diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 26e162b..7db2cd7 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1360,6 +1360,13 @@ static void intel_dp_get_config(struct intel_encoder *encoder, } pipe_config->adjusted_mode.flags |= flags; + + if (dp_to_dig_port(intel_dp)->port == PORT_A) { + if ((I915_READ(DP_A) & DP_PLL_FREQ_MASK) == DP_PLL_FREQ_160MHZ) + pipe_config->port_clock = 162000; + else + pipe_config->port_clock = 270000; + } } static void intel_disable_dp(struct intel_encoder *encoder) |