diff options
Diffstat (limited to 'src/legacy_output.c')
| -rw-r--r-- | src/legacy_output.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/legacy_output.c b/src/legacy_output.c index 595b2436..45706b91 100644 --- a/src/legacy_output.c +++ b/src/legacy_output.c @@ -1230,11 +1230,24 @@ legacy_output_mode_set(xf86OutputPtr output, DisplayModePtr mode, RADEONRestoreFPRegisters(pScrn, info->ModeReg); } else { ErrorF("restore FP2\n"); - RADEONRestoreFP2Registers(pScrn, info->ModeReg); - if (info->IsAtomBios) + if (info->IsAtomBios) { + unsigned char *RADEONMMIO = info->MMIO; + CARD32 fp2_gen_cntl; + atombios_external_tmds_setup(output, mode); - else + /* r4xx atom seems to have hard coded crtc mappings in the atom code + * Fix it up here. + */ + fp2_gen_cntl = INREG(RADEON_FP2_GEN_CNTL) & ~R200_FP2_SOURCE_SEL_MASK; + if (radeon_crtc->crtc_id == 1) + fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC2; + else + fp2_gen_cntl |= R200_FP2_SOURCE_SEL_CRTC1; + OUTREG(RADEON_FP2_GEN_CNTL, fp2_gen_cntl); + } else { RADEONRestoreDVOChip(pScrn, output); + RADEONRestoreFP2Registers(pScrn, info->ModeReg); + } } break; case MT_STV: |