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drm/i915: Enable panel fitting for eDP

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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>
This commit is contained in:
Zhao Yakui 2010-07-19 09:43:12 +01:00 committed by Eric Anholt
parent b9efc4804b
commit 1fc7947898
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/intel_display.c
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@ -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);