diff options
| author | Maarten Maathuis <madman2003@gmail.com> | 2008-06-27 01:16:36 +0200 |
|---|---|---|
| committer | Maarten Maathuis <madman2003@gmail.com> | 2008-06-27 01:16:36 +0200 |
| commit | 701011224c048e064295ee12e8a02f7f66d4175a (patch) | |
| tree | 41c4be9ad0ba52175c4c88e3f3651e5d77884972 /linux-core/nv50_dac.c | |
| parent | d88616555d2d3abc118f77d5556e14dd1512272b (diff) | |
NV50: Implement DPMS.
Diffstat (limited to 'linux-core/nv50_dac.c')
| -rw-r--r-- | linux-core/nv50_dac.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/linux-core/nv50_dac.c b/linux-core/nv50_dac.c index b237241e..f51ecf9d 100644 --- a/linux-core/nv50_dac.c +++ b/linux-core/nv50_dac.c @@ -96,6 +96,43 @@ static int nv50_dac_set_clock_mode(struct nv50_output *output) return 0; } +static int nv50_dac_set_power_mode(struct nv50_output *output, int mode) +{ + struct drm_nouveau_private *dev_priv = output->dev->dev_private; + uint32_t val; + int or = nv50_output_or_offset(output); + + NV50_DEBUG("or %d\n", or); + + /* wait for it to be done */ + while (NV_READ(NV50_PDISPLAY_DAC_REGS_DPMS_CTRL(or)) & NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_PENDING); + + val = NV_READ(NV50_PDISPLAY_DAC_REGS_DPMS_CTRL(or)) & ~0x7F; + + if (mode != DPMSModeOn) + val |= NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_BLANKED; + + switch (mode) { + case DPMSModeStandby: + val |= NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_HSYNC_OFF; + break; + case DPMSModeSuspend: + val |= NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_VSYNC_OFF; + break; + case DPMSModeOff: + val |= NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_OFF; + val |= NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_HSYNC_OFF; + val |= NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_VSYNC_OFF; + break; + default: + break; + } + + NV_WRITE(NV50_PDISPLAY_DAC_REGS_DPMS_CTRL(or), val | NV50_PDISPLAY_DAC_REGS_DPMS_CTRL_PENDING); + + return 0; +} + static int nv50_dac_destroy(struct nv50_output *output) { struct drm_device *dev = output->dev; @@ -172,6 +209,7 @@ int nv50_dac_create(struct drm_device *dev, int dcb_entry) output->validate_mode = nv50_dac_validate_mode; output->execute_mode = nv50_dac_execute_mode; output->set_clock_mode = nv50_dac_set_clock_mode; + output->set_power_mode = nv50_dac_set_power_mode; output->detect = NULL; /* TODO */ output->destroy = nv50_dac_destroy; |