1 files changed, 18 insertions, 317 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c
index 71454ddef20f..4e6c5592c7ae 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.c
+++ b/drivers/gpu/drm/i915/display/intel_panel.c
@@ -33,22 +33,18 @@
 
 #include <drm/drm_edid.h>
 
-#include "i915_reg.h"
 #include "intel_backlight.h"
 #include "intel_connector.h"
-#include "intel_de.h"
+#include "intel_display_core.h"
 #include "intel_display_driver.h"
 #include "intel_display_types.h"
 #include "intel_drrs.h"
-#include "intel_lvds_regs.h"
 #include "intel_panel.h"
 #include "intel_quirks.h"
 #include "intel_vrr.h"
 
-bool intel_panel_use_ssc(struct drm_i915_private *i915)
+bool intel_panel_use_ssc(struct intel_display *display)
 {
-	struct intel_display *display = &i915->display;
-
 	if (display->params.panel_use_ssc >= 0)
 		return display->params.panel_use_ssc != 0;
 	return display->vbt.lvds_use_ssc &&
@@ -252,7 +248,7 @@ int intel_panel_compute_config(struct intel_connector *connector,
 
 static void intel_panel_add_edid_alt_fixed_modes(struct intel_connector *connector)
 {
-	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
+	struct intel_display *display = to_intel_display(connector);
 	const struct drm_display_mode *preferred_mode =
 		intel_panel_preferred_fixed_mode(connector);
 	struct drm_display_mode *mode, *next;
@@ -261,7 +257,7 @@ static void intel_panel_add_edid_alt_fixed_modes(struct intel_connector *connect
 		if (!is_alt_fixed_mode(mode, preferred_mode))
 			continue;
 
-		drm_dbg_kms(&dev_priv->drm,
+		drm_dbg_kms(display->drm,
 			    "[CONNECTOR:%d:%s] using alternate EDID fixed mode: " DRM_MODE_FMT "\n",
 			    connector->base.base.id, connector->base.name,
 			    DRM_MODE_ARG(mode));
@@ -272,7 +268,7 @@ static void intel_panel_add_edid_alt_fixed_modes(struct intel_connector *connect
 
 static void intel_panel_add_edid_preferred_mode(struct intel_connector *connector)
 {
-	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
+	struct intel_display *display = to_intel_display(connector);
 	struct drm_display_mode *scan, *fixed_mode = NULL;
 
 	if (list_empty(&connector->base.probed_modes))
@@ -290,7 +286,7 @@ static void intel_panel_add_edid_preferred_mode(struct intel_connector *connecto
 		fixed_mode = list_first_entry(&connector->base.probed_modes,
 					      typeof(*fixed_mode), head);
 
-	drm_dbg_kms(&dev_priv->drm,
+	drm_dbg_kms(display->drm,
 		    "[CONNECTOR:%d:%s] using %s EDID fixed mode: " DRM_MODE_FMT "\n",
 		    connector->base.base.id, connector->base.name,
 		    fixed_mode->type & DRM_MODE_TYPE_PREFERRED ? "preferred" : "first",
@@ -303,16 +299,16 @@ static void intel_panel_add_edid_preferred_mode(struct intel_connector *connecto
 
 static void intel_panel_destroy_probed_modes(struct intel_connector *connector)
 {
-	struct drm_i915_private *i915 = to_i915(connector->base.dev);
+	struct intel_display *display = to_intel_display(connector);
 	struct drm_display_mode *mode, *next;
 
 	list_for_each_entry_safe(mode, next, &connector->base.probed_modes, head) {
-		drm_dbg_kms(&i915->drm,
+		drm_dbg_kms(display->drm,
 			    "[CONNECTOR:%d:%s] not using EDID mode: " DRM_MODE_FMT "\n",
 			    connector->base.base.id, connector->base.name,
 			    DRM_MODE_ARG(mode));
 		list_del(&mode->head);
-		drm_mode_destroy(&i915->drm, mode);
+		drm_mode_destroy(display->drm, mode);
 	}
 }
 
