drm/amd/pm: Deprecate print_clk_levels callback

Use emit_clk_levels instead. Also, remove the unused helper function for
getting sysfs buffer offset.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: Lijo Lazar

drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h

@@ -829,15 +829,6 @@ struct pptable_funcs {
 	 */
 	int (*populate_umd_state_clk)(struct smu_context *smu);
 
-	/**
-	 * @print_clk_levels: Print DPM clock levels for a clock domain
-	 *                    to buffer. Star current level.
-	 *
-	 * Used for sysfs interfaces.
-	 * Return: Number of characters written to the buffer
-	 */
-	int (*print_clk_levels)(struct smu_context *smu, enum smu_clk_type clk_type, char *buf);
-
 	/**
 	 * @emit_clk_levels: Print DPM clock levels for a clock domain
 	 *                    to buffer using sysfs_emit_at. Star current level.

drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h

@@ -187,19 +187,6 @@ int smu_cmn_get_combo_pptable(struct smu_context *smu);
 int smu_cmn_set_mp1_state(struct smu_context *smu,
 			  enum pp_mp1_state mp1_state);
 
-/*
- * Helper function to make sysfs_emit_at() happy. Align buf to
- * the current page boundary and record the offset.
- */
-static inline void smu_cmn_get_sysfs_buf(char **buf, int *offset)
-{
-	if (!*buf || !offset)
-		return;
-
-	*offset = offset_in_page(*buf);
-	*buf -= *offset;
-}
-
 bool smu_cmn_is_audio_func_enabled(struct amdgpu_device *adev);
 void smu_cmn_generic_soc_policy_desc(struct smu_dpm_policy *policy);
 void smu_cmn_generic_plpd_policy_desc(struct smu_dpm_policy *policy);