drm/amdgpu: increase size of psp fw_name string(v2)

Increase fw_name string size so longer chip name can be stored.

v2: define macro for the length of psp fw name.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c

@@ -2384,7 +2384,7 @@ int psp_init_asd_microcode(struct psp_context *psp,
 			   const char *chip_name)
 {
 	struct amdgpu_device *adev = psp->adev;
-	char fw_name[30];
+	char fw_name[PSP_FW_NAME_LEN];
 	const struct psp_firmware_header_v1_0 *asd_hdr;
 	int err = 0;
 
@@ -2456,7 +2456,7 @@ int psp_init_sos_microcode(struct psp_context *psp,
 			   const char *chip_name)
 {
 	struct amdgpu_device *adev = psp->adev;
-	char fw_name[30];
+	char fw_name[PSP_FW_NAME_LEN];
 	const struct psp_firmware_header_v1_0 *sos_hdr;
 	const struct psp_firmware_header_v1_1 *sos_hdr_v1_1;
 	const struct psp_firmware_header_v1_2 *sos_hdr_v1_2;

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h

@@ -41,6 +41,7 @@
 #define PSP_DTM_SHARED_MEM_SIZE	0x4000
 #define PSP_RAP_SHARED_MEM_SIZE	0x4000
 #define PSP_SHARED_MEM_SIZE		0x4000
+#define PSP_FW_NAME_LEN		0x24
 
 struct psp_context;
 struct psp_xgmi_node_info;

drivers/gpu/drm/amd/amdgpu/psp_v11_0.c

@@ -79,7 +79,7 @@ static int psp_v11_0_init_microcode(struct psp_context *psp)
 {
 	struct amdgpu_device *adev = psp->adev;
 	const char *chip_name;
-	char fw_name[30];
+	char fw_name[PSP_FW_NAME_LEN];
 	int err = 0;
 	const struct ta_firmware_header_v1_0 *ta_hdr;