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drm/i915: Enable panel fitting for eDP
When trying to set other display mode besides the fixed panel mode, the panel fitting should be enabled. This is similar to LVDS. Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: stable@kernel.org Signed-off-by: Eric Anholt <eric@anholt.net>
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@ -1903,7 +1903,8 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
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}
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/* Enable panel fitting for LVDS */
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if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
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if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)
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|| HAS_eDP || intel_pch_has_edp(crtc)) {
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temp = I915_READ(pf_ctl_reg);
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I915_WRITE(pf_ctl_reg, temp | PF_ENABLE | PF_FILTER_MED_3x3);
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