Replicate the SLPC header file in GuC for the most part. There are
some SLPC mode based parameters which haven't been included since
we are not using them.
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@xxxxxxxxx>
Signed-off-by: Sundaresan Sujaritha <sujaritha.sundaresan@xxxxxxxxx>
---
drivers/gpu/drm/i915/gt/uc/intel_guc.c | 4 +
drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h | 2 +
drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h | 2 +
.../gpu/drm/i915/gt/uc/intel_guc_slpc_fwif.h | 255 ++++++++++++++++++
4 files changed, 263 insertions(+)
create mode 100644 drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_fwif.h
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
index b9a809f2d221..9d61b2d54de4 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
@@ -202,11 +202,15 @@ static u32 guc_ctl_debug_flags(struct intel_guc *guc)
static u32 guc_ctl_feature_flags(struct intel_guc *guc)
{
+ struct intel_gt *gt = guc_to_gt(guc);
u32 flags = 0;
if (!intel_guc_submission_is_used(guc))
flags |= GUC_CTL_DISABLE_SCHEDULER;
+ if (intel_uc_uses_guc_slpc(>->uc))
+ flags |= GUC_CTL_ENABLE_SLPC;
+
return flags;
}
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 94bb1ca6f889..19e2504d7a36 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
@@ -114,6 +114,8 @@
#define GUC_ADS_ADDR_SHIFT 1
#define GUC_ADS_ADDR_MASK (0xFFFFF << GUC_ADS_ADDR_SHIFT)
+#define GUC_CTL_ENABLE_SLPC BIT(2)
+
#define GUC_CTL_MAX_DWORDS (SOFT_SCRATCH_COUNT - 2) /* [1..14] */
/* Generic GT SysInfo data types */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h
index 74fd86769163..98036459a1a3 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc.h
@@ -6,6 +6,8 @@
#ifndef _INTEL_GUC_SLPC_H_
#define _INTEL_GUC_SLPC_H_
+#include "intel_guc_slpc_fwif.h"
+
struct intel_guc_slpc {
};
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_fwif.h
new file mode 100644
index 000000000000..2a5e71428374
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_slpc_fwif.h
@@ -0,0 +1,255 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2020 Intel Corporation
+ */
+#ifndef _INTEL_GUC_SLPC_FWIF_H_
+#define _INTEL_GUC_SLPC_FWIF_H_
+
+#include <linux/types.h>
+
+/* This file replicates the header in GuC code for handling SLPC related
+ * data structures and sizes
+ */
+
+/* SLPC exposes certain parameters for global configuration by the host.
+ * These are referred to as override parameters, because in most cases
+ * the host will not need to modify the default values used by SLPC.
+ * SLPC remembers the default values which allows the host to easily restore
+ * them by simply unsetting the override. The host can set or unset override
+ * parameters during SLPC (re-)initialization using the SLPC Reset event.
+ * The host can also set or unset override parameters on the fly using the
+ * Parameter Set and Parameter Unset events
+ */
+#define SLPC_MAX_OVERRIDE_PARAMETERS 256
+#define SLPC_OVERRIDE_BITFIELD_SIZE \
+ (SLPC_MAX_OVERRIDE_PARAMETERS / 32)
+
+#define SLPC_PAGE_SIZE_BYTES 4096
+#define SLPC_CACHELINE_SIZE_BYTES 64
+#define SLPC_SHARE_DATA_SIZE_BYTE_HEADER SLPC_CACHELINE_SIZE_BYTES
