diff options
| -rw-r--r-- | src/radeon_output.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/radeon_output.c b/src/radeon_output.c index 907d8248..9b2494b8 100644 --- a/src/radeon_output.c +++ b/src/radeon_output.c @@ -2676,10 +2676,48 @@ static RADEONMacModel RADEONDetectMacModel(ScrnInfoPtr pScrn) #endif /* __powerpc__ */ +static int +radeon_output_clones (ScrnInfoPtr pScrn, xf86OutputPtr output) +{ + RADEONOutputPrivatePtr radeon_output = output->driver_private; + RADEONEntPtr pRADEONEnt = RADEONEntPriv(output->scrn); + xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR (pScrn); + int o; + int index_mask = 0; + + /* + * cards without a CRTC2 really need cloning enabled + * for cards with 2 CRTC this may need more testing + */ + if (pRADEONEnt->HasCRTC2) + return index_mask; + + /* LVDS is too wacky */ + if (radeon_output->type == OUTPUT_LVDS) + return index_mask; + + for (o = 0; o < config->num_output; o++) { + xf86OutputPtr clone = config->output[o]; + RADEONOutputPrivatePtr radeon_clone = clone->driver_private; + if (output == clone) /* don't clone yourself */ + continue; + else if (radeon_clone->type == OUTPUT_LVDS) /* LVDS */ + continue; + else if ((radeon_output->DACType == DAC_TVDAC) && + (radeon_clone->DACType == DAC_TVDAC)) /* shared tvdac */ + continue; + else + index_mask |= (1 << o); + } + + return index_mask; +} + /* * initialise the static data sos we don't have to re-do at randr change */ Bool RADEONSetupConnectors(ScrnInfoPtr pScrn) { + xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn); RADEONInfoPtr info = RADEONPTR(pScrn); RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn); xf86OutputPtr output; @@ -2881,6 +2919,12 @@ Bool RADEONSetupConnectors(ScrnInfoPtr pScrn) } } + for (i = 0; i < xf86_config->num_output; i++) { + xf86OutputPtr output = xf86_config->output[i]; + + output->possible_clones = radeon_output_clones(pScrn, output); + } + return TRUE; } |