Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
[GitHub/exynos8895/android_kernel_samsung_universal8895.git] / drivers / gpu / drm / nouveau / nvc0_fence.c
index 2e666d0c4048166a19ee5bc1cf4dc04a3fc28ed0..53299eac9676db7eeb56f6c5204aa344ec6e578f 100644 (file)
  * Authors: Ben Skeggs
  */
 
-#include <drm/drmP.h>
-#include "nouveau_drv.h"
+#include <core/object.h>
+#include <core/client.h>
+#include <core/class.h>
+
+#include <engine/fifo.h>
+
+#include "nouveau_drm.h"
 #include "nouveau_dma.h"
-#include "nouveau_fifo.h"
-#include "nouveau_ramht.h"
 #include "nouveau_fence.h"
 
+#include "nv50_display.h"
+
 struct nvc0_fence_priv {
        struct nouveau_fence_priv base;
        struct nouveau_bo *bo;
+       u32 *suspend;
 };
 
 struct nvc0_fence_chan {
        struct nouveau_fence_chan base;
        struct nouveau_vma vma;
+       struct nouveau_vma dispc_vma[4];
 };
 
+u64
+nvc0_fence_crtc(struct nouveau_channel *chan, int crtc)
+{
+       struct nvc0_fence_chan *fctx = chan->fence;
+       return fctx->dispc_vma[crtc].offset;
+}
+
 static int
 nvc0_fence_emit(struct nouveau_fence *fence)
 {
        struct nouveau_channel *chan = fence->channel;
-       struct nvc0_fence_chan *fctx = chan->engctx[NVOBJ_ENGINE_FENCE];
-       u64 addr = fctx->vma.offset + chan->id * 16;
+       struct nvc0_fence_chan *fctx = chan->fence;
+       struct nouveau_fifo_chan *fifo = (void *)chan->object;
+       u64 addr = fctx->vma.offset + fifo->chid * 16;
        int ret;
 
        ret = RING_SPACE(chan, 5);
@@ -64,8 +79,9 @@ static int
 nvc0_fence_sync(struct nouveau_fence *fence,
                struct nouveau_channel *prev, struct nouveau_channel *chan)
 {
-       struct nvc0_fence_chan *fctx = chan->engctx[NVOBJ_ENGINE_FENCE];
-       u64 addr = fctx->vma.offset + prev->id * 16;
+       struct nvc0_fence_chan *fctx = chan->fence;
+       struct nouveau_fifo_chan *fifo = (void *)prev->object;
+       u64 addr = fctx->vma.offset + fifo->chid * 16;
        int ret;
 
        ret = RING_SPACE(chan, 5);
@@ -85,91 +101,135 @@ nvc0_fence_sync(struct nouveau_fence *fence,
 static u32
 nvc0_fence_read(struct nouveau_channel *chan)
 {
-       struct nvc0_fence_priv *priv = nv_engine(chan->dev, NVOBJ_ENGINE_FENCE);
-       return nouveau_bo_rd32(priv->bo, chan->id * 16/4);
+       struct nouveau_fifo_chan *fifo = (void *)chan->object;
+       struct nvc0_fence_priv *priv = chan->drm->fence;
+       return nouveau_bo_rd32(priv->bo, fifo->chid * 16/4);
 }
 
 static void
-nvc0_fence_context_del(struct nouveau_channel *chan, int engine)
+nvc0_fence_context_del(struct nouveau_channel *chan)
 {
-       struct nvc0_fence_priv *priv = nv_engine(chan->dev, engine);
-       struct nvc0_fence_chan *fctx = chan->engctx[engine];
+       struct drm_device *dev = chan->drm->dev;
+       struct nvc0_fence_priv *priv = chan->drm->fence;
+       struct nvc0_fence_chan *fctx = chan->fence;
+       int i;
+
+       if (nv_device(chan->drm->device)->card_type >= NV_D0) {
+               for (i = 0; i < dev->mode_config.num_crtc; i++) {
+                       struct nouveau_bo *bo = nvd0_display_crtc_sema(dev, i);
+                       nouveau_bo_vma_del(bo, &fctx->dispc_vma[i]);
+               }
+       } else
+       if (nv_device(chan->drm->device)->card_type >= NV_50) {
+               for (i = 0; i < dev->mode_config.num_crtc; i++) {
+                       struct nouveau_bo *bo = nv50_display_crtc_sema(dev, i);
+                       nouveau_bo_vma_del(bo, &fctx->dispc_vma[i]);
+               }
+       }
 
        nouveau_bo_vma_del(priv->bo, &fctx->vma);
        nouveau_fence_context_del(&fctx->base);
-       chan->engctx[engine] = NULL;
+       chan->fence = NULL;
        kfree(fctx);
 }
 
 static int
-nvc0_fence_context_new(struct nouveau_channel *chan, int engine)
+nvc0_fence_context_new(struct nouveau_channel *chan)
 {
-       struct nvc0_fence_priv *priv = nv_engine(chan->dev, engine);
+       struct nouveau_fifo_chan *fifo = (void *)chan->object;
+       struct nouveau_client *client = nouveau_client(fifo);
+       struct nvc0_fence_priv *priv = chan->drm->fence;
        struct nvc0_fence_chan *fctx;
-       int ret;
+       int ret, i;
 
-       fctx = chan->engctx[engine] = kzalloc(sizeof(*fctx), GFP_KERNEL);
+       fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
        if (!fctx)
                return -ENOMEM;
 
        nouveau_fence_context_new(&fctx->base);
 
