drm/radeon/kms: allow R500 regs VAP_ALT_NUM_VERTICES and VAP_INDEX_OFFSET

[airlied: fix V_A_N_V to not be safe and fix check to make sure only r500
 - bump userspace version]

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

5 files changed, 20 insertions, 6 deletions

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index e40dbdc4ebb3..c06207e4085c 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3011,7 +3011,11 @@ int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
                 }
         }
         prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
-        nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
+        if (track->vap_vf_cntl & (1 << 14)) {
+                nverts = track->vap_alt_nverts;
+        } else {
+                nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
+        }
         switch (prim_walk) {
         case 1:
                 for (i = 0; i < track->num_arrays; i++) {
diff --git a/drivers/gpu/drm/radeon/r100_track.h b/drivers/gpu/drm/radeon/r100_track.h
index b27a6999d219..fadfe68de9cc 100644
--- a/drivers/gpu/drm/radeon/r100_track.h
+++ b/drivers/gpu/drm/radeon/r100_track.h
@@ -64,6 +64,7 @@ struct r100_cs_track {
         unsigned                        maxy;
         unsigned                        vtx_size;
         unsigned                        vap_vf_cntl;
+        unsigned                        vap_alt_nverts;
         unsigned                        immd_dwords;
         unsigned                        num_arrays;
         unsigned                        max_indx;
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 0e9eb761a90f..2a9b59457556 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -729,6 +729,12 @@ 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 +772,6 @@ 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 +1056,13 @@ 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,
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 055a51732dcb..4b05563d99e1 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -43,9 +43,10 @@
  * - 2.0.0 - initial interface
  * - 2.1.0 - add square tiling interface
  * - 2.2.0 - add r6xx/r7xx const buffer support
+ * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
  */
 #define KMS_DRIVER_MAJOR        2
-#define KMS_DRIVER_MINOR        2
+#define KMS_DRIVER_MINOR        3
 #define KMS_DRIVER_PATCHLEVEL   0
 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
 int radeon_driver_unload_kms(struct drm_device *dev);
diff --git a/drivers/gpu/drm/radeon/reg_srcs/rv515 b/drivers/gpu/drm/radeon/reg_srcs/rv515
index 7f44adaf22d2..1e46233985eb 100644
--- a/drivers/gpu/drm/radeon/reg_srcs/rv515
+++ b/drivers/gpu/drm/radeon/reg_srcs/rv515
@@ -35,6 +35,7 @@ rv515 0x6d40
 0x1DA8 VAP_VPORT_ZSCALE
 0x1DAC VAP_VPORT_ZOFFSET
 0x2080 VAP_CNTL
+0x208C VAP_INDEX_OFFSET
 0x2090 VAP_OUT_VTX_FMT_0
 0x2094 VAP_OUT_VTX_FMT_1
 0x20B0 VAP_VTE_CNTL