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authorClint Taylor <clinton.a.taylor@intel.com>2022-02-11 08:23:33 +0300
committerMatt Roper <matthew.d.roper@intel.com>2022-02-25 22:32:42 +0300
commit1be6b46f731392267eeebef9d59600ff9999a987 (patch)
tree4f757662c131c77204295cf3815a9244c6a94871 /drivers/gpu/drm/i915
parent8fbf28934acfdac08073a2d5697c7cacae8d3997 (diff)
downloadlinux-1be6b46f731392267eeebef9d59600ff9999a987.tar.xz
drm/i915/dg2: add Wa_14014947963
BSPEC: 46123 v2: Address review feedback [MattR] v3: move register definition to gt_regs [MattR] Cc: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220211052333.12306-1-clinton.a.taylor@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_regs.h3
-rw-r--r--drivers/gpu/drm/i915/gt/intel_workarounds.c5
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
index 18d158d77aba..d752db5669dd 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h
@@ -465,6 +465,9 @@
#define GEN9_PGCTL_SSB_EU210_ACK (1 << 12)
#define GEN9_PGCTL_SSB_EU311_ACK (1 << 14)
+#define VF_PREEMPTION _MMIO(0x83a4)
+#define PREEMPTION_VERTEX_COUNT REG_GENMASK(15, 0)
+
#define GEN8_RC6_CTX_INFO _MMIO(0x8504)
#define GEN12_SQCM _MMIO(0x8724)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index b3067aed7f3e..0471d475e680 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -683,6 +683,11 @@ static void dg2_ctx_workarounds_init(struct intel_engine_cs *engine,
/* Wa_16013271637:dg2 */
wa_masked_en(wal, SLICE_COMMON_ECO_CHICKEN1,
MSC_MSAA_REODER_BUF_BYPASS_DISABLE);
+
+ /* Wa_14014947963:dg2 */
+ if (IS_DG2_GRAPHICS_STEP(engine->i915, G10, STEP_B0, STEP_FOREVER) ||
+ IS_DG2_G11(engine->i915) || IS_DG2_G12(engine->i915))
+ wa_masked_field_set(wal, VF_PREEMPTION, PREEMPTION_VERTEX_COUNT, 0x4000);
}
static void fakewa_disable_nestedbb_mode(struct intel_engine_cs *engine,