From: YiPeng Chai <[email protected]>

Add ras_psp v15_0 for A + A.

Signed-off-by: YiPeng Chai <[email protected]>
Reviewed-by: Hawking Zhang <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
---
 drivers/gpu/drm/amd/ras/core/Makefile        |  1 +
 drivers/gpu/drm/amd/ras/core/ras_psp.c       |  3 ++
 drivers/gpu/drm/amd/ras/core/ras_psp_v15_0.c | 46 ++++++++++++++++++++
 drivers/gpu/drm/amd/ras/core/ras_psp_v15_0.h | 31 +++++++++++++
 4 files changed, 81 insertions(+)
 create mode 100644 drivers/gpu/drm/amd/ras/core/ras_psp_v15_0.c
 create mode 100644 drivers/gpu/drm/amd/ras/core/ras_psp_v15_0.h

diff --git a/drivers/gpu/drm/amd/ras/core/Makefile 
b/drivers/gpu/drm/amd/ras/core/Makefile
index 81f148c76d8d3..2dfb1f96b072f 100644
--- a/drivers/gpu/drm/amd/ras/core/Makefile
+++ b/drivers/gpu/drm/amd/ras/core/Makefile
@@ -38,6 +38,7 @@ RAS_CORE_FILES = core.o \
                        ras_cper.o \
                        ras_psp.o \
                        ras_psp_v13_0.o \
+                       ras_psp_v15_0.o \
                        eeprom_fw.o \
                        ras_mce.o
 
diff --git a/drivers/gpu/drm/amd/ras/core/ras_psp.c 
b/drivers/gpu/drm/amd/ras/core/ras_psp.c
index 9bf20201649f9..0f4ced7ddfbec 100644
--- a/drivers/gpu/drm/amd/ras/core/ras_psp.c
+++ b/drivers/gpu/drm/amd/ras/core/ras_psp.c
@@ -25,6 +25,7 @@
 #include "ta_if.h"
 #include "ras_psp.h"
 #include "ras_psp_v13_0.h"
+#include "ras_psp_v15_0.h"
 
 /* position of instance value in sub_block_index of
  * ta_ras_trigger_error_input, the sub block uses lower 12 bits
@@ -40,6 +41,8 @@ static const struct ras_psp_ip_func *ras_psp_get_ip_funcs(
        case IP_VERSION(13, 0, 14):
        case IP_VERSION(13, 0, 12):
                return &ras_psp_v13_0;
+       case IP_VERSION(15, 0, 8):
+               return &ras_psp_v15_0;
        default:
                RAS_DEV_ERR(ras_core->dev,
                        "psp ip version(0x%x) is not supported!\n", ip_version);
diff --git a/drivers/gpu/drm/amd/ras/core/ras_psp_v15_0.c 
b/drivers/gpu/drm/amd/ras/core/ras_psp_v15_0.c
new file mode 100644
index 0000000000000..4f4b323c7032b
--- /dev/null
+++ b/drivers/gpu/drm/amd/ras/core/ras_psp_v15_0.c
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2026 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 "ras.h"
+#include "ras_psp_v15_0.h"
+
+#define regMPASP_SMN_C2PMSG_67                           0x0083
+#define regMPASP_SMN_C2PMSG_67_BASE_IDX                  1
+
+static uint32_t ras_psp_v15_0_ring_wptr_get(struct ras_core_context *ras_core)
+{
+       return RAS_DEV_RREG32_SOC15(ras_core->dev, MP0, 0, 
regMPASP_SMN_C2PMSG_67);
+}
+
+static int ras_psp_v15_0_ring_wptr_set(struct ras_core_context *ras_core, 
uint32_t value)
+{
+       RAS_DEV_WREG32_SOC15(ras_core->dev, MP0, 0, regMPASP_SMN_C2PMSG_67, 
value);
+
+       return 0;
+}
+
+const struct ras_psp_ip_func ras_psp_v15_0 = {
+       .psp_ras_ring_wptr_get = ras_psp_v15_0_ring_wptr_get,
+       .psp_ras_ring_wptr_set = ras_psp_v15_0_ring_wptr_set,
+};
diff --git a/drivers/gpu/drm/amd/ras/core/ras_psp_v15_0.h 
b/drivers/gpu/drm/amd/ras/core/ras_psp_v15_0.h
new file mode 100644
index 0000000000000..4149fda38a374
--- /dev/null
+++ b/drivers/gpu/drm/amd/ras/core/ras_psp_v15_0.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2026 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 __RAS_PSP_V15_0_H__
+#define __RAS_PSP_V15_0_H__
+#include "ras_psp.h"
+
+extern const struct ras_psp_ip_func ras_psp_v15_0;
+
+#endif
-- 
2.55.0

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