Initialize mmhub ras block only when mmhub ip block
supports ras features. Driver queries ras capabilities
after early_init, ras block init needs to be moved to
sw_init.
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/Makefile | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c | 9 +++++
drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.c | 46 +++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h | 2 +
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 9 -----
5 files changed, 58 insertions(+), 10 deletions(-)
create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.c
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index d4dfd48451ce..00c33ce38761 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -54,7 +54,7 @@ amdgpu-y += amdgpu_device.o amdgpu_kms.o \
amdgpu_ucode.o amdgpu_bo_list.o amdgpu_ctx.o amdgpu_sync.o \
amdgpu_gtt_mgr.o amdgpu_preempt_mgr.o amdgpu_vram_mgr.o amdgpu_virt.o \
amdgpu_atomfirmware.o amdgpu_vf_error.o amdgpu_sched.o \
- amdgpu_debugfs.o amdgpu_ids.o amdgpu_gmc.o \
+ amdgpu_debugfs.o amdgpu_ids.o amdgpu_gmc.o amdgpu_mmhub.o \
amdgpu_xgmi.o amdgpu_csa.o amdgpu_ras.o amdgpu_vm_cpu.o \
amdgpu_vm_sdma.o amdgpu_discovery.o amdgpu_ras_eeprom.o amdgpu_nbio.o \
amdgpu_umc.o smu_v11_0_i2c.o amdgpu_fru_eeprom.o amdgpu_rap.o \
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 97a12d8d786a..e90c59693c31 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -459,6 +459,15 @@ int amdgpu_gmc_ras_sw_init(struct amdgpu_device *adev)
}
}
+ /* mmhub ras block */
+ if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__MMHUB)) {
+ r = amdgpu_mmhub_ras_sw_init(adev);
+ if (r) {
+ dev_err(adev->dev, "Failed to initialize mmhub ras block!\n");
+ return r;
+ }
+ }
+
/* xgmi ras block */
if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__XGMI_WAFL)) {
adev->gmc.xgmi.ras = &xgmi_ras;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.c
new file mode 100644
index 000000000000..0f6b1021fef3
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 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) 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 "amdgpu_ras.h"
+
+int amdgpu_mmhub_ras_sw_init(struct amdgpu_device *adev)
+{
+ int err;
+ struct amdgpu_mmhub_ras *ras;
+
+ if (!adev->mmhub.ras)
+ return 0;
+
+ ras = adev->mmhub.ras;
+ err = amdgpu_ras_register_ras_block(adev, &ras->ras_block);
+ if (err) {
+ dev_err(adev->dev, "Failed to register mmhub ras block!\n");
+ return err;
+ }
+
+ strcpy(ras->ras_block.ras_comm.name, "mmhub");
+ ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__MMHUB;
+ ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
+ adev->mmhub.ras_if = &ras->ras_block.ras_comm;
+
+ /* mmhub ras follows amdgpu_ras_block_late_init_default for late init */
+ return 0;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h
index 93430d3823c9..d21bb6dae56e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.h
@@ -48,5 +48,7 @@ struct amdgpu_mmhub {
struct amdgpu_mmhub_ras *ras;
};
+int amdgpu_mmhub_ras_sw_init(struct amdgpu_device *adev);
+
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index e9b6599e790c..b3bb70210122 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1351,15 +1351,6 @@ static void gmc_v9_0_set_mmhub_ras_funcs(struct amdgpu_device *adev)
/* mmhub ras is not available */
break;
}
-
- if (adev->mmhub.ras) {
- amdgpu_ras_register_ras_block(adev, &adev->mmhub.ras->ras_block);
-
- strcpy(adev->mmhub.ras->ras_block.ras_comm.name, "mmhub");
- adev->mmhub.ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__MMHUB;
- adev->mmhub.ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
- adev->mmhub.ras_if = &adev->mmhub.ras->ras_block.ras_comm;
- }
}
static void gmc_v9_0_set_gfxhub_funcs(struct amdgpu_device *adev)
--
2.17.1
