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path: root/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c')
-rw-r--r--drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c132
1 files changed, 107 insertions, 25 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
index d44061033f23..5212ff844292 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
@@ -10,11 +10,52 @@
/*
* The Additional Data Struct (ADS) has pointers for different buffers used by
- * the GuC. One single gem object contains the ADS struct itself (guc_ads), the
- * scheduling policies (guc_policies), a structure describing a collection of
- * register sets (guc_mmio_reg_state) and some extra pages for the GuC to save
- * its internal state for sleep.
+ * the GuC. One single gem object contains the ADS struct itself (guc_ads) and
+ * all the extra buffers indirectly linked via the ADS struct's entries.
+ *
+ * Layout of the ADS blob allocated for the GuC:
+ *
+ * +---------------------------------------+ <== base
+ * | guc_ads |
+ * +---------------------------------------+
+ * | guc_policies |
+ * +---------------------------------------+
+ * | guc_gt_system_info |
+ * +---------------------------------------+
+ * | guc_clients_info |
+ * +---------------------------------------+
+ * | guc_ct_pool_entry[size] |
+ * +---------------------------------------+
+ * | padding |
+ * +---------------------------------------+ <== 4K aligned
+ * | private data |
+ * +---------------------------------------+
+ * | padding |
+ * +---------------------------------------+ <== 4K aligned
*/
+struct __guc_ads_blob {
+ struct guc_ads ads;
+ struct guc_policies policies;
+ struct guc_gt_system_info system_info;
+ struct guc_clients_info clients_info;
+ struct guc_ct_pool_entry ct_pool[GUC_CT_POOL_SIZE];
+} __packed;
+
+static u32 guc_ads_private_data_size(struct intel_guc *guc)
+{
+ return PAGE_ALIGN(guc->fw.private_data_size);
+}
+
+static u32 guc_ads_private_data_offset(struct intel_guc *guc)
+{
+ return PAGE_ALIGN(sizeof(struct __guc_ads_blob));
+}
+
+static u32 guc_ads_blob_size(struct intel_guc *guc)
+{
+ return guc_ads_private_data_offset(guc) +
+ guc_ads_private_data_size(guc);
+}
static void guc_policy_init(struct guc_policy *policy)
{
@@ -48,26 +89,37 @@ static void guc_ct_pool_entries_init(struct guc_ct_pool_entry *pool, u32 num)
memset(pool, 0, num * sizeof(*pool));
}
+static void guc_mapping_table_init(struct intel_gt *gt,
+ struct guc_gt_system_info *system_info)
+{
+ unsigned int i, j;
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+
+ /* Table must be set to invalid values for entries not used */
+ for (i = 0; i < GUC_MAX_ENGINE_CLASSES; ++i)
+ for (j = 0; j < GUC_MAX_INSTANCES_PER_CLASS; ++j)
+ system_info->mapping_table[i][j] =
+ GUC_MAX_INSTANCES_PER_CLASS;
+
+ for_each_engine(engine, gt, id) {
+ u8 guc_class = engine->class;
+
+ system_info->mapping_table[guc_class][engine->instance] =
+ engine->instance;
+ }
+}
+
/*
* The first 80 dwords of the register state context, containing the
* execlists and ppgtt registers.
