[PATCH] drm/amdgpu: use sjt mec fw on gfx943 for sriov

[Zhao, Victor]

[AMD Official Use Only - AMD Internal Distribution Only]

Ping. Please help review.

-----Original Message-----
From: Victor Zhao <Victor.Zhao at amd.com>
Sent: Saturday, November 23, 2024 9:59 PM
To: amd-gfx at lists.freedesktop.org
Cc: Zhao, Victor <Victor.Zhao at amd.com>
Subject: [PATCH] drm/amdgpu: use sjt mec fw on gfx943 for sriov

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 at amd.com>
---
 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 f23df55d72fd..58541b93580a 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);
--
2.34.1