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From 0bbf5fd86c585d437b75003f11365b324360a5d6 Mon Sep 17 00:00:00 2001
From: Frank Min <Frank.Min@amd.com>
Date: Wed, 4 Jun 2025 21:00:44 +0800
Subject: drm/amdgpu: Add kicker device detection
From: Frank Min <Frank.Min@amd.com>
commit 0bbf5fd86c585d437b75003f11365b324360a5d6 upstream.
1. add kicker device list
2. add kicker device checking helper function
Signed-off-by: Frank Min <Frank.Min@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 09aa2b408f4ab689c3541d22b0968de0392ee406)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c | 17 +++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h | 6 ++++++
2 files changed, 23 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
@@ -28,6 +28,10 @@
#include "amdgpu.h"
#include "amdgpu_ucode.h"
+static const struct kicker_device kicker_device_list[] = {
+ {0x744B, 0x00},
+};
+
static void amdgpu_ucode_print_common_hdr(const struct common_firmware_header *hdr)
{
DRM_DEBUG("size_bytes: %u\n", le32_to_cpu(hdr->size_bytes));
@@ -1268,6 +1272,19 @@ static const char *amdgpu_ucode_legacy_n
return NULL;
}
+bool amdgpu_is_kicker_fw(struct amdgpu_device *adev)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(kicker_device_list); i++) {
+ if (adev->pdev->device == kicker_device_list[i].device &&
+ adev->pdev->revision == kicker_device_list[i].revision)
+ return true;
+ }
+
+ return false;
+}
+
void amdgpu_ucode_ip_version_decode(struct amdgpu_device *adev, int block_type, char *ucode_prefix, int len)
{
int maj, min, rev;
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
@@ -536,6 +536,11 @@ struct amdgpu_firmware {
uint64_t fw_buf_mc;
};
+struct kicker_device{
+ unsigned short device;
+ u8 revision;
+};
+
void amdgpu_ucode_print_mc_hdr(const struct common_firmware_header *hdr);
void amdgpu_ucode_print_smc_hdr(const struct common_firmware_header *hdr);
void amdgpu_ucode_print_imu_hdr(const struct common_firmware_header *hdr);
@@ -562,5 +567,6 @@ amdgpu_ucode_get_load_type(struct amdgpu
const char *amdgpu_ucode_name(enum AMDGPU_UCODE_ID ucode_id);
void amdgpu_ucode_ip_version_decode(struct amdgpu_device *adev, int block_type, char *ucode_prefix, int len);
+bool amdgpu_is_kicker_fw(struct amdgpu_device *adev);
#endif
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