2021-02-17 23:13:59

by Kuogee Hsieh

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 <[email protected]>
---
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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a Linux Foundation Collaborative Project

2021-02-18 19:35:28

by Stephen Boyd

Subject: Re: [PATCH 2/2] drm/msm/dp: Drop limit link rate at HBR2

Quoting Kuogee Hsieh (2021-02-17 15:09:57)
> Drop limit link rate at HBR2 to support link rate
> upto HBR3.
>
> Signed-off-by: Kuogee Hsieh <[email protected]>
> ---

Reviewed-by: Stephen Boyd <[email protected]>

2021-02-18 19:36:34

by Stephen Boyd

Subject: Re: [PATCH 2/2] drm/msm/dp: Drop limit link rate at HBR2

Quoting Kuogee Hsieh (2021-02-17 15:09:57)
> Drop limit link rate at HBR2 to support link rate
> upto HBR3.
>
> Signed-off-by: Kuogee Hsieh <[email protected]>
> ---

Should also say

Tested-by: Stephen Boyd <[email protected]>