Re: [PATCH v4 1/4] drm/amd/amdgpu/vcn: Add RB decouple feature under SRIOV - P1

[Christian König]

Am 16.10.23 um 18:52 schrieb Bokun Zhang:

- Update SRIOV header with RB decouple flag

Signed-off-by: Bokun Zhang <bokun.zh...@amd.com>
---
  drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h | 5 +++--
  1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h 
b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
index 104a5ad8397d..51a14f6d93bd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h
@@ -90,10 +90,11 @@ union amd_sriov_msg_feature_flags {
                uint32_t host_load_ucodes  : 1;
                uint32_t host_flr_vramlost : 1;
                uint32_t mm_bw_management  : 1;
-               uint32_t pp_one_vf_mode    : 1;
+               uint32_t pp_one_vf_mode    : 1;
                uint32_t reg_indirect_acc  : 1;
                uint32_t av1_support       : 1;
-               uint32_t reserved          : 25;
+               uint32_t vcn_rb_decouple   : 1;
+               uint32_t reserved          : 24;

Are you guys using bitfields for SRIOV guest<->host communication?

Christian.

        } flags;
        uint32_t all;
  };