[Intel-gfx] [PATCH 2/4] drm/i915: Enable panel fitting for eDP

[Chris Wilson]

From: Zhao Yakui <yakui.zhao at intel.com>

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 at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: stable at kernel.org
---
 drivers/gpu/drm/i915/intel_display.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8359c50..77ae44e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1888,7 +1888,8 @@ 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);
 
-- 
1.7.1