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drm: rip out drm_core_has_AGP

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Most place actually want to just check for dev->agp (most do, but a
few don't so this fixes a few potential NULL derefs). The only
exception is the agp init code which should check for the AGP driver
feature flag.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Daniel Vetter
2013-12-11 11:34:35 +01:00
committed by Dave Airlie
parent 8da79ccd1a
commit d9906753bb
7 changed files with 11 additions and 26 deletions
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drivers/gpu/drm/drm_vm.c
+2 -2
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@@ -101,7 +101,7 @@ static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
/*
* Find the right map
*/
if (!drm_core_has_AGP(dev))
if (!dev->agp)
goto vm_fault_error;
if (!dev->agp || !dev->agp->cant_use_aperture)
@@ -592,7 +592,7 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
switch (map->type) {
#if !defined(__arm__)
case _DRM_AGP:
if (drm_core_has_AGP(dev) && dev->agp->cant_use_aperture) {
if (dev->agp && dev->agp->cant_use_aperture) {
/*
* On some platforms we can't talk to bus dma address from the CPU, so for
* memory of type DRM_AGP, we'll deal with sorting out the real physical