drm/nv50: support PMPEG on original nv50

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 3999f25..f316157 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -620,7 +620,7 @@ nouveau_card_init(struct drm_device *dev)
        if (dev_priv->card_type == NV_40)
                nv40_mpeg_create(dev);
        else
-       if (dev_priv->card_type == NV_50 && dev_priv->chipset > 0x50 &&
+       if (dev_priv->card_type == NV_50 &&
            (dev_priv->chipset < 0x98 || dev_priv->chipset == 0xa0))
                nv50_mpeg_create(dev);
 

diff --git a/drivers/gpu/drm/nouveau/nv50_mpeg.c b/drivers/gpu/drm/nouveau/nv50_mpeg.c
index 82666bc..1dc5913 100644 (file)
--- a/drivers/gpu/drm/nouveau/nv50_mpeg.c
+++ b/drivers/gpu/drm/nouveau/nv50_mpeg.c
@@ -30,6 +30,19 @@ struct nv50_mpeg_engine {
        struct nouveau_exec_engine base;
 };
 
+static inline u32
+CTX_PTR(struct drm_device *dev, u32 offset)
+{
+       struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+       if (dev_priv->chipset == 0x50)
+               offset += 0x0260;
+       else
+               offset += 0x0060;
+
+       return offset;
+}
+
 static int
 nv50_mpeg_context_new(struct nouveau_channel *chan, int engine)
 {
@@ -46,12 +59,12 @@ nv50_mpeg_context_new(struct nouveau_channel *chan, int engine)
        if (ret)
                return ret;
 
-       nv_wo32(ramin, 0x60, 0x80190002);
-       nv_wo32(ramin, 0x64, ctx->vinst + ctx->size - 1);
-       nv_wo32(ramin, 0x68, ctx->vinst);
-       nv_wo32(ramin, 0x6c, 0);
-       nv_wo32(ramin, 0x70, 0);
-       nv_wo32(ramin, 0x74, 0x00010000);
+       nv_wo32(ramin, CTX_PTR(dev, 0x00), 0x80190002);
+       nv_wo32(ramin, CTX_PTR(dev, 0x04), ctx->vinst + ctx->size - 1);
+       nv_wo32(ramin, CTX_PTR(dev, 0x08), ctx->vinst);
+       nv_wo32(ramin, CTX_PTR(dev, 0x0c), 0);
+       nv_wo32(ramin, CTX_PTR(dev, 0x10), 0);
+       nv_wo32(ramin, CTX_PTR(dev, 0x14), 0x00010000);
 
        nv_wo32(ctx, 0x70, 0x00801ec1);
        nv_wo32(ctx, 0x7c, 0x0000037c);
@@ -83,8 +96,8 @@ nv50_mpeg_context_del(struct nouveau_channel *chan, int engine)
        nv_mask(dev, 0x00b32c, 0x00000001, 0x00000001);
        spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
 
-       for (i = 0x60; i <= 0x74; i += 4)
-               nv_wo32(chan->ramin, i, 0x00000000);
+       for (i = 0x00; i <= 0x14; i += 4)
+               nv_wo32(chan->ramin, CTX_PTR(dev, i), 0x00000000);
        nouveau_gpuobj_ref(NULL, &ctx);
        chan->engctx[engine] = NULL;
 }
@@ -183,6 +196,19 @@ nv50_mpeg_isr(struct drm_device *dev)
 }
 
 static void
+nv50_vpe_isr(struct drm_device *dev)
+{
+       if (nv_rd32(dev, 0x00b100))
+               nv50_mpeg_isr(dev);
+
+       if (nv_rd32(dev, 0x00b800)) {
+               u32 stat = nv_rd32(dev, 0x00b800);
+               NV_INFO(dev, "PMSRCH: 0x%08x\n", stat);
+               nv_wr32(dev, 0xb800, stat);
+       }
+}
+
+static void
 nv50_mpeg_destroy(struct drm_device *dev, int engine)
 {
        struct nv50_mpeg_engine *pmpeg = nv_engine(dev, engine);
@@ -196,6 +222,7 @@ nv50_mpeg_destroy(struct drm_device *dev, int engine)
 int
 nv50_mpeg_create(struct drm_device *dev)
 {
+       struct drm_nouveau_private *dev_priv = dev->dev_private;
        struct nv50_mpeg_engine *pmpeg;
 
        pmpeg = kzalloc(sizeof(*pmpeg), GFP_KERNEL);
@@ -210,10 +237,20 @@ nv50_mpeg_create(struct drm_device *dev)
        pmpeg->base.object_new = nv50_mpeg_object_new;
        pmpeg->base.tlb_flush = nv50_mpeg_tlb_flush;
 
-       nouveau_irq_register(dev, 0, nv50_mpeg_isr);
+       if (dev_priv->chipset == 0x50) {
+               nouveau_irq_register(dev, 0, nv50_vpe_isr);
+               NVOBJ_ENGINE_ADD(dev, MPEG, &pmpeg->base);
+               NVOBJ_CLASS(dev, 0x3174, MPEG);
+#if 0
+               NVOBJ_ENGINE_ADD(dev, ME, &pme->base);
+               NVOBJ_CLASS(dev, 0x4075, ME);
+#endif
+       } else {
+               nouveau_irq_register(dev, 0, nv50_mpeg_isr);
+               NVOBJ_ENGINE_ADD(dev, MPEG, &pmpeg->base);
+               NVOBJ_CLASS(dev, 0x8274, MPEG);
+       }
 
-       NVOBJ_ENGINE_ADD(dev, MPEG, &pmpeg->base);
-       NVOBJ_CLASS(dev, 0x8274, MPEG);
        return 0;
 
 }