drm/i915: Use the mappable sizes determined by GTT for consistency.

There should be no difference, but we can eliminate redundant code.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 9 insertions, 11 deletions

diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 701e830d0012..ee145a257287 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -62,6 +62,7 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
                           struct drm_fb_helper_surface_size *sizes)
 {
         struct drm_device *dev = ifbdev->helper.dev;
+        struct drm_i915_private *dev_priv = dev->dev_private;
         struct fb_info *info;
         struct drm_framebuffer *fb;
         struct drm_mode_fb_cmd mode_cmd;
@@ -77,7 +78,7 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
         mode_cmd.height = sizes->surface_height;
 
         mode_cmd.bpp = sizes->surface_bpp;
-        mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 1) / 8), 64);
+        mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 7) / 8), 64);
         mode_cmd.depth = sizes->surface_depth;
 
         size = mode_cmd.pitch * mode_cmd.height;
@@ -120,6 +121,11 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
         info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT;
         info->fbops = &intelfb_ops;
 
+        ret = fb_alloc_cmap(&info->cmap, 256, 0);
+        if (ret) {
+                ret = -ENOMEM;
+                goto out_unpin;
+        }
         /* setup aperture base/size for vesafb takeover */
         info->apertures = alloc_apertures(1);
         if (!info->apertures) {
@@ -127,10 +133,8 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
                 goto out_unpin;
         }
         info->apertures->ranges[0].base = dev->mode_config.fb_base;
-        if (!IS_GEN2(dev))
-                info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 2);
-        else
-                info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 0);
+        info->apertures->ranges[0].size =
+                dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT;
 
         info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset;
         info->fix.smem_len = size;
@@ -140,12 +144,6 @@ static int intelfb_create(struct intel_fbdev *ifbdev,
                 ret = -ENOSPC;
                 goto out_unpin;
         }
-
-        ret = fb_alloc_cmap(&info->cmap, 256, 0);
-        if (ret) {
-                ret = -ENOMEM;
-                goto out_unpin;
-        }
         info->screen_size = size;
 
 //      memset(info->screen_base, 0, size);