drm/radeon: add support for STRMOUT_BASE_UPDATE on 7xx

Required for streamout.  Bump drm minor.

Marek v2: fix pkt->count check

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 0133f5f..ca87f7a 100644 (file)
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -2079,6 +2079,48 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
                        return -EINVAL;
                }
                break;
+       case PACKET3_STRMOUT_BASE_UPDATE:
+               if (p->family < CHIP_RV770) {
+                       DRM_ERROR("STRMOUT_BASE_UPDATE only supported on 7xx\n");
+                       return -EINVAL;
+               }
+               if (pkt->count != 1) {
+                       DRM_ERROR("bad STRMOUT_BASE_UPDATE packet count\n");
+                       return -EINVAL;
+               }
+               if (idx_value > 3) {
+                       DRM_ERROR("bad STRMOUT_BASE_UPDATE index\n");
+                       return -EINVAL;
+               }
+               {
+                       u64 offset;
+
+                       r = r600_cs_packet_next_reloc(p, &reloc);
+                       if (r) {
+                               DRM_ERROR("bad STRMOUT_BASE_UPDATE reloc\n");
+                               return -EINVAL;
+                       }
+
+                       if (reloc->robj != track->vgt_strmout_bo[idx_value]) {
+                               DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo does not match\n");
+                               return -EINVAL;
+                       }
+
+                       offset = radeon_get_ib_value(p, idx+1) << 8;
+                       if (offset != track->vgt_strmout_bo_offset[idx_value]) {
+                               DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo offset does not match: 0x%llx, 0x%x\n",
+                                         offset, track->vgt_strmout_bo_offset[idx_value]);
+                               return -EINVAL;
+                       }
+
+                       if ((offset + 4) > radeon_bo_size(reloc->robj)) {
+                               DRM_ERROR("bad STRMOUT_BASE_UPDATE bo too small: 0x%llx, 0x%lx\n",
+                                         offset + 4, radeon_bo_size(reloc->robj));
+                               return -EINVAL;
+                       }
+                       ib[idx+1] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+               }
+               break;
        case PACKET3_SURFACE_BASE_UPDATE:
                if (p->family >= CHIP_RV770 || p->family == CHIP_R600) {
                        DRM_ERROR("bad SURFACE_BASE_UPDATE\n");

diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index c6857e8..025fd5b 100644 (file)
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -1164,6 +1164,7 @@
 #define        PACKET3_SET_CTL_CONST                           0x6F
 #define                PACKET3_SET_CTL_CONST_OFFSET                    0x0003cff0
 #define                PACKET3_SET_CTL_CONST_END                       0x0003e200
+#define        PACKET3_STRMOUT_BASE_UPDATE                     0x72 /* r7xx */
 #define        PACKET3_SURFACE_BASE_UPDATE                     0x73
 
 

diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 03e5f5d..2c4d53f 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -58,9 +58,10 @@
  *   2.14.0 - add evergreen tiling informations
  *   2.15.0 - add max_pipes query
  *   2.16.0 - fix evergreen 2D tiled surface calculation
+ *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
  */
 #define KMS_DRIVER_MAJOR       2
-#define KMS_DRIVER_MINOR       16
+#define KMS_DRIVER_MINOR       17
 #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);