diff options
| author | Matt Roper <matthew.d.roper@intel.com> | 2024-01-23 12:44:49 -0800 |
|---|---|---|
| committer | José Roberto de Souza <jose.souza@intel.com> | 2024-01-24 11:08:18 -0800 |
| commit | facd388708f06ab0c5cf492323c130e924c87aed (patch) | |
| tree | 9238a46b869710bbfd8270e05f3ed3cbf5de6878 /drivers/gpu | |
| parent | 83ef64ebde37db364bffa19801486c957daffab0 (diff) | |
drm/xe: Stash GMD_ID value in xe_gt
Although we've stored the major and minor versions for graphics/media in
xe_device, it will be simpler to implement the uapi version query if we
also stash the raw register value in the GT itself.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240123204454.246788-4-jose.souza@intel.com
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_types.h | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c index 1fe4d54409d3..47cb87f599e4 100644 --- a/drivers/gpu/drm/xe/xe_gt.c +++ b/drivers/gpu/drm/xe/xe_gt.c @@ -399,6 +399,12 @@ static int gt_fw_domain_init(struct xe_gt *gt) /* Initialize CCS mode sysfs after early initialization of HW engines */ xe_gt_ccs_mode_sysfs_init(gt); + /* + * Stash hardware-reported version. Since this register does not exist + * on pre-MTL platforms, reading it there will (correctly) return 0. + */ + gt->info.gmdid = xe_mmio_read32(gt, GMD_ID); + err = xe_force_wake_put(gt_to_fw(gt), XE_FW_GT); XE_WARN_ON(err); xe_device_mem_access_put(gt_to_xe(gt)); diff --git a/drivers/gpu/drm/xe/xe_gt_types.h b/drivers/gpu/drm/xe/xe_gt_types.h index 3caaea2ff908..70c615dd1498 100644 --- a/drivers/gpu/drm/xe/xe_gt_types.h +++ b/drivers/gpu/drm/xe/xe_gt_types.h @@ -117,6 +117,8 @@ struct xe_gt { * hwconfig blob. */ u64 __engine_mask; + /** @info.gmdid: raw GMD_ID value from hardware */ + u32 gmdid; } info; /** |