diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2011-07-05 04:16:05 (GMT) |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-09-20 06:06:24 (GMT) |
| commit | 270a5747802d4cf43b91b9e03cccb1fb5d5e8a34 (patch) | |
| tree | f37959aa5f1c2965e27fd4557440983c762e6557 /drivers | |
| parent | 83fc083cbbe0147519b1a62770171041c19e8752 (diff) | |
| download | linux-fsl-qoriq-270a5747802d4cf43b91b9e03cccb1fb5d5e8a34.tar.xz | |
drm/nvd0/disp: skeletal handling of modeset interrupts
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvd0_display.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c index 3a2a4bb..65e48f9 100644 --- a/drivers/gpu/drm/nouveau/nvd0_display.c +++ b/drivers/gpu/drm/nouveau/nvd0_display.c @@ -269,6 +269,42 @@ nvd0_sor_create(struct drm_connector *connector, struct dcb_entry *dcbe) * IRQ *****************************************************************************/ static void +nvd0_display_unk1_handler(struct drm_device *dev) +{ + u32 unk0 = nv_rd32(dev, 0x6101d0); + + NV_INFO(dev, "PDISP: unk1 0x%08x\n", unk0); + + nv_wr32(dev, 0x6101d4, 0x00000000); + nv_wr32(dev, 0x6109d4, 0x00000000); + nv_wr32(dev, 0x6101d0, 0x80000000); +} + +static void +nvd0_display_unk2_handler(struct drm_device *dev) +{ + u32 unk0 = nv_rd32(dev, 0x6101d0); + + NV_INFO(dev, "PDISP: unk2 0x%08x\n", unk0); + + nv_wr32(dev, 0x6101d4, 0x00000000); + nv_wr32(dev, 0x6109d4, 0x00000000); + nv_wr32(dev, 0x6101d0, 0x80000000); +} + +static void +nvd0_display_unk4_handler(struct drm_device *dev) +{ + u32 unk0 = nv_rd32(dev, 0x6101d0); + + NV_INFO(dev, "PDISP: unk4 0x%08x\n", unk0); + + nv_wr32(dev, 0x6101d4, 0x00000000); + nv_wr32(dev, 0x6109d4, 0x00000000); + nv_wr32(dev, 0x6101d0, 0x80000000); +} + +static void nvd0_display_intr(struct drm_device *dev) { u32 intr = nv_rd32(dev, 0x610088); @@ -291,6 +327,29 @@ nvd0_display_intr(struct drm_device *dev) intr &= ~0x00000002; } + if (intr & 0x00100000) { + u32 stat = nv_rd32(dev, 0x6100ac); + + if (stat & 0x00000007) { + nv_wr32(dev, 0x6100ac, (stat & 0x00000007)); + + if (stat & 0x00000001) + nvd0_display_unk1_handler(dev); + if (stat & 0x00000002) + nvd0_display_unk2_handler(dev); + if (stat & 0x00000004) + nvd0_display_unk4_handler(dev); + stat &= ~0x00000007; + } + + if (stat) { + NV_INFO(dev, "PDISP: unknown intr24 0x%08x\n", stat); + nv_wr32(dev, 0x6100ac, stat); + } + + intr &= ~0x00100000; + } + if (intr & 0x01000000) { u32 stat = nv_rd32(dev, 0x6100bc); nv_wr32(dev, 0x6100bc, stat); @@ -354,6 +413,7 @@ nvd0_display_init(struct drm_device *dev) } nv_wr32(dev, 0x610010, (disp->mem->vinst >> 8) | 9); + nv_mask(dev, 0x6100b0, 0x00000307, 0x00000307); /* init master */ nv_wr32(dev, 0x610494, (disp->evo[0].handle >> 8) | 3); |