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Commit 1fc79478 authored by Zhao Yakui's avatar Zhao Yakui Committed by Eric Anholt
Browse files

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: default avatarZhao Yakui <yakui.zhao@intel.com>
Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent b9efc480

drivers/gpu/drm/i915/intel_display.c

+2 −1
Original line number Diff line number Diff line
@@ -1903,7 +1903,8 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode) 
		}



		/* Enable panel fitting for LVDS */

		if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {

		if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)

		    || HAS_eDP || intel_pch_has_edp(crtc)) {

			temp = I915_READ(pf_ctl_reg);

			I915_WRITE(pf_ctl_reg, temp | PF_ENABLE | PF_FILTER_MED_3x3);