linux-kernel - [PATCH 2/2] drm/msm/dp: Drop limit link rate at HBR2

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Message-Id: <1613603397-21179-1-git-send-email-khsieh@codeaurora.org>
Date:   Wed, 17 Feb 2021 15:09:57 -0800
From:   Kuogee Hsieh <khsieh@...eaurora.org>
To:     robdclark@...il.com, sean@...rly.run, swboyd@...omium.org
Cc:     tanmay@...eaurora.org, abhinavk@...eaurora.org,
        aravindh@...eaurora.org, khsieh@...eaurora.org, airlied@...ux.ie,
        daniel@...ll.ch, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] drm/msm/dp: Drop limit link rate at HBR2

Drop limit link rate at HBR2 to support link rate
upto HBR3.

Signed-off-by: Kuogee Hsieh <khsieh@...eaurora.org>
---
 drivers/gpu/drm/msm/dp/dp_panel.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c
index 9cc8166..63112fa 100644
--- a/drivers/gpu/drm/msm/dp/dp_panel.c
+++ b/drivers/gpu/drm/msm/dp/dp_panel.c
@@ -76,10 +76,6 @@ static int dp_panel_read_dpcd(struct dp_panel *dp_panel)
 	if (link_info->num_lanes > dp_panel->max_dp_lanes)
 		link_info->num_lanes = dp_panel->max_dp_lanes;
 
-	/* Limit support upto HBR2 until HBR3 support is added */
-	if (link_info->rate >= (drm_dp_bw_code_to_link_rate(DP_LINK_BW_5_4)))
-		link_info->rate = drm_dp_bw_code_to_link_rate(DP_LINK_BW_5_4);
-
 	DRM_DEBUG_DP("version: %d.%d\n", major, minor);
 	DRM_DEBUG_DP("link_rate=%d\n", link_info->rate);
 	DRM_DEBUG_DP("lane_count=%d\n", link_info->num_lanes);
-- 
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