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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c
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@@ -23,6 +23,8 @@
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  *
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  */
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+#include <linux/slab.h>
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+
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 #include "dm_services.h"
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 #include "dm_services_types.h"
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@@ -82,6 +84,14 @@
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 	*enc = NULL;
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 }
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+static void virtual_link_encoder_get_max_link_cap(struct link_encoder *enc,
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+		struct dc_link_settings *link_settings)
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+{
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+	/* Set Default link settings */
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+	struct dc_link_settings max_link_cap = {LANE_COUNT_FOUR, LINK_RATE_HIGH,
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+				LINK_SPREAD_05_DOWNSPREAD_30KHZ, false, 0};
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+	*link_settings = max_link_cap;
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+}
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 static const struct link_encoder_funcs virtual_lnk_enc_funcs = {
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 	.validate_output_with_stream =
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@@ -92,6 +102,7 @@
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 	.enable_dp_output = virtual_link_encoder_enable_dp_output,
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 	.enable_dp_mst_output = virtual_link_encoder_enable_dp_mst_output,
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 	.disable_output = virtual_link_encoder_disable_output,
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+	.get_max_link_cap = virtual_link_encoder_get_max_link_cap,
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 	.dp_set_lane_settings = virtual_link_encoder_dp_set_lane_settings,
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 	.dp_set_phy_pattern = virtual_link_encoder_dp_set_phy_pattern,
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 	.update_mst_stream_allocation_table =