diff options
Diffstat (limited to 'shared-core/radeon_ms_bus.c')
| -rw-r--r-- | shared-core/radeon_ms_bus.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/shared-core/radeon_ms_bus.c b/shared-core/radeon_ms_bus.c index 6a782b1c..d50c9fb8 100644 --- a/shared-core/radeon_ms_bus.c +++ b/shared-core/radeon_ms_bus.c @@ -205,6 +205,12 @@ static int pcie_ttm_unbind(struct drm_ttm_backend *backend) int radeon_ms_agp_finish(struct drm_device *dev) { + struct drm_radeon_private *dev_priv = dev->dev_private; + + if (!dev_priv->bus_ready) { + return 0; + } + dev_priv->bus_ready = 0; drm_agp_release(dev); return 0; } @@ -217,6 +223,7 @@ int radeon_ms_agp_init(struct drm_device *dev) uint32_t agp_status; int ret; + dev_priv->bus_ready = -1; if (dev->agp == NULL) { DRM_ERROR("[radeon_ms] can't initialize AGP\n"); return -EINVAL; @@ -256,6 +263,7 @@ int radeon_ms_agp_init(struct drm_device *dev) DRM_INFO("[radeon_ms] gpu agp location 0x%08X\n", state->mc_agp_location); DRM_INFO("[radeon_ms] bus ready\n"); + dev_priv->bus_ready = 1; return 0; } @@ -328,6 +336,7 @@ int radeon_ms_pcie_init(struct drm_device *dev) struct radeon_pcie *pcie; int ret = 0; + dev_priv->bus_ready = -1; /* allocate and clear device private structure */ pcie = drm_alloc(sizeof(struct radeon_pcie), DRM_MEM_DRIVER); if (pcie == NULL) { @@ -401,6 +410,7 @@ int radeon_ms_pcie_init(struct drm_device *dev) DRM_INFO("[radeon_ms] gpu gart end 0x%08X\n", PCIE_R(PCIE_TX_GART_END_LO)); DRM_INFO("[radeon_ms] bus ready\n"); + dev_priv->bus_ready = 1; return 0; } |