Merge branch 'topic/atomic-conversion' into drm-intel-next-queued

The i915 atomic conversion is a real beast and it's not getting easier
wrangling in a separate branch. I'm might be regretting this, but
right after vacation nothing can burst my little bubble here!
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

drivers/gpu/drm/i915/i915_debugfs.c

@@ -2783,13 +2783,16 @@ static int i915_display_info(struct seq_file *m, void *unused)
 	seq_printf(m, "---------\n");
 	for_each_intel_crtc(dev, crtc) {
 		bool active;
+		struct intel_crtc_state *pipe_config;
 		int x, y;
 
+		pipe_config = to_intel_crtc_state(crtc->base.state);
+
 		seq_printf(m, "CRTC %d: pipe: %c, active=%s (size=%dx%d)\n",
 			   crtc->base.base.id, pipe_name(crtc->pipe),
-			   yesno(crtc->active), crtc->config->pipe_src_w,
-			   crtc->config->pipe_src_h);
-		if (crtc->active) {
+			   yesno(pipe_config->base.active),
+			   pipe_config->pipe_src_w, pipe_config->pipe_src_h);
+		if (pipe_config->base.active) {
 			intel_crtc_info(m, crtc);
 
 			active = cursor_position(dev, crtc->pipe, &x, &y);
@@ -3030,7 +3033,7 @@ static void drrs_status_per_crtc(struct seq_file *m,
 
 	seq_puts(m, "\n\n");
 
-	if (intel_crtc->config->has_drrs) {
+	if (to_intel_crtc_state(intel_crtc->base.state)->has_drrs) {
 		struct intel_panel *panel;
 
 		mutex_lock(&drrs->mutex);
@@ -3082,7 +3085,7 @@ static int i915_drrs_status(struct seq_file *m, void *unused)
 	for_each_intel_crtc(dev, intel_crtc) {
 		drm_modeset_lock(&intel_crtc->base.mutex, NULL);
 
-		if (intel_crtc->active) {
+		if (intel_crtc->base.state->active) {
 			active_crtc_cnt++;
 			seq_printf(m, "\nCRTC %d:  ", active_crtc_cnt);
 
@@ -3624,22 +3627,33 @@ static void hsw_trans_edp_pipe_A_crc_wa(struct drm_device *dev)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_crtc *crtc =
 		to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_A]);
+	struct intel_crtc_state *pipe_config;
 
 	drm_modeset_lock_all(dev);
+	pipe_config = to_intel_crtc_state(crtc->base.state);
+
 	/*
 	 * If we use the eDP transcoder we need to make sure that we don't
 	 * bypass the pfit, since otherwise the pipe CRC source won't work. Only
 	 * relevant on hsw with pipe A when using the always-on power well
 	 * routing.
 	 */
-	if (crtc->config->cpu_transcoder == TRANSCODER_EDP &&
-	    !crtc->config->pch_pfit.enabled) {
-		crtc->config->pch_pfit.force_thru = true;
+	if (pipe_config->cpu_transcoder == TRANSCODER_EDP &&
+	    !pipe_config->pch_pfit.enabled) {
+		bool active = pipe_config->base.active;
+
+		if (active) {
+			intel_crtc_control(&crtc->base, false);
+			pipe_config = to_intel_crtc_state(crtc->base.state);
+		}
+
+		pipe_config->pch_pfit.force_thru = true;
 
 		intel_display_power_get(dev_priv,
 					POWER_DOMAIN_PIPE_PANEL_FITTER(PIPE_A));
 
-		intel_crtc_reset(crtc);
+		if (active)
+			intel_crtc_control(&crtc->base, true);
 	}
 	drm_modeset_unlock_all(dev);
 }
@@ -3649,6 +3663,7 @@ static void hsw_undo_trans_edp_pipe_A_crc_wa(struct drm_device *dev)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_crtc *crtc =
 		to_intel_crtc(dev_priv->pipe_to_crtc_mapping[PIPE_A]);
+	struct intel_crtc_state *pipe_config;
 
 	drm_modeset_lock_all(dev);
 	/*
@@ -3657,13 +3672,22 @@ static void hsw_undo_trans_edp_pipe_A_crc_wa(struct drm_device *dev)
 	 * relevant on hsw with pipe A when using the always-on power well
 	 * routing.
 	 */
-	if (crtc->config->pch_pfit.force_thru) {
-		crtc->config->pch_pfit.force_thru = false;
+	pipe_config = to_intel_crtc_state(crtc->base.state);
+	if (pipe_config->pch_pfit.force_thru) {
+		bool active = pipe_config->base.active;
+
+		if (active) {
+			intel_crtc_control(&crtc->base, false);
+			pipe_config = to_intel_crtc_state(crtc->base.state);
+		}
 
