From 3fc444a5e8e35ffec7a1426c80c9644e5777ddbe Mon Sep 17 00:00:00 2001 From: Maarten Maathuis Date: Thu, 3 Apr 2008 01:13:31 +0200 Subject: nv50: primitive display interrupt handler. --- shared-core/nouveau_irq.c | 13 +++++++++++++ shared-core/nouveau_reg.h | 4 ++++ 2 files changed, 17 insertions(+) (limited to 'shared-core') diff --git a/shared-core/nouveau_irq.c b/shared-core/nouveau_irq.c index bceb81ab..ba3e1aa4 100644 --- a/shared-core/nouveau_irq.c +++ b/shared-core/nouveau_irq.c @@ -446,6 +446,14 @@ 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; + + NV_WRITE(NV50_DISPLAY_SUPERVISOR, NV_READ(NV50_DISPLAY_SUPERVISOR)); +} + irqreturn_t nouveau_irq_handler(DRM_IRQ_ARGS) { @@ -472,6 +480,11 @@ 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) DRM_ERROR("Unhandled PMC INTR status bits 0x%08x\n", status); diff --git a/shared-core/nouveau_reg.h b/shared-core/nouveau_reg.h index 2f7d77cf..2594b9a7 100644 --- a/shared-core/nouveau_reg.h +++ b/shared-core/nouveau_reg.h @@ -87,6 +87,7 @@ # define NV_PMC_INTR_0_PGRAPH_PENDING (1<<12) # define NV_PMC_INTR_0_CRTC0_PENDING (1<<24) # define NV_PMC_INTR_0_CRTC1_PENDING (1<<25) +# define NV_PMC_INTR_0_NV50_DISPLAY_PENDING (1<<26) # define NV_PMC_INTR_0_CRTCn_PENDING (3<<24) #define NV03_PMC_INTR_EN_0 0x00000140 # define NV_PMC_INTR_EN_0_MASTER_ENABLE (1<< 0) @@ -535,6 +536,9 @@ #define NV_CRTC1_INTEN 0x00602140 # define NV_CRTC_INTR_VBLANK (1<<0) +/* This name is a partial guess. */ +#define NV50_DISPLAY_SUPERVISOR 0x00610024 + /* Fifo commands. These are not regs, neither masks */ #define NV03_FIFO_CMD_JUMP 0x20000000 #define NV03_FIFO_CMD_JUMP_OFFSET_MASK 0x1ffffffc -- cgit v1.2.3