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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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4
drivers/gpu/drm/drm_pci.c
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@@ -264,7 +264,7 @@ static int drm_pci_irq_by_busid(struct drm_device *dev, struct drm_irq_busid *p)
static void drm_pci_agp_init(struct drm_device *dev)
{
if (drm_core_has_AGP(dev)) {
if (drm_core_check_feature(dev, DRIVER_USE_AGP)) {
if (drm_pci_device_is_agp(dev))
dev->agp = drm_agp_init(dev);
if (dev->agp) {
@@ -278,7 +278,7 @@ static void drm_pci_agp_init(struct drm_device *dev)
static void drm_pci_agp_destroy(struct drm_device *dev)
{
if (drm_core_has_AGP(dev) && dev->agp) {
if (dev->agp) {
arch_phys_wc_del(dev->agp->agp_mtrr);
drm_agp_clear(dev);
drm_agp_destroy(dev->agp);