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authorDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>2023-08-17 13:18:27 -0700
committerRodrigo Vivi <rodrigo.vivi@intel.com>2023-12-21 11:40:20 -0500
commit3d2b5d4e28d9c58ea97704fe1eb663aee2556449 (patch)
tree6110f77e0ae60f0b585e893c9842de27d9797484 /drivers
parent296549107e4766bb927debd016527c71fb6faf36 (diff)
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drm/xe: add GSCCS irq support
The GSCCS has its own enable and mask registers. The interrupt identity for the GSCCS shows OTHER_CLASS instance 6. Bspec: 54029, 54030 Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Link: https://lore.kernel.org/r/20230817201831.1583172-4-daniele.ceraolospurio@intel.com Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/xe/regs/xe_gt_regs.h2
-rw-r--r--drivers/gpu/drm/xe/xe_irq.c25
2 files changed, 20 insertions, 7 deletions
diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
index 5f635682ce5a..b6e870302cc7 100644
--- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
+++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
@@ -380,6 +380,7 @@
#define RENDER_COPY_INTR_ENABLE XE_REG(0x190030)
#define VCS_VECS_INTR_ENABLE XE_REG(0x190034)
+#define GUNIT_GSC_INTR_ENABLE XE_REG(0x190044)
#define CCS_RSVD_INTR_ENABLE XE_REG(0x190048)
#define IIR_REG_SELECTOR(x) XE_REG(0x190070 + ((x) * 4))
#define RCS0_RSVD_INTR_MASK XE_REG(0x190090)
@@ -389,6 +390,7 @@
#define VECS0_VECS1_INTR_MASK XE_REG(0x1900d0)
#define GUC_SG_INTR_MASK XE_REG(0x1900e8)
#define GPM_WGBOXPERF_INTR_MASK XE_REG(0x1900ec)
+#define GUNIT_GSC_INTR_MASK XE_REG(0x1900f4)
#define CCS0_CCS1_INTR_MASK XE_REG(0x190100)
#define CCS2_CCS3_INTR_MASK XE_REG(0x190104)
#define XEHPC_BCS1_BCS2_INTR_MASK XE_REG(0x190110)
diff --git a/drivers/gpu/drm/xe/xe_irq.c b/drivers/gpu/drm/xe/xe_irq.c
index 69629be07de2..ef434142bcd9 100644
--- a/drivers/gpu/drm/xe/xe_irq.c
+++ b/drivers/gpu/drm/xe/xe_irq.c
@@ -175,6 +175,11 @@ void xe_irq_enable_hwe(struct xe_gt *gt)
xe_mmio_write32(gt, VCS0_VCS1_INTR_MASK, ~dmask);
xe_mmio_write32(gt, VCS2_VCS3_INTR_MASK, ~dmask);
xe_mmio_write32(gt, VECS0_VECS1_INTR_MASK, ~dmask);
+
+ if (xe_hw_engine_mask_per_class(gt, XE_ENGINE_CLASS_OTHER)) {
+ xe_mmio_write32(gt, GUNIT_GSC_INTR_ENABLE, irqs);
+ xe_mmio_write32(gt, GUNIT_GSC_INTR_MASK, ~irqs);
+ }
}
}
@@ -243,7 +248,7 @@ static struct xe_gt *pick_engine_gt(struct xe_tile *tile,
return tile->media_gt;
if (class == XE_ENGINE_CLASS_OTHER &&
- instance == OTHER_MEDIA_GUC_INSTANCE)
+ (instance == OTHER_MEDIA_GUC_INSTANCE || instance == OTHER_GSC_INSTANCE))
return tile->media_gt;
return tile->primary_gt;
@@ -280,16 +285,16 @@ static void gt_irq_handler(struct xe_tile *tile,
engine_gt = pick_engine_gt(tile, class, instance);
- if (class == XE_ENGINE_CLASS_OTHER) {
- gt_other_irq_handler(engine_gt, instance, intr_vec);
+ hwe = xe_gt_hw_engine(engine_gt, class, instance, false);
+ if (hwe) {
+ xe_hw_engine_handle_irq(hwe, intr_vec);
continue;
}
- hwe = xe_gt_hw_engine(engine_gt, class, instance, false);
- if (!hwe)
+ if (class == XE_ENGINE_CLASS_OTHER) {
+ gt_other_irq_handler(engine_gt, instance, intr_vec);
continue;
-
- xe_hw_engine_handle_irq(hwe, intr_vec);
+ }
}
}
@@ -457,6 +462,12 @@ static void gt_irq_reset(struct xe_tile *tile)
if (ccs_mask & (BIT(2)|BIT(3)))
xe_mmio_write32(mmio, CCS2_CCS3_INTR_MASK, ~0);
+ if (tile->media_gt &&
+ xe_hw_engine_mask_per_class(tile->media_gt, XE_ENGINE_CLASS_OTHER)) {
+ xe_mmio_write32(mmio, GUNIT_GSC_INTR_ENABLE, 0);
+ xe_mmio_write32(mmio, GUNIT_GSC_INTR_MASK, ~0);
+ }
+
xe_mmio_write32(mmio, GPM_WGBOXPERF_INTR_ENABLE, 0);
xe_mmio_write32(mmio, GPM_WGBOXPERF_INTR_MASK, ~0);
xe_mmio_write32(mmio, GUC_SG_INTR_ENABLE, 0);