From: Sean Paul <seanpaul@xxxxxxxxxxxx>
Instead of doing a full modeset to enable/disable content protection,
simply go through the update_pipe flow which was introduced in the
related patch below. This avoids flashing the screen every time the user
starts viewing protected content.
Related: 634852d1f468 ("drm/i915: HDCP state handling in ddi_update_pipe")
Cc: Ramalingam C <ramalingam.c@xxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_hdcp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index 89a4d294822d..839ce1715253 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -2191,7 +2191,7 @@ void intel_hdcp_atomic_check(struct drm_connector *connector,
return;
}
- crtc_state->mode_changed = true;
+ to_intel_crtc_state(crtc_state)->update_pipe = true;
}
/* Handles the CP_IRQ raised from the DP HDCP sink */
--
Sean Paul, Software Engineer, Google / Chromium OS
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