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Diffstat (limited to 'shared-core/radeon_ms_bo.c')
-rw-r--r--shared-core/radeon_ms_bo.c311
1 files changed, 311 insertions, 0 deletions
diff --git a/shared-core/radeon_ms_bo.c b/shared-core/radeon_ms_bo.c
new file mode 100644
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+++ b/shared-core/radeon_ms_bo.c
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+/*
+ * Copyright 2007 Dave Airlie
+ * Copyright 2007 Jérôme Glisse
+ * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ */
+/*
+ * Authors:
+ * Dave Airlie <airlied@linux.ie>
+ * Jerome Glisse <glisse@freedesktop.org>
+ */
+#include "drmP.h"
+#include "drm.h"
+
+#include "radeon_ms.h"
+
+void radeon_ms_bo_copy_blit(struct drm_device *dev,
+ uint32_t src_offset,
+ uint32_t dst_offset,
+ uint32_t pages)
+{
+ struct drm_radeon_private *dev_priv = dev->dev_private;
+ uint32_t num_pages, stride, c;
+ uint32_t offset_inc = 0;
+ uint32_t cmd[7];
+
+ if (!dev_priv) {
+ return;
+ }
+
+ /* radeon limited to 16320=255*64 bytes per row so copy at
+ * most 2 pages */
+ num_pages = 2;
+ stride = ((num_pages * PAGE_SIZE) / 64) & 0xff;
+ while(pages > 0) {
+ if (num_pages > pages) {
+ num_pages = pages;
+ stride = ((num_pages * PAGE_SIZE) / 64) & 0xff;
+ }
+ c = pages / num_pages;
+ if (c >= 8192) {
+ c = 8191;
+ }
+ cmd[0] = CP_PACKET3_CNTL_BITBLT_MULTI | (5 << 16);
+ cmd[1] = GMC_SRC_PITCH_OFFSET_CNTL |
+ GMC_DST_PITCH_OFFSET_CNTL |
+ GMC_BRUSH_NONE |
+ (0x6 << 8) |
+ GMC_SRC_DATATYPE_COLOR |
+ ROP3_S |
+ DP_SRC_SOURCE_MEMORY |
+ GMC_CLR_CMP_CNTL_DIS |
+ GMC_WR_MSK_DIS;
+ cmd[2] = (stride << 22) | (src_offset >> 10);
+ cmd[3] = (stride << 22) | (dst_offset >> 10);
+ cmd[4] = (0 << 16) | 0;
+ cmd[5] = (0 << 16) | 0;
+ cmd[6] = ((stride * 16) << 16) | c;
+ radeon_ms_ring_emit(dev, cmd, 7);
+ offset_inc = num_pages * c * PAGE_SIZE;
+ src_offset += offset_inc;
+ dst_offset += offset_inc;
+ pages -= num_pages * c;
+ }
+ /* wait for 2d engine to go busy so wait_until stall */
+ for (c = 0; c < dev_priv->usec_timeout; c++) {
+ uint32_t status = MMIO_R(RBBM_STATUS);
+ if ((RBBM_STATUS__E2_BUSY & status) ||
+ (RBBM_STATUS__CBA2D_BUSY & status)) {
+ DRM_INFO("[radeon_ms] RBBM_STATUS 0x%08X\n", status);
+ break;
+ }
+ DRM_UDELAY(1);
+ }
+ /* Sync everything up */
+ cmd[0] = CP_PACKET0(WAIT_UNTIL, 0);
+ cmd[1] = WAIT_UNTIL__WAIT_2D_IDLECLEAN |
+ WAIT_UNTIL__WAIT_HOST_IDLECLEAN;
+ radeon_ms_ring_emit(dev, cmd, 2);
+ return;
+}
+
+static int radeon_ms_bo_move_blit(struct drm_buffer_object *bo,
+ int evict, int no_wait,
+ struct drm_bo_mem_reg *new_mem)
+{
+ struct drm_device *dev = bo->dev;
