diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_dfp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_dfp.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c index a5dcf768580..0d3206a7046 100644 --- a/drivers/gpu/drm/nouveau/nv04_dfp.c +++ b/drivers/gpu/drm/nouveau/nv04_dfp.c @@ -444,6 +444,7 @@ static void nv04_dfp_commit(struct drm_encoder *encoder) struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct dcb_entry *dcbe = nv_encoder->dcb; int head = nouveau_crtc(encoder->crtc)->index; + struct drm_encoder *slave_encoder; if (dcbe->type == OUTPUT_TMDS) run_tmds_table(dev, dcbe, head, nv_encoder->mode.clock); @@ -462,9 +463,10 @@ static void nv04_dfp_commit(struct drm_encoder *encoder) NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + nv04_dac_output_offset(encoder), 0x00100000); /* Init external transmitters */ - if (get_tmds_slave(encoder)) - get_slave_funcs(get_tmds_slave(encoder))->mode_set( - encoder, &nv_encoder->mode, &nv_encoder->mode); + slave_encoder = get_tmds_slave(encoder); + if (slave_encoder) + get_slave_funcs(slave_encoder)->mode_set( + slave_encoder, &nv_encoder->mode, &nv_encoder->mode); helper->dpms(encoder, DRM_MODE_DPMS_ON); @@ -473,6 +475,27 @@ static void nv04_dfp_commit(struct drm_encoder *encoder) nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); } +static void nv04_dfp_update_backlight(struct drm_encoder *encoder, int mode) +{ +#ifdef __powerpc__ + struct drm_device *dev = encoder->dev; + + /* BIOS scripts usually take care of the backlight, thanks + * Apple for your consistency. + */ + if (dev->pci_device == 0x0179 || dev->pci_device == 0x0189 || + dev->pci_device == 0x0329) { + if (mode == DRM_MODE_DPMS_ON) { + nv_mask(dev, NV_PBUS_DEBUG_DUALHEAD_CTL, 0, 1 << 31); + nv_mask(dev, NV_PCRTC_GPIO_EXT, 3, 1); + } else { + nv_mask(dev, NV_PBUS_DEBUG_DUALHEAD_CTL, 1 << 31, 0); + nv_mask(dev, NV_PCRTC_GPIO_EXT, 3, 0); + } + } +#endif +} + static inline bool is_powersaving_dpms(int mode) { return (mode != DRM_MODE_DPMS_ON); @@ -520,6 +543,7 @@ static void nv04_lvds_dpms(struct drm_encoder *encoder, int mode) LVDS_PANEL_OFF, 0); } + nv04_dfp_update_backlight(encoder, mode); nv04_dfp_update_fp_control(encoder, mode); if (mode == DRM_MODE_DPMS_ON) @@ -543,6 +567,7 @@ static void nv04_tmds_dpms(struct drm_encoder *encoder, int mode) NV_INFO(dev, "Setting dpms mode %d on tmds encoder (output %d)\n", mode, nv_encoder->dcb->index); + nv04_dfp_update_backlight(encoder, mode); nv04_dfp_update_fp_control(encoder, mode); } |