diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index d9c50ff94d7..64773ce5296 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -636,7 +636,7 @@ void intel_wait_for_vblank(struct drm_device *dev) { /* Wait for 20ms, i.e. one cycle at 50hz. */ - udelay(20000); + mdelay(20); } static int @@ -1106,6 +1106,26 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc, return -EINVAL; } + /* SDVO TV has fixed PLL values depend on its clock range, + this mirrors vbios setting. */ + if (is_sdvo && is_tv) { + if (adjusted_mode->clock >= 100000 + && adjusted_mode->clock < 140500) { + clock.p1 = 2; + clock.p2 = 10; + clock.n = 3; + clock.m1 = 16; + clock.m2 = 8; + } else if (adjusted_mode->clock >= 140500 + && adjusted_mode->clock <= 200000) { + clock.p1 = 1; + clock.p2 = 10; + clock.n = 6; + clock.m1 = 12; + clock.m2 = 8; + } + } + if (IS_IGD(dev)) fp = (1 << clock.n) << 16 | clock.m1 << 8 | clock.m2; else |