+#define SLPC_SHARE_DATA_SIZE_BYTE_PLATFORM_INFO SLPC_CACHELINE_SIZE_BYTES
+#define SLPC_SHARE_DATA_SIZE_BYTE_TASK_STATE SLPC_CACHELINE_SIZE_BYTES
+#define SLPC_SHARE_DATA_MODE_DEFN_TABLE_SIZE SLPC_PAGE_SIZE_BYTES
+
+#define SLPC_SHARE_DATA_SIZE_BYTE_MAX (2 * SLPC_PAGE_SIZE_BYTES)
+
+/* Cacheline size aligned (Total size needed for
+ * SLPM_KMD_MAX_OVERRIDE_PARAMETERS=256 is 1088 bytes)
+ */
+#define SLPC_SHARE_DATA_SIZE_BYTE_PARAM (((((SLPC_MAX_OVERRIDE_PARAMETERS * 4) \
+ + ((SLPC_MAX_OVERRIDE_PARAMETERS / 32) * 4)) \
+ + (SLPC_CACHELINE_SIZE_BYTES-1)) / SLPC_CACHELINE_SIZE_BYTES)*SLPC_CACHELINE_SIZE_BYTES)
+
+#define SLPC_SHARE_DATA_SIZE_BYTE_OTHER (SLPC_SHARE_DATA_SIZE_BYTE_MAX - \
+ (SLPC_SHARE_DATA_SIZE_BYTE_HEADER \
+ + SLPC_SHARE_DATA_SIZE_BYTE_PLATFORM_INFO \
+ + SLPC_SHARE_DATA_SIZE_BYTE_TASK_STATE \
+ + SLPC_SHARE_DATA_SIZE_BYTE_PARAM \
+ + SLPC_SHARE_DATA_MODE_DEFN_TABLE_SIZE))
+
+#define SLPC_EVENT(id, argc) ((u32)(id) << 8 | (argc))
+
+#define SLPC_PARAM_TASK_DEFAULT 0
+#define SLPC_PARAM_TASK_ENABLED 1
+#define SLPC_PARAM_TASK_DISABLED 2
+#define SLPC_PARAM_TASK_UNKNOWN 3
+
+enum slpc_status {
+ SLPC_STATUS_OK = 0,
+ SLPC_STATUS_ERROR = 1,
+ SLPC_STATUS_ILLEGAL_COMMAND = 2,
+ SLPC_STATUS_INVALID_ARGS = 3,
+ SLPC_STATUS_INVALID_PARAMS = 4,
+ SLPC_STATUS_INVALID_DATA = 5,
+ SLPC_STATUS_OUT_OF_RANGE = 6,
+ SLPC_STATUS_NOT_SUPPORTED = 7,
+ SLPC_STATUS_NOT_IMPLEMENTED = 8,
+ SLPC_STATUS_NO_DATA = 9,
+ SLPC_STATUS_EVENT_NOT_REGISTERED = 10,
+ SLPC_STATUS_REGISTER_LOCKED = 11,
+ SLPC_STATUS_TEMPORARILY_UNAVAILABLE = 12,
+ SLPC_STATUS_VALUE_ALREADY_SET = 13,
+ SLPC_STATUS_VALUE_ALREADY_UNSET = 14,
+ SLPC_STATUS_VALUE_NOT_CHANGED = 15,
+ SLPC_STATUS_MEMIO_ERROR = 16,
+ SLPC_STATUS_EVENT_QUEUED_REQ_DPC = 17,
+ SLPC_STATUS_EVENT_QUEUED_NOREQ_DPC = 18,
+ SLPC_STATUS_NO_EVENT_QUEUED = 19,
+ SLPC_STATUS_OUT_OF_SPACE = 20,
+ SLPC_STATUS_TIMEOUT = 21,
+ SLPC_STATUS_NO_LOCK = 22,
+ SLPC_STATUS_MAX
+};
+
+enum slpc_event_id {
+ SLPC_EVENT_RESET = 0,
+ SLPC_EVENT_SHUTDOWN = 1,
+ SLPC_EVENT_PLATFORM_INFO_CHANGE = 2,
+ SLPC_EVENT_DISPLAY_MODE_CHANGE = 3,
+ SLPC_EVENT_FLIP_COMPLETE = 4,
+ SLPC_EVENT_QUERY_TASK_STATE = 5,
+ SLPC_EVENT_PARAMETER_SET = 6,
+ SLPC_EVENT_PARAMETER_UNSET = 7,
+};
+
+enum slpc_param_id {
+ SLPC_PARAM_TASK_ENABLE_GTPERF = 0,
+ SLPC_PARAM_TASK_DISABLE_GTPERF = 1,
+ SLPC_PARAM_TASK_ENABLE_BALANCER = 2,
+ SLPC_PARAM_TASK_DISABLE_BALANCER = 3,
+ SLPC_PARAM_TASK_ENABLE_DCC = 4,
+ SLPC_PARAM_TASK_DISABLE_DCC = 5,
+ SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ = 6,
+ SLPC_PARAM_GLOBAL_MAX_GT_UNSLICE_FREQ_MHZ = 7,
+ SLPC_PARAM_GLOBAL_MIN_GT_SLICE_FREQ_MHZ = 8,
+ SLPC_PARAM_GLOBAL_MAX_GT_SLICE_FREQ_MHZ = 9,
+ SLPC_PARAM_GTPERF_THRESHOLD_MAX_FPS = 10,
+ SLPC_PARAM_GLOBAL_DISABLE_GT_FREQ_MANAGEMENT = 11,
+ SLPC_PARAM_GTPERF_ENABLE_FRAMERATE_STALLING = 12,
+ SLPC_PARAM_GLOBAL_DISABLE_RC6_MODE_CHANGE = 13,
+ SLPC_PARAM_GLOBAL_OC_UNSLICE_FREQ_MHZ = 14,
+ SLPC_PARAM_GLOBAL_OC_SLICE_FREQ_MHZ = 15,
+ SLPC_PARAM_GLOBAL_ENABLE_IA_GT_BALANCING = 16,
+ SLPC_PARAM_GLOBAL_ENABLE_ADAPTIVE_BURST_TURBO = 17,
+ SLPC_PARAM_GLOBAL_ENABLE_EVAL_MODE = 18,
+ SLPC_PARAM_GLOBAL_ENABLE_BALANCER_IN_NON_GAMING_MODE = 19,
