---
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 3 +-
drivers/gpu/drm/i915/gt/uc/intel_guc.c | 18 ---
drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c | 131 +++++++++++++++----
drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h | 80 +++++------
drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h | 5 +
drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c | 27 ++--
drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h | 2 +
drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h | 6 +-
8 files changed, 176 insertions(+), 96 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 1985772152bf..3fb52fac0d5d 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -305,8 +305,9 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id)
engine->i915 = i915;
engine->gt = gt;
engine->uncore = gt->uncore;
- engine->hw_id = engine->guc_id = info->hw_id;
engine->mmio_base = __engine_mmio_base(i915, info->mmio_bases);
+ engine->hw_id = info->hw_id;
+ engine->guc_id = MAKE_GUC_ID(info->class, info->instance);
engine->class = info->class;
engine->instance = info->instance;
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
index 942c7c187adb..6909da1e1a73 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
@@ -213,23 +213,6 @@ static u32 guc_ctl_feature_flags(struct intel_guc *guc)
return flags;
}
-static u32 guc_ctl_ctxinfo_flags(struct intel_guc *guc)
-{
- u32 flags = 0;
-
- if (intel_guc_submission_is_used(guc)) {
- u32 ctxnum, base;
-
- base = intel_guc_ggtt_offset(guc, guc->stage_desc_pool);
- ctxnum = GUC_MAX_STAGE_DESCRIPTORS / 16;
-
- base >>= PAGE_SHIFT;
- flags |= (base << GUC_CTL_BASE_ADDR_SHIFT) |
- (ctxnum << GUC_CTL_CTXNUM_IN16_SHIFT);
- }
- return flags;
-}
-
static u32 guc_ctl_log_params_flags(struct intel_guc *guc)
{
u32 offset = intel_guc_ggtt_offset(guc, guc->log.vma) >> PAGE_SHIFT;
@@ -291,7 +274,6 @@ static void guc_init_params(struct intel_guc *guc)
BUILD_BUG_ON(sizeof(guc->params) != GUC_CTL_MAX_DWORDS * sizeof(u32));
- params[GUC_CTL_CTXINFO] = guc_ctl_ctxinfo_flags(guc);
params[GUC_CTL_LOG_PARAMS] = guc_ctl_log_params_flags(guc);
params[GUC_CTL_FEATURE] = guc_ctl_feature_flags(guc);
params[GUC_CTL_DEBUG] = guc_ctl_debug_flags(guc);
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..7950d28beb8c 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;
@@ -156,6 +222,18 @@ void intel_guc_ads_destroy(struct intel_guc *guc)
i915_vma_unpin_and_release(&guc->ads_vma, I915_VMA_RELEASE_MAP);
}
+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);
+}
+
/**
* intel_guc_ads_reset() - prepares GuC Additional Data Struct for reuse
* @guc: intel_guc struct
@@ -168,5 +246,8 @@ void intel_guc_ads_reset(struct intel_guc *guc)
{
if (!guc->ads_vma)
return;
+