+ struct drm_bo_mem_reg *old_mem = &bo->mem;
+ uint32_t gpu_src_addr;
+ uint32_t gpu_dst_addr;
+ int ret;
+
+ ret = radeon_ms_bo_get_gpu_addr(dev, old_mem, &gpu_src_addr);
+ if (ret) {
+ return ret;
+ }
+ ret = radeon_ms_bo_get_gpu_addr(dev, new_mem, &gpu_dst_addr);
+ if (ret) {
+ return ret;
+ }
+
+ radeon_ms_bo_copy_blit(bo->dev,
+ gpu_src_addr,
+ gpu_dst_addr,
+ new_mem->num_pages);
+
+ ret = drm_bo_move_accel_cleanup(bo, evict, no_wait, 0,
+ DRM_FENCE_TYPE_EXE |
+ DRM_RADEON_FENCE_TYPE_RW,
+ DRM_RADEON_FENCE_FLAG_FLUSHED,
+ new_mem);
+ return ret;
+}
+
+static int radeon_ms_bo_move_flip(struct drm_buffer_object *bo,
+ int evict, int no_wait,
+ struct drm_bo_mem_reg *new_mem)
+{
+ struct drm_device *dev = bo->dev;
+ struct drm_bo_mem_reg tmp_mem;
+ int ret;
+
+ tmp_mem = *new_mem;
+ tmp_mem.mm_node = NULL;
+ tmp_mem.flags = DRM_BO_FLAG_MEM_TT |
+ DRM_BO_FLAG_CACHED |
+ DRM_BO_FLAG_FORCE_CACHING;
+ ret = drm_bo_mem_space(bo, &tmp_mem, no_wait);
+ if (ret) {
+ return ret;
+ }
+
+ ret = drm_ttm_bind(bo->ttm, &tmp_mem);
+ if (ret) {
+ goto out_cleanup;
+ }
+ ret = radeon_ms_bo_move_blit(bo, 1, no_wait, &tmp_mem);
+ if (ret) {
+ goto out_cleanup;
+ }
+ ret = drm_bo_move_ttm(bo, evict, no_wait, new_mem);
+out_cleanup:
+ if (tmp_mem.mm_node) {
+ mutex_lock(&dev->struct_mutex);
+ if (tmp_mem.mm_node != bo->pinned_node)
+ drm_mm_put_block(tmp_mem.mm_node);
+ tmp_mem.mm_node = NULL;
+ mutex_unlock(&dev->struct_mutex);
+ }
+ return ret;
+}
+
+int radeon_ms_bo_get_gpu_addr(struct drm_device *dev,
+ struct drm_bo_mem_reg *mem,
+ uint32_t *gpu_addr)
+{
+ struct drm_radeon_private *dev_priv = dev->dev_private;
+
+ *gpu_addr = mem->mm_node->start << PAGE_SHIFT;
+ switch (mem->flags & DRM_BO_MASK_MEM) {
+ case DRM_BO_FLAG_MEM_TT:
+ *gpu_addr += dev_priv->gpu_gart_start;
+ DRM_INFO("[radeon_ms] GPU TT: 0x%08X\n", *gpu_addr);
+ break;
+ case DRM_BO_FLAG_MEM_VRAM:
+ *gpu_addr += dev_priv->gpu_vram_start;
+ DRM_INFO("[radeon_ms] GPU VRAM: 0x%08X\n", *gpu_addr);
+ break;
+ default:
+ DRM_ERROR("[radeon_ms] memory not accessible by GPU\n");
+ return -EINVAL;
+ }
+ return 0;
+}
+
+int radeon_ms_bo_move(struct drm_buffer_object *bo, int evict,
+ int no_wait, struct drm_bo_mem_reg *new_mem)
+{
+ struct drm_bo_mem_reg *old_mem = &bo->mem;
+ if (old_mem->mem_type == DRM_BO_MEM_LOCAL) {
+ return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+ } else if (new_mem->mem_type == DRM_BO_MEM_LOCAL) {
+ if (radeon_ms_bo_move_flip(bo, evict, no_wait, new_mem))
+ return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+ } else {
+ if (radeon_ms_bo_move_blit(bo, evict, no_wait, new_mem))
+ return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
