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drm/i915/ehl: Add dpll mgr

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Elkhart Lake has a different set of PLLs as compared to Ice Lake,
although programming them is very similar.

v2: Rebase on top of s/icl_pll_funcs/combo_pll_funcs

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190322175847.25707-3-rodrigo.vivi@intel.com
This commit is contained in:
Lucas De Marchi 2019-03-22 10:58:44 -07:00 • committed by Rodrigo Vivi
parent 897f296152
commit e547f2a2fc
1 changed files with 15 additions and 1 deletions
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16
drivers/gpu/drm/i915/intel_dpll_mgr.c
View file

@ -3245,6 +3245,18 @@ static const struct intel_dpll_mgr icl_pll_mgr = {
.dump_hw_state = icl_dump_hw_state, .dump_hw_state = icl_dump_hw_state,
}; };
static const struct dpll_info ehl_plls[] = {
{ "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 },
{ "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 },
{ },
};
static const struct intel_dpll_mgr ehl_pll_mgr = {
.dpll_info = ehl_plls,
.get_dpll = icl_get_dpll,
.dump_hw_state = icl_dump_hw_state,
};
/** /**
* intel_shared_dpll_init - Initialize shared DPLLs * intel_shared_dpll_init - Initialize shared DPLLs
* @dev: drm device * @dev: drm device
@ -3258,7 +3270,9 @@ void intel_shared_dpll_init(struct drm_device *dev)
const struct dpll_info *dpll_info; const struct dpll_info *dpll_info;
int i; int i;
if (INTEL_GEN(dev_priv) >= 11) if (IS_ELKHARTLAKE(dev_priv))
dpll_mgr = &ehl_pll_mgr;
else if (INTEL_GEN(dev_priv) >= 11)
dpll_mgr = &icl_pll_mgr; dpll_mgr = &icl_pll_mgr;
else if (IS_CANNONLAKE(dev_priv)) else if (IS_CANNONLAKE(dev_priv))
dpll_mgr = &cnl_pll_mgr; dpll_mgr = &cnl_pll_mgr;