-		intel_crtc_reset(crtc);
+		pipe_config->pch_pfit.force_thru = false;
 
 		intel_display_power_put(dev_priv,
 					POWER_DOMAIN_PIPE_PANEL_FITTER(PIPE_A));
+
+		if (active)
+			intel_crtc_control(&crtc->base, true);
 	}
 	drm_modeset_unlock_all(dev);
 }
@@ -3779,7 +3803,7 @@ static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe,
 				 pipe_name(pipe));
 
 		drm_modeset_lock(&crtc->base.mutex, NULL);
-		if (crtc->active)
+		if (crtc->base.state->active)
 			intel_wait_for_vblank(dev, pipe);
 		drm_modeset_unlock(&crtc->base.mutex);
 

drivers/gpu/drm/i915/i915_drv.c

@@ -601,7 +601,6 @@ static int bxt_resume_prepare(struct drm_i915_private *dev_priv);
 static int i915_drm_suspend(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct drm_crtc *crtc;
 	pci_power_t opregion_target_state;
 	int error;
 
@@ -632,8 +631,7 @@ static int i915_drm_suspend(struct drm_device *dev)
 	 * for _thaw. Also, power gate the CRTC power wells.
 	 */
 	drm_modeset_lock_all(dev);
-	for_each_crtc(dev, crtc)
-		intel_crtc_control(crtc, false);
+	intel_display_suspend(dev);
 	drm_modeset_unlock_all(dev);
 
 	intel_dp_mst_suspend(dev);

drivers/gpu/drm/i915/i915_drv.h

@@ -376,7 +376,6 @@ struct intel_shared_dpll_config {
 
 struct intel_shared_dpll {
 	struct intel_shared_dpll_config config;
-	struct intel_shared_dpll_config *new_config;
 
 	int active; /* count of number of active CRTCs (i.e. DPMS on) */
 	bool on; /* is the PLL actually active? Disabled during modeset */
@@ -631,7 +630,6 @@ struct drm_i915_display_funcs {
 				  struct intel_crtc_state *crtc_state);
 	void (*crtc_enable)(struct drm_crtc *crtc);
 	void (*crtc_disable)(struct drm_crtc *crtc);
-	void (*off)(struct drm_crtc *crtc);
 	void (*audio_codec_enable)(struct drm_connector *connector,
 				   struct intel_encoder *encoder,
 				   struct drm_display_mode *mode);

drivers/gpu/drm/i915/i915_irq.c

@@ -564,8 +564,7 @@ static u32 i915_get_vblank_counter(struct drm_device *dev, int pipe)
 	u32 high1, high2, low, pixel, vbl_start, hsync_start, htotal;
 	struct intel_crtc *intel_crtc =
 		to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
-	const struct drm_display_mode *mode =
-		&intel_crtc->config->base.adjusted_mode;
+	const struct drm_display_mode *mode = &intel_crtc->base.hwmode;
 
 	htotal = mode->crtc_htotal;
 	hsync_start = mode->crtc_hsync_start;
@@ -620,7 +619,7 @@ static int __intel_get_crtc_scanline(struct intel_crtc *crtc)
 {
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	const struct drm_display_mode *mode = &crtc->config->base.adjusted_mode;
+	const struct drm_display_mode *mode = &crtc->base.hwmode;
 	enum pipe pipe = crtc->pipe;
 	int position, vtotal;
 
@@ -647,14 +646,14 @@ static int i915_get_crtc_scanoutpos(struct drm_device *dev, int pipe,
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-	const struct drm_display_mode *mode = &intel_crtc->config->base.adjusted_mode;
+	const struct drm_display_mode *mode = &intel_crtc->base.hwmode;
 	int position;
 	int vbl_start, vbl_end, hsync_start, htotal, vtotal;
 	bool in_vbl = true;
 	int ret = 0;
 	unsigned long irqflags;
 