*/
#define LR_HW_CONTEXT_SIZE (80 * sizeof(u32))
-/* The ads obj includes the struct itself and buffers passed to GuC */
-struct __guc_ads_blob {
- struct guc_ads ads;
- struct guc_policies policies;
- struct guc_mmio_reg_state reg_state;
- struct guc_gt_system_info system_info;
- struct guc_clients_info clients_info;
- struct guc_ct_pool_entry ct_pool[GUC_CT_POOL_SIZE];
- u8 reg_state_buffer[GUC_S3_SAVE_SPACE_PAGES * PAGE_SIZE];
-} __packed;
-
static void __guc_ads_init(struct intel_guc *guc)
{
struct intel_gt *gt = guc_to_gt(guc);
+ struct drm_i915_private *i915 = gt->i915;
struct __guc_ads_blob *blob = guc->ads_blob;
const u32 skipped_size = LRC_PPHWSP_SZ * PAGE_SIZE + LR_HW_CONTEXT_SIZE;
u32 base;
@@ -99,13 +151,25 @@ static void __guc_ads_init(struct intel_guc *guc)
}
/* System info */
- blob->system_info.slice_enabled = hweight8(gt->info.sseu.slice_mask);
- blob->system_info.rcs_enabled = 1;
- blob->system_info.bcs_enabled = 1;
+ blob->system_info.engine_enabled_masks[RENDER_CLASS] = 1;
+ blob->system_info.engine_enabled_masks[COPY_ENGINE_CLASS] = 1;
+ blob->system_info.engine_enabled_masks[VIDEO_DECODE_CLASS] = VDBOX_MASK(gt);
+ blob->system_info.engine_enabled_masks[VIDEO_ENHANCEMENT_CLASS] = VEBOX_MASK(gt);
+
+ blob->system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_SLICE_ENABLED] =
+ hweight8(gt->info.sseu.slice_mask);
+ blob->system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_VDBOX_SFC_SUPPORT_MASK] =
+ gt->info.vdbox_sfc_access;
+
+ if (INTEL_GEN(i915) >= 12 && !IS_DGFX(i915)) {
+ u32 distdbreg = intel_uncore_read(gt->uncore,
+ GEN12_DIST_DBS_POPULATED);
+ blob->system_info.generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_DOORBELL_COUNT_PER_SQIDI] =
+ ((distdbreg >> GEN12_DOORBELLS_PER_SQIDI_SHIFT) &
+ GEN12_DOORBELLS_PER_SQIDI) + 1;
+ }
- blob->system_info.vdbox_enable_mask = VDBOX_MASK(gt);
- blob->system_info.vebox_enable_mask = VEBOX_MASK(gt);
- blob->system_info.vdbox_sfc_support_mask = gt->info.vdbox_sfc_access;
+ guc_mapping_table_init(guc_to_gt(guc), &blob->system_info);
base = intel_guc_ggtt_offset(guc, guc->ads_vma);
@@ -118,11 +182,12 @@ static void __guc_ads_init(struct intel_guc *guc)
/* ADS */
blob->ads.scheduler_policies = base + ptr_offset(blob, policies);
- blob->ads.reg_state_buffer = base + ptr_offset(blob, reg_state_buffer);
- blob->ads.reg_state_addr = base + ptr_offset(blob, reg_state);
blob->ads.gt_system_info = base + ptr_offset(blob, system_info);
blob->ads.clients_info = base + ptr_offset(blob, clients_info);
+ /* Private Data */
+ blob->ads.private_data = base + guc_ads_private_data_offset(guc);
+
i915_gem_object_flush_map(guc->ads_vma->obj);
}
@@ -135,14 +200,15 @@ static void __guc_ads_init(struct intel_guc *guc)
*/
int intel_guc_ads_create(struct intel_guc *guc)
{
- const u32 size = PAGE_ALIGN(sizeof(struct __guc_ads_blob));
+ u32 size;
int ret;
GEM_BUG_ON(guc->ads_vma);
+ size = guc_ads_blob_size(guc);
+
ret = intel_guc_allocate_and_map_vma(guc, size, &guc->ads_vma,
(void **)&guc->ads_blob);
-
if (ret)
return ret;
@@ -154,6 +220,19 @@ int intel_guc_ads_create(struct intel_guc *guc)
void intel_guc_ads_destroy(struct intel_guc *guc)
{
i915_vma_unpin_and_release(&guc->ads_vma, I915_VMA_RELEASE_MAP);
+ guc->ads_blob = NULL;
+}
+
+static void guc_ads_private_data_reset(struct intel_guc *guc)
+{
+ u32 size;
+
+ size = guc_ads_private_data_size(guc);
+ if (!size)
+ return;
+
+ memset((void *)guc->ads_blob + guc_ads_private_data_offset(guc), 0,
+ size);
}
/**
@@ -168,5 +247,8 @@ void intel_guc_ads_reset(struct intel_guc *guc)
{
if (!guc->ads_vma)
return;
+
__guc_ads_init(guc);
+
+ guc_ads_private_data_reset(guc);
}
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-22 09:22:34 +0300