1 files changed, 140 insertions, 11 deletions

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index d292f290cd6e..467796d97313 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -67,6 +67,7 @@
 #include "amdgpu_dm_debugfs.h"
 #endif
 #include "amdgpu_dm_psr.h"
+#include "amdgpu_dm_replay.h"
 
 #include "ivsrcid/ivsrcid_vislands30.h"
 
@@ -2121,6 +2122,16 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
 	const struct dmcub_firmware_header_v1_0 *hdr;
 	enum dmub_asic dmub_asic;
 	enum dmub_status status;
+	static enum dmub_window_memory_type window_memory_type[DMUB_WINDOW_TOTAL] = {
+		DMUB_WINDOW_MEMORY_TYPE_FB,		//DMUB_WINDOW_0_INST_CONST
+		DMUB_WINDOW_MEMORY_TYPE_FB,		//DMUB_WINDOW_1_STACK
+		DMUB_WINDOW_MEMORY_TYPE_FB,		//DMUB_WINDOW_2_BSS_DATA
+		DMUB_WINDOW_MEMORY_TYPE_FB,		//DMUB_WINDOW_3_VBIOS
+		DMUB_WINDOW_MEMORY_TYPE_FB,		//DMUB_WINDOW_4_MAILBOX
+		DMUB_WINDOW_MEMORY_TYPE_FB,		//DMUB_WINDOW_5_TRACEBUFF
+		DMUB_WINDOW_MEMORY_TYPE_FB,		//DMUB_WINDOW_6_FW_STATE
+		DMUB_WINDOW_MEMORY_TYPE_FB		//DMUB_WINDOW_7_SCRATCH_MEM
+	};
 	int r;
 
 	switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) {
@@ -2218,7 +2229,7 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
 		adev->dm.dmub_fw->data +
 		le32_to_cpu(hdr->header.ucode_array_offset_bytes) +
 		PSP_HEADER_BYTES;
-	region_params.is_mailbox_in_inbox = false;
+	region_params.window_memory_type = window_memory_type;
 
 	status = dmub_srv_calc_region_info(dmub_srv, &region_params,
 					   &region_info);
@@ -2246,6 +2257,7 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
 	memory_params.cpu_fb_addr = adev->dm.dmub_bo_cpu_addr;
 	memory_params.gpu_fb_addr = adev->dm.dmub_bo_gpu_addr;
 	memory_params.region_info = &region_info;
+	memory_params.window_memory_type = window_memory_type;
 
 	adev->dm.dmub_fb_info =
 		kzalloc(sizeof(*adev->dm.dmub_fb_info), GFP_KERNEL);
@@ -4399,6 +4411,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 	enum dc_connection_type new_connection_type = dc_connection_none;
 	const struct dc_plane_cap *plane;
 	bool psr_feature_enabled = false;
+	bool replay_feature_enabled = false;
 	int max_overlay = dm->dc->caps.max_slave_planes;
 
 	dm->display_indexes_num = dm->dc->caps.max_streams;
@@ -4510,6 +4523,23 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 		}
 	}
 
+	/* Determine whether to enable Replay support by default. */
+	if (!(amdgpu_dc_debug_mask & DC_DISABLE_REPLAY)) {
+		switch (amdgpu_ip_version(adev, DCE_HWIP, 0)) {
+		case IP_VERSION(3, 1, 4):
+		case IP_VERSION(3, 1, 5):
+		case IP_VERSION(3, 1, 6):
+		case IP_VERSION(3, 2, 0):
+		case IP_VERSION(3, 2, 1):
+		case IP_VERSION(3, 5, 0):
+			replay_feature_enabled = true;
+			break;
+		default:
+			replay_feature_enabled = amdgpu_dc_feature_mask & DC_REPLAY_MASK;
+			break;
+		}
+	}
+
 	/* loops over all connectors on the board */
 	for (i = 0; i < link_cnt; i++) {
 		struct dc_link *link = NULL;
@@ -4578,6 +4608,11 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
 				amdgpu_dm_update_connector_after_detect(aconnector);
 				setup_backlight_device(dm, aconnector);
 
+				/* Disable PSR if Replay can be enabled */
+				if (replay_feature_enabled)
+					if (amdgpu_dm_set_replay_caps(link, aconnector))
+						psr_feature_enabled = false;
+
 				if (psr_feature_enabled)
 					amdgpu_dm_set_psr_caps(link);
 
@@ -6402,10 +6437,81 @@ int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector,
 	return ret;
 }
 
