via: add some new chipsets

Disable 3D functionality and AGP DMA for chipsets with the DX9 3D engine.

Signed-off-by: Dave Airlie <airlied@linux.ie>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/char/drm/via_drv.h b/drivers/char/drm/via_drv.h
index d21b5b75da0f..cfc20a06707e 100644
--- a/drivers/char/drm/via_drv.h
+++ b/drivers/char/drm/via_drv.h
@@ -79,7 +79,7 @@ typedef struct drm_via_private {
         char pci_buf[VIA_PCI_BUF_SIZE];
         const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE];
         uint32_t num_fire_offsets;
-        int pro_group_a;
+        int chipset;
         drm_via_irq_t via_irqs[VIA_NUM_IRQS];
         unsigned num_irqs;
         maskarray_t *irq_masks;
@@ -96,8 +96,9 @@ typedef struct drm_via_private {
 } drm_via_private_t;
 
 enum via_family {
-        VIA_OTHER = 0,
-        VIA_PRO_GROUP_A,
+  VIA_OTHER = 0,     /* Baseline */
+  VIA_PRO_GROUP_A,   /* Another video engine and DMA commands */
+  VIA_DX9_0          /* Same video as pro_group_a, but 3D is unsupported */
 };
 
 /* VIA MMIO register access */