From 353ad959a0bc6d702218f9d77ff47bf80e3c2075 Mon Sep 17 00:00:00 2001 From: Imre Deak Date: Wed, 26 Feb 2020 22:34:45 +0200 Subject: [PATCH] drm/i915: Keep the global DPLL state in a DPLL specific struct MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit For clarity add a new DPLL specific struct to the i915 device struct and move all DPLL fields into it. Accordingly remove the dpll_ prefixes, as the new struct already provides the required namespacing. Signed-off-by: Imre Deak Reviewed-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20200226203455.23032-4-imre.deak@intel.com --- drivers/gpu/drm/i915/display/icl_dsi.c | 12 ++--- drivers/gpu/drm/i915/display/intel_ddi.c | 12 ++--- drivers/gpu/drm/i915/display/intel_display.c | 8 +-- .../gpu/drm/i915/display/intel_display_debugfs.c | 4 +- drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 60 +++++++++++----------- drivers/gpu/drm/i915/i915_drv.h | 22 ++++---- 6 files changed, 61 insertions(+), 57 deletions(-) diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index d842e280699d..c7214ace963a 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -599,13 +599,13 @@ static void gen11_dsi_gate_clocks(struct intel_encoder *encoder) u32 tmp; enum phy phy; - mutex_lock(&dev_priv->dpll_lock); + mutex_lock(&dev_priv->dpll.lock); tmp = intel_de_read(dev_priv, ICL_DPCLKA_CFGCR0); for_each_dsi_phy(phy, intel_dsi->phys) tmp |= ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy); intel_de_write(dev_priv, ICL_DPCLKA_CFGCR0, tmp); - mutex_unlock(&dev_priv->dpll_lock); + mutex_unlock(&dev_priv->dpll.lock); } static void gen11_dsi_ungate_clocks(struct intel_encoder *encoder) @@ -615,13 +615,13 @@ static void gen11_dsi_ungate_clocks(struct intel_encoder *encoder) u32 tmp; enum phy phy; - mutex_lock(&dev_priv->dpll_lock); + mutex_lock(&dev_priv->dpll.lock); tmp = intel_de_read(dev_priv, ICL_DPCLKA_CFGCR0); for_each_dsi_phy(phy, intel_dsi->phys) tmp &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy); intel_de_write(dev_priv, ICL_DPCLKA_CFGCR0, tmp); - mutex_unlock(&dev_priv->dpll_lock); + mutex_unlock(&dev_priv->dpll.lock); } static void gen11_dsi_map_pll(struct intel_encoder *encoder, @@ -633,7 +633,7 @@ static void gen11_dsi_map_pll(struct intel_encoder *encoder, enum phy phy; u32 val; - mutex_lock(&dev_priv->dpll_lock); + mutex_lock(&dev_priv->dpll.lock); val = intel_de_read(dev_priv, ICL_DPCLKA_CFGCR0); for_each_dsi_phy(phy, intel_dsi->phys) { @@ -652,7 +652,7 @@ static void gen11_dsi_map_pll(struct intel_encoder *encoder, intel_de_posting_read(dev_priv, ICL_DPCLKA_CFGCR0); - mutex_unlock(&dev_priv->dpll_lock); + mutex_unlock(&dev_priv->dpll.lock); } static void diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 9f7d1d7189ae..e09ab0d44afa 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -3049,7 +3049,7 @@ static void icl_map_plls_to_ports(struct intel_encoder *encoder, enum phy phy = intel_port_to_phy(dev_priv, encoder->port); u32 val; - mutex_lock(&dev_priv->dpll_lock); + mutex_lock(&dev_priv->dpll.lock); val = intel_de_read(dev_priv, ICL_DPCLKA_CFGCR0); drm_WARN_ON(&dev_priv->drm, @@ -3075,7 +3075,7 @@ static void icl_map_plls_to_ports(struct intel_encoder *encoder, val &= ~icl_dpclka_cfgcr0_clk_off(dev_priv, phy); intel_de_write(dev_priv, ICL_DPCLKA_CFGCR0, val); - mutex_unlock(&dev_priv->dpll_lock); + mutex_unlock(&dev_priv->dpll.lock); } static void icl_unmap_plls_to_ports(struct intel_encoder *encoder) @@ -3084,13 +3084,13 @@ static void icl_unmap_plls_to_ports(struct intel_encoder *encoder) enum phy phy = intel_port_to_phy(dev_priv, encoder->port); u32 val; - mutex_lock(&dev_priv->dpll_lock); + mutex_lock(&dev_priv->dpll.lock); val = intel_de_read(dev_priv, ICL_DPCLKA_CFGCR0); val |= icl_dpclka_cfgcr0_clk_off(dev_priv, phy); intel_de_write(dev_priv, ICL_DPCLKA_CFGCR0, val); - mutex_unlock(&dev_priv->dpll_lock); + mutex_unlock(&dev_priv->dpll.lock); } static void icl_sanitize_port_clk_off(struct drm_i915_private *dev_priv, @@ -3189,7 +3189,7 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder, if (drm_WARN_ON(&dev_priv->drm, !pll)) return; - mutex_lock(&dev_priv->dpll_lock); + mutex_lock(&dev_priv->dpll.lock); if (INTEL_GEN(dev_priv) >= 11) { if (!intel_phy_is_combo(dev_priv, phy)) @@ -3233,7 +3233,7 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder, hsw_pll_to_ddi_pll_sel(pll)); } - mutex_unlock(&dev_priv->dpll_lock); + mutex_unlock(&dev_priv->dpll.lock); } static void intel_ddi_clk_disable(struct intel_encoder *encoder) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 125d5c0eb49f..4d4d937090ff 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -9551,7 +9551,7 @@ static void ilk_init_pch_refclk(struct drm_i915_private *dev_priv) } /* Check if any DPLLs are using the SSC source */ - for (i = 0; i < dev_priv->num_shared_dpll; i++) { + for (i = 0; i < dev_priv->dpll.num_shared_dpll; i++) { u32 temp = intel_de_read(dev_priv, PCH_DPLL(i)); if (!(temp & DPLL_VCO_ENABLE)) @@ -14371,8 +14371,10 @@ verify_disabled_dpll_state(struct drm_i915_private *dev_priv) { int i; - for (i = 0; i < dev_priv->num_shared_dpll; i++) - verify_single_dpll_state(dev_priv, &dev_priv->shared_dplls[i], NULL, NULL); + for (i = 0; i < dev_priv->dpll.num_shared_dpll; i++) + verify_single_dpll_state(dev_priv, + &dev_priv->dpll.shared_dplls[i], + NULL, NULL); } static void diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index 46954cc7b6c0..d2461d7946bf 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -920,8 +920,8 @@ static int i915_shared_dplls_info(struct seq_file *m, void *unused) int i; drm_modeset_lock_all(dev); - for (i = 0; i < dev_priv->num_shared_dpll; i++) { - struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; + for (i = 0; i < dev_priv->dpll.num_shared_dpll; i++) { + struct intel_shared_dpll *pll = &dev_priv->dpll.shared_dplls[i]; seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->info->name, pll->info->id); diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index 3a937b94d487..c02de061a166 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -52,8 +52,8 @@ intel_atomic_duplicate_dpll_state(struct drm_i915_private *dev_priv, enum intel_dpll_id i; /* Copy shared dpll state */ - for (i = 0; i < dev_priv->num_shared_dpll; i++) { - struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; + for (i = 0; i < dev_priv->dpll.num_shared_dpll; i++) { + struct intel_shared_dpll *pll = &dev_priv->dpll.shared_dplls[i]; shared_dpll[i] = pll->state; } @@ -88,7 +88,7 @@ struct intel_shared_dpll * intel_get_shared_dpll_by_id(struct drm_i915_private *dev_priv, enum intel_dpll_id id) { - return &dev_priv->shared_dplls[id]; + return &dev_priv->dpll.shared_dplls[id]; } /** @@ -103,11 +103,11 @@ enum intel_dpll_id intel_get_shared_dpll_id(struct drm_i915_private *dev_priv, struct intel_shared_dpll *pll) { - long pll_idx = pll - dev_priv->shared_dplls; + long