+/**
+ * DOC: panel power savings
+ *
+ * The display manager allows you to set your desired **panel power savings**
+ * level (between 0-4, with 0 representing off), e.g. using the following::
+ *
+ *   # echo 3 > /sys/class/drm/card0-eDP-1/amdgpu/panel_power_savings
+ *
+ * Modifying this value can have implications on color accuracy, so tread
+ * carefully.
+ */
+
+static ssize_t panel_power_savings_show(struct device *device,
+					struct device_attribute *attr,
+					char *buf)
+{
+	struct drm_connector *connector = dev_get_drvdata(device);
+	struct drm_device *dev = connector->dev;
+	u8 val;
+
+	drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
+	val = to_dm_connector_state(connector->state)->abm_level ==
+		ABM_LEVEL_IMMEDIATE_DISABLE ? 0 :
+		to_dm_connector_state(connector->state)->abm_level;
+	drm_modeset_unlock(&dev->mode_config.connection_mutex);
+
+	return sysfs_emit(buf, "%u\n", val);
+}
+
+static ssize_t panel_power_savings_store(struct device *device,
+					 struct device_attribute *attr,
+					 const char *buf, size_t count)
+{
+	struct drm_connector *connector = dev_get_drvdata(device);
+	struct drm_device *dev = connector->dev;
+	long val;
+	int ret;
+
+	ret = kstrtol(buf, 0, &val);
+
+	if (ret)
+		return ret;
+
+	if (val < 0 || val > 4)
+		return -EINVAL;
+
+	drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
+	to_dm_connector_state(connector->state)->abm_level = val ?:
+		ABM_LEVEL_IMMEDIATE_DISABLE;
+	drm_modeset_unlock(&dev->mode_config.connection_mutex);
+
+	drm_kms_helper_hotplug_event(dev);
+
+	return count;
+}
+
+static DEVICE_ATTR_RW(panel_power_savings);
+
+static struct attribute *amdgpu_attrs[] = {
+	&dev_attr_panel_power_savings.attr,
+	NULL
+};
+
+static const struct attribute_group amdgpu_group = {
+	.name = "amdgpu",
+	.attrs = amdgpu_attrs
+};
+
 static void amdgpu_dm_connector_unregister(struct drm_connector *connector)
 {
 	struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector);
 
+	if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
+		sysfs_remove_group(&connector->kdev->kobj, &amdgpu_group);
+
 	drm_dp_aux_unregister(&amdgpu_dm_connector->dm_dp_aux.aux);
 }
 
@@ -6507,6 +6613,13 @@ amdgpu_dm_connector_late_register(struct drm_connector *connector)
 		to_amdgpu_dm_connector(connector);
 	int r;
 
+	if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
+		r = sysfs_create_group(&connector->kdev->kobj,
+				       &amdgpu_group);
+		if (r)
+			return r;
+	}
+
 	amdgpu_dm_register_backlight_device(amdgpu_dm_connector);
 
 	if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
@@ -8526,10 +8639,22 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 			dm_update_pflip_irq_state(drm_to_adev(dev),
 						  acrtc_attach);
 
-		if ((acrtc_state->update_type > UPDATE_TYPE_FAST) &&
-				acrtc_state->stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED &&
-				!acrtc_state->stream->link->psr_settings.psr_feature_enabled)
-			amdgpu_dm_link_setup_psr(acrtc_state->stream);
+		if (acrtc_state->update_type > UPDATE_TYPE_FAST) {
+			if (acrtc_state->stream->link->replay_settings.config.replay_supported &&
+					!acrtc_state->stream->link->replay_settings.replay_feature_enabled) {
+				struct amdgpu_dm_connector *aconn =
+					(struct amdgpu_dm_connector *)acrtc_state->stream->dm_stream_context;
+				amdgpu_dm_link_setup_replay(acrtc_state->stream->link, aconn);
+			} else if (acrtc_state->stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED &&
+					!acrtc_state->stream->link->psr_settings.psr_feature_enabled) {
+
+				struct amdgpu_dm_connector *aconn = (struct amdgpu_dm_connector *)
+					acrtc_state->stream->dm_stream_context;
+
+				if (!aconn->disallow_edp_enter_psr)
+					amdgpu_dm_link_setup_psr(acrtc_state->stream);
+			}
+		}
 
 		/* Decrement skip count when PSR is enabled and we're doing fast updates. */
 		if (acrtc_state->update_type == UPDATE_TYPE_FAST &&
@@ -8556,6 +8681,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
 			    !amdgpu_dm_crc_window_is_activated(acrtc_state->base.crtc) &&
 #endif
 			    !acrtc_state->stream->link->psr_settings.psr_allow_active &&
+			    !aconn->disallow_edp_enter_psr &&
 			    (timestamp_ns -
 			    acrtc_state->stream->link->psr_settings.psr_dirty_rects_change_timestamp_ns) >
 			    500000000)
@@ -8818,11 +8944,12 @@ static void amdgpu_dm_commit_streams(struct drm_atomic_state *state,
 		}
 	} /* for_each_crtc_in_state() */
 
-	/* if there mode set or reset, disable eDP PSR */
+	/* if there mode set or reset, disable eDP PSR, Replay */
 	if (mode_set_reset_required) {
 		if (dm->vblank_control_workqueue)
 			flush_workqueue(dm->vblank_control_workqueue);
 
+		amdgpu_dm_replay_disable_all(dm);
 		amdgpu_dm_psr_disable_all(dm);
 	}
 
@@ -10731,11 +10858,13 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 			goto fail;
 		}
 
-		ret = compute_mst_dsc_configs_for_state(state, dm_state->context, vars);
-		if (ret) {
-			DRM_DEBUG_DRIVER("compute_mst_dsc_configs_for_state() failed\n");
-			ret = -EINVAL;
-			goto fail;
+		if (dc_resource_is_dsc_encoding_supported(dc)) {
+			ret = compute_mst_dsc_configs_for_state(state, dm_state->context, vars);
+			if (ret) {
+				DRM_DEBUG_DRIVER("compute_mst_dsc_configs_for_state() failed\n");
+				ret = -EINVAL;
+				goto fail;
+			}
 		}
 
 		ret = dm_update_mst_vcpi_slots_for_dsc(state, dm_state->context, vars);