summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
diff options
context:
space:
mode:
authorYiqing Yao <yiqing.yao@amd.com>2022-10-28 12:30:17 +0300
committerAlex Deucher <alexander.deucher@amd.com>2022-11-04 23:05:53 +0300
commit8a1fbb4a5ec29d9ae5f792a1d3c049c5c709851c (patch)
treeff3915474a7d283901f611766c87c13e39575d38 /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
parent0cfce2401e1553f3bf0ee3b6ef56c9dda0303815 (diff)
downloadlinux-8a1fbb4a5ec29d9ae5f792a1d3c049c5c709851c.tar.xz
drm/amdgpu: Disable MCBP from soc21 for SRIOV
[why] Start from soc21, CP does not support MCBP, so disable it. [how] Used amgpu_mcbp flag alone instead of checking if is in SRIOV to enable/disable MCBP. Only set flag to enable on asic_type prior to soc21 in SRIOV. Signed-off-by: Yiqing Yao <yiqing.yao@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index c73abe54d974..a226a6c48fb7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -64,6 +64,10 @@ void amdgpu_virt_init_setting(struct amdgpu_device *adev)
ddev->driver_features &= ~DRIVER_ATOMIC;
adev->cg_flags = 0;
adev->pg_flags = 0;
+
+ /* enable mcbp for sriov asic_type before soc21 */
+ amdgpu_mcbp = (adev->asic_type < CHIP_IP_DISCOVERY) ? 1 : 0;
+
}
void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev,