drm/i915/wm: convert intel_wm.h external interfaces to struct intel_display

Going forward, struct intel_display is the main display device data
pointer. Convert the intel_wm.h interface as well as the hooks in struct
intel_wm_funcs to struct intel_display.

Reviewed-by: Suraj Kandpal <[e-mail]>
Link: https://lore.kernel.org/r/108[e-mail]
Signed-off-by: Jani Nikula <[e-mail]>

drivers/gpu/drm/i915/display/i9xx_wm.c

···
 	return enabled;
 }
 
-static void pnv_update_wm(struct drm_i915_private *dev_priv)
+static void pnv_update_wm(struct intel_display *display)
 {
+	struct drm_i915_private *dev_priv = to_i915(display->drm);
 	struct intel_crtc *crtc;
 	const struct cxsr_latency *latency;
 	u32 reg;
···
 	mutex_unlock(&dev_priv->display.wm.wm_mutex);
 }
 
-static void i965_update_wm(struct drm_i915_private *dev_priv)
+static void i965_update_wm(struct intel_display *display)
 {
+	struct drm_i915_private *dev_priv = to_i915(display->drm);
 	struct intel_crtc *crtc;
 	int srwm = 1;
 	int cursor_sr = 16;
···
 	return NULL;
 }
 
-static void i9xx_update_wm(struct drm_i915_private *dev_priv)
+static void i9xx_update_wm(struct intel_display *display)
 {
+	struct drm_i915_private *dev_priv = to_i915(display->drm);
 	const struct intel_watermark_params *wm_info;
 	u32 fwater_lo;
 	u32 fwater_hi;
···
 		intel_set_memory_cxsr(dev_priv, true);
 }
 
-static void i845_update_wm(struct drm_i915_private *dev_priv)
+static void i845_update_wm(struct intel_display *display)
 {
+	struct drm_i915_private *dev_priv = to_i915(display->drm);
 	struct intel_crtc *crtc;
 	u32 fwater_lo;
 	int planea_wm;
···
 
 static void snb_wm_latency_quirk(struct drm_i915_private *dev_priv)
 {
+	struct intel_display *display = &dev_priv->display;
 	bool changed;
 
 	/*
···
 
 	drm_dbg_kms(&dev_priv->drm,
 		    "WM latency values increased to avoid potential underruns\n");
-	intel_print_wm_latency(dev_priv, "Primary", dev_priv->display.wm.pri_latency);
-	intel_print_wm_latency(dev_priv, "Sprite", dev_priv->display.wm.spr_latency);
-	intel_print_wm_latency(dev_priv, "Cursor", dev_priv->display.wm.cur_latency);
+	intel_print_wm_latency(display, "Primary", dev_priv->display.wm.pri_latency);
+	intel_print_wm_latency(display, "Sprite", dev_priv->display.wm.spr_latency);
+	intel_print_wm_latency(display, "Cursor", dev_priv->display.wm.cur_latency);
 }
 
 static void snb_wm_lp3_irq_quirk(struct drm_i915_private *dev_priv)
 {
+	struct intel_display *display = &dev_priv->display;
 	/*
 	 * On some SNB machines (Thinkpad X220 Tablet at least)
 	 * LP3 usage can cause vblank interrupts to be lost.
···
 
 	drm_dbg_kms(&dev_priv->drm,
 		    "LP3 watermarks disabled due to potential for lost interrupts\n");
-	intel_print_wm_latency(dev_priv, "Primary", dev_priv->display.wm.pri_latency);
-	intel_print_wm_latency(dev_priv, "Sprite", dev_priv->display.wm.spr_latency);
-	intel_print_wm_latency(dev_priv, "Cursor", dev_priv->display.wm.cur_latency);
+	intel_print_wm_latency(display, "Primary", dev_priv->display.wm.pri_latency);
+	intel_print_wm_latency(display, "Sprite", dev_priv->display.wm.spr_latency);
+	intel_print_wm_latency(display, "Cursor", dev_priv->display.wm.cur_latency);
 }
 
