From 8488fb054ea8a603921fe0a05bfc2bd43e64c5bc Mon Sep 17 00:00:00 2001 From: Nicholas Kazlauskas Date: Mon, 19 Jan 2026 16:09:50 -0500 Subject: [PATCH] drm/amd/display: Make DCN35 OTG disable w/a reusable The logic for the OTG disable workaround is particularly complex and should be leveraged going forward instead of reimplementing and maintaining it for multiple ASIC. Reviewed-by: Ovidiu Bunea Signed-off-by: Nicholas Kazlauskas Signed-off-by: Wayne Lin Tested-by: Dan Wheeler Signed-off-by: Alex Deucher --- .../gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c | 2 +- .../gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.h | 6 ++++++ 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c index 72558cc55a9a5..7abe6811e4dfa 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c @@ -186,7 +186,7 @@ static int dcn35_get_active_display_cnt_wa( return display_count; } -static void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context, +void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context, bool safe_to_lower, bool disable) { struct dc *dc = clk_mgr_base->ctx->dc; diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.h index a12a9bf90806e..83e2263563fe0 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.h +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.h @@ -64,4 +64,10 @@ void dcn351_clk_mgr_construct(struct dc_context *ctx, struct clk_mgr_dcn35 *clk_mgr, struct pp_smu_funcs *pp_smu, struct dccg *dccg); + +void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, + struct dc_state *context, + bool safe_to_lower, + bool disable); + #endif //__DCN35_CLK_MGR_H__ -- 2.47.3