diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/ite-it6505.c')
-rw-r--r-- | drivers/gpu/drm/bridge/ite-it6505.c | 43 |
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; |