 static void ilk_setup_wm_latency(struct drm_i915_private *dev_priv)
 {
+	struct intel_display *display = &dev_priv->display;
+
 	if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv))
 		hsw_read_wm_latency(dev_priv, dev_priv->display.wm.pri_latency);
 	else if (DISPLAY_VER(dev_priv) >= 6)
···
 	intel_fixup_spr_wm_latency(dev_priv, dev_priv->display.wm.spr_latency);
 	intel_fixup_cur_wm_latency(dev_priv, dev_priv->display.wm.cur_latency);
 
-	intel_print_wm_latency(dev_priv, "Primary", dev_priv->display.wm.pri_latency);
-	intel_print_wm_latency(dev_priv, "Sprite", dev_priv->display.wm.spr_latency);
-	intel_print_wm_latency(dev_priv, "Cursor", dev_priv->display.wm.cur_latency);
+	intel_print_wm_latency(display, "Primary", dev_priv->display.wm.pri_latency);
+	intel_print_wm_latency(display, "Sprite", dev_priv->display.wm.spr_latency);
+	intel_print_wm_latency(display, "Cursor", dev_priv->display.wm.cur_latency);
 
 	if (DISPLAY_VER(dev_priv) == 6) {
 		snb_wm_latency_quirk(dev_priv);
···
 #undef _FW_WM
 #undef _FW_WM_VLV
 
-static void g4x_wm_get_hw_state(struct drm_i915_private *dev_priv)
+static void g4x_wm_get_hw_state(struct intel_display *display)
 {
+	struct drm_i915_private *dev_priv = to_i915(display->drm);
 	struct g4x_wm_values *wm = &dev_priv->display.wm.g4x;
 	struct intel_crtc *crtc;
 
···
 		    str_yes_no(wm->fbc_en));
 }
 
-static void g4x_wm_sanitize(struct drm_i915_private *dev_priv)
+static void g4x_wm_sanitize(struct intel_display *display)
 {
-	struct intel_display *display = &dev_priv->display;
+	struct drm_i915_private *dev_priv = to_i915(display->drm);
 	struct intel_plane *plane;
 	struct intel_crtc *crtc;
 
···
 	mutex_unlock(&dev_priv->display.wm.wm_mutex);
 }
 
-static void vlv_wm_get_hw_state(struct drm_i915_private *dev_priv)
+static void vlv_wm_get_hw_state(struct intel_display *display)
 {
+	struct drm_i915_private *dev_priv = to_i915(display->drm);
 	struct vlv_wm_values *wm = &dev_priv->display.wm.vlv;
 	struct intel_crtc *crtc;
 	u32 val;
···
 		    wm->sr.plane, wm->sr.cursor, wm->level, wm->cxsr);
 }
 
-static void vlv_wm_sanitize(struct drm_i915_private *dev_priv)
+static void vlv_wm_sanitize(struct intel_display *display)
 {
-	struct intel_display *display = &dev_priv->display;
+	struct drm_i915_private *dev_priv = to_i915(display->drm);
 	struct intel_plane *plane;
 	struct intel_crtc *crtc;
 
···
 	 */
 }
 
-static void ilk_wm_get_hw_state(struct drm_i915_private *dev_priv)
+static void ilk_wm_get_hw_state(struct intel_display *display)
 {
+	struct drm_i915_private *dev_priv = to_i915(display->drm);
 	struct ilk_wm_values *hw = &dev_priv->display.wm.hw;
 	struct intel_crtc *crtc;
 

drivers/gpu/drm/i915/display/intel_display.c

···
 	intel_frontbuffer_flip(dev_priv, new_crtc_state->fb_bits);
 
 	if (new_crtc_state->update_wm_post && new_crtc_state->hw.active)
-		intel_update_watermarks(dev_priv);
+		intel_update_watermarks(display);
 
 	intel_fbc_post_update(state, crtc);
 
