From 9b5f839e14a52c67492830b718d4ac8dddf04688 Mon Sep 17 00:00:00 2001 From: Mika Kahola Date: Mon, 17 Nov 2025 12:45:54 +0200 Subject: [PATCH] drm/i915/cx0: Add .compare_hw_state hook Add .compare_hw_state function pointer for MTL+ platforms to support dpll framework. Signed-off-by: Mika Kahola Reviewed-by: Suraj Kandpal Link: https://lore.kernel.org/r/20251117104602.2363671-25-mika.kahola@intel.com --- drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index aee8f1a5848a9..c0ba269dc714d 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -4449,6 +4449,15 @@ static void mtl_dump_hw_state(struct drm_printer *p, intel_cx0pll_dump_hw_state(p, &dpll_hw_state->cx0pll); } +static bool mtl_compare_hw_state(const struct intel_dpll_hw_state *_a, + const struct intel_dpll_hw_state *_b) +{ + const struct intel_cx0pll_state *a = &_a->cx0pll; + const struct intel_cx0pll_state *b = &_b->cx0pll; + + return intel_cx0pll_compare_hw_state(a, b); +} + __maybe_unused static const struct intel_dpll_mgr mtl_pll_mgr = { .dpll_info = mtl_plls, @@ -4458,6 +4467,7 @@ static const struct intel_dpll_mgr mtl_pll_mgr = { .update_active_dpll = icl_update_active_dpll, .update_ref_clks = icl_update_dpll_ref_clks, .dump_hw_state = mtl_dump_hw_state, + .compare_hw_state = mtl_compare_hw_state, }; /** -- 2.47.3