drm/radeon: cleanup VM id handling a bit

Store a reference to the VM into the IB structure, that
makes calculating the IBs address a bit less complicated.
Signed-off-by: NChristian König <deathsimple@vodafone.de>
Reviewed-by: NJerome Glisse <jglisse@redhat.com>

drivers/gpu/drm/radeon/ni.c

@@ -879,12 +879,13 @@ void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
 #endif
 			  (ib->gpu_addr & 0xFFFFFFFC));
 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
-	radeon_ring_write(ring, ib->length_dw | (ib->vm_id << 24));
+	radeon_ring_write(ring, ib->length_dw | 
+			  (ib->vm ? (ib->vm->id << 24) : 0));
 
 	/* flush read cache over gart for this vmid */
 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
 	radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
-	radeon_ring_write(ring, ib->vm_id);
+	radeon_ring_write(ring, ib->vm ? ib->vm->id : 0);
 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
 	radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
 	radeon_ring_write(ring, 0xFFFFFFFF);

drivers/gpu/drm/radeon/r100.c

@@ -3800,7 +3800,7 @@ int r100_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
 		return r;
 	}
 	WREG32(scratch, 0xCAFEDEAD);
-	r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, 256);
+	r = radeon_ib_get(rdev, RADEON_RING_TYPE_GFX_INDEX, &ib, NULL, 256);
 	if (r) {
 		return r;
 	}

drivers/gpu/drm/radeon/r600.c

@@ -2635,7 +2635,7 @@ int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
 		return r;
 	}
 	WREG32(scratch, 0xCAFEDEAD);
-	r = radeon_ib_get(rdev, ring->idx, &ib, 256);
+	r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
 	if (r) {
 		DRM_ERROR("radeon: failed to get ib (%d).\n", r);
 		return r;

drivers/gpu/drm/radeon/radeon.h

@@ -592,7 +592,7 @@ struct radeon_ib {
 	uint32_t			*ptr;
 	int				ring;
 	struct radeon_fence		*fence;
-	unsigned			vm_id;
+	struct radeon_vm		*vm;
 	bool				is_const_ib;
 	struct radeon_fence		*sync_to[RADEON_NUM_RINGS];
 	struct radeon_semaphore		*semaphore;
@@ -734,7 +734,8 @@ struct si_rlc {
 };
 
 int radeon_ib_get(struct radeon_device *rdev, int ring,
-		  struct radeon_ib *ib, unsigned size);
+		  struct radeon_ib *ib, struct radeon_vm *vm,
+		  unsigned size);
 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib);
 int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
 		       struct radeon_ib *const_ib);

drivers/gpu/drm/radeon/radeon_cs.c

@@ -363,7 +363,7 @@ static int radeon_cs_ib_chunk(struct radeon_device *rdev,
 	 * uncached).
 	 */
 	r =  radeon_ib_get(rdev, parser->ring, &parser->ib,
-			   ib_chunk->length_dw * 4);
+			   NULL, ib_chunk->length_dw * 4);
 	if (r) {
 		DRM_ERROR("Failed to get ib !\n");
 		return r;
@@ -380,7 +380,6 @@ static int radeon_cs_ib_chunk(struct radeon_device *rdev,
 		return r;
 	}
 	radeon_cs_sync_rings(parser);
-	parser->ib.vm_id = 0;
 	r = radeon_ib_schedule(rdev, &parser->ib, NULL);
 	if (r) {
 		DRM_ERROR("Failed to schedule IB !\n");
@@ -426,7 +425,7 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
 			return -EINVAL;
 		}
 		r =  radeon_ib_get(rdev, parser->ring, &parser->const_ib,
-				   ib_chunk->length_dw * 4);
+				   vm, ib_chunk->length_dw * 4);
 		if (r) {
 			DRM_ERROR("Failed to get const ib !\n");
 			return r;
@@ -450,7 +449,7 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
 		return -EINVAL;
 	}
 	r =  radeon_ib_get(rdev, parser->ring, &parser->ib,
-			   ib_chunk->length_dw * 4);
+			   vm, ib_chunk->length_dw * 4);
 	if (r) {
 		DRM_ERROR("Failed to get ib !\n");
 		return r;
@@ -478,19 +477,8 @@ static int radeon_cs_ib_vm_chunk(struct radeon_device *rdev,
 	}
 	radeon_cs_sync_rings(parser);
 
-	parser->ib.vm_id = vm->id;
-	/* ib pool is bind at 0 in virtual address space,
-	 * so gpu_addr is the offset inside the pool bo
-	 */
-	parser->ib.gpu_addr = parser->ib.sa_bo->soffset;
-
 	if ((rdev->family >= CHIP_TAHITI) &&
 	    (parser->chunk_const_ib_idx != -1)) {
-		parser->const_ib.vm_id = vm->id;
-		/* ib pool is bind at 0 in virtual address space,
-		 * so gpu_addr is the offset inside the pool bo
-		 */
-		parser->const_ib.gpu_addr = parser->const_ib.sa_bo->soffset;
 		r = radeon_ib_schedule(rdev, &parser->ib, &parser->const_ib);
 	} else {
 		r = radeon_ib_schedule(rdev, &parser->ib, NULL);

drivers/gpu/drm/radeon/radeon_ring.c

@@ -58,7 +58,8 @@ int radeon_debugfs_sa_init(struct radeon_device *rdev);
  * Returns 0 on success, error on failure.
  */
 int radeon_ib_get(struct radeon_device *rdev, int ring,
-		  struct radeon_ib *ib, unsigned size)
+		  struct radeon_ib *ib, struct radeon_vm *vm,
+		  unsigned size)
 {
 	int i, r;
 
@@ -76,8 +77,15 @@ int radeon_ib_get(struct radeon_device *rdev, int ring,
 	ib->ring = ring;
 	ib->fence = NULL;
 	ib->ptr = radeon_sa_bo_cpu_addr(ib->sa_bo);
+	ib->vm = vm;
+	if (vm) {
+		/* ib pool is bind at 0 in virtual address space,
+		 * so gpu_addr is the offset inside the pool bo
+		 */
+		ib->gpu_addr = ib->sa_bo->soffset;
+	} else {
 		ib->gpu_addr = radeon_sa_bo_gpu_addr(ib->sa_bo);
-	ib->vm_id = 0;
+	}
 	ib->is_const_ib = false;
 	for (i = 0; i < RADEON_NUM_RINGS; ++i)
 		ib->sync_to[i] = NULL;

drivers/gpu/drm/radeon/si.c

@@ -1806,13 +1806,14 @@ void si_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
 #endif
 			  (ib->gpu_addr & 0xFFFFFFFC));
 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF);
-	radeon_ring_write(ring, ib->length_dw | (ib->vm_id << 24));
+	radeon_ring_write(ring, ib->length_dw |
+			  (ib->vm ? (ib->vm->id << 24) : 0));
 
 	if (!ib->is_const_ib) {
 		/* flush read cache over gart for this vmid */
 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
 		radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
-		radeon_ring_write(ring, ib->vm_id);
+		radeon_ring_write(ring, ib->vm ? ib->vm->id : 0);
 		radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
 		radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
 				  PACKET3_TC_ACTION_ENA |