[AMD Official Use Only - General]
Reviewed-by: Kenneth Feng <kenneth.feng@xxxxxxx>
-----Original Message-----
From: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Sent: Sunday, March 31, 2024 1:02 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Feng, Kenneth <Kenneth.Feng@xxxxxxx>
Cc: Zhang, Hawking <Hawking.Zhang@xxxxxxx>
Subject: [PATCH] drm/amdgpu: Bypass asd if display hw is not available
ASD is not needed by headless GPU.
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 94b310fdb719d..83bf86352267d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -1053,6 +1053,11 @@ static int psp_asd_initialize(struct psp_context *psp)
if (amdgpu_sriov_vf(psp->adev) || !psp->asd_context.bin_desc.size_bytes)
return 0;
+ /* bypass asd if display hardware is not available */
+ if (!amdgpu_device_has_display_hardware(psp->adev) &&
+ amdgpu_ip_version(psp->adev, MP0_HWIP, 0) >= IP_VERSION(13, 0, 10))
+ return 0;
+
psp->asd_context.mem_context.shared_mc_addr = 0;
psp->asd_context.mem_context.shared_mem_size = PSP_ASD_SHARED_MEM_SIZE;
psp->asd_context.ta_load_type = GFX_CMD_ID_LOAD_ASD;
--
2.17.1
