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drm/bridge: anx7625: Use common macros for HDCP capabilities

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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: Nícolas 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
This commit is contained in:
Chen-Yu Tsai 2023-07-10 17:12:01 +08:00 committed by Robert Foss
parent 2ba776f903
commit 41639b3a8b
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GPG Key ID: 3EFD900F76D1D784
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/bridge/analogix/anx7625.c
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@ -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;
}