···
 		 */
 		if (!intel_initial_watermarks(state, crtc))
 			if (new_crtc_state->update_wm_pre)
-				intel_update_watermarks(dev_priv);
+				intel_update_watermarks(display);
 	}
 
 	/*
···
 	struct intel_display *display = to_intel_display(crtc);
 	const struct intel_crtc_state *new_crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
-	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum pipe pipe = crtc->pipe;
 
 	if (drm_WARN_ON(display->drm, crtc->active))
···
 	intel_color_modeset(new_crtc_state);
 
 	if (!intel_initial_watermarks(state, crtc))
-		intel_update_watermarks(dev_priv);
+		intel_update_watermarks(display);
 	intel_enable_transcoder(new_crtc_state);
 
 	intel_crtc_vblank_on(new_crtc_state);
···
 			      struct intel_crtc *crtc)
 {
 	struct intel_display *display = to_intel_display(state);
-	struct drm_i915_private *dev_priv = to_i915(display->drm);
 	struct intel_crtc_state *old_crtc_state =
 		intel_atomic_get_old_crtc_state(state, crtc);
 	enum pipe pipe = crtc->pipe;
···
 		intel_set_cpu_fifo_underrun_reporting(display, pipe, false);
 
 	if (!display->funcs.wm->initial_watermarks)
-		intel_update_watermarks(dev_priv);
+		intel_update_watermarks(display);
 
 	/* clock the pipe down to 640x480@60 to potentially save power */
 	if (display->platform.i830)

drivers/gpu/drm/i915/display/intel_display_core.h

···
 /* functions used for watermark calcs for display. */
 struct intel_wm_funcs {
 	/* update_wm is for legacy wm management */
-	void (*update_wm)(struct drm_i915_private *dev_priv);
+	void (*update_wm)(struct intel_display *display);
 	int (*compute_watermarks)(struct intel_atomic_state *state,
 				  struct intel_crtc *crtc);
 	void (*initial_watermarks)(struct intel_atomic_state *state,
···
 	void (*optimize_watermarks)(struct intel_atomic_state *state,
 				    struct intel_crtc *crtc);
 	int (*compute_global_watermarks)(struct intel_atomic_state *state);
-	void (*get_hw_state)(struct drm_i915_private *i915);
-	void (*sanitize)(struct drm_i915_private *i915);
+	void (*get_hw_state)(struct intel_display *display);
+	void (*sanitize)(struct intel_display *display);
 };
 
 struct intel_audio_state {

drivers/gpu/drm/i915/display/intel_display_debugfs.c

···
 
 void intel_display_debugfs_register(struct intel_display *display)
 {
-	struct drm_i915_private *i915 = to_i915(display->drm);
 	struct drm_minor *minor = display->drm->primary;
 
 	debugfs_create_file("i915_fifo_underrun_reset", 0644, minor->debugfs_root,
···
 	intel_hpd_debugfs_register(display);
 	intel_opregion_debugfs_register(display);
 	intel_psr_debugfs_register(display);
-	intel_wm_debugfs_register(i915);
+	intel_wm_debugfs_register(display);
 	intel_display_debugfs_params(display);
 }
 

drivers/gpu/drm/i915/display/intel_display_driver.c

···
 	if (!HAS_DISPLAY(display))
 		return 0;
 
-	intel_wm_init(i915);
+	intel_wm_init(display);
 
 	intel_panel_sanitize_ssc(display);
 

drivers/gpu/drm/i915/display/intel_modeset_setup.c

···
 static void intel_crtc_disable_noatomic_complete(struct intel_crtc *crtc)
 {
 	struct intel_display *display = to_intel_display(crtc);
-	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
 	struct intel_pmdemand_state *pmdemand_state =
-		to_intel_pmdemand_state(i915->display.pmdemand.obj.state);
+		to_intel_pmdemand_state(display->pmdemand.obj.state);
 	struct intel_crtc_state *crtc_state =
 		to_intel_crtc_state(crtc->base.state);
 	enum pipe pipe = crtc->pipe;
···
 	reset_crtc_encoder_state(crtc);
 
 	intel_fbc_disable(crtc);
-	intel_update_watermarks(i915);
+	intel_update_watermarks(display);
 
 	intel_display_power_put_all_in_set(display, &crtc->enabled_power_domains);
 
