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| author | Ben Skeggs <bskeggs@redhat.com> | 2011-10-14 16:13:10 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-12-21 19:01:18 +1000 |
| commit | b98e3f5c9e42f70c171f67331773a575441eab3b (patch) | |
| tree | b5fe0dcb9dc6e8cc7b5442a0d44103f7fe7068f9 /drivers/gpu/drm/nouveau/nv50_display.c | |
| parent | e6e039d10d08fbdecbdcaf20f29bb7a8c8580d4b (diff) | |
| download | blackbird-op-linux-b98e3f5c9e42f70c171f67331773a575441eab3b.tar.gz blackbird-op-linux-b98e3f5c9e42f70c171f67331773a575441eab3b.zip | |
drm/nv50/disp: synchronise display right after init
This has the effect of ensuring the encoders which were active before we
loaded get disconnected properly before we start reprogramming them.
Also removing a bit of cargo-cult from the initial evo pushbuf.
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 | 29 |
1 files changed, 6 insertions, 23 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 80b220f4b125..a37e32e00ec8 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -210,31 +210,14 @@ nv50_display_init(struct drm_device *dev) nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9); - ret = RING_SPACE(evo, 15); + ret = RING_SPACE(evo, 3); if (ret) return ret; BEGIN_RING(evo, 0, NV50_EVO_UNK84, 2); - OUT_RING(evo, NV50_EVO_UNK84_NOTIFY_DISABLED); - OUT_RING(evo, NvEvoSync); - BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, FB_DMA), 1); - OUT_RING(evo, NV50_EVO_CRTC_FB_DMA_HANDLE_NONE); - BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, UNK0800), 1); - OUT_RING(evo, 0); - BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, DISPLAY_START), 1); - OUT_RING(evo, 0); - BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, UNK082C), 1); - OUT_RING(evo, 0); - /* required to make display sync channels not hate life */ - BEGIN_RING(evo, 0, NV50_EVO_CRTC(0, UNK900), 1); - OUT_RING (evo, 0x00000311); - BEGIN_RING(evo, 0, NV50_EVO_CRTC(1, UNK900), 1); - OUT_RING (evo, 0x00000311); - FIRE_RING(evo); - if (!nv_wait(dev, 0x640004, 0xffffffff, evo->dma.put << 2)) - NV_ERROR(dev, "evo pushbuf stalled\n"); - + OUT_RING (evo, NV50_EVO_UNK84_NOTIFY_DISABLED); + OUT_RING (evo, NvEvoSync); - return 0; + return nv50_display_sync(dev); } static int nv50_display_disable(struct drm_device *dev) @@ -754,8 +737,8 @@ nv50_display_unk20_handler(struct drm_device *dev) if (crtc >= 0) { pclk = nv_rd32(dev, NV50_PDISPLAY_CRTC_P(crtc, CLOCK)); pclk &= 0x003fffff; - - nv50_crtc_set_clock(dev, crtc, pclk); + if (pclk) + nv50_crtc_set_clock(dev, crtc, pclk); tmp = nv_rd32(dev, NV50_PDISPLAY_CRTC_CLK_CTRL2(crtc)); tmp &= ~0x000000f; |