@@ -329,7 +325,7 @@ static void intel_panel_add_fixed_mode(struct intel_connector *connector,
 				       struct drm_display_mode *fixed_mode,
 				       const char *type)
 {
-	struct drm_i915_private *i915 = to_i915(connector->base.dev);
+	struct intel_display *display = to_intel_display(connector);
 	struct drm_display_info *info = &connector->base.display_info;
 
 	if (!fixed_mode)
@@ -340,7 +336,7 @@ static void intel_panel_add_fixed_mode(struct intel_connector *connector,
 	info->width_mm = fixed_mode->width_mm;
 	info->height_mm = fixed_mode->height_mm;
 
-	drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] using %s fixed mode: " DRM_MODE_FMT "\n",
+	drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s] using %s fixed mode: " DRM_MODE_FMT "\n",
 		    connector->base.base.id, connector->base.name, type,
 		    DRM_MODE_ARG(fixed_mode));
 
@@ -349,7 +345,7 @@ static void intel_panel_add_fixed_mode(struct intel_connector *connector,
 
 void intel_panel_add_vbt_lfp_fixed_mode(struct intel_connector *connector)
 {
-	struct drm_i915_private *i915 = to_i915(connector->base.dev);
+	struct intel_display *display = to_intel_display(connector);
 	const struct drm_display_mode *mode;
 
 	mode = connector->panel.vbt.lfp_vbt_mode;
@@ -357,13 +353,13 @@ void intel_panel_add_vbt_lfp_fixed_mode(struct intel_connector *connector)
 		return;
 
 	intel_panel_add_fixed_mode(connector,
-				   drm_mode_duplicate(&i915->drm, mode),
+				   drm_mode_duplicate(display->drm, mode),
 				   "VBT LFP");
 }
 
 void intel_panel_add_vbt_sdvo_fixed_mode(struct intel_connector *connector)
 {
-	struct drm_i915_private *i915 = to_i915(connector->base.dev);
+	struct intel_display *display = to_intel_display(connector);
 	const struct drm_display_mode *mode;
 
 	mode = connector->panel.vbt.sdvo_lvds_vbt_mode;
@@ -371,7 +367,7 @@ void intel_panel_add_vbt_sdvo_fixed_mode(struct intel_connector *connector)
 		return;
 
 	intel_panel_add_fixed_mode(connector,
-				   drm_mode_duplicate(&i915->drm, mode),
+				   drm_mode_duplicate(display->drm, mode),
 				   "VBT SDVO");
 }
 
@@ -383,310 +379,15 @@ void intel_panel_add_encoder_fixed_mode(struct intel_connector *connector,
 				   "current (BIOS)");
 }
 
