From 0f5a92667281ca3f80218bc67d4031125a5e4793 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 18 Jun 2007 23:35:21 -0400 Subject: RADEON: only touch LVDS on mobility chips --- src/radeon_display.c | 28 +++++++++++++++------------- 1 file changed, 15 insertions(+), 13 deletions(-) diff --git a/src/radeon_display.c b/src/radeon_display.c index 7f280be..79fb352 100644 --- a/src/radeon_display.c +++ b/src/radeon_display.c @@ -287,19 +287,21 @@ void RADEONDisableDisplays(ScrnInfoPtr pScrn) { OUTREG(RADEON_FP2_GEN_CNTL, tmp); /* LVDS */ - tmpPixclksCntl = INPLL(pScrn, RADEON_PIXCLKS_CNTL); - if (info->IsMobility || info->IsIGP) { - /* Asic bug, when turning off LVDS_ON, we have to make sure - RADEON_PIXCLK_LVDS_ALWAYS_ON bit is off - */ - 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); - OUTREG(RADEON_LVDS_GEN_CNTL, tmp); - if (info->IsMobility || info->IsIGP) { - OUTPLL(pScrn, RADEON_PIXCLKS_CNTL, tmpPixclksCntl); + if (info->IsMobility) { + tmpPixclksCntl = INPLL(pScrn, RADEON_PIXCLKS_CNTL); + if (info->IsMobility || info->IsIGP) { + /* Asic bug, when turning off LVDS_ON, we have to make sure + RADEON_PIXCLK_LVDS_ALWAYS_ON bit is off + */ + 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); + OUTREG(RADEON_LVDS_GEN_CNTL, tmp); + if (info->IsMobility || info->IsIGP) { + OUTPLL(pScrn, RADEON_PIXCLKS_CNTL, tmpPixclksCntl); + } } } -- cgit v1.2.3