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drm/bridge: anx7625: Use common macros for HDCP capabilities
author
Chen-Yu Tsai
<wenst@chromium.org>
Mon, 10 Jul 2023 09:12:01 +0000
(17:12 +0800)
committer
Robert Foss
<rfoss@kernel.org>
Mon, 17 Jul 2023 16:03:23 +0000
(18:03 +0200)
The DRM DP code has macros for the DP HDCP capabilities. Use them in the
anx7625 driver instead of raw numbers.
Fixes:
cd1637c7e480
("drm/bridge: anx7625: add HDCP support")
Suggested-by: NĂcolas F. R. A. Prado <nfraprado@collabora.com>
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link:
https://patchwork.freedesktop.org/patch/msgid/20230710091203.1874317-1-wenst@chromium.org
drivers/gpu/drm/bridge/analogix/anx7625.c
patch
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diff --git
a/drivers/gpu/drm/bridge/analogix/anx7625.c
b/drivers/gpu/drm/bridge/analogix/anx7625.c
index
9db3784
..
866d018
100644
(file)
--- a/
drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/
drivers/gpu/drm/bridge/analogix/anx7625.c
@@
-872,11
+872,11
@@
static int anx7625_hdcp_enable(struct anx7625_data *ctx)
}
/* Read downstream capability */
- ret = anx7625_aux_trans(ctx, DP_AUX_NATIVE_READ,
0x68028
, 1, &bcap);
+ ret = anx7625_aux_trans(ctx, DP_AUX_NATIVE_READ,
DP_AUX_HDCP_BCAPS
, 1, &bcap);
if (ret < 0)
return ret;
- if (!(bcap &
0x01
)) {
+ if (!(bcap &
DP_BCAPS_HDCP_CAPABLE
)) {
pr_warn("downstream not support HDCP 1.4, cap(%x).\n", bcap);
return 0;
}