-/* adjusted_mode has been preset to be the panel's fixed mode */
-static int pch_panel_fitting(struct intel_crtc_state *crtc_state,
-			     const struct drm_connector_state *conn_state)
-{
-	const struct drm_display_mode *adjusted_mode =
-		&crtc_state->hw.adjusted_mode;
-	int pipe_src_w = drm_rect_width(&crtc_state->pipe_src);
-	int pipe_src_h = drm_rect_height(&crtc_state->pipe_src);
-	int x, y, width, height;
-
-	/* Native modes don't need fitting */
-	if (adjusted_mode->crtc_hdisplay == pipe_src_w &&
-	    adjusted_mode->crtc_vdisplay == pipe_src_h &&
-	    crtc_state->output_format != INTEL_OUTPUT_FORMAT_YCBCR420)
-		return 0;
-
-	switch (conn_state->scaling_mode) {
-	case DRM_MODE_SCALE_CENTER:
-		width = pipe_src_w;
-		height = pipe_src_h;
-		x = (adjusted_mode->crtc_hdisplay - width + 1)/2;
-		y = (adjusted_mode->crtc_vdisplay - height + 1)/2;
-		break;
-
-	case DRM_MODE_SCALE_ASPECT:
-		/* Scale but preserve the aspect ratio */
-		{
-			u32 scaled_width = adjusted_mode->crtc_hdisplay * pipe_src_h;
-			u32 scaled_height = pipe_src_w * adjusted_mode->crtc_vdisplay;
-			if (scaled_width > scaled_height) { /* pillar */
-				width = scaled_height / pipe_src_h;
-				if (width & 1)
-					width++;
-				x = (adjusted_mode->crtc_hdisplay - width + 1) / 2;
-				y = 0;
-				height = adjusted_mode->crtc_vdisplay;
-			} else if (scaled_width < scaled_height) { /* letter */
-				height = scaled_width / pipe_src_w;
-				if (height & 1)
-				    height++;
-				y = (adjusted_mode->crtc_vdisplay - height + 1) / 2;
-				x = 0;
-				width = adjusted_mode->crtc_hdisplay;
-			} else {
-				x = y = 0;
-				width = adjusted_mode->crtc_hdisplay;
-				height = adjusted_mode->crtc_vdisplay;
-			}
-		}
-		break;
-
-	case DRM_MODE_SCALE_NONE:
-		WARN_ON(adjusted_mode->crtc_hdisplay != pipe_src_w);
-		WARN_ON(adjusted_mode->crtc_vdisplay != pipe_src_h);
-		fallthrough;
-	case DRM_MODE_SCALE_FULLSCREEN:
-		x = y = 0;
-		width = adjusted_mode->crtc_hdisplay;
-		height = adjusted_mode->crtc_vdisplay;
-		break;
-
-	default:
-		MISSING_CASE(conn_state->scaling_mode);
-		return -EINVAL;
-	}
-
-	drm_rect_init(&crtc_state->pch_pfit.dst,
-		      x, y, width, height);
-	crtc_state->pch_pfit.enabled = true;
-
-	return 0;
-}
-
-static void
-centre_horizontally(struct drm_display_mode *adjusted_mode,
-		    int width)
-{
-	u32 border, sync_pos, blank_width, sync_width;
-
-	/* keep the hsync and hblank widths constant */
-	sync_width = adjusted_mode->crtc_hsync_end - adjusted_mode->crtc_hsync_start;
-	blank_width = adjusted_mode->crtc_hblank_end - adjusted_mode->crtc_hblank_start;
-	sync_pos = (blank_width - sync_width + 1) / 2;
-
-	border = (adjusted_mode->crtc_hdisplay - width + 1) / 2;
-	border += border & 1; /* make the border even */
-
-	adjusted_mode->crtc_hdisplay = width;
-	adjusted_mode->crtc_hblank_start = width + border;
-	adjusted_mode->crtc_hblank_end = adjusted_mode->crtc_hblank_start + blank_width;
-
-	adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hblank_start + sync_pos;
-	adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + sync_width;
-}
-
-static void
-centre_vertically(struct drm_display_mode *adjusted_mode,
-		  int height)
-{
-	u32 border, sync_pos, blank_width, sync_width;
-
-	/* keep the vsync and vblank widths constant */
-	sync_width = adjusted_mode->crtc_vsync_end - adjusted_mode->crtc_vsync_start;
