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author | Ben Skeggs <bskeggs@redhat.com> | 2010-10-19 01:14:17 (GMT) |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2010-12-03 05:10:50 (GMT) |
commit | 106ddad5aa8e8e03503cea05f9a64611f849952f (patch) | |
tree | 8828a6937d3ae3c5bffab1d88840d2b038955b5b /drivers/gpu/drm/nouveau/nv50_display.c | |
parent | f4512e6579ddaa9b1f8ab1d5659131243ffc421f (diff) | |
download | linux-fsl-qoriq-106ddad5aa8e8e03503cea05f9a64611f849952f.tar.xz |
drm/nv50: clearer separation of the stages of evo init
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 | 93 |
1 files changed, 50 insertions, 43 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 7ac87ef..7c9c7c5 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -225,6 +225,7 @@ nv50_display_init(struct drm_device *dev) NV_DEBUG_KMS(dev, "\n"); nv_wr32(dev, 0x00610184, nv_rd32(dev, 0x00614004)); + /* * I think the 0x006101XX range is some kind of main control area * that enables things. @@ -240,16 +241,19 @@ nv50_display_init(struct drm_device *dev) val = nv_rd32(dev, 0x0061610c + (i * 0x800)); nv_wr32(dev, 0x0061019c + (i * 0x10), val); } + /* DAC */ for (i = 0; i < 3; i++) { val = nv_rd32(dev, 0x0061a000 + (i * 0x800)); nv_wr32(dev, 0x006101d0 + (i * 0x04), val); } + /* SOR */ for (i = 0; i < nv50_sor_nr(dev); i++) { val = nv_rd32(dev, 0x0061c000 + (i * 0x800)); nv_wr32(dev, 0x006101e0 + (i * 0x04), val); } + /* EXT */ for (i = 0; i < 3; i++) { val = nv_rd32(dev, 0x0061e000 + (i * 0x800)); @@ -276,6 +280,49 @@ nv50_display_init(struct drm_device *dev) } } + for (i = 0; i < 2; i++) { + nv_wr32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i), 0x2000); + if (!nv_wait(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i), + NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS, 0)) { + NV_ERROR(dev, "timeout: CURSOR_CTRL2_STATUS == 0\n"); + NV_ERROR(dev, "CURSOR_CTRL2 = 0x%08x\n", + nv_rd32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i))); + return -EBUSY; + } + + nv_wr32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i), + NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_ON); + if (!nv_wait(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i), + NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS, + NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS_ACTIVE)) { + NV_ERROR(dev, "timeout: " + "CURSOR_CTRL2_STATUS_ACTIVE(%d)\n", i); + NV_ERROR(dev, "CURSOR_CTRL2(%d) = 0x%08x\n", i, + nv_rd32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i))); + return -EBUSY; + } + } + + nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9); + nv_wr32(dev, NV50_PDISPLAY_PIO_CTRL, 0x00000000); + nv_wr32(dev, 0x610028, 0x00000000); + nv_mask(dev, NV50_PDISPLAY_INTR_0, 0x00000000, 0x00000000); + nv_mask(dev, NV50_PDISPLAY_INTR_1, 0x00000000, 0x00000000); + nv_wr32(dev, NV50_PDISPLAY_INTR_EN, + NV50_PDISPLAY_INTR_EN_CLK_UNK10 | + NV50_PDISPLAY_INTR_EN_CLK_UNK20 | + NV50_PDISPLAY_INTR_EN_CLK_UNK40); + + /* enable hotplug interrupts */ + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + struct nouveau_connector *conn = nouveau_connector(connector); + + if (conn->dcb->gpio_tag == 0xff) + continue; + + pgpio->irq_enable(dev, conn->dcb->gpio_tag, true); + } + /* taken from nv bug #12637, attempts to un-wedge the hw if it's * stuck in some unspecified state */ @@ -297,7 +344,6 @@ nv50_display_init(struct drm_device *dev) } } - nv_wr32(dev, NV50_PDISPLAY_CTRL_STATE, NV50_PDISPLAY_CTRL_STATE_ENABLE); nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x1000b03); if (!nv_wait(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x40000000, 0x40000000)) { @@ -307,31 +353,6 @@ nv50_display_init(struct drm_device *dev) return -EBUSY; } - for (i = 0; i < 2; i++) { - nv_wr32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i), 0x2000); - if (!nv_wait(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i), - NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS, 0)) { - NV_ERROR(dev, "timeout: CURSOR_CTRL2_STATUS == 0\n"); - NV_ERROR(dev, "CURSOR_CTRL2 = 0x%08x\n", - nv_rd32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i))); - return -EBUSY; - } - - nv_wr32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i), - NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_ON); - if (!nv_wait(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i), - NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS, - NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS_ACTIVE)) { - NV_ERROR(dev, "timeout: " - "CURSOR_CTRL2_STATUS_ACTIVE(%d)\n", i); - NV_ERROR(dev, "CURSOR_CTRL2(%d) = 0x%08x\n", i, - nv_rd32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(i))); - return -EBUSY; - } - } - - nv_wr32(dev, NV50_PDISPLAY_OBJECTS, (evo->ramin->vinst >> 8) | 9); - /* initialise fifo */ nv_wr32(dev, NV50_PDISPLAY_CHANNEL_DMA_CB(0), ((evo->pushbuf_bo->bo.mem.start << PAGE_SHIFT) >> 8) | @@ -350,7 +371,9 @@ nv50_display_init(struct drm_device *dev) nv_wr32(dev, NV50_PDISPLAY_USER_PUT(0), 0); nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x01000003 | NV50_PDISPLAY_CHANNEL_STAT_DMA_ENABLED); - nv_wr32(dev, 0x610300, nv_rd32(dev, 0x610300) & ~1); + + /* enable error reporting on the channel */ + nv_mask(dev, 0x610028, 0x00000000, 0x00010001 << 0); evo->dma.max = (4096/4) - 2; evo->dma.put = 0; @@ -382,21 +405,6 @@ nv50_display_init(struct drm_device *dev) if (!nv_wait(dev, 0x640004, 0xffffffff, evo->dma.put << 2)) NV_ERROR(dev, "evo pushbuf stalled\n"); - /* enable clock change interrupts. */ - nv_wr32(dev, 0x610028, 0x00010001); - nv_wr32(dev, NV50_PDISPLAY_INTR_EN, (NV50_PDISPLAY_INTR_EN_CLK_UNK10 | - NV50_PDISPLAY_INTR_EN_CLK_UNK20 | - NV50_PDISPLAY_INTR_EN_CLK_UNK40)); - - /* enable hotplug interrupts */ - list_for_each_entry(connector, &dev->mode_config.connector_list, head) { - struct nouveau_connector *conn = nouveau_connector(connector); - - if (conn->dcb->gpio_tag == 0xff) - continue; - - pgpio->irq_enable(dev, conn->dcb->gpio_tag, true); - } return 0; } @@ -442,7 +450,6 @@ static int nv50_display_disable(struct drm_device *dev) } nv_wr32(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0); - nv_wr32(dev, NV50_PDISPLAY_CTRL_STATE, 0); if (!nv_wait(dev, NV50_PDISPLAY_CHANNEL_STAT(0), 0x1e0000, 0)) { NV_ERROR(dev, "timeout: (0x610200 & 0x1e0000) == 0\n"); NV_ERROR(dev, "0x610200 = 0x%08x\n", |