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SubjectRe: [Intel-gfx] [PATCH 3/7] drm/i915: Treat PCH eDP like DP in most places
On 11/2/11 12:20 PM, Jesse Barnes wrote:

> @@ -766,10 +766,10 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
> continue;
>
> intel_dp = enc_to_intel_dp(encoder);
> - if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT) {
> + if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT || is_pch_edp(intel_dp)) {
> lane_count = intel_dp->lane_count;
> break;
> - } else if (is_edp(intel_dp)) {
> + } else if (is_cpu_edp(intel_dp)) {
> lane_count = dev_priv->edp.lanes;
> break;
> }
>
> I guess this means we can't trust the BIOS settings for PCH eDP?

Given the choice of trusting DPCD or the VBT, I'd definitely prefer DPCD.

- ajax



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