-	blank_width = adjusted_mode->crtc_vblank_end - adjusted_mode->crtc_vblank_start;
-	sync_pos = (blank_width - sync_width + 1) / 2;
-
-	border = (adjusted_mode->crtc_vdisplay - height + 1) / 2;
-
-	adjusted_mode->crtc_vdisplay = height;
-	adjusted_mode->crtc_vblank_start = height + border;
-	adjusted_mode->crtc_vblank_end = adjusted_mode->crtc_vblank_start + blank_width;
-
-	adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vblank_start + sync_pos;
-	adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + sync_width;
-}
-
-static u32 panel_fitter_scaling(u32 source, u32 target)
-{
-	/*
-	 * Floating point operation is not supported. So the FACTOR
-	 * is defined, which can avoid the floating point computation
-	 * when calculating the panel ratio.
-	 */
-#define ACCURACY 12
-#define FACTOR (1 << ACCURACY)
-	u32 ratio = source * FACTOR / target;
-	return (FACTOR * ratio + FACTOR/2) / FACTOR;
-}
-
-static void i965_scale_aspect(struct intel_crtc_state *crtc_state,
-			      u32 *pfit_control)
-{
-	const struct drm_display_mode *adjusted_mode =
-		&crtc_state->hw.adjusted_mode;
-	int pipe_src_w = drm_rect_width(&crtc_state->pipe_src);
-	int pipe_src_h = drm_rect_height(&crtc_state->pipe_src);
-	u32 scaled_width = adjusted_mode->crtc_hdisplay * pipe_src_h;
-	u32 scaled_height = pipe_src_w * adjusted_mode->crtc_vdisplay;
-
-	/* 965+ is easy, it does everything in hw */
-	if (scaled_width > scaled_height)
-		*pfit_control |= PFIT_ENABLE |
-			PFIT_SCALING_PILLAR;
-	else if (scaled_width < scaled_height)
-		*pfit_control |= PFIT_ENABLE |
-			PFIT_SCALING_LETTER;
-	else if (adjusted_mode->crtc_hdisplay != pipe_src_w)
-		*pfit_control |= PFIT_ENABLE | PFIT_SCALING_AUTO;
-}
-
-static void i9xx_scale_aspect(struct intel_crtc_state *crtc_state,
-			      u32 *pfit_control, u32 *pfit_pgm_ratios,
-			      u32 *border)
-{
-	struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
-	int pipe_src_w = drm_rect_width(&crtc_state->pipe_src);
-	int pipe_src_h = drm_rect_height(&crtc_state->pipe_src);
-	u32 scaled_width = adjusted_mode->crtc_hdisplay * pipe_src_h;
-	u32 scaled_height = pipe_src_w * adjusted_mode->crtc_vdisplay;
-	u32 bits;
-
-	/*
-	 * For earlier chips we have to calculate the scaling
-	 * ratio by hand and program it into the
-	 * PFIT_PGM_RATIO register
-	 */
-	if (scaled_width > scaled_height) { /* pillar */
-		centre_horizontally(adjusted_mode,
-				    scaled_height / pipe_src_h);
-
-		*border = LVDS_BORDER_ENABLE;
-		if (pipe_src_h != adjusted_mode->crtc_vdisplay) {
-			bits = panel_fitter_scaling(pipe_src_h,
-						    adjusted_mode->crtc_vdisplay);
-
-			*pfit_pgm_ratios |= (PFIT_HORIZ_SCALE(bits) |
-					     PFIT_VERT_SCALE(bits));
-			*pfit_control |= (PFIT_ENABLE |
-					  PFIT_VERT_INTERP_BILINEAR |
-					  PFIT_HORIZ_INTERP_BILINEAR);
-		}
-	} else if (scaled_width < scaled_height) { /* letter */
-		centre_vertically(adjusted_mode,
-				  scaled_width / pipe_src_w);
-
-		*border = LVDS_BORDER_ENABLE;
-		if (pipe_src_w != adjusted_mode->crtc_hdisplay) {
-			bits = panel_fitter_scaling(pipe_src_w,
-						    adjusted_mode->crtc_hdisplay);
-
-			*pfit_pgm_ratios |= (PFIT_HORIZ_SCALE(bits) |
-					     PFIT_VERT_SCALE(bits));
-			*pfit_control |= (PFIT_ENABLE |
-					  PFIT_VERT_INTERP_BILINEAR |
-					  PFIT_HORIZ_INTERP_BILINEAR);
-		}
-	} else {
-		/* Aspects match, Let hw scale both directions */
-		*pfit_control |= (PFIT_ENABLE |
