diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_dma.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_dma.c | 55 |
1 files changed, 16 insertions, 39 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c index 47d041269f6..40f91e1e584 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.c +++ b/drivers/gpu/drm/nouveau/nouveau_dma.c @@ -24,40 +24,16 @@ * */ -#include <drm/drmP.h> -#include "nouveau_drv.h" -#include "nouveau_dma.h" -#include "nouveau_ramht.h" - -void -nouveau_dma_init(struct nouveau_channel *chan) -{ - struct drm_nouveau_private *dev_priv = chan->dev->dev_private; - struct nouveau_bo *pushbuf = chan->pushbuf_bo; - - if (dev_priv->card_type >= NV_50) { - const int ib_size = pushbuf->bo.mem.size / 2; - - chan->dma.ib_base = (pushbuf->bo.mem.size - ib_size) >> 2; - chan->dma.ib_max = (ib_size / 8) - 1; - chan->dma.ib_put = 0; - chan->dma.ib_free = chan->dma.ib_max - chan->dma.ib_put; +#include <core/client.h> - chan->dma.max = (pushbuf->bo.mem.size - ib_size) >> 2; - } else { - chan->dma.max = (pushbuf->bo.mem.size >> 2) - 2; - } - - chan->dma.put = 0; - chan->dma.cur = chan->dma.put; - chan->dma.free = chan->dma.max - chan->dma.cur; -} +#include "nouveau_drm.h" +#include "nouveau_dma.h" void OUT_RINGp(struct nouveau_channel *chan, const void *data, unsigned nr_dwords) { bool is_iomem; - u32 *mem = ttm_kmap_obj_virtual(&chan->pushbuf_bo->kmap, &is_iomem); + u32 *mem = ttm_kmap_obj_virtual(&chan->push.buffer->kmap, &is_iomem); mem = &mem[chan->dma.cur]; if (is_iomem) memcpy_toio((void __force __iomem *)mem, data, nr_dwords * 4); @@ -78,9 +54,9 @@ READ_GET(struct nouveau_channel *chan, uint64_t *prev_get, int *timeout) { uint64_t val; - val = nvchan_rd32(chan, chan->user_get); + val = nv_ro32(chan->object, chan->user_get); if (chan->user_get_hi) - val |= (uint64_t)nvchan_rd32(chan, chan->user_get_hi) << 32; + val |= (uint64_t)nv_ro32(chan->object, chan->user_get_hi) << 32; /* reset counter as long as GET is still advancing, this is * to avoid misdetecting a GPU lockup if the GPU happens to @@ -92,32 +68,33 @@ READ_GET(struct nouveau_channel *chan, uint64_t *prev_get, int *timeout) } if ((++*timeout & 0xff) == 0) { - DRM_UDELAY(1); + udelay(1); if (*timeout > 100000) return -EBUSY; } - if (val < chan->pushbuf_base || - val > chan->pushbuf_base + (chan->dma.max << 2)) + if (val < chan->push.vma.offset || + val > chan->push.vma.offset + (chan->dma.max << 2)) return -EINVAL; - return (val - chan->pushbuf_base) >> 2; + return (val - chan->push.vma.offset) >> 2; } void nv50_dma_push(struct nouveau_channel *chan, struct nouveau_bo *bo, int delta, int length) { - struct nouveau_bo *pb = chan->pushbuf_bo; + struct nouveau_bo *pb = chan->push.buffer; struct nouveau_vma *vma; int ip = (chan->dma.ib_put * 2) + chan->dma.ib_base; u64 offset; - vma = nouveau_bo_vma_find(bo, chan->vm); + vma = nouveau_bo_vma_find(bo, nv_client(chan->cli)->vm); BUG_ON(!vma); offset = vma->offset + delta; BUG_ON(chan->dma.ib_free < 1); + nouveau_bo_wr32(pb, ip++, lower_32_bits(offset)); nouveau_bo_wr32(pb, ip++, upper_32_bits(offset) | length << 8); @@ -127,7 +104,7 @@ nv50_dma_push(struct nouveau_channel *chan, struct nouveau_bo *bo, /* Flush writes. */ nouveau_bo_rd32(pb, 0); - nvchan_wr32(chan, 0x8c, chan->dma.ib_put); + nv_wo32(chan->object, 0x8c, chan->dma.ib_put); chan->dma.ib_free--; } @@ -137,7 +114,7 @@ nv50_dma_push_wait(struct nouveau_channel *chan, int count) uint32_t cnt = 0, prev_get = 0; while (chan->dma.ib_free < count) { - uint32_t get = nvchan_rd32(chan, 0x88); + uint32_t get = nv_ro32(chan->object, 0x88); if (get != prev_get) { prev_get = get; cnt = 0; @@ -248,7 +225,7 @@ nouveau_dma_wait(struct nouveau_channel *chan, int slots, int size) * instruct the GPU to jump back to the start right * after processing the currently pending commands. */ - OUT_RING(chan, chan->pushbuf_base | 0x20000000); + OUT_RING(chan, chan->push.vma.offset | 0x20000000); /* wait for GET to depart from the skips area. * prevents writing GET==PUT and causing a race |