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drm/i915: apply DP bandwidth workaround for PCH eDP as well
author
Jesse Barnes
<jbarnes@virtuousgeek.org>
Wed, 21 Jul 2010 20:57:47 +0000
(13:57 -0700)
committer
Eric Anholt
<eric@anholt.net>
Mon, 2 Aug 2010 02:35:15 +0000
(19:35 -0700)
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@yahoo.co.uk>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/i915/intel_dp.c
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diff --git
a/drivers/gpu/drm/i915/intel_dp.c
b/drivers/gpu/drm/i915/intel_dp.c
index c612981e6195be70c914186866172fc36aa59332..5a11a2bada37a1bb7031196ee9ba5beef38f2d7e 100644
(file)
--- 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];