* Sean Paul <seanpaul@chromium.org>
*/
-#include <drm/drmP.h>
#include <drm/drm_hdcp.h>
#include <linux/i2c.h>
#include <linux/random.h>
#include "i915_reg.h"
#define KEY_LOAD_TRIES 5
+#define ENCRYPT_STATUS_CHANGE_TIMEOUT_MS 50
static
bool intel_hdcp_is_ksv_valid(u8 *ksv)
/*
* Initiate loading the HDCP key from fuses.
*
- * BXT+ platforms, HDCP key needs to be loaded by SW. Only SKL and KBL
- * differ in the key load trigger process from other platforms.
+ * BXT+ platforms, HDCP key needs to be loaded by SW. Only Gen 9
+ * platforms except BXT and GLK, differ in the key load trigger process
+ * from other platforms. So GEN9_BC uses the GT Driver Mailbox i/f.
*/
- if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
+ if (IS_GEN9_BC(dev_priv)) {
mutex_lock(&dev_priv->pcu_lock);
ret = sandybridge_pcode_write(dev_priv,
SKL_PCODE_LOAD_HDCP_KEYS, 1);
/* Wait for encryption confirmation */
if (intel_wait_for_register(dev_priv, PORT_HDCP_STATUS(port),
- HDCP_STATUS_ENC, HDCP_STATUS_ENC, 20)) {
+ HDCP_STATUS_ENC, HDCP_STATUS_ENC,
+ ENCRYPT_STATUS_CHANGE_TIMEOUT_MS)) {
DRM_ERROR("Timed out waiting for encryption\n");
return -ETIMEDOUT;
}
I915_WRITE(PORT_HDCP_CONF(port), 0);
if (intel_wait_for_register(dev_priv, PORT_HDCP_STATUS(port), ~0, 0,
- 20)) {
+ ENCRYPT_STATUS_CHANGE_TIMEOUT_MS)) {
DRM_ERROR("Failed to disable HDCP, timeout clearing status\n");
return -ETIMEDOUT;
}
bool is_hdcp_supported(struct drm_i915_private *dev_priv, enum port port)
{
/* PORT E doesn't have HDCP, and PORT F is disabled */
- return ((INTEL_GEN(dev_priv) >= 8 || IS_HASWELL(dev_priv)) &&
- !IS_CHERRYVIEW(dev_priv) && port < PORT_E);
+ return INTEL_GEN(dev_priv) >= 9 && port < PORT_E;
}
int intel_hdcp_init(struct intel_connector *connector,
struct drm_connector_state *old_state,
struct drm_connector_state *new_state)
{
- uint64_t old_cp = old_state->content_protection;
- uint64_t new_cp = new_state->content_protection;
+ u64 old_cp = old_state->content_protection;
+ u64 new_cp = new_state->content_protection;
struct drm_crtc_state *crtc_state;
if (!new_state->crtc) {