diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2013-02-14 09:28:37 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2013-02-20 16:00:51 +1000 |
| commit | a34caf78f26bda63869471cb3f46f354f4658758 (patch) | |
| tree | dc9b1ce9d37ea3d2f0c6a34f7e4c90cc5be3a8f0 /drivers/gpu/drm/nouveau/nv50_display.c | |
| parent | fa531bc8b4278010fd11819c089f6679890addee (diff) | |
| download | lwn-a34caf78f26bda63869471cb3f46f354f4658758.tar.gz lwn-a34caf78f26bda63869471cb3f46f354f4658758.zip | |
drm/nv84/fence: access fences with full virtual address, not offset
Allows most of the code to be shared between nv84/nvc0 implementations,
and paves the way for doing emit/sync on non-VRAM buffers (multi-gpu,
dma-buf).
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index c9da4f108924..102a8734d377 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -502,7 +502,7 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb, if (ret) return ret; - if (nv_mclass(chan->object) < NVC0_CHANNEL_IND_CLASS) { + if (nv_mclass(chan->object) < NV84_CHANNEL_IND_CLASS) { BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 2); OUT_RING (chan, NvEvoSema0 + nv_crtc->index); OUT_RING (chan, sync->sem.offset); @@ -512,24 +512,36 @@ nv50_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb, OUT_RING (chan, sync->sem.offset ^ 0x10); OUT_RING (chan, 0x74b1e000); BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 1); - if (nv_mclass(chan->object) < NV84_CHANNEL_DMA_CLASS) - OUT_RING (chan, NvSema); - else - OUT_RING (chan, chan->vram); + OUT_RING (chan, NvSema); + } else + if (nv_mclass(chan->object) < NVC0_CHANNEL_IND_CLASS) { + u64 offset = nv84_fence_crtc(chan, nv_crtc->index); + offset += sync->sem.offset; + + BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); + OUT_RING (chan, upper_32_bits(offset)); + OUT_RING (chan, lower_32_bits(offset)); + OUT_RING (chan, 0xf00d0000 | sync->sem.value); + OUT_RING (chan, 0x00000002); + BEGIN_NV04(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); + OUT_RING (chan, upper_32_bits(offset)); + OUT_RING (chan, lower_32_bits(offset ^ 0x10)); + OUT_RING (chan, 0x74b1e000); + OUT_RING (chan, 0x00000001); } else { - u64 offset = nvc0_fence_crtc(chan, nv_crtc->index); + u64 offset = nv84_fence_crtc(chan, nv_crtc->index); offset += sync->sem.offset; BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); OUT_RING (chan, upper_32_bits(offset)); OUT_RING (chan, lower_32_bits(offset)); OUT_RING (chan, 0xf00d0000 | sync->sem.value); - OUT_RING (chan, 0x1002); + OUT_RING (chan, 0x00001002); BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); OUT_RING (chan, upper_32_bits(offset)); OUT_RING (chan, lower_32_bits(offset ^ 0x10)); OUT_RING (chan, 0x74b1e000); - OUT_RING (chan, 0x1001); + OUT_RING (chan, 0x00001001); } FIRE_RING (chan); |