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, 15 insertions, 5 deletions

diff --git a/drivers/char/drm/via_verifier.c b/drivers/char/drm/via_verifier.c
index 70c897c8876..24fc7cb6e7d 100644
--- a/drivers/char/drm/via_verifier.c
+++ b/drivers/char/drm/via_verifier.c
@@ -961,7 +961,13 @@ via_verify_command_stream(const uint32_t * buf, unsigned int size,
         uint32_t cmd;
         const uint32_t *buf_end = buf + (size >> 2);
         verifier_state_t state = state_command;
-        int pro_group_a = dev_priv->pro_group_a;
+        int cme_video;
+        int supported_3d;
+
+        cme_video = (dev_priv->chipset == VIA_PRO_GROUP_A ||
+                     dev_priv->chipset == VIA_DX9_0);
+
+        supported_3d = dev_priv->chipset != VIA_DX9_0;
 
         hc_state->dev = dev;
         hc_state->unfinished = no_sequence;
@@ -986,17 +992,21 @@ via_verify_command_stream(const uint32_t * buf, unsigned int size,
                         state = via_check_vheader6(&buf, buf_end);
                         break;
                 case state_command:
-                        if (HALCYON_HEADER2 == (cmd = *buf))
+                        if ((HALCYON_HEADER2 == (cmd = *buf)) &&
+                            supported_3d)
                                 state = state_header2;
                         else if ((cmd & HALCYON_HEADER1MASK) == HALCYON_HEADER1)
                                 state = state_header1;
-                        else if (pro_group_a
+                        else if (cme_video
                                  && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER5)
                                 state = state_vheader5;
-                        else if (pro_group_a
+                        else if (cme_video
                                  && (cmd & VIA_VIDEOMASK) == VIA_VIDEO_HEADER6)
                                 state = state_vheader6;
-                        else {
+                        else if ((cmd == HALCYON_HEADER2) && !supported_3d) {
+                                DRM_ERROR("Accelerated 3D is not supported on this chipset yet.\n");
+                                state = state_error;
+                        } else {
                                 DRM_ERROR
                                     ("Invalid / Unimplemented DMA HEADER command. 0x%x\n",
                                      cmd);