-	if (!intel_crtc->active) {
+	if (WARN_ON(!mode->crtc_clock)) {
 		DRM_DEBUG_DRIVER("trying to get scanoutpos for disabled "
 				 "pipe %c\n", pipe_name(pipe));
 		return 0;
@@ -796,7 +795,7 @@ static int i915_get_vblank_timestamp(struct drm_device *dev, int pipe,
 		return -EINVAL;
 	}
 
-	if (!crtc->state->enable) {
+	if (!crtc->hwmode.crtc_clock) {
 		DRM_DEBUG_KMS("crtc %d is disabled\n", pipe);
 		return -EBUSY;
 	}
@@ -805,7 +804,7 @@ static int i915_get_vblank_timestamp(struct drm_device *dev, int pipe,
 	return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
 						     vblank_time, flags,
 						     crtc,
-						     &to_intel_crtc(crtc)->config->base.adjusted_mode);
+						     &crtc->hwmode);
 }
 
 static bool intel_hpd_irq_event(struct drm_device *dev,

drivers/gpu/drm/i915/intel_atomic.c

@@ -129,6 +129,8 @@ int intel_atomic_commit(struct drm_device *dev,
 			struct drm_atomic_state *state,
 			bool async)
 {
+	struct drm_crtc_state *crtc_state;
+	struct drm_crtc *crtc;
 	int ret;
 	int i;
 
@@ -142,48 +144,19 @@ int intel_atomic_commit(struct drm_device *dev,
 		return ret;
 
 	/* Point of no return */
+	drm_atomic_helper_swap_state(dev, state);
 
-	/*
-	 * FIXME:  The proper sequence here will eventually be:
-	 *
-	 * drm_atomic_helper_swap_state(dev, state)
-	 * drm_atomic_helper_commit_modeset_disables(dev, state);
-	 * drm_atomic_helper_commit_planes(dev, state);
-	 * drm_atomic_helper_commit_modeset_enables(dev, state);
-	 * drm_atomic_helper_wait_for_vblanks(dev, state);
-	 * drm_atomic_helper_cleanup_planes(dev, state);
-	 * drm_atomic_state_free(state);
-	 *
-	 * once we have full atomic modeset.  For now, just manually update
-	 * plane states to avoid clobbering good states with dummy states
-	 * while nuclear pageflipping.
-	 */
-	for (i = 0; i < dev->mode_config.num_total_plane; i++) {
-		struct drm_plane *plane = state->planes[i];
-
-		if (!plane)
-			continue;
-
-		plane->state->state = state;
-		swap(state->plane_states[i], plane->state);
-		plane->state->state = NULL;
-	}
-
-	/* swap crtc_scaler_state */
-	for (i = 0; i < dev->mode_config.num_crtc; i++) {
-		struct drm_crtc *crtc = state->crtcs[i];
-		if (!crtc) {
-			continue;
-		}
-
-		to_intel_crtc(crtc)->config->scaler_state =
-			to_intel_crtc_state(state->crtc_states[i])->scaler_state;
+	for_each_crtc_in_state(state, crtc, crtc_state, i) {
+		to_intel_crtc(crtc)->config = to_intel_crtc_state(crtc->state);
 
 		if (INTEL_INFO(dev)->gen >= 9)
 			skl_detach_scalers(to_intel_crtc(crtc));
+
+		drm_atomic_helper_commit_planes_on_crtc(crtc_state);
 	}
 
