drm/amdgpu: Add umc v8_14 ras functions

Add umc v8_14 ras functions.

Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index c7b18c52825d67b8dace1901810db9f9add02a0d..f124851175a719bdd9116589afadb655fdace114 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -105,7 +105,7 @@ amdgpu-y += \
 
 # add UMC block
 amdgpu-y += \
-       umc_v6_0.o umc_v6_1.o umc_v6_7.o umc_v8_7.o umc_v8_10.o umc_v12_0.o
+       umc_v6_0.o umc_v6_1.o umc_v6_7.o umc_v8_7.o umc_v8_10.o umc_v12_0.o umc_v8_14.o
 
 # add IH block
 amdgpu-y += \

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
index 621769255ffac20219ab7a5a965fbe643bd3553e..b749f1c3f6a9afb65634ed118f4734438df11877 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
@@ -40,7 +40,7 @@
 #include "gfxhub_v12_0.h"
 #include "mmhub_v4_1_0.h"
 #include "athub_v4_1_0.h"
-
+#include "umc_v8_14.h"
 
 static int gmc_v12_0_ecc_interrupt_state(struct amdgpu_device *adev,
                                         struct amdgpu_irq_src *src,
@@ -581,6 +581,18 @@ static void gmc_v12_0_set_gmc_funcs(struct amdgpu_device *adev)
 
 static void gmc_v12_0_set_umc_funcs(struct amdgpu_device *adev)
 {
+       switch (amdgpu_ip_version(adev, UMC_HWIP, 0)) {
+       case IP_VERSION(8, 14, 0):
+               adev->umc.channel_inst_num = UMC_V8_14_CHANNEL_INSTANCE_NUM;
+               adev->umc.umc_inst_num = UMC_V8_14_UMC_INSTANCE_NUM(adev);
+               adev->umc.node_inst_num = 0;
+               adev->umc.max_ras_err_cnt_per_query = UMC_V8_14_TOTAL_CHANNEL_NUM(adev);
+               adev->umc.channel_offs = UMC_V8_14_PER_CHANNEL_OFFSET;
+               adev->umc.ras = &umc_v8_14_ras;
+               break;
+       default:
+               break;
+       }
 }
 
 
@@ -829,6 +841,10 @@ static int gmc_v12_0_sw_init(struct amdgpu_ip_block *ip_block)
 
        amdgpu_vm_manager_init(adev);
 
+       r = amdgpu_gmc_ras_sw_init(adev);
+       if (r)
+               return r;
+
        return 0;
 }
 

diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v8_14.c b/drivers/gpu/drm/amd/amdgpu/umc_v8_14.c
new file mode 100644 (file)
index 0000000..eaca10a
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/umc_v8_14.c
@@ -0,0 +1,160 @@
+/*
+ * Copyright 2024 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 "umc_v8_14.h"
+#include "amdgpu_ras.h"
+#include "amdgpu_umc.h"
+#include "amdgpu.h"
+#include "umc/umc_8_14_0_offset.h"
+#include "umc/umc_8_14_0_sh_mask.h"
+
+static inline uint32_t get_umc_v8_14_reg_offset(struct amdgpu_device *adev,
+                                           uint32_t umc_inst,
+                                           uint32_t ch_inst)
+{
+       return adev->umc.channel_offs * ch_inst + UMC_V8_14_INST_DIST * umc_inst;
+}
+
+static int umc_v8_14_clear_error_count_per_channel(struct amdgpu_device *adev,
+                                       uint32_t node_inst, uint32_t umc_inst,
+                                       uint32_t ch_inst, void *data)
+{
+       uint32_t ecc_err_cnt_addr;
+       uint32_t umc_reg_offset =
+               get_umc_v8_14_reg_offset(adev, umc_inst, ch_inst);
+
+       ecc_err_cnt_addr =
+               SOC15_REG_OFFSET(UMC, 0, regUMCCH0_GeccErrCnt);
+
+       /* clear error count */
+       WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4,
+                       UMC_V8_14_CE_CNT_INIT);
+
+       return 0;
+}
+
+static void umc_v8_14_clear_error_count(struct amdgpu_device *adev)
+{
+       amdgpu_umc_loop_channels(adev,
+               umc_v8_14_clear_error_count_per_channel, NULL);
+}
+
+static void umc_v8_14_query_correctable_error_count(struct amdgpu_device *adev,
+                                                  uint32_t umc_reg_offset,
+                                                  unsigned long *error_count)
+{
+       uint32_t ecc_err_cnt, ecc_err_cnt_addr;
+
+       /* UMC 8_14 registers */
+       ecc_err_cnt_addr =
+               SOC15_REG_OFFSET(UMC, 0, regUMCCH0_GeccErrCnt);
+
+       ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4);
+       *error_count +=
+               (REG_GET_FIELD(ecc_err_cnt, UMCCH0_GeccErrCnt, GeccErrCnt) -
+                UMC_V8_14_CE_CNT_INIT);
+}
+
+static void umc_v8_14_query_uncorrectable_error_count(struct amdgpu_device *adev,
+                                                     uint32_t umc_reg_offset,
+                                                     unsigned long *error_count)
+{
+       uint32_t ecc_err_cnt, ecc_err_cnt_addr;
+       /* UMC 8_14 registers */
+       ecc_err_cnt_addr =
+               SOC15_REG_OFFSET(UMC, 0, regUMCCH0_GeccErrCnt);
+
+       ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4);
+       *error_count +=
+               (REG_GET_FIELD(ecc_err_cnt, UMCCH0_GeccErrCnt, GeccUnCorrErrCnt) -
+                UMC_V8_14_CE_CNT_INIT);
+}
+
+static int umc_v8_14_query_error_count_per_channel(struct amdgpu_device *adev,
+                                       uint32_t node_inst, uint32_t umc_inst,
+                                       uint32_t ch_inst, void *data)
+{
+       struct ras_err_data *err_data = (struct ras_err_data *)data;
+       uint32_t umc_reg_offset =
+               get_umc_v8_14_reg_offset(adev, umc_inst, ch_inst);
+
+       umc_v8_14_query_correctable_error_count(adev,
+                                       umc_reg_offset,
+                                       &(err_data->ce_count));
+       umc_v8_14_query_uncorrectable_error_count(adev,
+                                       umc_reg_offset,
+                                       &(err_data->ue_count));
+
+       return 0;
+}
+
+static void umc_v8_14_query_ras_error_count(struct amdgpu_device *adev,
+                                          void *ras_error_status)
+{
+       amdgpu_umc_loop_channels(adev,
+               umc_v8_14_query_error_count_per_channel, ras_error_status);
+
+       umc_v8_14_clear_error_count(adev);
+}
+
+static int umc_v8_14_err_cnt_init_per_channel(struct amdgpu_device *adev,
+                                       uint32_t node_inst, uint32_t umc_inst,
+                                       uint32_t ch_inst, void *data)
+{
+       uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr;
+       uint32_t ecc_err_cnt_addr;
+       uint32_t umc_reg_offset =
+               get_umc_v8_14_reg_offset(adev, umc_inst, ch_inst);
+
+       ecc_err_cnt_sel_addr =
+               SOC15_REG_OFFSET(UMC, 0, regUMCCH0_GeccErrCntSel);
+       ecc_err_cnt_addr =
+               SOC15_REG_OFFSET(UMC, 0, regUMCCH0_GeccErrCnt);
+
+       ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4);
+
+       /* set ce error interrupt type to APIC based interrupt */
+       ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_GeccErrCntSel,
+                                       GeccErrInt, 0x1);
+       WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
+       /* set error count to initial value */
+       WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4, UMC_V8_14_CE_CNT_INIT);
+
+       return 0;
+}
+
+static void umc_v8_14_err_cnt_init(struct amdgpu_device *adev)
+{
+       amdgpu_umc_loop_channels(adev,
+               umc_v8_14_err_cnt_init_per_channel, NULL);
+}
+
+const struct amdgpu_ras_block_hw_ops umc_v8_14_ras_hw_ops = {
+       .query_ras_error_count = umc_v8_14_query_ras_error_count,
+};
+
+struct amdgpu_umc_ras umc_v8_14_ras = {
+       .ras_block = {
+               .hw_ops = &umc_v8_14_ras_hw_ops,
+       },
+       .err_cnt_init = umc_v8_14_err_cnt_init,
+};

diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v8_14.h b/drivers/gpu/drm/amd/amdgpu/umc_v8_14.h
new file mode 100644 (file)
index 0000000..20a258f
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/umc_v8_14.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2024 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.
+ *
+ */
+#ifndef __UMC_V8_14_H__
+#define __UMC_V8_14_H__
+
+#include "soc15_common.h"
+#include "amdgpu.h"
+
+/* number of umc channel instance with memory map register access */
+#define UMC_V8_14_CHANNEL_INSTANCE_NUM         2
+/* number of umc instance with memory map register access */
+#define UMC_V8_14_UMC_INSTANCE_NUM(adev)               ((adev)->umc.node_inst_num)
+
+/* Total channel instances for all available umc nodes */
+#define UMC_V8_14_TOTAL_CHANNEL_NUM(adev) \
+       (UMC_V8_14_CHANNEL_INSTANCE_NUM * (adev)->gmc.num_umc)
+
+/* UMC register per channel offset */
+#define UMC_V8_14_PER_CHANNEL_OFFSET           0x400
+
+#define UMC_V8_14_INST_DIST            0x40000
+
+/* EccErrCnt max value */
+#define UMC_V8_14_CE_CNT_MAX           0xffff
+/* umc ce interrupt threshold */
+#define UMC_V8_14_CE_INT_THRESHOLD             0xffff
+/* umc ce count initial value */
+#define UMC_V8_14_CE_CNT_INIT  (UMC_V8_14_CE_CNT_MAX - UMC_V8_14_CE_INT_THRESHOLD)
+
+extern struct amdgpu_umc_ras umc_v8_14_ras;
+#endif