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path: root/drivers/gpu/drm/bridge/ite-it6505.c
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Diffstat (limited to 'drivers/gpu/drm/bridge/ite-it6505.c')
-rw-r--r--drivers/gpu/drm/bridge/ite-it6505.c43
1 files changed, 7 insertions, 36 deletions
diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c
index 1383d1e21afe..a094803ba7aa 100644
--- a/drivers/gpu/drm/bridge/ite-it6505.c
+++ b/drivers/gpu/drm/bridge/ite-it6505.c
@@ -21,7 +21,7 @@
#include <linux/wait.h>
#include <linux/bitfield.h>
-#include <crypto/hash.h>
+#include <crypto/sha1.h>
#include <drm/display/drm_dp_helper.h>
#include <drm/display/drm_hdcp_helper.h>
@@ -2107,35 +2107,6 @@ static void it6505_hdcp_part1_auth(struct it6505 *it6505)
it6505->hdcp_status = HDCP_AUTH_GOING;
}
-static int it6505_sha1_digest(struct it6505 *it6505, u8 *sha1_input,
- unsigned int size, u8 *output_av)
-{
- struct shash_desc *desc;
- struct crypto_shash *tfm;
- int err;
- struct device *dev = it6505->dev;
-
- tfm = crypto_alloc_shash("sha1", 0, 0);
- if (IS_ERR(tfm)) {
- dev_err(dev, "crypto_alloc_shash sha1 failed");
- return PTR_ERR(tfm);
- }
- desc = kzalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
- if (!desc) {
- crypto_free_shash(tfm);
- return -ENOMEM;
- }
-
- desc->tfm = tfm;
- err = crypto_shash_digest(desc, sha1_input, size, output_av);
- if (err)
- dev_err(dev, "crypto_shash_digest sha1 failed");
-
- crypto_free_shash(tfm);
- kfree(desc);
- return err;
-}
-
static int it6505_setup_sha1_input(struct it6505 *it6505, u8 *sha1_input)
{
struct device *dev = it6505->dev;
@@ -2205,7 +2176,7 @@ static bool it6505_hdcp_part2_ksvlist_check(struct it6505 *it6505)
return false;
}
- it6505_sha1_digest(it6505, it6505->sha1_input, i, (u8 *)av);
+ sha1(it6505->sha1_input, i, (u8 *)av);
/*1B-05 V' must retry 3 times */
for (retry = 0; retry < 3; retry++) {
err = it6505_get_dpcd(it6505, DP_AUX_HDCP_V_PRIME(0), (u8 *)bv,
@@ -3238,7 +3209,7 @@ static void it6505_bridge_atomic_post_disable(struct drm_bridge *bridge,
}
static enum drm_connector_status
-it6505_bridge_detect(struct drm_bridge *bridge)
+it6505_bridge_detect(struct drm_bridge *bridge, struct drm_connector *connector)
{
struct it6505 *it6505 = bridge_to_it6505(bridge);
@@ -3583,9 +3554,10 @@ static int it6505_i2c_probe(struct i2c_client *client)
struct extcon_dev *extcon;
int err;
- it6505 = devm_kzalloc(&client->dev, sizeof(*it6505), GFP_KERNEL);
- if (!it6505)
- return -ENOMEM;
+ it6505 = devm_drm_bridge_alloc(&client->dev, struct it6505, bridge,
+ &it6505_bridge_funcs);
+ if (IS_ERR(it6505))
+ return PTR_ERR(it6505);
mutex_init(&it6505->extcon_lock);
mutex_init(&it6505->mode_lock);
@@ -3660,7 +3632,6 @@ static int it6505_i2c_probe(struct i2c_client *client)
it6505->aux.transfer = it6505_aux_transfer;
drm_dp_aux_init(&it6505->aux);
- it6505->bridge.funcs = &it6505_bridge_funcs;
it6505->bridge.type = DRM_MODE_CONNECTOR_DisplayPort;
it6505->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID |
DRM_BRIDGE_OP_HPD;