[PATCH v11 0/1] drm/xe: Add helper macro to loop each DSS

Zhanjun Dong zhanjun.dong at intel.com
Thu Mar 14 16:00:25 UTC 2024


Add helper macro to loop each DSS. This is a precursor patch to allow
for easier iteration through MCR registers and other per-DSS uses.

Signed-off-by: Zhanjun Dong <zhanjun.dong at intel.com>
Suggested-by: Wajdeczko, Michal <Michal.Wajdeczko at intel.com>
Cc: Alan Previn <alan.previn.teres.alexis at intel.com>
Cc: Matt Roper <matthew.d.roper at intel.com>
Cc: Stuart Summers <stuart.summers at intel.com>
Cc: Jose Souza <jose.souza at intel.com>

Changes from prior revs:
v11:Optimized for_each_dss_steering macro and removed xe_gt_topology_get_next_dss.
v10:Change macro pointer type for uint to u16.
    Fix macro parameter typo. Updated function kerneldoc text. 
v9: Updated function kerneldoc text.
v8: Chang range check to assertion. Add function kerneldoc
v7: Updated commit message
v6: Optimized for_each_dss_steering macro
v5: Reduced 2 checkpatch warnings
v4: Revert function name with mcr back
v3: Rename functions with mcr removed
v2: Resend with cover letter

Zhanjun Dong (1):
  drm/xe: Add helper macro to loop each DSS

 drivers/gpu/drm/xe/xe_gt_mcr.c      | 34 ++++++++++++++++++++++++-----
 drivers/gpu/drm/xe/xe_gt_mcr.h      | 25 +++++++++++++++++++++
 drivers/gpu/drm/xe/xe_gt_topology.c |  3 ---
 drivers/gpu/drm/xe/xe_gt_types.h    |  6 +++--
 4 files changed, 57 insertions(+), 11 deletions(-)

-- 
2.34.1



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