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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
This commit is contained in:
Ayaz A Siddiqui 2021-09-03 14:51:49 +05:30 committed by Ramalingam C
parent 450cede7f3
commit b62aa57e3c
4 changed files with 20 additions and 0 deletions
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2
drivers/gpu/drm/i915/gt/intel_gt.c
View File

@ -682,6 +682,8 @@ int intel_gt_init(struct intel_gt *gt)
goto err_pm;
}
set_mocs_index(gt);
err = intel_engines_init(gt);
if (err)
goto err_engines;

4
drivers/gpu/drm/i915/gt/intel_gt_types.h
View File

@ -192,6 +192,10 @@ struct intel_gt {
unsigned long mslice_mask;
} info;
struct {
u8 uc_index;
} mocs;
};
enum intel_gt_scratch_field {

13
drivers/gpu/drm/i915/gt/intel_mocs.c
View File

@ -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;

1
drivers/gpu/drm/i915/gt/intel_mocs.h
View File

@ -36,5 +36,6 @@ struct intel_gt;
void intel_mocs_init(struct intel_gt *gt);
void intel_mocs_init_engine(struct intel_engine_cs *engine);
void set_mocs_index(struct intel_gt *gt);
#endif