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drm/nvd0/disp: do modeset irq handling from tasklet 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-07-08 13:17:01 +10:00
parent 3b6d83d1b9
commit f20ce9629f
1 changed files with 22 additions and 7 deletions
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29
drivers/gpu/drm/nouveau/nvd0_display.c
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@ -44,9 +44,12 @@ struct nvd0_display {
dma_addr_t handle;
u32 *ptr;
} evo[1];
struct tasklet_struct tasklet;
struct {
struct dcb_entry *dis;
struct dcb_entry *ena;
u32 modeset;
int crtc;
int pclk;
u16 cfg;
@ -1114,9 +1117,24 @@ ack:
nv_wr32(dev, 0x6101d0, 0x80000000);
}
static void
nvd0_display_bh(unsigned long data)
{
struct drm_device *dev = (struct drm_device *)data;
struct nvd0_display *disp = nvd0_display(dev);
if (disp->irq.modeset & 0x00000001)
nvd0_display_unk1_handler(dev);
if (disp->irq.modeset & 0x00000002)
nvd0_display_unk2_handler(dev);
if (disp->irq.modeset & 0x00000004)
nvd0_display_unk4_handler(dev);
}
static void
nvd0_display_intr(struct drm_device *dev)
{
struct nvd0_display *disp = nvd0_display(dev);
u32 intr = nv_rd32(dev, 0x610088);
if (intr & 0x00000002) {
@ -1141,14 +1159,10 @@ nvd0_display_intr(struct drm_device *dev)
u32 stat = nv_rd32(dev, 0x6100ac);
if (stat & 0x00000007) {
nv_wr32(dev, 0x6100ac, (stat & 0x00000007));
disp->irq.modeset = stat;
tasklet_schedule(&disp->tasklet);
if (stat & 0x00000001)
nvd0_display_unk1_handler(dev);
if (stat & 0x00000002)
nvd0_display_unk2_handler(dev);
if (stat & 0x00000004)
nvd0_display_unk4_handler(dev);
nv_wr32(dev, 0x6100ac, (stat & 0x00000007));
stat &= ~0x00000007;
}
@ -1371,6 +1385,7 @@ nvd0_display_create(struct drm_device *dev)
}
/* setup interrupt handling */
tasklet_init(&disp->tasklet, nvd0_display_bh, (unsigned long)dev);
nouveau_irq_register(dev, 26, nvd0_display_intr);
/* hash table and dma objects for the memory areas we care about */