From: Le Ma <le.ma@amd.com>
Date: Fri, 12 Dec 2025 10:43:47 +0000 (+0800)
Subject: drm/amdgpu: bypass IMU ucode loading for MP0 15.0.8
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=68af620c9a370863e973fa27f94b635a90b8a045;p=thirdparty%2Fkernel%2Flinux.git

drm/amdgpu: bypass IMU ucode loading for MP0 15.0.8

For MP0 15.0.8, IMU ucode is part of IFWI and ASP would load it by default.

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 27b67da9fdac2..d39b695cd9259 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -3096,6 +3096,13 @@ static int psp_load_non_psp_fw(struct psp_context *psp)
 			 */
 			continue;
 
+		/* IMU ucode is part of IFWI and MP0 15.0.8 would load it */
+		if (amdgpu_ip_version(adev, MP0_HWIP, 0) ==
+		    IP_VERSION(15, 0, 8) &&
+		    (ucode->ucode_id == AMDGPU_UCODE_ID_IMU_I ||
+		    ucode->ucode_id == AMDGPU_UCODE_ID_IMU_D))
+			continue;
+
 		psp_print_fw_hdr(psp, ucode);
 
 		ret = psp_execute_ip_fw_load(psp, ucode);