···
 
 	/* TODO move here (or even earlier?) on all platforms */
 	if (DISPLAY_VER(display) >= 9)
-		intel_wm_get_hw_state(i915);
+		intel_wm_get_hw_state(display);
 
 	intel_bw_update_hw_state(display);
 	intel_cdclk_update_hw_state(display);
···
 
 	/* TODO move earlier on all platforms */
 	if (DISPLAY_VER(display) < 9)
-		intel_wm_get_hw_state(i915);
-	intel_wm_sanitize(i915);
+		intel_wm_get_hw_state(display);
+	intel_wm_sanitize(display);
 
 	for_each_intel_crtc(&i915->drm, crtc) {
 		struct intel_crtc_state *crtc_state =

drivers/gpu/drm/i915/display/intel_wm.c

···
 
 /**
  * intel_update_watermarks - update FIFO watermark values based on current modes
- * @i915: i915 device
+ * @display: display device
  *
  * Calculate watermark values for the various WM regs based on current mode
  * and plane configuration.
···
  * We don't use the sprite, so we can ignore that.  And on Crestline we have
  * to set the non-SR watermarks to 8.
  */
-void intel_update_watermarks(struct drm_i915_private *i915)
+void intel_update_watermarks(struct intel_display *display)
 {
-	if (i915->display.funcs.wm->update_wm)
-		i915->display.funcs.wm->update_wm(i915);
+	if (display->funcs.wm->update_wm)
+		display->funcs.wm->update_wm(display);
 }
 
 int intel_wm_compute(struct intel_atomic_state *state,
···
 	return 0;
 }
 
-void intel_wm_get_hw_state(struct drm_i915_private *i915)
+void intel_wm_get_hw_state(struct intel_display *display)
 {
-	if (i915->display.funcs.wm->get_hw_state)
-		return i915->display.funcs.wm->get_hw_state(i915);
+	if (display->funcs.wm->get_hw_state)
+		return display->funcs.wm->get_hw_state(display);
 }
 
-void intel_wm_sanitize(struct drm_i915_private *i915)
+void intel_wm_sanitize(struct intel_display *display)
 {
-	if (i915->display.funcs.wm->sanitize)
-		return i915->display.funcs.wm->sanitize(i915);
+	if (display->funcs.wm->sanitize)
+		return display->funcs.wm->sanitize(display);
 }
 
 bool intel_wm_plane_visible(const struct intel_crtc_state *crtc_state,
···
 		return plane_state->uapi.visible;
 }
 
-void intel_print_wm_latency(struct drm_i915_private *dev_priv,
+void intel_print_wm_latency(struct intel_display *display,
 			    const char *name, const u16 wm[])
 {
 	int level;
 
-	for (level = 0; level < dev_priv->display.wm.num_levels; level++) {
+	for (level = 0; level < display->wm.num_levels; level++) {
 		unsigned int latency = wm[level];
 
 		if (latency == 0) {
-			drm_dbg_kms(&dev_priv->drm,
+			drm_dbg_kms(display->drm,
 				    "%s WM%d latency not provided\n",
 				    name, level);
 			continue;
···
 		 * - latencies are in us on gen9.
 		 * - before then, WM1+ latency values are in 0.5us units
 		 */
-		if (DISPLAY_VER(dev_priv) >= 9)
+		if (DISPLAY_VER(display) >= 9)
 			latency *= 10;
 		else if (level > 0)
 			latency *= 5;
 
-		drm_dbg_kms(&dev_priv->drm,
+		drm_dbg_kms(display->drm,
 			    "%s WM%d latency %u (%u.%u usec)\n", name, level,
 			    wm[level], latency / 10, latency % 10);
 	}
 }
 
