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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bo0039.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo0039.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo0039.c b/drivers/gpu/drm/nouveau/nouveau_bo0039.c
new file mode 100644
index 000000000..739013212
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_bo0039.c
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2007 Dave Airlied
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+/*
+ * Authors: Dave Airlied <airlied@linux.ie>
+ * Ben Skeggs <darktama@iinet.net.au>
+ * Jeremy Kolb <jkolb@brandeis.edu>
+ */
+#include "nouveau_bo.h"
+#include "nouveau_dma.h"
+#include "nouveau_drv.h"
+
+#include <nvif/push006c.h>
+
+#include <nvhw/class/cl0039.h>
+
+static inline uint32_t
+nouveau_bo_mem_ctxdma(struct ttm_buffer_object *bo,
+ struct nouveau_channel *chan, struct ttm_resource *reg)
+{
+ if (reg->mem_type == TTM_PL_TT)
+ return NvDmaTT;
+ return chan->vram.handle;
+}
+
+int
+nv04_bo_move_m2mf(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
+ struct ttm_resource *old_reg, struct ttm_resource *new_reg)
+{
+ struct nvif_push *push = chan->chan.push;
+ u32 src_ctxdma = nouveau_bo_mem_ctxdma(bo, chan, old_reg);
+ u32 src_offset = old_reg->start << PAGE_SHIFT;
+ u32 dst_ctxdma = nouveau_bo_mem_ctxdma(bo, chan, new_reg);
+ u32 dst_offset = new_reg->start << PAGE_SHIFT;
+ u32 page_count = new_reg->num_pages;
+ int ret;
+
+ ret = PUSH_WAIT(push, 3);
+ if (ret)
+ return ret;
+
+ PUSH_MTHD(push, NV039, SET_CONTEXT_DMA_BUFFER_IN, src_ctxdma,
+ SET_CONTEXT_DMA_BUFFER_OUT, dst_ctxdma);
+
+ page_count = new_reg->num_pages;
+ while (page_count) {
+ int line_count = (page_count > 2047) ? 2047 : page_count;
+
+ ret = PUSH_WAIT(push, 11);
+ if (ret)
+ return ret;
+
+ PUSH_MTHD(push, NV039, OFFSET_IN, src_offset,
+ OFFSET_OUT, dst_offset,
+ PITCH_IN, PAGE_SIZE,
+ PITCH_OUT, PAGE_SIZE,
+ LINE_LENGTH_IN, PAGE_SIZE,
+ LINE_COUNT, line_count,
+
+ FORMAT,
+ NVVAL(NV039, FORMAT, IN, 1) |
+ NVVAL(NV039, FORMAT, OUT, 1),
+
+ BUFFER_NOTIFY, NV039_BUFFER_NOTIFY_WRITE_ONLY);
+
+ PUSH_MTHD(push, NV039, NO_OPERATION, 0x00000000);
+
+ page_count -= line_count;
+ src_offset += (PAGE_SIZE * line_count);
+ dst_offset += (PAGE_SIZE * line_count);
+ }
+
+ return 0;
+}
+
+int
+nv04_bo_move_init(struct nouveau_channel *chan, u32 handle)
+{
+ struct nvif_push *push = chan->chan.push;
+ int ret;
+
+ ret = PUSH_WAIT(push, 4);
+ if (ret)
+ return ret;
+
+ PUSH_MTHD(push, NV039, SET_OBJECT, handle);
+ PUSH_MTHD(push, NV039, SET_CONTEXT_DMA_NOTIFIES, chan->drm->ntfy.handle);
+ return 0;
+}