[PATCH v6 35/45] drm/amd: Use `amdgpu_ucode_*` helpers for SDMA2.4

From: Mario Limonciello
Date: Wed Jan 04 2023 - 22:47:05 EST


The `amdgpu_ucode_request` helper will ensure that the return code for
missing firmware is -ENODEV so that early_init can fail.

The `amdgpu_ucode_release` helper is for symmetry on unloading.

Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
v5->v6:
* Adjust for amdgpu_ucode_release argument change
---
drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index c52d246a1d96..fd2a7b66ac56 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -113,10 +113,9 @@ static void sdma_v2_4_init_golden_registers(struct amdgpu_device *adev)
static void sdma_v2_4_free_microcode(struct amdgpu_device *adev)
{
int i;
- for (i = 0; i < adev->sdma.num_instances; i++) {
- release_firmware(adev->sdma.instance[i].fw);
- adev->sdma.instance[i].fw = NULL;
- }
+
+ for (i = 0; i < adev->sdma.num_instances; i++)
+ amdgpu_ucode_release(&adev->sdma.instance[i].fw);
}

/**
@@ -151,10 +150,7 @@ static int sdma_v2_4_init_microcode(struct amdgpu_device *adev)
snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name);
else
snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma1.bin", chip_name);
- err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev);
- if (err)
- goto out;
- err = amdgpu_ucode_validate(adev->sdma.instance[i].fw);
+ err = amdgpu_ucode_request(adev, &adev->sdma.instance[i].fw, fw_name);
if (err)
goto out;
hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
@@ -176,10 +172,8 @@ static int sdma_v2_4_init_microcode(struct amdgpu_device *adev)
out:
if (err) {
pr_err("sdma_v2_4: Failed to load firmware \"%s\"\n", fw_name);
- for (i = 0; i < adev->sdma.num_instances; i++) {
- release_firmware(adev->sdma.instance[i].fw);
- adev->sdma.instance[i].fw = NULL;
- }
+ for (i = 0; i < adev->sdma.num_instances; i++)
+ amdgpu_ucode_release(&adev->sdma.instance[i].fw);
}
return err;
}
--
2.34.1