add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
..
..
@@ -26,8 +26,7 @@
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 #include <linux/string.h>
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 #include <linux/acpi.h>
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-#include <drm/drmP.h>
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-#include <drm/drm_crtc_helper.h>
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+#include <drm/drm_probe_helper.h>
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 #include <drm/amdgpu_drm.h>
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 #include "dm_services.h"
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 #include "amdgpu.h"
..
..
@@ -48,29 +47,4 @@
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 {
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 }
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-bool dm_write_persistent_data(struct dc_context *ctx,
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-		const struct dc_sink *sink,
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-		const char *module_name,
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-		const char *key_name,
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-		void *params,
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-		unsigned int size,
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-		struct persistent_data_flag *flag)
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-{
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-	/*TODO implement*/
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-	return false;
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-}
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-
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-bool dm_read_persistent_data(struct dc_context *ctx,
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-				const struct dc_sink *sink,
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-				const char *module_name,
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-				const char *key_name,
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-				void *params,
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-				unsigned int size,
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-				struct persistent_data_flag *flag)
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-{
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-	/*TODO implement*/
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-	return false;
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-}
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-
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 /**** power component interfaces ****/
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-