__guc_ads_init(guc);
+
+ guc_ads_private_data_reset(guc);
}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
index a6b733c146c9..79c560d9c0b6 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
@@ -26,8 +26,8 @@
#define GUC_VIDEO_ENGINE2 4
#define GUC_MAX_ENGINES_NUM (GUC_VIDEO_ENGINE2 + 1)
-#define GUC_MAX_ENGINE_CLASSES 5
-#define GUC_MAX_INSTANCES_PER_CLASS 16
+#define GUC_MAX_ENGINE_CLASSES 16
+#define GUC_MAX_INSTANCES_PER_CLASS 32
#define GUC_DOORBELL_INVALID 256
@@ -62,12 +62,7 @@
#define GUC_STAGE_DESC_ATTR_PCH BIT(6)
#define GUC_STAGE_DESC_ATTR_TERMINATED BIT(7)
-/* New GuC control data */
-#define GUC_CTL_CTXINFO 0
-#define GUC_CTL_CTXNUM_IN16_SHIFT 0
-#define GUC_CTL_BASE_ADDR_SHIFT 12
-
-#define GUC_CTL_LOG_PARAMS 1
+#define GUC_CTL_LOG_PARAMS 0
#define GUC_LOG_VALID (1 << 0)
#define GUC_LOG_NOTIFY_ON_HALF_FULL (1 << 1)
#define GUC_LOG_ALLOC_IN_MEGABYTE (1 << 3)
@@ -79,11 +74,11 @@
#define GUC_LOG_ISR_MASK (0x7 << GUC_LOG_ISR_SHIFT)
#define GUC_LOG_BUF_ADDR_SHIFT 12
-#define GUC_CTL_WA 2
-#define GUC_CTL_FEATURE 3
+#define GUC_CTL_WA 1
+#define GUC_CTL_FEATURE 2
#define GUC_CTL_DISABLE_SCHEDULER (1 << 14)
-#define GUC_CTL_DEBUG 4
+#define GUC_CTL_DEBUG 3
#define GUC_LOG_VERBOSITY_SHIFT 0
#define GUC_LOG_VERBOSITY_LOW (0 << GUC_LOG_VERBOSITY_SHIFT)
#define GUC_LOG_VERBOSITY_MED (1 << GUC_LOG_VERBOSITY_SHIFT)
@@ -97,12 +92,37 @@
#define GUC_LOG_DISABLED (1 << 6)
#define GUC_PROFILE_ENABLED (1 << 7)
-#define GUC_CTL_ADS 5
+#define GUC_CTL_ADS 4
#define GUC_ADS_ADDR_SHIFT 1
#define GUC_ADS_ADDR_MASK (0xFFFFF << GUC_ADS_ADDR_SHIFT)
#define GUC_CTL_MAX_DWORDS (SOFT_SCRATCH_COUNT - 2) /* [1..14] */
+/* Generic GT SysInfo data types */
+#define GUC_GENERIC_GT_SYSINFO_SLICE_ENABLED 0
+#define GUC_GENERIC_GT_SYSINFO_VDBOX_SFC_SUPPORT_MASK 1
+#define GUC_GENERIC_GT_SYSINFO_DOORBELL_COUNT_PER_SQIDI 2
+#define GUC_GENERIC_GT_SYSINFO_MAX 16
+
+/*
+ * The class goes in bits [0..2] of the GuC ID, the instance in bits [3..6].
+ * Bit 7 can be used for operations that apply to all engine classes&instances.
+ */
+#define GUC_ENGINE_CLASS_SHIFT 0
+#define GUC_ENGINE_CLASS_MASK (0x7 << GUC_ENGINE_CLASS_SHIFT)
+#define GUC_ENGINE_INSTANCE_SHIFT 3
+#define GUC_ENGINE_INSTANCE_MASK (0xf << GUC_ENGINE_INSTANCE_SHIFT)
+#define GUC_ENGINE_ALL_INSTANCES BIT(7)
+
+#define MAKE_GUC_ID(class, instance) \
+ (((class) << GUC_ENGINE_CLASS_SHIFT) | \
+ ((instance) << GUC_ENGINE_INSTANCE_SHIFT))
+
+#define GUC_ID_TO_ENGINE_CLASS(guc_id) \
+ (((guc_id) & GUC_ENGINE_CLASS_MASK) >> GUC_ENGINE_CLASS_SHIFT)
+#define GUC_ID_TO_ENGINE_INSTANCE(guc_id) \
+ (((guc_id) & GUC_ENGINE_INSTANCE_MASK) >> GUC_ENGINE_INSTANCE_SHIFT)
+
/* Work item for submitting workloads into work queue of GuC. */
struct guc_wq_item {
u32 header;
