diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 58c827b..eba1ba5 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -95,6 +95,17 @@ static bool is_pch_edp(struct intel_dp *intel_dp) return intel_dp->is_pch_edp; } +/** + * is_cpu_edp - is the port on the CPU and attached to an eDP panel? + * @intel_dp: DP struct + * + * Returns true if the given DP struct corresponds to a CPU eDP port. + */ +static bool is_cpu_edp(struct intel_dp *intel_dp) +{ + return is_edp(intel_dp) && !is_pch_edp(intel_dp); +} + static struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder) { return container_of(encoder, struct intel_dp, base.base); @@ -355,7 +366,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, * Note that PCH attached eDP panels should use a 125MHz input * clock divider. */ - if (is_edp(intel_dp) && !is_pch_edp(intel_dp)) { + if (is_cpu_edp(intel_dp)) { if (IS_GEN6(dev)) aux_clock_divider = 200; /* SNB eDP input clock at 400Mhz */ else @@ -859,7 +870,7 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, if (intel_crtc->pipe == 1 && !HAS_PCH_CPT(dev)) intel_dp->DP |= DP_PIPEB_SELECT; - if (is_edp(intel_dp) && !is_pch_edp(intel_dp)) { + if (is_cpu_edp(intel_dp)) { /* don't miss out required setting for eDP */ intel_dp->DP |= DP_PLL_ENABLE; if (adjusted_mode->clock < 200000) |