+ }
+ return 0;
+}
+
+struct drm_ttm_backend *radeon_ms_create_ttm_backend(struct drm_device * dev)
+{
+ struct drm_radeon_private *dev_priv = dev->dev_private;
+
+ if (dev_priv && dev_priv->create_ttm)
+ return dev_priv->create_ttm(dev);
+ return NULL;
+}
+
+uint64_t radeon_ms_evict_flags(struct drm_buffer_object *bo)
+{
+ switch (bo->mem.mem_type) {
+ case DRM_BO_MEM_LOCAL:
+ case DRM_BO_MEM_TT:
+ return DRM_BO_FLAG_MEM_LOCAL;
+ case DRM_BO_MEM_VRAM:
+ if (bo->mem.num_pages > 128)
+ return DRM_BO_MEM_TT;
+ else
+ return DRM_BO_MEM_LOCAL;
+ default:
+ return DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_CACHED;
+ }
+}
+
+int radeon_ms_init_mem_type(struct drm_device * dev, uint32_t type,
+ struct drm_mem_type_manager * man)
+{
+ struct drm_radeon_private *dev_priv = dev->dev_private;
+
+ switch (type) {
+ case DRM_BO_MEM_LOCAL:
+ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
+ _DRM_FLAG_MEMTYPE_CACHED;
+ man->drm_bus_maptype = 0;
+ break;
+ case DRM_BO_MEM_VRAM:
+ man->flags = _DRM_FLAG_MEMTYPE_FIXED |
+ _DRM_FLAG_MEMTYPE_MAPPABLE |
+ _DRM_FLAG_NEEDS_IOREMAP;
+ man->io_addr = NULL;
+ man->drm_bus_maptype = _DRM_FRAME_BUFFER;
+ man->io_offset = dev_priv->vram.offset;
+ man->io_size = dev_priv->vram.size;
+ break;
+ case DRM_BO_MEM_TT:
+ if (!dev_priv->bus_ready) {
+ DRM_ERROR("Bus isn't initialized while "
+ "intializing TT memory type\n");
+ return -EINVAL;
+ }
+ switch(dev_priv->bus_type) {
+ case RADEON_AGP:
+ if (!(drm_core_has_AGP(dev) && dev->agp)) {
+ DRM_ERROR("AGP is not enabled for memory "
+ "type %u\n", (unsigned)type);
+ return -EINVAL;
+ }
+ man->io_offset = dev->agp->agp_info.aper_base;
+ man->io_size = dev->agp->agp_info.aper_size *
+ 1024 * 1024;
+ man->io_addr = NULL;
+ man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
+ _DRM_FLAG_MEMTYPE_CSELECT |
+ _DRM_FLAG_NEEDS_IOREMAP;
+ man->drm_bus_maptype = _DRM_AGP;
+ man->gpu_offset = 0;
+ break;
+ default:
+ man->io_offset = dev_priv->gpu_gart_start;
+ man->io_size = dev_priv->gpu_gart_size;
+ man->io_addr = NULL;
+ man->flags = _DRM_FLAG_MEMTYPE_CSELECT |
+ _DRM_FLAG_MEMTYPE_MAPPABLE |
+ _DRM_FLAG_MEMTYPE_CMA;
+ man->drm_bus_maptype = _DRM_SCATTER_GATHER;
+ break;
+ }
+ break;
+ default:
+ DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+int radeon_ms_invalidate_caches(struct drm_device * dev, uint64_t flags)
+{
+ struct drm_radeon_private *dev_priv = dev->dev_private;
+
+ dev_priv->flush_cache(dev);
+ return 0;
+}
+
+void radeon_ms_ttm_flush(struct drm_ttm *ttm)
+{
+ if (!ttm)
+ return;
+
+ DRM_MEMORYBARRIER();
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 12:27:01 +0000