Attachment 143796 Details for Bug 109959 – Debug patch for the quirk

[patch] Debug patch for the quirk

0001-drm-i915-Debug-eDP-Quirk-patch.patch (text/plain), 2.08 KB, created by Manasi on 2019-03-27 22:58:47 UTC

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Creator: Manasi

Created: 2019-03-27 22:58:47 UTC

Size: 2.08 KB

patch

obsolete

>From 33662465d6ffc5fb463605db497d398e9236233a Mon Sep 17 00:00:00 2001
>From: Manasi Navare <manasi.d.navare@intel.com>
>Date: Wed, 27 Mar 2019 15:59:06 -0700
>Subject: [PATCH] drm/i915: Debug eDP Quirk patch
>
>Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
>---
> drivers/gpu/drm/drm_edid.c      | 4 +++-
> drivers/gpu/drm/i915/intel_dp.c | 5 ++++-
> 2 files changed, 7 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
>index 4bfbc6e30e5f..96689143a8b2 100644
>--- a/drivers/gpu/drm/drm_edid.c
>+++ b/drivers/gpu/drm/drm_edid.c
>@@ -4760,8 +4760,10 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
> 	if (quirks & EDID_QUIRK_FORCE_12BPC)
> 		connector->display_info.bpc = 12;
> 
>-	if (quirks & EDID_QUIRK_FORCE_MAX_LANE_COUNT)
>+	if (quirks & EDID_QUIRK_FORCE_MAX_LANE_COUNT) {
>+		DRM_DEBUG_KMS("\n eDP Debug: eDP 1.4 SHP panle quirk present");
> 		connector->display_info.force_max_lane_count = true;
>+	}
> 
> 	return num_modes;
> }
>diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
>index 15c32be81979..eae00b0d134c 100644
>--- a/drivers/gpu/drm/i915/intel_dp.c
>+++ b/drivers/gpu/drm/i915/intel_dp.c
>@@ -2036,6 +2036,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
> 
> 	if (intel_dp->edp_force_max_lane_count || (intel_dp_is_edp(intel_dp) &&
> 						   intel_dp->edp_dpcd[0] < DP_EDP_14)) {
>+		DRM_DEBUG_KMS("\neDP Debug: Using max lane count = %d", limits.max_lane_count);
> 		/*
> 		 * Use the maximum clock and number of lanes the eDP panel
> 		 * advertizes being capable of. The eDP 1.3 and earlier panels
>@@ -7099,8 +7100,10 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
> 		if (drm_add_edid_modes(connector, edid)) {
> 			drm_connector_update_edid_property(connector,
> 								edid);
>-			if (connector->display_info.force_max_lane_count)
>+			if (connector->display_info.force_max_lane_count) {
> 				intel_dp->edp_force_max_lane_count = true;
>+				DRM_DEBUG_KMS("\neDP Debug: Setting edp for max lane count to true");
>+			}
> 		} else {
> 			kfree(edid);
> 			edid = ERR_PTR(-EINVAL);
>-- 
>2.19.1
>

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Attachments on bug 109959: 143621 | 143624 | 143729 | 143776 | 143782 | 143783 | 143791 | 143792 | 143793 | 143794 | 143795 | 143796 | 143797 | 143801 | 143817 | 143862 | 143865 | 143874 | 143967 | 143987 | 143988 | 143990 | 143993 | 144000 | 144002

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