evie/android_kernel_oneplus_msm8998
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Merge "msm: sde: Switch to non-secure at session close"

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Linux Build Service Account 2016-12-30 06:28:07 -08:00 • committed by Gerrit - the friendly Code Review server
commit 06dc59aba0
1 changed files with 14 additions and 12 deletions
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26
drivers/media/platform/msm/sde/rotator/sde_rotator_core.c
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@ -530,7 +530,7 @@ static int sde_rotator_import_buffer(struct sde_layer_buffer *buffer,
return ret;
}
static int sde_rotator_secure_session_ctrl(struct sde_rot_entry *entry)
static int sde_rotator_secure_session_ctrl(bool enable)
{
struct sde_rot_data_type *mdata = sde_rot_get_mdata();
uint32_t sid_info;
@ -546,8 +546,7 @@ static int sde_rotator_secure_session_ctrl(struct sde_rot_entry *entry)
desc.args[1] = SCM_BUFFER_PHYS(&sid_info);
desc.args[2] = sizeof(uint32_t);
if (!mdata->sec_cam_en &&
(entry->item.flags & SDE_ROTATION_SECURE_CAMERA)) {
if (!mdata->sec_cam_en && enable) {
/*
* Enable secure camera operation
* Send SCM call to hypervisor to switch the
@ -573,11 +572,8 @@ static int sde_rotator_secure_session_ctrl(struct sde_rot_entry *entry)
SDEROT_DBG("scm_call(1) ret=%d, resp=%x",
ret, resp);
SDEROT_EVTLOG(1, entry->item.flags,
entry->src_buf.p[0].addr,
entry->dst_buf.p[0].addr);
} else if (mdata->sec_cam_en && !(entry->item.flags &
SDE_ROTATION_SECURE_CAMERA)) {
SDEROT_EVTLOG(1);
} else if (mdata->sec_cam_en && !enable) {
/*
* Disable secure camera operation
* Send SCM call to hypervisor to switch the
@ -596,9 +592,7 @@ static int sde_rotator_secure_session_ctrl(struct sde_rot_entry *entry)
/* force smmu to reattach */
sde_smmu_secure_ctrl(1);
SDEROT_EVTLOG(0, entry->item.flags,
entry->src_buf.p[0].addr,
entry->dst_buf.p[0].addr);
SDEROT_EVTLOG(0);
}
} else {
return 0;
@ -618,6 +612,7 @@ static int sde_rotator_map_and_check_data(struct sde_rot_entry *entry)
struct sde_mdp_format_params *fmt;
struct sde_mdp_plane_sizes ps;
bool rotation;
bool secure;
input = &entry->item.input;
output = &entry->item.output;
@ -628,7 +623,9 @@ static int sde_rotator_map_and_check_data(struct sde_rot_entry *entry)
if (IS_ERR_VALUE(ret))
return ret;
ret = sde_rotator_secure_session_ctrl(entry);
secure = (entry->item.flags & SDE_ROTATION_SECURE_CAMERA) ?
true : false;
ret = sde_rotator_secure_session_ctrl(secure);
if (ret) {
SDEROT_ERR("failed secure session enabling/disabling %d\n",
ret);
@ -2194,6 +2191,11 @@ static int sde_rotator_close(struct sde_rot_mgr *mgr,
return -EINVAL;
}
/*
* if secure camera session was enabled
* go back to non secure state
*/
sde_rotator_secure_session_ctrl(false);
sde_rotator_release_rotator_perf_session(mgr, private);
list_del_init(&private->list);