diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_mocs.c | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c index 632e08a4592b..8d0614d547bf 100644 --- a/drivers/gpu/drm/i915/gt/intel_mocs.c +++ b/drivers/gpu/drm/i915/gt/intel_mocs.c @@ -109,7 +109,7 @@ struct drm_i915_mocs_table { * they will be initialized to PTE. Gen >= 12 onwards don't have a setting for * PTE and will be initialized to an invalid value. * - * The last two entries are reserved by the hardware. For ICL+ they + * The last few entries are reserved by the hardware. For ICL+ they * should be initialized according to bspec and never used, for older * platforms they should never be written to. * @@ -280,6 +280,39 @@ static const struct drm_i915_mocs_entry icl_mocs_table[] = { GEN11_MOCS_ENTRIES }; +static const struct drm_i915_mocs_entry dg1_mocs_table[] = { + /* Error */ + MOCS_ENTRY(0, 0, L3_0_DIRECT), + + /* UC */ + MOCS_ENTRY(1, 0, L3_1_UC), + + /* Reserved */ + MOCS_ENTRY(2, 0, L3_0_DIRECT), + MOCS_ENTRY(3, 0, L3_0_DIRECT), + MOCS_ENTRY(4, 0, L3_0_DIRECT), + + /* WB - L3 */ + MOCS_ENTRY(5, 0, L3_3_WB), + /* WB - L3 50% */ + MOCS_ENTRY(6, 0, L3_ESC(1) | L3_SCC(1) | L3_3_WB), + /* WB - L3 25% */ + MOCS_ENTRY(7, 0, L3_ESC(1) | L3_SCC(3) | L3_3_WB), + /* WB - L3 12.5% */ + MOCS_ENTRY(8, 0, L3_ESC(1) | L3_SCC(7) | L3_3_WB), + + /* HDC:L1 + L3 */ + MOCS_ENTRY(48, 0, L3_3_WB), + /* HDC:L1 */ + MOCS_ENTRY(49, 0, L3_1_UC), + + /* HW Reserved */ + MOCS_ENTRY(60, 0, L3_1_UC), + MOCS_ENTRY(61, 0, L3_1_UC), + MOCS_ENTRY(62, 0, L3_1_UC), + MOCS_ENTRY(63, 0, L3_1_UC), +}; + enum { HAS_GLOBAL_MOCS = BIT(0), HAS_ENGINE_MOCS = BIT(1), @@ -306,7 +339,11 @@ static unsigned int get_mocs_settings(const struct drm_i915_private *i915, { unsigned int flags; - if (INTEL_GEN(i915) >= 12) { + if (IS_DG1(i915)) { + table->size = ARRAY_SIZE(dg1_mocs_table); + table->table = dg1_mocs_table; + table->n_entries = GEN11_NUM_MOCS_ENTRIES; + } else if (INTEL_GEN(i915) >= 12) { table->size = ARRAY_SIZE(tgl_mocs_table); table->table = tgl_mocs_table; table->n_entries = GEN11_NUM_MOCS_ENTRIES; |