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drm/amdgpu/discovery: check ip_discovery fw file available

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Signed-off-by: Flora Cui <flora.cui@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Flora Cui 2025-02-27 10:39:27 +08:00 committed by Alex Deucher
parent 62c1ed0a64
commit 017fbb6690
1 changed files with 16 additions and 15 deletions
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31
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
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@ -113,8 +113,7 @@
#include "amdgpu_isp.h" #include "amdgpu_isp.h"
#endif #endif
#define FIRMWARE_IP_DISCOVERY "amdgpu/ip_discovery.bin" MODULE_FIRMWARE("amdgpu/ip_discovery.bin");
MODULE_FIRMWARE(FIRMWARE_IP_DISCOVERY);
#define mmIP_DISCOVERY_VERSION 0x16A00 #define mmIP_DISCOVERY_VERSION 0x16A00
#define mmRCC_CONFIG_MEMSIZE 0xde3 #define mmRCC_CONFIG_MEMSIZE 0xde3
@ -297,21 +296,13 @@ static int amdgpu_discovery_read_binary_from_mem(struct amdgpu_device *adev,
return ret; return ret;
} }
static int amdgpu_discovery_read_binary_from_file(struct amdgpu_device *adev, uint8_t *binary) static int amdgpu_discovery_read_binary_from_file(struct amdgpu_device *adev,
uint8_t *binary,
const char *fw_name)
{ {
const struct firmware *fw; const struct firmware *fw;
const char *fw_name;
int r; int r;
switch (amdgpu_discovery) {
case 2:
fw_name = FIRMWARE_IP_DISCOVERY;
break;
default:
dev_warn(adev->dev, "amdgpu_discovery is not set properly\n");
return -EINVAL;
}
r = request_firmware(&fw, fw_name, adev->dev); r = request_firmware(&fw, fw_name, adev->dev);
if (r) { if (r) {
dev_err(adev->dev, "can't load firmware \"%s\"\n", dev_err(adev->dev, "can't load firmware \"%s\"\n",
@ -404,10 +395,19 @@ static int amdgpu_discovery_verify_npsinfo(struct amdgpu_device *adev,
return 0; return 0;
} }
static const char *amdgpu_discovery_get_fw_name(struct amdgpu_device *adev)
{
if (amdgpu_discovery == 2)
return "amdgpu/ip_discovery.bin";
return NULL;
}
static int amdgpu_discovery_init(struct amdgpu_device *adev) static int amdgpu_discovery_init(struct amdgpu_device *adev)
{ {
struct table_info *info; struct table_info *info;
struct binary_header *bhdr; struct binary_header *bhdr;
const char *fw_name;
uint16_t offset; uint16_t offset;
uint16_t size; uint16_t size;
uint16_t checksum; uint16_t checksum;
@ -419,9 +419,10 @@ static int amdgpu_discovery_init(struct amdgpu_device *adev)
return -ENOMEM; return -ENOMEM;
/* Read from file if it is the preferred option */ /* Read from file if it is the preferred option */
if (amdgpu_discovery == 2) { fw_name = amdgpu_discovery_get_fw_name(adev);
if (fw_name != NULL) {
dev_info(adev->dev, "use ip discovery information from file"); dev_info(adev->dev, "use ip discovery information from file");
r = amdgpu_discovery_read_binary_from_file(adev, adev->mman.discovery_bin); r = amdgpu_discovery_read_binary_from_file(adev, adev->mman.discovery_bin, fw_name);
if (r) { if (r) {
dev_err(adev->dev, "failed to read ip discovery binary from file\n"); dev_err(adev->dev, "failed to read ip discovery binary from file\n");