fbdev: allow passing more than one aperture for handoff
It removes a hack from nouveau code which had to detect which
region to pass to kick vesafb/efifb.
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Peter Jones <pjones@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index f29fa8c..292c7ff 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -152,44 +152,6 @@
*blue = nv_crtc->lut.b[regno];
}
-#if defined(__i386__) || defined(__x86_64__)
-static bool
-nouveau_fbcon_has_vesafb_or_efifb(struct drm_device *dev)
-{
- struct pci_dev *pdev = dev->pdev;
- int ramin;
-
- if (screen_info.orig_video_isVGA != VIDEO_TYPE_VLFB &&
- screen_info.orig_video_isVGA != VIDEO_TYPE_EFI)
- return false;
-
- if (screen_info.lfb_base < pci_resource_start(pdev, 1))
- goto not_fb;
-
- if (screen_info.lfb_base + screen_info.lfb_size >=
- pci_resource_start(pdev, 1) + pci_resource_len(pdev, 1))
- goto not_fb;
-
- return true;
-not_fb:
- ramin = 2;
- if (pci_resource_len(pdev, ramin) == 0) {
- ramin = 3;
- if (pci_resource_len(pdev, ramin) == 0)
- return false;
- }
-
- if (screen_info.lfb_base < pci_resource_start(pdev, ramin))
- return false;
-
- if (screen_info.lfb_base + screen_info.lfb_size >=
- pci_resource_start(pdev, ramin) + pci_resource_len(pdev, ramin))
- return false;
-
- return true;
-}
-#endif
-
static void
nouveau_fbcon_zfill(struct drm_device *dev, struct nouveau_fbdev *nfbdev)
{
@@ -219,7 +181,9 @@
struct nouveau_framebuffer *nouveau_fb;
struct nouveau_bo *nvbo;
struct drm_mode_fb_cmd mode_cmd;
- struct device *device = &dev->pdev->dev;
+ struct pci_dev *pdev = dev->pdev;
+ struct device *device = &pdev->dev;
+ struct apertures_struct *aper;
int size, ret;
mode_cmd.width = sizes->surface_width;
@@ -299,28 +263,30 @@
drm_fb_helper_fill_var(info, &nfbdev->helper, sizes->fb_width, sizes->fb_height);
/* FIXME: we really shouldn't expose mmio space at all */
- info->fix.mmio_start = pci_resource_start(dev->pdev, 1);
- info->fix.mmio_len = pci_resource_len(dev->pdev, 1);
+ info->fix.mmio_start = pci_resource_start(pdev, 1);
+ info->fix.mmio_len = pci_resource_len(pdev, 1);
/* Set aperture base/size for vesafb takeover */
-#if defined(__i386__) || defined(__x86_64__)
- if (nouveau_fbcon_has_vesafb_or_efifb(dev)) {
- /* Some NVIDIA VBIOS' are stupid and decide to put the
- * framebuffer in the middle of the PRAMIN BAR for
- * whatever reason. We need to know the exact lfb_base
- * to get vesafb kicked off, and the only reliable way
- * we have left is to find out lfb_base the same way
- * vesafb did.
- */
- info->aperture_base = screen_info.lfb_base;
- info->aperture_size = screen_info.lfb_size;
- if (screen_info.orig_video_isVGA == VIDEO_TYPE_VLFB)
- info->aperture_size *= 65536;
- } else
-#endif
- {
- info->aperture_base = info->fix.mmio_start;
- info->aperture_size = info->fix.mmio_len;
+ aper = info->apertures = alloc_apertures(3);
+ if (!info->apertures) {
+ ret = -ENOMEM;
+ goto out_unref;
+ }
+
+ aper->ranges[0].base = pci_resource_start(pdev, 1);
+ aper->ranges[0].size = pci_resource_len(pdev, 1);
+ aper->count = 1;
+
+ if (pci_resource_len(pdev, 2)) {
+ aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
+ aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
+ aper->count++;
+ }
+
+ if (pci_resource_len(pdev, 3)) {
+ aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
+ aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
+ aper->count++;
}
info->pixmap.size = 64*1024;