1 files changed, 14 insertions, 6 deletions

diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 561048a7c0a4..bd75f99bd65e 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -325,11 +325,12 @@ void r300_gpu_init(struct radeon_device *rdev)
 
         r100_hdp_reset(rdev);
         /* FIXME: rv380 one pipes ? */
-        if ((rdev->family == CHIP_R300) || (rdev->family == CHIP_R350)) {
+        if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
+            (rdev->family == CHIP_R350)) {
                 /* r300,r350 */
                 rdev->num_gb_pipes = 2;
         } else {
-                /* rv350,rv370,rv380 */
+                /* rv350,rv370,rv380,r300 AD */
                 rdev->num_gb_pipes = 1;
         }
         rdev->num_z_pipes = 1;
@@ -729,6 +730,12 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
                 /* VAP_VF_MAX_VTX_INDX */
                 track->max_indx = idx_value & 0x00FFFFFFUL;
                 break;
+        case 0x2088:
+                /* VAP_ALT_NUM_VERTICES - only valid on r500 */
+                if (p->rdev->family < CHIP_RV515)
+                        goto fail;
+                track->vap_alt_nverts = idx_value & 0xFFFFFF;
+                break;
         case 0x43E4:
                 /* SC_SCISSOR1 */
                 track->maxy = ((idx_value >> 13) & 0x1FFF) + 1;
@@ -766,7 +773,6 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
                 tmp = idx_value & ~(0x7 << 16);
                 tmp |= tile_flags;
                 ib[idx] = tmp;
-
                 i = (reg - 0x4E38) >> 2;
                 track->cb[i].pitch = idx_value & 0x3FFE;
                 switch (((idx_value >> 21) & 0xF)) {
@@ -1051,11 +1057,13 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
                         break;
                 /* fallthrough do not move */
         default:
-                printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
-                       reg, idx);
-                return -EINVAL;
+                goto fail;
         }
         return 0;
+fail:
+        printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
+               reg, idx);
+        return -EINVAL;
 }
 
 static int r300_packet3_check(struct radeon_cs_parser *p,