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drm/i915/psr: HW will not allow PR on eDP when HDCP enabled

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Take into account in Panel Replay compute config that  HW will not allow PR
on eDP when HDCP enabled.

v2: add debug message to print out why Panel Replay is not possible

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240619062131.4021196-7-jouni.hogander@intel.com
This commit is contained in:
Jouni Högander 2024-06-19 09:21:26 +03:00
parent 397b51ef1a
commit 0bc96a4ba9
1 changed files with 14 additions and 0 deletions
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14
drivers/gpu/drm/i915/display/intel_psr.c
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@ -1523,6 +1523,9 @@ _panel_replay_compute_config(struct intel_dp *intel_dp,
const struct drm_connector_state *conn_state)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
struct intel_connector *connector =
to_intel_connector(conn_state->connector);
struct intel_hdcp *hdcp = &connector->hdcp;
if (!CAN_PANEL_REPLAY(intel_dp))
return false;
@ -1544,6 +1547,17 @@ _panel_replay_compute_config(struct intel_dp *intel_dp,
return false;
}
/* HW will not allow Panel Replay on eDP when HDCP enabled */
if (conn_state->content_protection ==
DRM_MODE_CONTENT_PROTECTION_DESIRED ||
(conn_state->content_protection ==
DRM_MODE_CONTENT_PROTECTION_ENABLED && hdcp->value ==
DRM_MODE_CONTENT_PROTECTION_UNDESIRED)) {
drm_dbg_kms(&i915->drm,
"Panel Replay is not supported with HDCP\n");
return false;
}
return true;
}