diff options
-rw-r--r-- | src/legacy_output.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/src/legacy_output.c b/src/legacy_output.c index 186cd25f..fe0fbe39 100644 --- a/src/legacy_output.c +++ b/src/legacy_output.c @@ -912,6 +912,11 @@ legacy_output_dpms(xf86OutputPtr output, int mode) ErrorF("enable LVDS\n"); tmp = INREG(RADEON_LVDS_GEN_CNTL); tmp |= (RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN); +#if defined(__powerpc__) + /* not sure if this is needed on non-Macs */ + if (info->MacModel) + tmp |= RADEON_LVDS_BL_MOD_EN; +#endif tmp &= ~(RADEON_LVDS_DISPLAY_DIS); usleep (lvds->PanelPwrDly * 1000); OUTREG(RADEON_LVDS_GEN_CNTL, tmp); @@ -1001,10 +1006,24 @@ legacy_output_dpms(xf86OutputPtr output, int mode) */ OUTPLLP(pScrn, RADEON_PIXCLKS_CNTL, 0, ~RADEON_PIXCLK_LVDS_ALWAYS_ONb); } - tmp = INREG(RADEON_LVDS_GEN_CNTL); - tmp |= RADEON_LVDS_DISPLAY_DIS; - tmp &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN); - OUTREG(RADEON_LVDS_GEN_CNTL, tmp); +#if defined(__powerpc__) + /* not sure if this is needed on non-Macs */ + if (info->MacModel) { + tmp = INREG(RADEON_LVDS_GEN_CNTL); + tmp |= RADEON_LVDS_DISPLAY_DIS; + tmp &= ~RADEON_LVDS_BL_MOD_EN; + OUTREG(RADEON_LVDS_GEN_CNTL, tmp); + usleep(100); + tmp &= ~(RADEON_LVDS_ON | RADEON_LVDS_EN); + OUTREG(RADEON_LVDS_GEN_CNTL, tmp); + } else +#endif + { + tmp = INREG(RADEON_LVDS_GEN_CNTL); + tmp |= RADEON_LVDS_DISPLAY_DIS; + tmp &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN); + OUTREG(RADEON_LVDS_GEN_CNTL, tmp); + } save->lvds_gen_cntl |= RADEON_LVDS_DISPLAY_DIS; save->lvds_gen_cntl &= ~(RADEON_LVDS_ON | RADEON_LVDS_BLON | RADEON_LVDS_EN); if (info->IsMobility || info->IsIGP) { |