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drm/i915/dp: don't mention eDP bpp clamping if it doesn't affect bpp

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This is useful with the follow-up patch that frobs
dev_priv->vbt.edp_bpp, and the value no longer comes directly from
VBT.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jani Nikula 2013-10-16 17:06:17 +03:00 committed by Daniel Vetter
parent 3c9d87e3ac
commit 6da7f10d29
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/i915/intel_dp.c
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@ -822,10 +822,11 @@ intel_dp_compute_config(struct intel_encoder *encoder,
/* Walk through all bpp values. Luckily they're all nicely spaced with 2
* bpc in between. */
bpp = pipe_config->pipe_bpp;
if (is_edp(intel_dp) && dev_priv->vbt.edp_bpp) {
if (is_edp(intel_dp) && dev_priv->vbt.edp_bpp &&
dev_priv->vbt.edp_bpp < bpp) {
DRM_DEBUG_KMS("clamping bpp for eDP panel to BIOS-provided %i\n",
dev_priv->vbt.edp_bpp);
bpp = min_t(int, bpp, dev_priv->vbt.edp_bpp);
bpp = dev_priv->vbt.edp_bpp;
}
for (; bpp >= 6*3; bpp -= 2*3) {