diff options
| author | Ayaz A Siddiqui <ayaz.siddiqui@intel.com> | 2021-09-03 11:21:49 +0200 |
|---|---|---|
| committer | Ramalingam C <ramalingam.c@intel.com> | 2021-09-03 16:47:20 +0200 |
| commit | b62aa57e3c78d749a1932b636c8fa4e1ef655f4d (patch) | |
| tree | ae0cac4a6557d7c75130ef9638295b996cbfa1d3 /drivers/gpu/drm/i915/gt/intel_mocs.c | |
| parent | drm/i915/gem: Fix the mman selftest (diff) | |
| download | linux-b62aa57e3c78d749a1932b636c8fa4e1ef655f4d.tar.xz linux-b62aa57e3c78d749a1932b636c8fa4e1ef655f4d.zip | |
drm/i915/gt: Add support of mocs propagation
Now there are lots of Command and registers that require mocs index
programming.
So propagating mocs_index from mocs to gt so that it can be
used directly without having platform-specific checks.
V2:
Changed 'i915_mocs_index_gt' to anonymous structure.
Cc: CQ Tang<cq.tang@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Ayaz A Siddiqui <ayaz.siddiqui@intel.com>
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210903092153.535736-2-ayaz.siddiqui@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_mocs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_mocs.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c index 582c4423b95d..7ccac15d9a33 100644 --- a/drivers/gpu/drm/i915/gt/intel_mocs.c +++ b/drivers/gpu/drm/i915/gt/intel_mocs.c @@ -22,6 +22,7 @@ struct drm_i915_mocs_table { unsigned int size; unsigned int n_entries; const struct drm_i915_mocs_entry *table; + u8 uc_index; }; /* Defines for the tables (XXX_MOCS_0 - XXX_MOCS_63) */ @@ -340,14 +341,18 @@ static unsigned int get_mocs_settings(const struct drm_i915_private *i915, { unsigned int flags; + memset(table, 0, sizeof(struct drm_i915_mocs_table)); + if (IS_DG1(i915)) { table->size = ARRAY_SIZE(dg1_mocs_table); table->table = dg1_mocs_table; + table->uc_index = 1; table->n_entries = GEN9_NUM_MOCS_ENTRIES; } else if (GRAPHICS_VER(i915) >= 12) { table->size = ARRAY_SIZE(tgl_mocs_table); table->table = tgl_mocs_table; table->n_entries = GEN9_NUM_MOCS_ENTRIES; + table->uc_index = 3; } else if (GRAPHICS_VER(i915) == 11) { table->size = ARRAY_SIZE(icl_mocs_table); table->table = icl_mocs_table; @@ -504,6 +509,14 @@ static u32 global_mocs_offset(void) return i915_mmio_reg_offset(GEN12_GLOBAL_MOCS(0)); } +void set_mocs_index(struct intel_gt *gt) +{ + struct drm_i915_mocs_table table; + + get_mocs_settings(gt->i915, &table); + gt->mocs.uc_index = table.uc_index; +} + void intel_mocs_init(struct intel_gt *gt) { struct drm_i915_mocs_table table; |