diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dpll_mgr.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 59 |
1 files changed, 29 insertions, 30 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index fb694ff9dc..87deb135c9 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -219,6 +219,26 @@ intel_tc_pll_enable_reg(struct drm_i915_private *i915, return MG_PLL_ENABLE(tc_port); } +static void _intel_enable_shared_dpll(struct drm_i915_private *i915, + struct intel_shared_dpll *pll) +{ + if (pll->info->power_domain) + pll->wakeref = intel_display_power_get(i915, pll->info->power_domain); + + pll->info->funcs->enable(i915, pll); + pll->on = true; +} + +static void _intel_disable_shared_dpll(struct drm_i915_private *i915, + struct intel_shared_dpll *pll) +{ + pll->info->funcs->disable(i915, pll); + pll->on = false; + + if (pll->info->power_domain) + intel_display_power_put(i915, pll->info->power_domain, pll->wakeref); +} + /** * intel_enable_shared_dpll - enable a CRTC's shared DPLL * @crtc_state: CRTC, and its state, which has a shared DPLL @@ -258,8 +278,8 @@ void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state) drm_WARN_ON(&i915->drm, pll->on); drm_dbg_kms(&i915->drm, "enabling %s\n", pll->info->name); - pll->info->funcs->enable(i915, pll); - pll->on = true; + + _intel_enable_shared_dpll(i915, pll); out: mutex_unlock(&i915->display.dpll.lock); @@ -304,8 +324,8 @@ void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state) goto out; drm_dbg_kms(&i915->drm, "disabling %s\n", pll->info->name); - pll->info->funcs->disable(i915, pll); - pll->on = false; + + _intel_disable_shared_dpll(i915, pll); out: mutex_unlock(&i915->display.dpll.lock); @@ -3844,18 +3864,6 @@ static void combo_pll_enable(struct drm_i915_private *i915, { i915_reg_t enable_reg = intel_combo_pll_enable_reg(i915, pll); - if ((IS_JASPERLAKE(i915) || IS_ELKHARTLAKE(i915)) && - pll->info->id == DPLL_ID_EHL_DPLL4) { - - /* - * We need to disable DC states when this DPLL is enabled. - * This can be done by taking a reference on DPLL4 power - * domain. - */ - pll->wakeref = intel_display_power_get(i915, - POWER_DOMAIN_DC_OFF); - } - icl_pll_power_enable(i915, pll, enable_reg); icl_dpll_write(i915, pll); @@ -3951,11 +3959,6 @@ static void combo_pll_disable(struct drm_i915_private *i915, i915_reg_t enable_reg = intel_combo_pll_enable_reg(i915, pll); icl_pll_disable(i915, pll, enable_reg); - - if ((IS_JASPERLAKE(i915) || IS_ELKHARTLAKE(i915)) && - pll->info->id == DPLL_ID_EHL_DPLL4) - intel_display_power_put(i915, POWER_DOMAIN_DC_OFF, - pll->wakeref); } static void tbt_pll_disable(struct drm_i915_private *i915, @@ -4048,7 +4051,8 @@ static const struct intel_dpll_mgr icl_pll_mgr = { static const struct dpll_info ehl_plls[] = { { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, }, { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, }, - { .name = "DPLL 4", .funcs = &combo_pll_funcs, .id = DPLL_ID_EHL_DPLL4, }, + { .name = "DPLL 4", .funcs = &combo_pll_funcs, .id = DPLL_ID_EHL_DPLL4, + .power_domain = POWER_DOMAIN_DC_OFF, }, {} }; @@ -4378,12 +4382,8 @@ static void readout_dpll_hw_state(struct drm_i915_private *i915, pll->on = intel_dpll_get_hw_state(i915, pll, &pll->state.hw_state); - if ((IS_JASPERLAKE(i915) || IS_ELKHARTLAKE(i915)) && - pll->on && - pll->info->id == DPLL_ID_EHL_DPLL4) { - pll->wakeref = intel_display_power_get(i915, - POWER_DOMAIN_DC_OFF); - } + if (pll->on && pll->info->power_domain) + pll->wakeref = intel_display_power_get(i915, pll->info->power_domain); pll->state.pipe_mask = 0; for_each_intel_crtc(&i915->drm, crtc) { @@ -4430,8 +4430,7 @@ static void sanitize_dpll_state(struct drm_i915_private *i915, "%s enabled but not in use, disabling\n", pll->info->name); - pll->info->funcs->disable(i915, pll); - pll->on = false; + _intel_disable_shared_dpll(i915, pll); } void intel_dpll_sanitize_state(struct drm_i915_private *i915) |