[PATCH] drm/amdgpu: get RAS poison status from DF v4_6_2

[Zhang, Hawking]

[AMD Official Use Only - General]

Acked-by: Hawking Zhang <Hawking.Zhang at amd.com>

Regards,
Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Tao Zhou
Sent: Tuesday, October 24, 2023 14:42
To: amd-gfx at lists.freedesktop.org
Cc: Zhou1, Tao <Tao.Zhou1 at amd.com>; Yang, Stanley <Stanley.Yang at amd.com>
Subject: [PATCH] drm/amdgpu: get RAS poison status from DF v4_6_2

Add DF block and RAS poison mode query for DF v4_6_2.

Signed-off-by: Tao Zhou <tao.zhou1 at amd.com>
Reviewed-by: Stanley.Yang <Stanley.Yang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/Makefile           |  3 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c |  4 +++
 drivers/gpu/drm/amd/amdgpu/df_v4_6_2.c        | 34 +++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/df_v4_6_2.h        | 31 +++++++++++++++++
 4 files changed, 71 insertions(+), 1 deletion(-)  create mode 100644 drivers/gpu/drm/amd/amdgpu/df_v4_6_2.c
 create mode 100644 drivers/gpu/drm/amd/amdgpu/df_v4_6_2.h

diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index ec1daf7112a9..260e32ef7bae 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -104,7 +104,8 @@ amdgpu-y += \
 amdgpu-y += \
        df_v1_7.o \
        df_v3_6.o \
-       df_v4_3.o
+       df_v4_3.o \
+       df_v4_6_2.o

 # add GMC block
 amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 17d4311e22d5..8d3681172cea 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -35,6 +35,7 @@
 #include "df_v1_7.h"
 #include "df_v3_6.h"
 #include "df_v4_3.h"
+#include "df_v4_6_2.h"
 #include "nbio_v6_1.h"
 #include "nbio_v7_0.h"
 #include "nbio_v7_4.h"
@@ -2557,6 +2558,9 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device *adev)
        case IP_VERSION(4, 3, 0):
                adev->df.funcs = &df_v4_3_funcs;
                break;
+       case IP_VERSION(4, 6, 2):
+               adev->df.funcs = &df_v4_6_2_funcs;
+               break;
        default:
                break;
        }
diff --git a/drivers/gpu/drm/amd/amdgpu/df_v4_6_2.c b/drivers/gpu/drm/amd/amdgpu/df_v4_6_2.c
new file mode 100644
index 000000000000..a47960a0babd
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/df_v4_6_2.c
@@ -0,0 +1,34 @@
+/*
+ * 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 "df_v4_6_2.h"
+
+static bool df_v4_6_2_query_ras_poison_mode(struct amdgpu_device *adev)
+{
+       /* return true since related regs are inaccessible */
+       return true;
+}
+
+const struct amdgpu_df_funcs df_v4_6_2_funcs = {
+       .query_ras_poison_mode = df_v4_6_2_query_ras_poison_mode, };
diff --git a/drivers/gpu/drm/amd/amdgpu/df_v4_6_2.h b/drivers/gpu/drm/amd/amdgpu/df_v4_6_2.h
new file mode 100644
index 000000000000..3bc3e6d216e2
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/df_v4_6_2.h
@@ -0,0 +1,31 @@
+/*
+ * 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.
+ *
+ */
+
+#ifndef __DF_V4_6_2_H__
+#define __DF_V4_6_2_H__
+
+#include "soc15_common.h"
+
+extern const struct amdgpu_df_funcs df_v4_6_2_funcs;
+
+#endif
--
2.35.1