-	drm_atomic_helper_commit_planes(dev, state);
+	/* FIXME: This function should eventually call __intel_set_mode when needed */
+
 	drm_atomic_helper_wait_for_vblanks(dev, state);
 	drm_atomic_helper_cleanup_planes(dev, state);
 	drm_atomic_state_free(state);
@@ -421,3 +394,54 @@ int intel_atomic_setup_scalers(struct drm_device *dev,
 
 	return 0;
 }
+
+static void
+intel_atomic_duplicate_dpll_state(struct drm_i915_private *dev_priv,
+				  struct intel_shared_dpll_config *shared_dpll)
+{
+	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];
+
+		shared_dpll[i] = pll->config;
+	}
+}
+
+struct intel_shared_dpll_config *
+intel_atomic_get_shared_dpll_state(struct drm_atomic_state *s)
+{
+	struct intel_atomic_state *state = to_intel_atomic_state(s);
+
+	WARN_ON(!drm_modeset_is_locked(&s->dev->mode_config.connection_mutex));
+
+	if (!state->dpll_set) {
+		state->dpll_set = true;
+
+		intel_atomic_duplicate_dpll_state(to_i915(s->dev),
+						  state->shared_dpll);
+	}
+
+	return state->shared_dpll;
+}
+
+struct drm_atomic_state *
+intel_atomic_state_alloc(struct drm_device *dev)
+{
+	struct intel_atomic_state *state = kzalloc(sizeof(*state), GFP_KERNEL);
+
+	if (!state || drm_atomic_state_init(dev, &state->base) < 0) {
+		kfree(state);
+		return NULL;
+	}
+
+	return &state->base;
+}
+
+void intel_atomic_state_clear(struct drm_atomic_state *s)
+{
+	struct intel_atomic_state *state = to_intel_atomic_state(s);
+	drm_atomic_state_default_clear(&state->base);
+	state->dpll_set = false;
+}

drivers/gpu/drm/i915/intel_drv.h

@@ -241,6 +241,13 @@ typedef struct dpll {
 	int	p;
 } intel_clock_t;
 
+struct intel_atomic_state {
+	struct drm_atomic_state base;
+
+	bool dpll_set;
+	struct intel_shared_dpll_config shared_dpll[I915_NUM_PLLS];
+};
+
 struct intel_plane_state {
 	struct drm_plane_state base;
 	struct drm_rect src;
@@ -447,6 +454,9 @@ struct intel_crtc_state {
 	int pbn;
 
 	struct intel_crtc_scaler_state scaler_state;
+
+	/* w/a for waiting 2 vblanks during crtc enable */
+	enum pipe hsw_workaround_pipe;
 };
 
 struct intel_pipe_wm {
@@ -628,6 +638,7 @@ struct cxsr_latency {
 	unsigned long cursor_hpll_disable;
 };
 
+#define to_intel_atomic_state(x) container_of(x, struct intel_atomic_state, base)
 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
 #define to_intel_crtc_state(x) container_of(x, struct intel_crtc_state, base)
 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
@@ -993,8 +1004,8 @@ int intel_pch_rawclk(struct drm_device *dev);
 void intel_mark_busy(struct drm_device *dev);
 void intel_mark_idle(struct drm_device *dev);
 void intel_crtc_restore_mode(struct drm_crtc *crtc);
-void intel_crtc_control(struct drm_crtc *crtc, bool enable);
-void intel_crtc_reset(struct intel_crtc *crtc);
+void intel_display_suspend(struct drm_device *dev);
+int intel_crtc_control(struct drm_crtc *crtc, bool enable);
 void intel_crtc_update_dpms(struct drm_crtc *crtc);
 void intel_encoder_destroy(struct drm_encoder *encoder);
 int intel_connector_init(struct intel_connector *);
@@ -1083,7 +1094,6 @@ void assert_shared_dpll(struct drm_i915_private *dev_priv,
 #define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false)
 struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
 						struct intel_crtc_state *state);
-void intel_put_shared_dpll(struct intel_crtc *crtc);
 
 void vlv_force_pll_on(struct drm_device *dev, enum pipe pipe,
 		      const struct dpll *dpll);
@@ -1405,6 +1415,11 @@ int intel_connector_atomic_get_property(struct drm_connector *connector,
 struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc);
 void intel_crtc_destroy_state(struct drm_crtc *crtc,
 			       struct drm_crtc_state *state);
+struct drm_atomic_state *intel_atomic_state_alloc(struct drm_device *dev);
+void intel_atomic_state_clear(struct drm_atomic_state *);
+struct intel_shared_dpll_config *
+intel_atomic_get_shared_dpll_state(struct drm_atomic_state *s);
+
 static inline struct intel_crtc_state *
 intel_atomic_get_crtc_state(struct drm_atomic_state *state,
 			    struct intel_crtc *crtc)