@@ -336,11 +356,6 @@ struct guc_policies {
} __packed;
/* GuC MMIO reg state struct */
-
-
-#define GUC_REGSET_MAX_REGISTERS 64
-#define GUC_S3_SAVE_SPACE_PAGES 10
-
struct guc_mmio_reg {
u32 offset;
u32 value;
@@ -348,28 +363,18 @@ struct guc_mmio_reg {
#define GUC_REGSET_MASKED (1 << 0)
} __packed;
-struct guc_mmio_regset {
- struct guc_mmio_reg registers[GUC_REGSET_MAX_REGISTERS];
- u32 values_valid;
- u32 number_of_registers;
-} __packed;
-
/* GuC register sets */
-struct guc_mmio_reg_state {
- struct guc_mmio_regset engine_reg[GUC_MAX_ENGINE_CLASSES][GUC_MAX_INSTANCES_PER_CLASS];
- u32 reserved[98];
+struct guc_mmio_reg_set {
+ u32 address;
+ u16 count;
+ u16 reserved;
} __packed;
/* HW info */
struct guc_gt_system_info {
- u32 slice_enabled;
- u32 rcs_enabled;
- u32 reserved0;
- u32 bcs_enabled;
- u32 vdbox_enable_mask;
- u32 vdbox_sfc_support_mask;
- u32 vebox_enable_mask;
- u32 reserved[9];
+ u8 mapping_table[GUC_MAX_ENGINE_CLASSES][GUC_MAX_INSTANCES_PER_CLASS];
+ u32 engine_enabled_masks[GUC_MAX_ENGINE_CLASSES];
+ u32 generic_gt_sysinfo[GUC_GENERIC_GT_SYSINFO_MAX];
} __packed;
/* Clients info */
@@ -390,15 +395,16 @@ struct guc_clients_info {
/* GuC Additional Data Struct */
struct guc_ads {
- u32 reg_state_addr;
- u32 reg_state_buffer;
+ struct guc_mmio_reg_set reg_state_list[GUC_MAX_ENGINE_CLASSES][GUC_MAX_INSTANCES_PER_CLASS];
+ u32 reserved0;
u32 scheduler_policies;
u32 gt_system_info;
u32 clients_info;
u32 control_data;
u32 golden_context_lrca[GUC_MAX_ENGINE_CLASSES];
u32 eng_state_size[GUC_MAX_ENGINE_CLASSES];
- u32 reserved[16];
+ u32 private_data;
+ u32 reserved[15];
} __packed;
/* GuC logging structures */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
index 1949346e714e..b37fc2ffaef2 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_reg.h
@@ -118,6 +118,11 @@ struct guc_doorbell_info {
#define GEN8_DRB_VALID (1<<0)
#define GEN8_DRBREGU(x) _MMIO(0x1000 + (x) * 8 + 4)
+#define GEN12_DIST_DBS_POPULATED _MMIO(0xd08)
+#define GEN12_DOORBELLS_PER_SQIDI_SHIFT 16
+#define GEN12_DOORBELLS_PER_SQIDI (0xff)
+#define GEN12_SQIDIS_DOORBELL_EXIST (0xffff)
+
#define DE_GUCRMR _MMIO(0x44054)
#define GUC_BCS_RCS_IER _MMIO(0xC550)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
index 80e8b6c3bc8c..ee4ac3922277 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
@@ -44,23 +44,19 @@ void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw,
* List of required GuC and HuC binaries per-platform.
* Must be ordered based on platform + revid, from newer to older.
*
- * TGL 35.2 is interface-compatible with 33.0 for previous Gens. The deltas
- * between 33.0 and 35.2 are only related to new additions to support new Gen12
- * features.
- *
* Note that RKL uses the same firmware as TGL.
