diff options
Diffstat (limited to 'shared-core/nouveau_irq.c')
| -rw-r--r-- | shared-core/nouveau_irq.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/shared-core/nouveau_irq.c b/shared-core/nouveau_irq.c index bceb81ab..ec158d82 100644 --- a/shared-core/nouveau_irq.c +++ b/shared-core/nouveau_irq.c @@ -446,6 +446,28 @@ nouveau_crtc_irq_handler(struct drm_device *dev, int crtc) } } +static void +nouveau_nv50_display_irq_handler(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + uint32_t val = NV_READ(NV50_DISPLAY_SUPERVISOR); + + DRM_INFO("NV50_DISPLAY_INTR - 0x%08X\n", val); + + NV_WRITE(NV50_DISPLAY_SUPERVISOR, val); +} + +static void +nouveau_nv50_i2c_irq_handler(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + DRM_INFO("NV50_I2C_INTR - 0x%08X\n", NV_READ(NV50_I2C_CONTROLLER)); + + /* This seems to be the way to acknowledge an interrupt. */ + NV_WRITE(NV50_I2C_CONTROLLER, 0x7FFF7FFF); +} + irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS) { @@ -472,6 +494,16 @@ nouveau_irq_handler(DRM_IRQ_ARGS) status &= ~NV_PMC_INTR_0_CRTCn_PENDING; } + if (status & NV_PMC_INTR_0_NV50_DISPLAY_PENDING) { + nouveau_nv50_display_irq_handler(dev); + status &= ~NV_PMC_INTR_0_NV50_DISPLAY_PENDING; + } + + if (status & NV_PMC_INTR_0_NV50_I2C_PENDING) { + nouveau_nv50_i2c_irq_handler(dev); + status &= ~NV_PMC_INTR_0_NV50_I2C_PENDING; + } + if (status) DRM_ERROR("Unhandled PMC INTR status bits 0x%08x\n", status); |