diff options
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index ca9e0c730013d..af80f1ac88806 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1506,6 +1506,12 @@ int intel_dp_rate_select(struct intel_dp *intel_dp, int rate) void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock, u8 *link_bw, u8 *rate_select) { + struct drm_i915_private *i915 = dp_to_i915(intel_dp); + + /* FIXME g4x can't generate an exact 2.7GHz with the 96MHz non-SSC refclk */ + if (IS_G4X(i915) && port_clock == 268800) + port_clock = 270000; + /* eDP 1.4 rate select method. */ if (intel_dp->use_rate_select) { *link_bw = 0; |