diff options
Diffstat (limited to 'shared-core/nouveau_irq.c')
| -rw-r--r-- | shared-core/nouveau_irq.c | 91 |
1 files changed, 86 insertions, 5 deletions
diff --git a/shared-core/nouveau_irq.c b/shared-core/nouveau_irq.c index 2a3d8a0b..48872622 100644 --- a/shared-core/nouveau_irq.c +++ b/shared-core/nouveau_irq.c @@ -37,6 +37,13 @@ #include "nouveau_reg.h" #include "nouveau_swmthd.h" +/* needed for interrupt based vpll changes */ +#include "nv50_display.h" +#include "nv50_crtc.h" +#include "nv50_output.h" +/* needed for hotplug irq */ +#include "nv50_kms_wrapper.h" + void nouveau_irq_preinstall(struct drm_device *dev) { @@ -503,11 +510,82 @@ 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); + uint32_t val = NV_READ(NV50_PDISPLAY_SUPERVISOR); + + DRM_INFO("NV50_PDISPLAY_SUPERVISOR - 0x%08X\n", val); + + /* vblank interrupts */ + if (val & NV50_PDISPLAY_SUPERVISOR_CRTCn) { + NV_WRITE(NV50_PDISPLAY_SUPERVISOR, val & NV50_PDISPLAY_SUPERVISOR_CRTCn); + val &= ~NV50_PDISPLAY_SUPERVISOR_CRTCn; + } + + /* clock setting amongst other things. */ + if (val & NV50_PDISPLAY_SUPERVISOR_CLK_MASK) { + uint32_t state = (val & NV50_PDISPLAY_SUPERVISOR_CLK_MASK) >> NV50_PDISPLAY_SUPERVISOR_CLK_MASK__SHIFT; + + NV50_DEBUG("state %d\n", state); + + /* Set pll */ + if (state == 2) { + struct nv50_display *display = nv50_get_display(dev); + struct nv50_output *output = NULL; + struct nv50_crtc *crtc = NULL; + int crtc_index; + + uint32_t unk30 = NV_READ(NV50_PDISPLAY_UNK30_CTRL); + + for (crtc_index = 0; crtc_index < 2; crtc_index++) { + bool clock_change = false; + bool clock_ack = false; + + if (crtc_index == 0 && (unk30 & NV50_PDISPLAY_UNK30_CTRL_UPDATE_VCLK0)) + clock_change = true; + + if (crtc_index == 1 && (unk30 & NV50_PDISPLAY_UNK30_CTRL_UPDATE_VCLK1)) + clock_change = true; + + if (clock_change) + clock_ack = true; + + if (display->last_crtc == crtc_index) + clock_ack = true; - DRM_INFO("NV50_DISPLAY_INTR - 0x%08X\n", val); + list_for_each_entry(crtc, &display->crtcs, item) { + if (crtc->index == crtc_index) + break; + } - NV_WRITE(NV50_DISPLAY_SUPERVISOR, val); + if (clock_change) + crtc->set_clock(crtc); + + NV50_DEBUG("index %d clock_change %d clock_ack %d\n", crtc_index, clock_change, clock_ack); + + if (!clock_ack) + continue; + + crtc->set_clock_mode(crtc); + + list_for_each_entry(output, &display->outputs, item) { + if (!output->crtc) + continue; + + if (output->crtc == crtc) + output->set_clock_mode(output); + } + } + } + + NV_WRITE(NV50_PDISPLAY_UNK30_CTRL, NV50_PDISPLAY_UNK30_CTRL_PENDING); + NV_WRITE(NV50_PDISPLAY_SUPERVISOR, val & NV50_PDISPLAY_SUPERVISOR_CLK_MASK); + + val &= ~NV50_PDISPLAY_SUPERVISOR_CLK_MASK; + } + + if (val) + DRM_ERROR("unsupported NV50_DISPLAY_INTR - 0x%08X\n", val); + + NV_WRITE(NV50_PDISPLAY_SUPERVISOR, val); } static void @@ -515,10 +593,13 @@ 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)); + DRM_INFO("NV50_PCONNECTOR_HOTPLUG_CTRL - 0x%08X\n", NV_READ(NV50_PCONNECTOR_HOTPLUG_CTRL)); /* This seems to be the way to acknowledge an interrupt. */ - NV_WRITE(NV50_I2C_CONTROLLER, 0x7FFF7FFF); + NV_WRITE(NV50_PCONNECTOR_HOTPLUG_CTRL, 0x7FFF7FFF); + + /* Do a "dumb" detect all */ + nv50_kms_connector_detect_all(dev); } irqreturn_t |