drm/amdgpu: Do not write to GRBM_CNTL if Aldebaran SRIOV

Aldebaran SRIOV VF does not have write permissions to GRBM_CTNL.
This access can be skipped to avoid a dmesg warning.

v2: Use GC IP version check instead of asic check

Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Victor Lu 2025-02-13 18:41:26 -05:00 committed by Alex Deucher
parent a29936bcd2
commit 3646cc65e2

View File

@ -2637,7 +2637,10 @@ static void gfx_v9_0_constants_init(struct amdgpu_device *adev)
u32 tmp;
int i;
WREG32_FIELD15_RLC(GC, 0, GRBM_CNTL, READ_TIMEOUT, 0xff);
if (!amdgpu_sriov_vf(adev) ||
amdgpu_ip_version(adev, GC_HWIP, 0) != IP_VERSION(9, 4, 2)) {
WREG32_FIELD15_RLC(GC, 0, GRBM_CNTL, READ_TIMEOUT, 0xff);
}
gfx_v9_0_tiling_mode_table_init(adev);