-				  PFIT_VERT_AUTO_SCALE |
-				  PFIT_HORIZ_AUTO_SCALE |
-				  PFIT_VERT_INTERP_BILINEAR |
-				  PFIT_HORIZ_INTERP_BILINEAR);
-	}
-}
-
-static int gmch_panel_fitting(struct intel_crtc_state *crtc_state,
-			      const struct drm_connector_state *conn_state)
-{
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0;
-	struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
-	int pipe_src_w = drm_rect_width(&crtc_state->pipe_src);
-	int pipe_src_h = drm_rect_height(&crtc_state->pipe_src);
-
-	/* Native modes don't need fitting */
-	if (adjusted_mode->crtc_hdisplay == pipe_src_w &&
-	    adjusted_mode->crtc_vdisplay == pipe_src_h)
-		goto out;
-
-	switch (conn_state->scaling_mode) {
-	case DRM_MODE_SCALE_CENTER:
-		/*
-		 * For centered modes, we have to calculate border widths &
-		 * heights and modify the values programmed into the CRTC.
-		 */
-		centre_horizontally(adjusted_mode, pipe_src_w);
-		centre_vertically(adjusted_mode, pipe_src_h);
-		border = LVDS_BORDER_ENABLE;
-		break;
-	case DRM_MODE_SCALE_ASPECT:
-		/* Scale but preserve the aspect ratio */
-		if (DISPLAY_VER(dev_priv) >= 4)
-			i965_scale_aspect(crtc_state, &pfit_control);
-		else
-			i9xx_scale_aspect(crtc_state, &pfit_control,
-					  &pfit_pgm_ratios, &border);
-		break;
-	case DRM_MODE_SCALE_FULLSCREEN:
-		/*
-		 * Full scaling, even if it changes the aspect ratio.
-		 * Fortunately this is all done for us in hw.
-		 */
-		if (pipe_src_h != adjusted_mode->crtc_vdisplay ||
-		    pipe_src_w != adjusted_mode->crtc_hdisplay) {
-			pfit_control |= PFIT_ENABLE;
-			if (DISPLAY_VER(dev_priv) >= 4)
-				pfit_control |= PFIT_SCALING_AUTO;
-			else
-				pfit_control |= (PFIT_VERT_AUTO_SCALE |
-						 PFIT_VERT_INTERP_BILINEAR |
-						 PFIT_HORIZ_AUTO_SCALE |
-						 PFIT_HORIZ_INTERP_BILINEAR);
-		}
-		break;
-	default:
-		MISSING_CASE(conn_state->scaling_mode);
-		return -EINVAL;
-	}
-
-	/* 965+ wants fuzzy fitting */
-	/* FIXME: handle multiple panels by failing gracefully */
-	if (DISPLAY_VER(dev_priv) >= 4)
-		pfit_control |= PFIT_PIPE(crtc->pipe) | PFIT_FILTER_FUZZY;
-
-out:
-	if ((pfit_control & PFIT_ENABLE) == 0) {
-		pfit_control = 0;
-		pfit_pgm_ratios = 0;
-	}
-
-	/* Make sure pre-965 set dither correctly for 18bpp panels. */
-	if (DISPLAY_VER(dev_priv) < 4 && crtc_state->pipe_bpp == 18)
-		pfit_control |= PFIT_PANEL_8TO6_DITHER_ENABLE;
-
-	crtc_state->gmch_pfit.control = pfit_control;
-	crtc_state->gmch_pfit.pgm_ratios = pfit_pgm_ratios;
-	crtc_state->gmch_pfit.lvds_border_bits = border;
-
-	return 0;
-}
-
-int intel_panel_fitting(struct intel_crtc_state *crtc_state,
-			const struct drm_connector_state *conn_state)
-{
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
-
-	if (HAS_GMCH(i915))
-		return gmch_panel_fitting(crtc_state, conn_state);
-	else
-		return pch_panel_fitting(crtc_state, conn_state);
-}
-
 enum drm_connector_status
 intel_panel_detect(struct drm_connector *connector, bool force)
 {
-	struct drm_i915_private *i915 = to_i915(connector->dev);
+	struct intel_display *display = to_intel_display(connector->dev);
 
-	if (!intel_display_device_enabled(i915))
+	if (!intel_display_device_enabled(display))
 		return connector_status_disconnected;
 
-	if (!intel_display_driver_check_access(i915))
+	if (!intel_display_driver_check_access(display))
 		return connector->status;
 
 	return connector_status_connected;