*/
#define INTEL_UC_FIRMWARE_DEFS(fw_def, guc_def, huc_def) \
- fw_def(ROCKETLAKE, 0, guc_def(tgl, 35, 2, 0), huc_def(tgl, 7, 5, 0)) \
- fw_def(TIGERLAKE, 0, guc_def(tgl, 35, 2, 0), huc_def(tgl, 7, 5, 0)) \
- fw_def(ELKHARTLAKE, 0, guc_def(ehl, 33, 0, 4), huc_def(ehl, 9, 0, 0)) \
- fw_def(ICELAKE, 0, guc_def(icl, 33, 0, 0), huc_def(icl, 9, 0, 0)) \
- fw_def(COMETLAKE, 5, guc_def(cml, 33, 0, 0), huc_def(cml, 4, 0, 0)) \
- fw_def(COFFEELAKE, 0, guc_def(kbl, 33, 0, 0), huc_def(kbl, 4, 0, 0)) \
- fw_def(GEMINILAKE, 0, guc_def(glk, 33, 0, 0), huc_def(glk, 4, 0, 0)) \
- fw_def(KABYLAKE, 0, guc_def(kbl, 33, 0, 0), huc_def(kbl, 4, 0, 0)) \
- fw_def(BROXTON, 0, guc_def(bxt, 33, 0, 0), huc_def(bxt, 2, 0, 0)) \
- fw_def(SKYLAKE, 0, guc_def(skl, 33, 0, 0), huc_def(skl, 2, 0, 0))
+ fw_def(ROCKETLAKE, 0, guc_def(tgl, 49, 0, 1), huc_def(tgl, 7, 5, 0)) \
+ fw_def(TIGERLAKE, 0, guc_def(tgl, 49, 0, 1), huc_def(tgl, 7, 5, 0)) \
+ fw_def(ELKHARTLAKE, 0, guc_def(ehl, 49, 0, 1), huc_def(ehl, 9, 0, 0)) \
+ fw_def(ICELAKE, 0, guc_def(icl, 49, 0, 1), huc_def(icl, 9, 0, 0)) \
+ fw_def(COMETLAKE, 5, guc_def(cml, 49, 0, 1), huc_def(cml, 4, 0, 0)) \
+ fw_def(COFFEELAKE, 0, guc_def(kbl, 49, 0, 1), huc_def(kbl, 4, 0, 0)) \
+ fw_def(GEMINILAKE, 0, guc_def(glk, 49, 0, 1), huc_def(glk, 4, 0, 0)) \
+ fw_def(KABYLAKE, 0, guc_def(kbl, 49, 0, 1), huc_def(kbl, 4, 0, 0)) \
+ fw_def(BROXTON, 0, guc_def(bxt, 49, 0, 1), huc_def(bxt, 2, 0, 0)) \
+ fw_def(SKYLAKE, 0, guc_def(skl, 49, 0, 1), huc_def(skl, 2, 0, 0))
#define __MAKE_UC_FW_PATH(prefix_, name_, major_, minor_, patch_) \
"i915/" \
@@ -371,6 +367,9 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
}
}
+ if (uc_fw->type == INTEL_UC_FW_TYPE_GUC)
+ uc_fw->private_data_size = css->private_data_size;
+
obj = i915_gem_object_create_shmem_from_data(i915, fw->data, fw->size);
if (IS_ERR(obj)) {
err = PTR_ERR(obj);
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
index 23d3a423ac0f..99bb1fe1af66 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
@@ -88,6 +88,8 @@ struct intel_uc_fw {
u32 rsa_size;
u32 ucode_size;
+
+ u32 private_data_size;
};
#ifdef CONFIG_DRM_I915_DEBUG_GUC
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h
index 029214cdedd5..e41ffc7a7fbc 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw_abi.h
@@ -69,7 +69,11 @@ struct uc_css_header {
#define CSS_SW_VERSION_UC_MAJOR (0xFF << 16)
#define CSS_SW_VERSION_UC_MINOR (0xFF << 8)
#define CSS_SW_VERSION_UC_PATCH (0xFF << 0)
- u32 reserved[14];
+ u32 reserved0[13];
+ union {
+ u32 private_data_size; /* only applies to GuC */
+ u32 reserved1;
+ };
u32 header_info;
} __packed;
static_assert(sizeof(struct uc_css_header) == 128);