-void intel_wm_init(struct drm_i915_private *i915)
+void intel_wm_init(struct intel_display *display)
 {
-	if (DISPLAY_VER(i915) >= 9)
+	struct drm_i915_private *i915 = to_i915(display->drm);
+
+	if (DISPLAY_VER(display) >= 9)
 		skl_wm_init(i915);
 	else
 		i9xx_wm_init(i915);
···
 	.write = cur_wm_latency_write
 };
 
-void intel_wm_debugfs_register(struct drm_i915_private *i915)
+void intel_wm_debugfs_register(struct intel_display *display)
 {
-	struct drm_minor *minor = i915->drm.primary;
+	struct drm_i915_private *i915 = to_i915(display->drm);
+	struct drm_minor *minor = display->drm->primary;
 
 	debugfs_create_file("i915_pri_wm_latency", 0644, minor->debugfs_root,
 			    i915, &i915_pri_wm_latency_fops);

drivers/gpu/drm/i915/display/intel_wm.h

···
 
 #include <linux/types.h>
 
-struct drm_i915_private;
 struct intel_atomic_state;
 struct intel_crtc;
 struct intel_crtc_state;
+struct intel_display;
 struct intel_plane_state;
 
-void intel_update_watermarks(struct drm_i915_private *i915);
+void intel_update_watermarks(struct intel_display *display);
 int intel_wm_compute(struct intel_atomic_state *state,
 		     struct intel_crtc *crtc);
 bool intel_initial_watermarks(struct intel_atomic_state *state,
···
 void intel_optimize_watermarks(struct intel_atomic_state *state,
 			       struct intel_crtc *crtc);
 int intel_compute_global_watermarks(struct intel_atomic_state *state);
-void intel_wm_get_hw_state(struct drm_i915_private *i915);
-void intel_wm_sanitize(struct drm_i915_private *i915);
+void intel_wm_get_hw_state(struct intel_display *display);
+void intel_wm_sanitize(struct intel_display *display);
 bool intel_wm_plane_visible(const struct intel_crtc_state *crtc_state,
 			    const struct intel_plane_state *plane_state);
-void intel_print_wm_latency(struct drm_i915_private *i915,
+void intel_print_wm_latency(struct intel_display *display,
 			    const char *name, const u16 wm[]);
-void intel_wm_init(struct drm_i915_private *i915);
-void intel_wm_debugfs_register(struct drm_i915_private *i915);
+void intel_wm_init(struct intel_display *display);
+void intel_wm_debugfs_register(struct intel_display *display);
 
 #endif /* __INTEL_WM_H__ */

drivers/gpu/drm/i915/display/skl_watermark.c

···
 	}
 }
 
-static void skl_wm_get_hw_state(struct drm_i915_private *i915)
+static void skl_wm_get_hw_state(struct intel_display *display)
 {
-	struct intel_display *display = &i915->display;
+	struct drm_i915_private *i915 = to_i915(display->drm);
 	struct intel_dbuf_state *dbuf_state =
 		to_intel_dbuf_state(i915->display.dbuf.obj.state);
 	struct intel_crtc *crtc;
···
 	else
 		skl_read_wm_latency(i915, display->wm.skl_latency);
 
-	intel_print_wm_latency(i915, "Gen9 Plane", display->wm.skl_latency);
+	intel_print_wm_latency(display, "Gen9 Plane", display->wm.skl_latency);
 }
 
 static struct intel_global_state *intel_dbuf_duplicate_state(struct intel_global_obj *obj)
···
 	}
 }
 
-static void skl_wm_sanitize(struct drm_i915_private *i915)
+static void skl_wm_sanitize(struct intel_display *display)
 {
+	struct drm_i915_private *i915 = to_i915(display->drm);
+
 	skl_mbus_sanitize(i915);
 	skl_dbuf_sanitize(i915);
 }