From: Alan Cox alan@linux.intel.com
Squash a hardcoded assumption we shouldn't really make
Signed-off-by: Alan Cox alan@linux.intel.com ---
drivers/staging/gma500/psb_intel_display.c | 11 ++++++----- 1 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c index 4f47d09..a99271d 100644 --- a/drivers/staging/gma500/psb_intel_display.c +++ b/drivers/staging/gma500/psb_intel_display.c @@ -723,17 +723,18 @@ static int psb_intel_crtc_mode_set(struct drm_crtc *crtc, if (is_lvds) { u32 lvds = REG_READ(LVDS);
- lvds |= - LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | - LVDS_PIPEB_SELECT; + lvds &= ~LVDS_PIPEB_SELECT; + if (pipe == 1) + lvds |= LVDS_PIPEB_SELECT; + + lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP; /* Set the B0-B3 data pairs corresponding to * whether we're going to * set the DPLLs for dual-channel mode or not. */ + lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP); if (clock.p2 == 7) lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP; - else - lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
/* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP) * appropriately here, but we need to look more