[Intel-gfx] [PATCH] drm/i915: apply DP bandwidth workaround for PCH eDP as well

Jesse Barnes jbarnes at virtuousgeek.org
Wed Jul 21 22:57:47 CEST 2010


Fixes https://bugs.freedesktop.org/show_bug.cgi?id=29141 though the
workaround itself is still a bit of a mystery.

Tested-by: Adam Hill <sidepipeuk at yahoo.co.uk>
Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_dp.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 911be4a..0251998 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -534,7 +534,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
 		}
 	}
 
-	if (IS_eDP(intel_encoder)) {
+	if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) {
 		/* okay we failed just pick the highest */
 		dp_priv->lane_count = max_lane_count;
 		dp_priv->link_bw = bws[max_clock];
-- 
1.7.1




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