drm/amdgpu: Add kicker device detection

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
index bef7541770641cce76c4e6046e0327506ba87354..e9d2fcdde0e1c63ad29f9baa0b80b40e6a1ed136 100644 (file)
--- 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_naming(struct amdgpu_device *adev, int bl
        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;

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h
index b03321e7d2d893a4f8c79034c4d2774989f5c06f..4760092aafd723c9d7776ed5796c3324e322c27e 100644 (file)
--- 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_device *adev, int load_type);
 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