From 0ade74b6c6843892b52e6c2a4ac02183242eec27 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 8 May 2012 11:22:27 +1000 Subject: [PATCH] drm/nv50: extend vblank semaphore to generic dmaobj + offset pair Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_drv.h | 1 - drivers/gpu/drm/nouveau/nouveau_notifier.c | 18 ---------------- drivers/gpu/drm/nouveau/nouveau_software.h | 22 ++++--------------- drivers/gpu/drm/nouveau/nv50_display.c | 25 +++++++++++++++++++++- drivers/gpu/drm/nouveau/nv50_software.c | 19 ++++------------ 5 files changed, 32 insertions(+), 53 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index a5dc9849512..03da3837355 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -910,7 +910,6 @@ extern void nouveau_notifier_takedown_channel(struct nouveau_channel *); extern int nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle, int cout, uint32_t start, uint32_t end, uint32_t *offset); -extern int nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *); /* nouveau_channel.c */ extern void nouveau_channel_cleanup(struct drm_device *, struct drm_file *); diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c index aa549155dcc..69c93b86451 100644 --- a/drivers/gpu/drm/nouveau/nouveau_notifier.c +++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c @@ -161,21 +161,3 @@ nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle, *b_offset = mem->start; return 0; } - -int -nouveau_notifier_offset(struct nouveau_gpuobj *nobj, uint32_t *poffset) -{ - if (!nobj || nobj->dtor != nouveau_notifier_gpuobj_dtor) - return -EINVAL; - - if (poffset) { - struct drm_mm_node *mem = nobj->priv; - - if (*poffset >= mem->size) - return false; - - *poffset += mem->start; - } - - return 0; -} diff --git a/drivers/gpu/drm/nouveau/nouveau_software.h b/drivers/gpu/drm/nouveau/nouveau_software.h index e60bc6ce900..9914cf154f6 100644 --- a/drivers/gpu/drm/nouveau/nouveau_software.h +++ b/drivers/gpu/drm/nouveau/nouveau_software.h @@ -4,36 +4,21 @@ struct nouveau_software_priv { struct nouveau_exec_engine base; struct list_head vblank; + spinlock_t peephole_lock; }; struct nouveau_software_chan { struct list_head flip; struct { struct list_head list; - struct nouveau_bo *bo; + u32 channel; + u32 ctxdma; u32 offset; u32 value; u32 head; } vblank; }; -static inline void -nouveau_software_vblank(struct drm_device *dev, int crtc) -{ - struct nouveau_software_priv *psw = nv_engine(dev, NVOBJ_ENGINE_SW); - struct nouveau_software_chan *pch, *tmp; - - list_for_each_entry_safe(pch, tmp, &psw->vblank, vblank.list) { - if (pch->vblank.head != crtc) - continue; - - nouveau_bo_wr32(pch->vblank.bo, pch->vblank.offset, - pch->vblank.value); - list_del(&pch->vblank.list); - drm_vblank_put(dev, crtc); - } -} - static inline void nouveau_software_context_new(struct nouveau_software_chan *pch) { @@ -44,6 +29,7 @@ static inline void nouveau_software_create(struct nouveau_software_priv *psw) { INIT_LIST_HEAD(&psw->vblank); + spin_lock_init(&psw->peephole_lock); } static inline u16 diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 5c41612723b..b244d9968c5 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -646,7 +646,30 @@ nv50_display_script_select(struct drm_device *dev, struct dcb_entry *dcb, static void nv50_display_vblank_crtc_handler(struct drm_device *dev, int crtc) { - nouveau_software_vblank(dev, crtc); + struct drm_nouveau_private *dev_priv = dev->dev_private; + struct nouveau_software_priv *psw = nv_engine(dev, NVOBJ_ENGINE_SW); + struct nouveau_software_chan *pch, *tmp; + + list_for_each_entry_safe(pch, tmp, &psw->vblank, vblank.list) { + if (pch->vblank.head != crtc) + continue; + + spin_lock(&psw->peephole_lock); + nv_wr32(dev, 0x001704, pch->vblank.channel); + nv_wr32(dev, 0x001710, 0x80000000 | pch->vblank.ctxdma); + if (dev_priv->chipset == 0x50) { + nv_wr32(dev, 0x001570, pch->vblank.offset); + nv_wr32(dev, 0x001574, pch->vblank.value); + } else { + nv_wr32(dev, 0x060010, pch->vblank.offset); + nv_wr32(dev, 0x060014, pch->vblank.value); + } + spin_unlock(&psw->peephole_lock); + + list_del(&pch->vblank.list); + drm_vblank_put(dev, crtc); + } + drm_handle_vblank(dev, crtc); } diff --git a/drivers/gpu/drm/nouveau/nv50_software.c b/drivers/gpu/drm/nouveau/nv50_software.c index 114d2517d4a..df554d9dacb 100644 --- a/drivers/gpu/drm/nouveau/nv50_software.c +++ b/drivers/gpu/drm/nouveau/nv50_software.c @@ -36,9 +36,6 @@ struct nv50_software_priv { struct nv50_software_chan { struct nouveau_software_chan base; - struct { - struct nouveau_gpuobj *object; - } vblank; }; static int @@ -51,11 +48,7 @@ mthd_dma_vblsem(struct nouveau_channel *chan, u32 class, u32 mthd, u32 data) if (!gpuobj) return -ENOENT; - if (nouveau_notifier_offset(gpuobj, NULL)) - return -EINVAL; - - pch->vblank.object = gpuobj; - pch->base.vblank.offset = ~0; + pch->base.vblank.ctxdma = gpuobj->cinst >> 4; return 0; } @@ -63,11 +56,7 @@ static int mthd_vblsem_offset(struct nouveau_channel *chan, u32 class, u32 mthd, u32 data) { struct nv50_software_chan *pch = chan->engctx[NVOBJ_ENGINE_SW]; - - if (nouveau_notifier_offset(pch->vblank.object, &data)) - return -ERANGE; - - pch->base.vblank.offset = data >> 2; + pch->base.vblank.offset = data; return 0; } @@ -86,7 +75,7 @@ mthd_vblsem_release(struct nouveau_channel *chan, u32 class, u32 mthd, u32 data) struct nv50_software_chan *pch = chan->engctx[NVOBJ_ENGINE_SW]; struct drm_device *dev = chan->dev; - if (!pch->vblank.object || pch->base.vblank.offset == ~0 || data > 1) + if (data > 1) return -EINVAL; drm_vblank_get(dev, data); @@ -116,7 +105,7 @@ nv50_software_context_new(struct nouveau_channel *chan, int engine) return -ENOMEM; nouveau_software_context_new(&pch->base); - pch->base.vblank.bo = chan->notifier_bo; + pch->base.vblank.channel = chan->ramin->vinst >> 12; chan->engctx[engine] = pch; /* dma objects for display sync channel semaphore blocks */ -- 2.41.0