Attachment 103304 Details for Bug 81647 – revert commit c6930992948adf0f8fc1f6ff1da51c5002a2cf95

revert commit c6930992948adf0f8fc1f6ff1da51c5002a2cf95

drm_i915_intel_dp.patch (text/plain), 1.37 KB, created by Adam Jirasek on 2014-07-22 20:59:08 UTC

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Creator: Adam Jirasek

Created: 2014-07-22 20:59:08 UTC

Size: 1.37 KB

patch

obsolete

>From 7f193dd5639d0f1539121fae80c4ff02ae317f33 Mon Sep 17 00:00:00 2001
>From: Adam Jirasek <Adam.Jirasek@gmail.com>
>Date: Tue, 22 Jul 2014 07:47:25 -0600
>Subject: [PATCH] Revert commit c6930992948adf0f8fc1f6ff1da51c5002a2cf95 Revert
> "drm/i915: reverse dp link param selection, prefer fast over wide again
>
>revert c6930992948adf0f8fc1f6ff1da51c5002a2cf95
>caused blurry screen or screen flicker on Thoshiba S70
>with VGA compatible controller: Intel Corporation 4th Gen Core Processor
>Integrated Graphics Controller (rev 06)
>---
> drivers/gpu/drm/i915/intel_dp.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
>index 50bee88b..68ed888 100644
>--- a/drivers/gpu/drm/i915/intel_dp.c
>+++ b/drivers/gpu/drm/i915/intel_dp.c
>@@ -920,8 +920,8 @@ intel_dp_compute_config(struct intel_encoder *encoder,
> 		mode_rate = intel_dp_link_required(adjusted_mode->crtc_clock,
> 						   bpp);
> 
>-		for (clock = min_clock; clock <= max_clock; clock++) {
>-			for (lane_count = min_lane_count; lane_count <= max_lane_count; lane_count <<= 1) {
>+		for (lane_count = min_lane_count; lane_count <= max_lane_count; lane_count <<= 1) {
>+			for (clock = min_clock; clock <= max_clock; clock++) {
> 				link_clock = drm_dp_bw_code_to_link_rate(bws[clock]);
> 				link_avail = intel_dp_max_data_rate(link_clock,
> 								    lane_count);
>-- 
>1.8.5.5
>

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