Attachment 108410 Details for Bug 79386 – Patch to fix the flickering

Patch to fix the flickering

flicker.patch (text/plain), 1.15 KB, created by Narthana Epa on 2014-10-25 18:35:08 UTC

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Creator: Narthana Epa

Created: 2014-10-25 18:35:08 UTC

Size: 1.15 KB

patch

obsolete

>diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
>index d7fc2c0e9ba8..f4248d7f64f9 100644
>--- a/drivers/gpu/drm/i915/intel_dp.c
>+++ b/drivers/gpu/drm/i915/intel_dp.c
>@@ -889,23 +889,13 @@ intel_dp_compute_config(struct intel_encoder *encoder,
> 			bpp = dev_priv->vbt.edp_bpp;
> 		}
> 
>-		if (IS_BROADWELL(dev)) {
>-			/* Yes, it's an ugly hack. */
>-			min_lane_count = max_lane_count;
>-			DRM_DEBUG_KMS("forcing lane count to max (%u) on BDW\n",
>-				      min_lane_count);
>-		} else if (dev_priv->vbt.edp_lanes) {
>-			min_lane_count = min(dev_priv->vbt.edp_lanes,
>-					     max_lane_count);
>-			DRM_DEBUG_KMS("using min %u lanes per VBT\n",
>-				      min_lane_count);
>-		}
>-
>-		if (dev_priv->vbt.edp_rate) {
>-			min_clock = min(dev_priv->vbt.edp_rate >> 3, max_clock);
>-			DRM_DEBUG_KMS("using min %02x link bw per VBT\n",
>-				      bws[min_clock]);
>-		}
>+		/*
>+		 * Use the maximum clock and number of lanes the eDP panel
>+		 * advertizes being capable of. Typically these values
>+		 * correspond to the native resolution of the panel.
>+		 */
>+		min_lane_count = max_lane_count;
>+		min_clock = max_clock;
> 	}
> 
> 	for (; bpp >= 6*3; bpp -= 2*3) {

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Attachments on bug 79386: 100045 | 100046 | 100047 | 100318 | 108410 | 108411

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