1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0_3.c
new file mode 100644
index 000000000..26d6286d8
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0_3.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2023 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "amdgpu.h"
+#include "soc21.h"
+#include "gc/gc_11_0_3_offset.h"
+#include "gc/gc_11_0_3_sh_mask.h"
+#include "ivsrcid/gfx/irqsrcs_gfx_11_0_0.h"
+#include "soc15.h"
+#include "soc15d.h"
+#include "gfx_v11_0.h"
+
+
+static int gfx_v11_0_3_rlc_gc_fed_irq(struct amdgpu_device *adev,
+				  struct amdgpu_irq_src *source,
+				  struct amdgpu_iv_entry *entry)
+{
+	uint32_t rlc_status0 = 0, rlc_status1 = 0;
+	struct ras_common_if *ras_if = NULL;
+	struct ras_dispatch_if ih_data = {
+		.entry = entry,
+	};
+
+	rlc_status0 = RREG32(SOC15_REG_OFFSET(GC, 0, regRLC_RLCS_FED_STATUS_0));
+	rlc_status1 = RREG32(SOC15_REG_OFFSET(GC, 0, regRLC_RLCS_FED_STATUS_1));
+
+	if (!rlc_status0 && !rlc_status1) {
+		dev_warn(adev->dev, "RLC_GC_FED irq is generated, but rlc_status0 and rlc_status1 are empty!\n");
+		return 0;
+	}
+
+	/* Use RLC_RLCS_FED_STATUS_0/1 to distinguish FED error block. */
+	if (REG_GET_FIELD(rlc_status0, RLC_RLCS_FED_STATUS_0, SDMA0_FED_ERR) ||
+	    REG_GET_FIELD(rlc_status0, RLC_RLCS_FED_STATUS_0, SDMA1_FED_ERR))
+		ras_if = adev->sdma.ras_if;
+	else
+		ras_if = adev->gfx.ras_if;
+
+	if (!ras_if) {
+		dev_err(adev->dev, "Gfx or sdma ras block not initialized, rlc_status0:0x%x.\n",
+				rlc_status0);
+		return -EINVAL;
+	}
+
+	dev_warn(adev->dev, "RLC %s FED IRQ\n", ras_if->name);
+
+	if (!amdgpu_sriov_vf(adev)) {
+		ih_data.head = *ras_if;
+		amdgpu_ras_interrupt_dispatch(adev, &ih_data);
+	} else {
+		if (adev->virt.ops && adev->virt.ops->ras_poison_handler)
+			adev->virt.ops->ras_poison_handler(adev);
+		else
+			dev_warn(adev->dev,
+				"No ras_poison_handler interface in SRIOV for %s!\n", ras_if->name);
+	}
+
+	return 0;
+}
+
+static int gfx_v11_0_3_poison_consumption_handler(struct amdgpu_device *adev,
+					struct amdgpu_iv_entry *entry)
+{
+	/* Workaround: when vmid and pasid are both zero, trigger gpu reset in KGD. */
+	if (entry && (entry->client_id == SOC21_IH_CLIENTID_GFX) &&
+	    (entry->src_id == GFX_11_0_0__SRCID__RLC_GC_FED_INTERRUPT) &&
+	     !entry->vmid && !entry->pasid) {
+		uint32_t rlc_status0 = 0;
+
+		rlc_status0 = RREG32_SOC15(GC, 0, regRLC_RLCS_FED_STATUS_0);
+
+		if (REG_GET_FIELD(rlc_status0, RLC_RLCS_FED_STATUS_0, SDMA0_FED_ERR) ||
+		    REG_GET_FIELD(rlc_status0, RLC_RLCS_FED_STATUS_0, SDMA1_FED_ERR)) {
+			struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
+
+			ras->gpu_reset_flags |= AMDGPU_RAS_GPU_RESET_MODE2_RESET;
+		}
+
+		amdgpu_ras_reset_gpu(adev);
+	}
+
+	return 0;
+}
+
+struct amdgpu_gfx_ras gfx_v11_0_3_ras = {
+	.rlc_gc_fed_irq = gfx_v11_0_3_rlc_gc_fed_irq,
+	.poison_consumption_handler = gfx_v11_0_3_poison_consumption_handler,
+};