diff options
author | José Roberto de Souza <jose.souza@intel.com> | 2022-09-15 18:46:47 -0700 |
---|---|---|
committer | Radhakrishna Sripada <radhakrishna.sripada@intel.com> | 2022-09-23 17:37:23 -0700 |
commit | 944ca7d8b12f9ed4abaa4e63223b62bd9b653b5c (patch) | |
tree | 634d389ba2679146a1e6016fb976c14247d7aced /drivers/gpu/drm/i915/intel_step.h | |
parent | c2c7075225ef7366a1ccc1cf4b7205c391ec7c9b (diff) |
drm/i915: Parse and set stepping for platforms with GMD
Expand the current stepping convention to accommodate the GMD
stepping info. Typically GMD step maps to letter stepping
by "A + step %4" and number to "A + step /4" i.e, GMD step
0 maps to STEP_A0, 1 to _A1, 2 to _A2, 3 to _A3, 4 to STEP_B0...
Future platforms might break this formulae and may require a table
mapping to decode GMD step compatible with the convention.
v2:
- Pass the updated ip version structure
v3:
- Skip using GMD to step table(MattR)
Cc: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220916014648.1310346-3-radhakrishna.sripada@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_step.h')
-rw-r--r-- | drivers/gpu/drm/i915/intel_step.h | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_step.h b/drivers/gpu/drm/i915/intel_step.h index a6b12bfa9744..96dfca4cba73 100644 --- a/drivers/gpu/drm/i915/intel_step.h +++ b/drivers/gpu/drm/i915/intel_step.h @@ -11,6 +11,10 @@ struct drm_i915_private; struct intel_step_info { + /* + * It is expected to have 4 number steps per letter. Deviation from + * the expectation breaks gmd_to_intel_step(). + */ u8 graphics_step; /* Represents the compute tile on Xe_HPC */ u8 display_step; u8 media_step; @@ -23,21 +27,43 @@ struct intel_step_info { func(A0) \ func(A1) \ func(A2) \ + func(A3) \ func(B0) \ func(B1) \ func(B2) \ func(B3) \ func(C0) \ func(C1) \ + func(C2) \ + func(C3) \ func(D0) \ func(D1) \ + func(D2) \ + func(D3) \ func(E0) \ + func(E1) \ + func(E2) \ + func(E3) \ func(F0) \ + func(F1) \ + func(F2) \ + func(F3) \ func(G0) \ + func(G1) \ + func(G2) \ + func(G3) \ func(H0) \ + func(H1) \ + func(H2) \ + func(H3) \ func(I0) \ func(I1) \ - func(J0) + func(I2) \ + func(I3) \ + func(J0) \ + func(J1) \ + func(J2) \ + func(J3) /* * Symbolic steppings that do not match the hardware. These are valid both as gt |