amdgpu/pm: Implement new API function "emit" that accepts buffer base and write offset

   (v3)
     Rewrote patchset to order patches as (API, hw impl, usecase)

     - added API for new power management function emit_clk_levels
       This function should duplicate the functionality of print_clk_levels,
       but this solution passes the buffer base and write offset down the stack.
     - new powerplay function emit_clock_levels, implemented by smu_emit_ppclk_levels()
       This function parallels the implementation of smu_print_ppclk_levels and
       calls emit_clk_levels, and allows the returns of errors
     - new helper function smu_convert_to_smuclk called by smu_print_ppclk_levels and
       smu_emit_ppclk_levels

Signed-off-by: Darren Powell <darren.powell@amd.com>
Reviewed-By: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
index 387120099493..a4c267f15959 100644
--- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
@@ -321,6 +321,7 @@ struct amd_pm_funcs {
 	int (*get_fan_speed_pwm)(void *handle, u32 *speed);
 	int (*force_clock_level)(void *handle, enum pp_clock_type type, uint32_t mask);
 	int (*print_clock_levels)(void *handle, enum pp_clock_type type, char *buf);
+	int (*emit_clock_levels)(void *handle, enum pp_clock_type type, char *buf, int *offset);
 	int (*force_performance_level)(void *handle, enum amd_dpm_forced_level level);
 	int (*get_sclk_od)(void *handle);
 	int (*set_sclk_od)(void *handle, uint32_t value);