES];
+
+	/* Added in XeHPG */
+	u32 geom_svg[GEN_MAX_GSLICES][I915_MAX_SUBSLICES];
 };
 
 /*
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 8230bc3ac8a9..91d5da7b0a2b 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -431,6 +431,7 @@ static void error_print_instdone(struct drm_i915_error_state_buf *m,
 	const struct sseu_dev_info *sseu = &ee->engine->gt->info.sseu;
 	int slice;
 	int subslice;
+	int iter;
 
 	err_printf(m, "  INSTDONE: 0x%08x\n",
 		   ee->instdone.instdone);
@@ -445,8 +446,6 @@ static void error_print_instdone(struct drm_i915_error_state_buf *m,
 		return;
 
 	if (GRAPHICS_VER_FULL(m->i915) >= IP_VER(12, 50)) {
-		int iter;
-
 		for_each_instdone_gslice_dss_xehp(m->i915, sseu, iter, slice, subslice)
 			err_printf(m, "  SAMPLER_INSTDONE[%d][%d]: 0x%08x\n",
 				   slice, subslice,
@@ -471,6 +470,13 @@ static void error_print_instdone(struct drm_i915_error_state_buf *m,
 	if (GRAPHICS_VER(m->i915) < 12)
 		return;
 
+	if (GRAPHICS_VER_FULL(m->i915) >= IP_VER(12, 55)) {
+		for_each_instdone_gslice_dss_xehp(m->i915, sseu, iter, slice, subslice)
+			err_printf(m, "  GEOM_SVGUNIT_INSTDONE[%d][%d]: 0x%08x\n",
+				   slice, subslice,
+				   ee->instdone.geom_svg[slice][subslice]);
+	}
+
 	err_printf(m, "  SC_INSTDONE_EXTRA: 0x%08x\n",
 		   ee->instdone.slice_common_extra[0]);
 	err_printf(m, "  SC_INSTDONE_EXTRA2: 0x%08x\n",
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 39ce6befff52..62af453c8c54 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2757,6 +2757,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
 #define GEN12_SC_INSTDONE_EXTRA2	_MMIO(0x7108)
 #define GEN7_SAMPLER_INSTDONE	_MMIO(0xe160)
 #define GEN7_ROW_INSTDONE	_MMIO(0xe164)
+#define XEHPG_INSTDONE_GEOM_SVG		_MMIO(0x666c)
 #define MCFG_MCR_SELECTOR		_MMIO(0xfd0)
 #define SF_MCR_SELECTOR			_MMIO(0xfd8)
 #define GEN8_MCR_SELECTOR		_MMIO(0xfdc)
-- 
2.25.4

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  parent reply	other threads:[~2021-07-29 17:00 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-29 16:59 [Intel-gfx] [PATCH v4 00/18] Begin enabling Xe_HP SDV and DG2 platforms Matt Roper
2021-07-29 16:59 ` [Intel-gfx] [PATCH v4 01/18] drm/i915/xehp: handle new steering options Matt Roper
2021-08-04 19:53   ` Lucas De Marchi
2021-07-29 16:59 ` [Intel-gfx] [PATCH v4 02/18] drm/i915/xehpsdv: Define steering tables Matt Roper
2021-08-04 20:13   ` Lucas De Marchi
2021-07-29 16:59 ` [Intel-gfx] [PATCH v4 03/18] drm/i915/dg2: Add forcewake table Matt Roper
2021-08-04  0:15   ` Souza, Jose
2021-07-29 16:59 ` [Intel-gfx] [PATCH v4 04/18] drm/i915/dg2: Update LNCF steering ranges Matt Roper
2021-08-04 20:16   ` Lucas De Marchi
2021-07-29 16:59 ` [Intel-gfx] [PATCH v4 05/18] drm/i915/dg2: Add SQIDI steering Matt Roper
2021-08-04 20:22   ` Lucas De Marchi
2021-08-05 15:11     ` Matt Roper
2021-07-29 16:59 ` [Intel-gfx] [PATCH v4 06/18] drm/i915/xehp: Loop over all gslices for INSTDONE processing Matt Roper
2021-07-29 16:59 ` Matt Roper [this message]
2021-07-29 16:59 ` [Intel-gfx] [PATCH v4 08/18] drm/i915/xehp: Changes to ss/eu definitions Matt Roper
2021-08-04  0:17   ` Souza, Jose
2021-07-29 16:59 ` [Intel-gfx] [PATCH v4 09/18] drm/i915/xehpsdv: Add maximum sseu limits Matt Roper
2021-08-04 20:26   ` Lucas De Marchi
2021-07-29 17:00 ` [Intel-gfx] [PATCH v4 10/18] drm/i915/xehpsdv: Add compute DSS type Matt Roper
2021-08-04 20:36   ` Lucas De Marchi
2021-08-04 21:00     ` Matt Roper
2021-07-29 17:00 ` [Intel-gfx] [PATCH v4 11/18] drm/i915/dg2: DG2 uses the same sseu limits as XeHP SDV Matt Roper
2021-07-29 17:00 ` [Intel-gfx] [PATCH v4 12/18] drm/i915/xehpsdv: Define MOCS table for " Matt Roper
2021-07-29 17:31   ` Lucas De Marchi
2021-07-30  7:16     ` Siddiqui, Ayaz A
2021-07-30 17:01       ` Matt Roper
2021-07-29 17:00 ` [Intel-gfx] [PATCH v4 13/18] drm/i915/dg2: Define MOCS table for DG2 Matt Roper
2021-07-29 17:00 ` [Intel-gfx] [PATCH v4 14/18] drm/i915/xehpsdv: factor out function to read RP_STATE_CAP Matt Roper
2021-07-29 17:00 ` [Intel-gfx] [PATCH v4 15/18] drm/i915/xehpsdv: Read correct RP_STATE_CAP register Matt Roper
2021-07-29 17:00 ` [Intel-gfx] [PATCH v4 16/18] drm/i915/dg2: Add new LRI reg offsets Matt Roper
2021-07-29 17:00 ` [Intel-gfx] [PATCH v4 17/18] drm/i915/dg2: Maintain backward-compatible nested batch behavior Matt Roper
2021-07-29 17:00 ` [Intel-gfx] [PATCH v4 18/18] drm/i915/dg2: Configure PCON in DP pre-enable path Matt Roper
2021-07-29 20:59 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Begin enabling Xe_HP SDV and DG2 platforms (rev8) Patchwork

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