[PATCH AUTOSEL 6.12 05/29] drm/amdgpu: use sjt mec fw on gfx943 for sriov

From: Sasha Levin
Date: Fri Dec 20 2024 - 12:16:34 EST


From: Victor Zhao <Victor.Zhao@xxxxxxx>

[ Upstream commit 9a4ab400f1fad0e6e8686b8f5fc5376383860ce8 ]

Use second jump table in sriov for live migration or mulitple VF
support so different VF can load different version of MEC as long
as they support sjt

Signed-off-by: Victor Zhao <Victor.Zhao@xxxxxxx>
Reviewed-by: Yang Wang <kevinyang.wang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index c100845409f7..ffdb966c4127 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -45,6 +45,8 @@ MODULE_FIRMWARE("amdgpu/gc_9_4_3_mec.bin");
MODULE_FIRMWARE("amdgpu/gc_9_4_4_mec.bin");
MODULE_FIRMWARE("amdgpu/gc_9_4_3_rlc.bin");
MODULE_FIRMWARE("amdgpu/gc_9_4_4_rlc.bin");
+MODULE_FIRMWARE("amdgpu/gc_9_4_3_sjt_mec.bin");
+MODULE_FIRMWARE("amdgpu/gc_9_4_4_sjt_mec.bin");

#define GFX9_MEC_HPD_SIZE 4096
#define RLCG_UCODE_LOADING_START_ADDRESS 0x00002000L
@@ -574,8 +576,12 @@ static int gfx_v9_4_3_init_cp_compute_microcode(struct amdgpu_device *adev,
{
int err;

- err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw,
- "amdgpu/%s_mec.bin", chip_name);
+ if (amdgpu_sriov_vf(adev))
+ err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw,
+ "amdgpu/%s_sjt_mec.bin", chip_name);
+ else
+ err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw,
+ "amdgpu/%s_mec.bin", chip_name);
if (err)
goto out;
amdgpu_gfx_cp_init_microcode(adev, AMDGPU_UCODE_ID_CP_MEC1);
--
2.39.5