Linux ARM-MSM sub-architecture
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From: Kuogee Hsieh <khsieh@codeaurora.org>
To: robdclark@gmail.com, sean@poorly.run, swboyd@chromium.org
Cc: tanmay@codeaurora.org, abhinavk@codeaurora.org,
	aravindh@codeaurora.org, khsieh@codeaurora.org, airlied@linux.ie,
	daniel@ffwll.ch, linux-arm-msm@vger.kernel.org,
	dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 2/2] drm/msm/dp: Drop limit link rate at HBR2
Date: Wed, 17 Feb 2021 15:09:57 -0800	[thread overview]
Message-ID: <1613603397-21179-1-git-send-email-khsieh@codeaurora.org> (raw)

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

Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.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);
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project


             reply	other threads:[~2021-02-17 23:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-17 23:09 Kuogee Hsieh [this message]
2021-02-18 18:46 ` [PATCH 2/2] drm/msm/dp: Drop limit link rate at HBR2 Stephen Boyd
2021-02-18 18:47 ` Stephen Boyd

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