From: Swathi Dhanavanthri <swathi.dhanavanthri@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH] drm/i915: Add Wa_14011060649
Date: Thu, 11 Mar 2021 10:26:12 -0800 [thread overview]
Message-ID: <20210311182612.17004-1-swathi.dhanavanthri@intel.com> (raw)
This is a permanent workaround for TGL,RKL,DG1 and ADLS.
Signed-off-by: Swathi Dhanavanthri <swathi.dhanavanthri@intel.com>
---
drivers/gpu/drm/i915/gt/intel_workarounds.c | 23 +++++++++++++++++++++
drivers/gpu/drm/i915/i915_reg.h | 3 +++
2 files changed, 26 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 3b4a7da60f0b..683a0446337a 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1117,11 +1117,34 @@ icl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
L3_CLKGATE_DIS | L3_CR2X_CLKGATE_DIS);
}
+/*
+ * This is a common function for WA 14011060649
+ */
+static void
+wa_14011060649(struct drm_i915_private *i915, struct i915_wa_list *wal)
+{
+ struct intel_engine_cs *engine;
+ struct intel_gt *gt = &i915->gt;
+ int id;
+
+ for_each_engine(engine, gt, id) {
+ if ((engine->class != VIDEO_DECODE_CLASS) ||
+ (engine->instance % 2))
+ continue;
+
+ wa_write_or(wal, VDBOX_CGCTL3F10(engine->mmio_base),
+ IECPUNIT_CLKGATE_DIS);
+ }
+}
+
static void
gen12_gt_workarounds_init(struct drm_i915_private *i915,
struct i915_wa_list *wal)
{
wa_init_mcr(i915, wal);
+
+ /* Wa_14011060649:tgl,rkl,dg1,adls */
+ wa_14011060649(i915, wal);
}
static void
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index e5dd0203991b..cc60556306e2 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2715,6 +2715,9 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define RING_INDIRECT_CTX_OFFSET(base) _MMIO((base) + 0x1c8) /* gen8+ */
#define RING_CTX_TIMESTAMP(base) _MMIO((base) + 0x3a8) /* gen8+ */
+#define VDBOX_CGCTL3F10(base) _MMIO((base) + 0x3f10)
+#define IECPUNIT_CLKGATE_DIS REG_BIT(22)
+
#define ERROR_GEN6 _MMIO(0x40a0)
#define GEN7_ERR_INT _MMIO(0x44040)
#define ERR_INT_POISON (1 << 31)
--
2.20.1
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next reply other threads:[~2021-03-11 18:36 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-11 18:26 Swathi Dhanavanthri [this message]
2021-03-11 19:14 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Add Wa_14011060649 Patchwork
2021-03-11 19:46 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-03-11 21:03 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2021-03-12 18:16 ` [Intel-gfx] [PATCH] " Matt Roper
-- strict thread matches above, loose matches on Subject: below --
2021-03-16 22:12 Swathi Dhanavanthri
2021-03-16 23:57 Swathi Dhanavanthri
2021-03-17 4:13 ` Lucas De Marchi
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