+ SLPC_PARAM_GLOBAL_RT_MODE_TURBO_FREQ_DELTA_MHZ = 20,
+ SLPC_PARAM_PWRGATE_RC_MODE = 21,
+ SLPC_PARAM_EDR_MODE_COMPUTE_TIMEOUT_MS = 22,
+ SLPC_PARAM_EDR_QOS_FREQ_MHZ = 23,
+ SLPC_PARAM_MEDIA_FF_RATIO_MODE = 24,
+ SLPC_PARAM_ENABLE_IA_FREQ_LIMITING = 25,
+ SLPC_PARAM_STRATEGIES = 26,
+ SLPC_PARAM_POWER_PROFILE = 27,
+ SLPC_IGNORE_EFFICIENT_FREQUENCY = 28,
+ SLPC_MAX_PARAM = 32,
+};
+
+enum slpc_global_state {
+ SLPC_GLOBAL_STATE_NOT_RUNNING = 0,
+ SLPC_GLOBAL_STATE_INITIALIZING = 1,
+ SLPC_GLOBAL_STATE_RESETTING = 2,
+ SLPC_GLOBAL_STATE_RUNNING = 3,
+ SLPC_GLOBAL_STATE_SHUTTING_DOWN = 4,
+ SLPC_GLOBAL_STATE_ERROR = 5
+};
+
+enum slpc_platform_sku {
+ SLPC_PLATFORM_SKU_UNDEFINED = 0,
+ SLPC_PLATFORM_SKU_ULX = 1,
+ SLPC_PLATFORM_SKU_ULT = 2,
+ SLPC_PLATFORM_SKU_T = 3,
+ SLPC_PLATFORM_SKU_MOBL = 4,
+ SLPC_PLATFORM_SKU_DT = 5,
+ SLPC_PLATFORM_SKU_UNKNOWN = 6,
+};
+
+struct slpc_platform_info {
+ union {
+ u32 sku; /**< SKU info */
+ struct {
+ u32 reserved:8;
+ u32 fused_slice_count:8;
+ u32 reserved1:16;
+ };
+ };
+ union
+ {
+ u32 bitfield2; /**< IA capability info*/
+ struct {
+ u32 max_p0_freq_bins:8;
+ u32 p1_freq_bins:8;
+ u32 pe_freq_bins:8;
+ u32 pn_freq_bins:8;
+ };
+ };
+ u32 reserved2[2];
+} __packed;
+
+struct slpc_task_state_data {
+ union {
+ u32 bitfield1;
+ struct {
+ u32 gtperf_task_active:1;
+ u32 gtperf_stall_possible:1;
+ u32 gtperf_gaming_mode:1;
+ u32 gtperf_target_fps:8;
+ u32 dcc_task_active:1;
+ u32 in_dcc:1;
+ u32 in_dct:1;
+ u32 freq_switch_active:1;
+ u32 ibc_enabled:1;
+ u32 ibc_active:1;
+ u32 pg1_enabled:1;
+ u32 pg1_active:1;
+ };
+ };
+ union {
+ u32 bitfield2;
+ struct {
+ u32 max_unslice_freq:8;
+ u32 min_unslice_freq:8;
+ u32 max_slice_freq:8;
+ u32 min_slice_freq:8;
+ };
+ };
+} __packed;
+
+struct slpc_shared_data {
+ union {
+ struct {
+ /* Total size in bytes of this buffer. */
+ u32 shared_data_size;
+ u32 global_state;
+ u32 display_data_addr;
+ };
+ unsigned char reserved_header[SLPC_SHARE_DATA_SIZE_BYTE_HEADER];
+ };
+
+ union {
+ struct slpc_platform_info platform_info;
+ unsigned char reserved_platform[SLPC_SHARE_DATA_SIZE_BYTE_PLATFORM_INFO];
+ };
+
+ union {
+ struct slpc_task_state_data task_state_data;
+ unsigned char reserved_task_state[SLPC_SHARE_DATA_SIZE_BYTE_TASK_STATE];
+ };
+
+ union {
+ struct {
+ u32 override_params_set_bits[SLPC_OVERRIDE_BITFIELD_SIZE];
+ u32 override_params_values[SLPC_MAX_OVERRIDE_PARAMETERS];
+ };
+ unsigned char reserved_override_parameter[SLPC_SHARE_DATA_SIZE_BYTE_PARAM];
+ };
+
+ unsigned char reserved_other[SLPC_SHARE_DATA_SIZE_BYTE_OTHER];
+
+ /* PAGE 2 (4096 bytes), mode based parameter will be removed soon */
+ unsigned char reserved_mode_definition[4096];
+} __packed;
+
+enum slpc_reset_flags {
+ SLPC_RESET_FLAG_TDR_OCCURRED = (1 << 0)
+};
+
+#define SLPC_EVENT_MAX_INPUT_ARGS 9
+#define SLPC_EVENT_MAX_OUTPUT_ARGS 1
+
+union slpc_event_input_header {
+ u32 value;
+ struct {
+ u32 num_args:8;
+ u32 event_id:8;
+ };
+};
+
+struct slpc_event_input {
+ u32 h2g_action_id;
+ union slpc_event_input_header header;
+ u32 args[SLPC_EVENT_MAX_INPUT_ARGS];
+} __packed;
+
+#endif
--
2.25.0
