drm/amd/display: Add global fgcg function prototype to DCCG

[Why & How]
Add the ability to enable/disable global fine grain clock gating within DCCG.

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Leo Chen <leo.chen@amd.com>
Signed-off-by: Matthew Stewart <matthew.stewart2@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h
index 500a601e99b502df7ed531c2bb390a4e55c3cca2..1e6ffd86a4c0a67abe9e7b0ad262c3bae4064009 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dccg.h
@@ -333,6 +333,7 @@ struct dccg_funcs {
        void (*set_ref_dscclk)(struct dccg *dccg, uint32_t dsc_inst);
        void (*dccg_root_gate_disable_control)(struct dccg *dccg, uint32_t pipe_idx, uint32_t disable_clock_gating);
        void (*dccg_read_reg_state)(struct dccg *dccg, struct dcn_dccg_reg_state *dccg_reg_state);
+       void (*dccg_enable_global_fgcg)(struct dccg *dccg, bool enable);
 };
 
 #endif //__DAL_DCCG_H__