-       ret = nouveau_bo_vma_add(priv->bo, chan->vm, &fctx->vma);
+       ret = nouveau_bo_vma_add(priv->bo, client->vm, &fctx->vma);
        if (ret)
-               nvc0_fence_context_del(chan, engine);
+               nvc0_fence_context_del(chan);
+
+       /* map display semaphore buffers into channel's vm */
+       for (i = 0; !ret && i < chan->drm->dev->mode_config.num_crtc; i++) {
+               struct nouveau_bo *bo;
+               if (nv_device(chan->drm->device)->card_type >= NV_D0)
+                       bo = nvd0_display_crtc_sema(chan->drm->dev, i);
+               else
+                       bo = nv50_display_crtc_sema(chan->drm->dev, i);
 
-       nouveau_bo_wr32(priv->bo, chan->id * 16/4, 0x00000000);
+               ret = nouveau_bo_vma_add(bo, client->vm, &fctx->dispc_vma[i]);
+       }
+
+       nouveau_bo_wr32(priv->bo, fifo->chid * 16/4, 0x00000000);
        return ret;
 }
 
-static int
-nvc0_fence_fini(struct drm_device *dev, int engine, bool suspend)
+static bool
+nvc0_fence_suspend(struct nouveau_drm *drm)
 {
-       return 0;
+       struct nouveau_fifo *pfifo = nouveau_fifo(drm->device);
+       struct nvc0_fence_priv *priv = drm->fence;
+       int i;
+
+       priv->suspend = vmalloc((pfifo->max + 1) * sizeof(u32));
+       if (priv->suspend) {
+               for (i = 0; i <= pfifo->max; i++)
+                       priv->suspend[i] = nouveau_bo_rd32(priv->bo, i);
+       }
+
+       return priv->suspend != NULL;
 }
 
-static int
-nvc0_fence_init(struct drm_device *dev, int engine)
+static void
+nvc0_fence_resume(struct nouveau_drm *drm)
 {
-       return 0;
+       struct nouveau_fifo *pfifo = nouveau_fifo(drm->device);
+       struct nvc0_fence_priv *priv = drm->fence;
+       int i;
+
+       if (priv->suspend) {
+               for (i = 0; i <= pfifo->max; i++)
+                       nouveau_bo_wr32(priv->bo, i, priv->suspend[i]);
+               vfree(priv->suspend);
+               priv->suspend = NULL;
+       }
 }
 
 static void
-nvc0_fence_destroy(struct drm_device *dev, int engine)
+nvc0_fence_destroy(struct nouveau_drm *drm)
 {
-       struct drm_nouveau_private *dev_priv = dev->dev_private;
-       struct nvc0_fence_priv *priv = nv_engine(dev, engine);
-
+       struct nvc0_fence_priv *priv = drm->fence;
        nouveau_bo_unmap(priv->bo);
        nouveau_bo_ref(NULL, &priv->bo);
-       dev_priv->eng[engine] = NULL;
+       drm->fence = NULL;
        kfree(priv);
 }
 
 int
-nvc0_fence_create(struct drm_device *dev)
+nvc0_fence_create(struct nouveau_drm *drm)
 {
-       struct nouveau_fifo_priv *pfifo = nv_engine(dev, NVOBJ_ENGINE_FIFO);
-       struct drm_nouveau_private *dev_priv = dev->dev_private;
+       struct nouveau_fifo *pfifo = nouveau_fifo(drm->device);
        struct nvc0_fence_priv *priv;
        int ret;
 
-       priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+       priv = drm->fence = kzalloc(sizeof(*priv), GFP_KERNEL);
        if (!priv)
                return -ENOMEM;
 
-       priv->base.engine.destroy = nvc0_fence_destroy;
-       priv->base.engine.init = nvc0_fence_init;
-       priv->base.engine.fini = nvc0_fence_fini;
-       priv->base.engine.context_new = nvc0_fence_context_new;
-       priv->base.engine.context_del = nvc0_fence_context_del;
+       priv->base.dtor = nvc0_fence_destroy;
+       priv->base.suspend = nvc0_fence_suspend;
+       priv->base.resume = nvc0_fence_resume;
+       priv->base.context_new = nvc0_fence_context_new;
+       priv->base.context_del = nvc0_fence_context_del;
        priv->base.emit = nvc0_fence_emit;
        priv->base.sync = nvc0_fence_sync;
        priv->base.read = nvc0_fence_read;
-       dev_priv->eng[NVOBJ_ENGINE_FENCE] = &priv->base.engine;
 
-       ret = nouveau_bo_new(dev, 16 * pfifo->channels, 0, TTM_PL_FLAG_VRAM,
-                            0, 0, NULL, &priv->bo);
+       ret = nouveau_bo_new(drm->dev, 16 * (pfifo->max + 1), 0,
+                            TTM_PL_FLAG_VRAM, 0, 0, NULL, &priv->bo);
        if (ret == 0) {
                ret = nouveau_bo_pin(priv->bo, TTM_PL_FLAG_VRAM);
                if (ret == 0)
@@ -179,6 +239,6 @@ nvc0_fence_create(struct drm_device *dev)
        }
 
        if (ret)
-               nvc0_fence_destroy(dev, NVOBJ_ENGINE_FENCE);
+               nvc0_fence_destroy(drm);
        return ret;
 }