diff options
Diffstat (limited to 'drivers/gpu/drm/mgag200/mgag200_drv.c')
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_drv.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c index 9f4f5f071add..7a5bad2f57d7 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.c +++ b/drivers/gpu/drm/mgag200/mgag200_drv.c @@ -27,6 +27,10 @@ int mgag200_modeset = -1; MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); module_param_named(modeset, mgag200_modeset, int, 0400); +int mgag200_hw_bug_no_startadd = -1; +MODULE_PARM_DESC(modeset, "HW does not interpret scanout-buffer start address correctly"); +module_param_named(hw_bug_no_startadd, mgag200_hw_bug_no_startadd, int, 0400); + static struct drm_driver driver; static const struct pci_device_id pciidlist[] = { @@ -97,6 +101,16 @@ DEFINE_DRM_GEM_FOPS(mgag200_driver_fops); static bool mgag200_pin_bo_at_0(const struct mga_device *mdev) { + if (mgag200_hw_bug_no_startadd > 0) { + DRM_WARN_ONCE("Option hw_bug_no_startradd is enabled. Please " + "report the output of 'lspci -vvnn' to " + "<dri-devel@lists.freedesktop.org> if this " + "option is required to make mgag200 work " + "correctly on your system.\n"); + return true; + } else if (!mgag200_hw_bug_no_startadd) { + return false; + } return mdev->flags & MGAG200_FLAG_HW_BUG_NO_STARTADD; } @@ -120,8 +134,7 @@ int mgag200_driver_dumb_create(struct drm_file *file, if (mgag200_pin_bo_at_0(mdev)) pg_align = PFN_UP(mdev->mc.vram_size); - return drm_gem_vram_fill_create_dumb(file, dev, &dev->vram_mm->bdev, - pg_align, false, args); + return drm_gem_vram_fill_create_dumb(file, dev, pg_align, 0, args); } static struct drm_driver driver = { |