From: Leo Chen <leo.chen@amd.com>
Date: Thu, 18 Dec 2025 00:32:45 +0000 (-0500)
Subject: drm/amd/display: Add global fgcg function prototype to DCCG
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1883b2578df3e3577b429fd46776e788b2107ec0;p=thirdparty%2Fkernel%2Flinux.git

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 500a601e99b5..1e6ffd86a4c0 100644
--- 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__