drm/i915: Make display gtt offsets u32

Using 'unsigned long' for ggtt offsets doesn't make much sense. Use
'u32' instead since we've not yet seen a >4GiB ggtt.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1453316739-13296-5-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_display.c

@@ -2448,11 +2448,11 @@ static void intel_unpin_fb_obj(struct drm_framebuffer *fb,
 
 /* 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_compute_tile_offset(struct drm_i915_private *dev_priv,
-					int *x, int *y,
-					uint64_t fb_modifier,
-					unsigned int cpp,
-					unsigned int pitch)
+u32 intel_compute_tile_offset(struct drm_i915_private *dev_priv,
+			      int *x, int *y,
+			      uint64_t fb_modifier,
+			      unsigned int cpp,
+			      unsigned int pitch)
 {
 	if (fb_modifier != DRM_FORMAT_MOD_NONE) {
 		unsigned int tile_size, tile_width, tile_height;
@@ -2706,14 +2706,12 @@ static void i9xx_update_primary_plane(struct drm_plane *primary,
 	struct drm_framebuffer *fb = plane_state->base.fb;
 	struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 	int plane = intel_crtc->plane;
-	unsigned long linear_offset;
-	int x = plane_state->src.x1 >> 16;
-	int y = plane_state->src.y1 >> 16;
+	u32 linear_offset;
 	u32 dspcntr;
 	i915_reg_t reg = DSPCNTR(plane);
-	int pixel_size;
-
-	pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
+	int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
+	int x = plane_state->src.x1 >> 16;
+	int y = plane_state->src.y1 >> 16;
 
 	dspcntr = DISPPLANE_GAMMA_ENABLE;
 
@@ -2839,7 +2837,7 @@ static void ironlake_update_primary_plane(struct drm_plane *primary,
 	struct drm_framebuffer *fb = plane_state->base.fb;
 	struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 	int plane = intel_crtc->plane;
-	unsigned long linear_offset;
+	u32 linear_offset;
 	u32 dspcntr;
 	i915_reg_t reg = DSPCNTR(plane);
 	int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);

drivers/gpu/drm/i915/intel_drv.h

@@ -575,7 +575,7 @@ struct intel_crtc {
 	/* Display surface base address adjustement for pageflips. Note that on
 	 * gen4+ this only adjusts up to a tile, offsets within a tile are
 	 * handled in the hw itself (with the TILEOFF register). */
-	unsigned long dspaddr_offset;
+	u32 dspaddr_offset;
 	int adjusted_x;
 	int adjusted_y;
 
@@ -1172,11 +1172,11 @@ void assert_fdi_rx_pll(struct drm_i915_private *dev_priv,
 void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, bool state);
 #define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
 #define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
-unsigned long intel_compute_tile_offset(struct drm_i915_private *dev_priv,
-					int *x, int *y,
-					uint64_t fb_modifier,
-					unsigned int cpp,
-					unsigned int pitch);
+u32 intel_compute_tile_offset(struct drm_i915_private *dev_priv,
+			      int *x, int *y,
+			      uint64_t fb_modifier,
+			      unsigned int cpp,
+			      unsigned int pitch);
 void intel_prepare_reset(struct drm_device *dev);
 void intel_finish_reset(struct drm_device *dev);
 void hsw_enable_pc8(struct drm_i915_private *dev_priv);

drivers/gpu/drm/i915/intel_sprite.c

@@ -350,7 +350,7 @@ vlv_update_plane(struct drm_plane *dplane,
 	int pipe = intel_plane->pipe;
 	int plane = intel_plane->plane;
 	u32 sprctl;
-	unsigned long sprsurf_offset, linear_offset;
+	u32 sprsurf_offset, linear_offset;
 	int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
 	int crtc_x = plane_state->dst.x1;
@@ -493,7 +493,7 @@ ivb_update_plane(struct drm_plane *plane,
 	struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 	enum pipe pipe = intel_plane->pipe;
 	u32 sprctl, sprscale = 0;
-	unsigned long sprsurf_offset, linear_offset;
+	u32 sprsurf_offset, linear_offset;
 	int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
 	int crtc_x = plane_state->dst.x1;
@@ -635,8 +635,8 @@ ilk_update_plane(struct drm_plane *plane,
 	struct drm_framebuffer *fb = plane_state->base.fb;
 	struct drm_i915_gem_object *obj = intel_fb_obj(fb);
 	int pipe = intel_plane->pipe;
-	unsigned long dvssurf_offset, linear_offset;
 	u32 dvscntr, dvsscale;
+	u32 dvssurf_offset, linear_offset;
 	int pixel_size = drm_format_plane_cpp(fb->pixel_format, 0);
 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
 	int crtc_x = plane_state->dst.x1;