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path: root/drivers/gpu/drm/msm/dp/dp_link.c
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Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_link.c')
-rw-r--r--drivers/gpu/drm/msm/dp/dp_link.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_link.c b/drivers/gpu/drm/msm/dp/dp_link.c
index c811da515fb3..49d7fad36fc4 100644
--- a/drivers/gpu/drm/msm/dp/dp_link.c
+++ b/drivers/gpu/drm/msm/dp/dp_link.c
@@ -869,6 +869,9 @@ static int dp_link_parse_vx_px(struct dp_link_private *link)
drm_dp_get_adjust_request_voltage(link->link_status, 0);
link->dp_link.phy_params.p_level =
drm_dp_get_adjust_request_pre_emphasis(link->link_status, 0);
+
+ link->dp_link.phy_params.p_level >>= DP_TRAIN_PRE_EMPHASIS_SHIFT;
+
DRM_DEBUG_DP("Requested: v_level = 0x%x, p_level = 0x%x\n",
link->dp_link.phy_params.v_level,
link->dp_link.phy_params.p_level);
@@ -911,7 +914,8 @@ static int dp_link_process_phy_test_pattern_request(
link->request.test_lane_count);
link->dp_link.link_params.num_lanes = link->request.test_lane_count;
- link->dp_link.link_params.rate = link->request.test_link_rate;
+ link->dp_link.link_params.rate =
+ drm_dp_bw_code_to_link_rate(link->request.test_link_rate);
ret = dp_link_parse_vx_px(link);
@@ -1156,6 +1160,12 @@ int dp_link_adjust_levels(struct dp_link *dp_link, u8 *link_status)
return 0;
}
+void dp_link_reset_phy_params_vx_px(struct dp_link *dp_link)
+{
+ dp_link->phy_params.v_level = 0;
+ dp_link->phy_params.p_level = 0;
+}
+
u32 dp_link_get_test_bits_depth(struct dp_link *dp_link, u32 bpp)
{
u32 tbd;