Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-next

Two regressions fixes from snowboarding land

* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
  drm/i915: Revert hdmi HDP pin checks
  drm/i915: Handle untiled planes when computing their offsets

drivers/gpu/drm/i915/intel_display.c

@@ -2001,18 +2001,29 @@ void intel_unpin_fb_obj(struct drm_i915_gem_object *obj)
 
 /* Computes the linear offset to the base tile and adjusts x, y. bytes per pixel
  * is assumed to be a power-of-two. */
-unsigned long intel_gen4_compute_offset_xtiled(int *x, int *y,
-					       unsigned int bpp,
+unsigned long intel_gen4_compute_page_offset(int *x, int *y,
+					     unsigned int tiling_mode,
+					     unsigned int cpp,
 					     unsigned int pitch)
 {
-	int tile_rows, tiles;
+	if (tiling_mode != I915_TILING_NONE) {
+		unsigned int tile_rows, tiles;
 
 		tile_rows = *y / 8;
 		*y %= 8;
-	tiles = *x / (512/bpp);
-	*x %= 512/bpp;
+
+		tiles = *x / (512/cpp);
+		*x %= 512/cpp;
 
 		return tile_rows * pitch * 8 + tiles * 4096;
+	} else {
+		unsigned int offset;
+
+		offset = *y * pitch + *x * cpp;
+		*y = 0;
+		*x = (offset & 4095) / cpp;
+		return offset & -4096;
+	}
 }
 
 static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb,
@@ -2089,7 +2100,7 @@ static int i9xx_update_plane(struct drm_crtc *crtc, struct drm_framebuffer *fb,
 
 	if (INTEL_INFO(dev)->gen >= 4) {
 		intel_crtc->dspaddr_offset =
-			intel_gen4_compute_offset_xtiled(&x, &y,
+			intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode,
 						       fb->bits_per_pixel / 8,
 						       fb->pitches[0]);
 		linear_offset -= intel_crtc->dspaddr_offset;
@@ -2182,7 +2193,7 @@ static int ironlake_update_plane(struct drm_crtc *crtc,
 
 	linear_offset = y * fb->pitches[0] + x * (fb->bits_per_pixel / 8);
 	intel_crtc->dspaddr_offset =
-		intel_gen4_compute_offset_xtiled(&x, &y,
+		intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode,
 					       fb->bits_per_pixel / 8,
 					       fb->pitches[0]);
 	linear_offset -= intel_crtc->dspaddr_offset;

drivers/gpu/drm/i915/intel_drv.h

@@ -648,7 +648,8 @@ extern void intel_update_sprite_watermarks(struct drm_device *dev, int pipe,
 extern void intel_update_linetime_watermarks(struct drm_device *dev, int pipe,
 			 struct drm_display_mode *mode);
 
-extern unsigned long intel_gen4_compute_offset_xtiled(int *x, int *y,
+extern unsigned long intel_gen4_compute_page_offset(int *x, int *y,
+						    unsigned int tiling_mode,
 						    unsigned int bpp,
 						    unsigned int pitch);
 

drivers/gpu/drm/i915/intel_hdmi.c

@@ -793,28 +793,6 @@ bool intel_hdmi_mode_fixup(struct drm_encoder *encoder,
 	return true;
 }
 
-static bool g4x_hdmi_connected(struct intel_hdmi *intel_hdmi)
-{
-	struct drm_device *dev = intel_hdmi_to_dev(intel_hdmi);
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_digital_port *intel_dig_port = hdmi_to_dig_port(intel_hdmi);
-	uint32_t bit;
-
-	switch (intel_dig_port->port) {
-	case PORT_B:
-		bit = PORTB_HOTPLUG_LIVE_STATUS;
-		break;
-	case PORT_C:
-		bit = PORTC_HOTPLUG_LIVE_STATUS;
-		break;
-	default:
-		bit = 0;
-		break;
-	}
-
-	return I915_READ(PORT_HOTPLUG_STAT) & bit;
-}
-
 static enum drm_connector_status
 intel_hdmi_detect(struct drm_connector *connector, bool force)
 {
@@ -827,13 +805,6 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
 	struct edid *edid;
 	enum drm_connector_status status = connector_status_disconnected;
 
-
-	if (IS_G4X(dev) && !g4x_hdmi_connected(intel_hdmi))
-		return status;
-	else if (HAS_PCH_SPLIT(dev) &&
-		 !ibx_digital_port_connected(dev_priv, intel_dig_port))
-		 return status;
-
 	intel_hdmi->has_hdmi_sink = false;
 	intel_hdmi->has_audio = false;
 	intel_hdmi->rgb_quant_range_selectable = false;

drivers/gpu/drm/i915/intel_sprite.c

@@ -122,7 +122,7 @@ ivb_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
 
 	linear_offset = y * fb->pitches[0] + x * pixel_size;
 	sprsurf_offset =
-		intel_gen4_compute_offset_xtiled(&x, &y,
+		intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode,
 					       pixel_size, fb->pitches[0]);
 	linear_offset -= sprsurf_offset;
 
@@ -295,7 +295,7 @@ ilk_update_plane(struct drm_plane *plane, struct drm_framebuffer *fb,
 
 	linear_offset = y * fb->pitches[0] + x * pixel_size;
 	dvssurf_offset =
-		intel_gen4_compute_offset_xtiled(&x, &y,
+		intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode,
 					       pixel_size, fb->pitches[0]);
 	linear_offset -= dvssurf_offset;