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drm/msms/dp: fixed link clock divider bits be over written in BPC unknown case
[platform/kernel/linux-starfive.git]
/
drivers
/
gpu
/
drm
/
msm
/
dp
/
dp_link.c
diff --git
a/drivers/gpu/drm/msm/dp/dp_link.c
b/drivers/gpu/drm/msm/dp/dp_link.c
index
6375daa
..
4878679
100644
(file)
--- a/
drivers/gpu/drm/msm/dp/dp_link.c
+++ b/
drivers/gpu/drm/msm/dp/dp_link.c
@@
-1211,6
+1211,9
@@
void dp_link_reset_phy_params_vx_px(struct dp_link *dp_link)
u32 dp_link_get_test_bits_depth(struct dp_link *dp_link, u32 bpp)
{
u32 tbd;
u32 dp_link_get_test_bits_depth(struct dp_link *dp_link, u32 bpp)
{
u32 tbd;
+ struct dp_link_private *link;
+
+ link = container_of(dp_link, struct dp_link_private, dp_link);
/*
* Few simplistic rules and assumptions made here:
/*
* Few simplistic rules and assumptions made here:
@@
-1228,12
+1231,13
@@
u32 dp_link_get_test_bits_depth(struct dp_link *dp_link, u32 bpp)
tbd = DP_TEST_BIT_DEPTH_10;
break;
default:
tbd = DP_TEST_BIT_DEPTH_10;
break;
default:
- tbd = DP_TEST_BIT_DEPTH_UNKNOWN;
+ drm_dbg_dp(link->drm_dev, "bpp=%d not supported, use bpc=8\n",
+ bpp);
+ tbd = DP_TEST_BIT_DEPTH_8;
break;
}
break;
}
- if (tbd != DP_TEST_BIT_DEPTH_UNKNOWN)
- tbd = (tbd >> DP_TEST_BIT_DEPTH_SHIFT);
+ tbd = (tbd >> DP_TEST_BIT_DEPTH_SHIFT);
return tbd;
}
return tbd;
}