pll_idx = pll - dev_priv->dpll.shared_dplls; if (drm_WARN_ON(&dev_priv->drm, pll_idx < 0 || - pll_idx >= dev_priv->num_shared_dpll)) + pll_idx >= dev_priv->dpll.num_shared_dpll)) return -1; return pll_idx; @@ -147,7 +147,7 @@ void intel_prepare_shared_dpll(const struct intel_crtc_state *crtc_state) if (drm_WARN_ON(&dev_priv->drm, pll == NULL)) return; - mutex_lock(&dev_priv->dpll_lock); + mutex_lock(&dev_priv->dpll.lock); drm_WARN_ON(&dev_priv->drm, !pll->state.crtc_mask); if (!pll->active_mask) { drm_dbg(&dev_priv->drm, "setting up %s\n", pll->info->name); @@ -156,7 +156,7 @@ void intel_prepare_shared_dpll(const struct intel_crtc_state *crtc_state) pll->info->funcs->prepare(dev_priv, pll); } - mutex_unlock(&dev_priv->dpll_lock); + mutex_unlock(&dev_priv->dpll.lock); } /** @@ -176,7 +176,7 @@ void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state) if (drm_WARN_ON(&dev_priv->drm, pll == NULL)) return; - mutex_lock(&dev_priv->dpll_lock); + mutex_lock(&dev_priv->dpll.lock); old_mask = pll->active_mask; if (drm_WARN_ON(&dev_priv->drm, !(pll->state.crtc_mask & crtc_mask)) || @@ -202,7 +202,7 @@ void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state) pll->on = true; out: - mutex_unlock(&dev_priv->dpll_lock); + mutex_unlock(&dev_priv->dpll.lock); } /** @@ -225,7 +225,7 @@ void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state) if (pll == NULL) return; - mutex_lock(&dev_priv->dpll_lock); + mutex_lock(&dev_priv->dpll.lock); if (drm_WARN_ON(&dev_priv->drm, !(pll->active_mask & crtc_mask))) goto out; @@ -246,7 +246,7 @@ void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state) pll->on = false; out: - mutex_unlock(&dev_priv->dpll_lock); + mutex_unlock(&dev_priv->dpll.lock); } static struct intel_shared_dpll * @@ -265,7 +265,7 @@ intel_find_shared_dpll(struct intel_atomic_state *state, drm_WARN_ON(&dev_priv->drm, dpll_mask & ~(BIT(I915_NUM_PLLS) - 1)); for_each_set_bit(i, &dpll_mask, I915_NUM_PLLS) { - pll = &dev_priv->shared_dplls[i]; + pll = &dev_priv->dpll.shared_dplls[i]; /* Only want to check enabled timings first */ if (shared_dpll[i].crtc_mask == 0) { @@ -365,9 +365,9 @@ void intel_shared_dpll_swap_state(struct intel_atomic_state *state) if (!state->dpll_set) return; - for (i = 0; i < dev_priv->num_shared_dpll; i++) { + for (i = 0; i < dev_priv->dpll.num_shared_dpll; i++) { struct intel_shared_dpll *pll = - &dev_priv->shared_dplls[i]; + &dev_priv->dpll.shared_dplls[i]; swap(pll->state, shared_dpll[i]); } @@ -465,7 +465,7 @@ static bool ibx_get_dpll(struct intel_atomic_state *state, if (HAS_PCH_IBX(dev_priv)) { /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */ i = (enum intel_dpll_id) crtc->pipe; - pll = &dev_priv->shared_dplls[i]; + pll = &dev_priv->dpll.shared_dplls[i]; drm_dbg_kms(&dev_priv->drm, "[CRTC:%d:%s] using pre-allocated %s\n", @@ -3817,7 +3817,7 @@ void intel_shared_dpll_init(struct drm_device *dev) dpll_mgr = &pch_pll_mgr; if (!dpll_mgr) { - dev_priv->num_shared_dpll = 0; + dev_priv->dpll.num_shared_dpll = 0; return; } @@ -3825,14 +3825,14 @@ void intel_shared_dpll_init(struct drm_device *dev) for (i = 0; dpll_info[i].name; i++) { drm_WARN_ON(dev, i != dpll_info[i].id); - dev_priv->shared_dplls[i].info = &dpll_info[i]; + dev_priv->dpll.shared_dplls[i].info = &dpll_info[i]; } - dev_priv->dpll_mgr = dpll_mgr; - dev_priv->num_shared_dpll = i; - mutex_init(&dev_priv->dpll_lock); + dev_priv->dpll.mgr = dpll_mgr; + dev_priv->dpll.num_shared_dpll = i; + mutex_init(&dev_priv->dpll.lock); - BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS); + BUG_ON(dev_priv->dpll.num_shared_dpll > I915_NUM_PLLS); } /** @@ -3859,7 +3859,7 @@ bool intel_reserve_shared_dplls(struct intel_atomic_state *state, struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(state->base.dev); - const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll_mgr; + const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll.mgr; if (drm_WARN_ON(&dev_priv->drm, !dpll_mgr)) return false; @@ -3882,7 +3882,7 @@ void intel_release_shared_dplls(struct intel_atomic_state *state, struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = to_i915(state->base.dev); - const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll_mgr; + const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll.mgr; /* * FIXME: this function is called for every platform having a @@ -3911,7 +3911,7 @@ void intel_update_active_dpll(struct intel_atomic_state *state, struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll_mgr; + const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll.mgr; if (drm_WARN_ON(&dev_priv->drm, !dpll_mgr)) return; @@ -3952,8 +3952,8 @@ void intel_dpll_readout_hw_state(struct drm_i915_private *i915) { int i; - for (i = 0; i < i915->num_shared_dpll; i++) - readout_dpll_hw_state(i915, &i915->shared_dplls[i]); + for (i = 0; i < i915->dpll.num_shared_dpll; i++) + readout_dpll_hw_state(i915, &i915->dpll.shared_dplls[i]); } static void sanitize_dpll_state(struct drm_i915_private *i915, @@ -3974,8 +3974,8 @@ void intel_dpll_sanitize_state(struct drm_i915_private *i915) { int i; - for (i = 0; i < i915->num_shared_dpll; i++) - sanitize_dpll_state(i915, &i915->shared_dplls[i]); + for (i = 0; i < i915->dpll.num_shared_dpll; i++) + sanitize_dpll_state(i915, &i915->dpll.shared_dplls[i]); } /** @@ -3988,8 +3988,8 @@ void intel_dpll_sanitize_state(struct drm_i915_private *i915) void intel_dpll_dump_hw_state(struct drm_i915_private *dev_priv, const struct intel_dpll_hw_state *hw_state) { - if (dev_priv->dpll_mgr) { - dev_priv->dpll_mgr->dump_hw_state(dev_priv, hw_state); + if (dev_priv->dpll.mgr) { + dev_priv->dpll.mgr->dump_hw_state(dev_priv, hw_state); } else { /* fallback for platforms that don't use the shared dpll * infrastructure diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 1f5dda38e7b4..43a47b7deaa0 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1017,17 +1017,19 @@ struct drm_i915_private { struct intel_crtc *plane_to_crtc_mapping[I915_MAX_PIPES]; struct intel_crtc *pipe_to_crtc_mapping[I915_MAX_PIPES]; - /* dpll and cdclk state is protected by connection_mutex */ - int num_shared_dpll; - struct intel_shared_dpll shared_dplls[I915_NUM_PLLS]; - const struct intel_dpll_mgr *dpll_mgr; - - /* - * dpll_lock serializes intel_{prepare,enable,disable}_shared_dpll. - * Must be global rather than per dpll, because on some platforms - * plls share registers. + /** + * dpll and cdclk state is protected by connection_mutex + * dpll.lock serializes intel_{prepare,enable,disable}_shared_dpll. + * Must be global rather than per dpll, because on some platforms plls + * share registers. */ - struct mutex dpll_lock; + struct { + struct mutex lock; + + int num_shared_dpll; + struct intel_shared_dpll shared_dplls[I915_NUM_PLLS]; + const struct intel_dpll_mgr *mgr; + } dpll; struct list_head global_obj_list; -- 2.11.0