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drm: Add whether planes are enabled or not to the drm output state

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This will be handy later when trying to determine when it's ok to reuse
output state, as changing this would invalidate previous state.

Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This commit is contained in:
Derek Foreman 2025-10-23 14:26:48 -05:00
parent 2bb8cdba83
commit 87776413ba
2 changed files with 4 additions and 0 deletions
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1
libweston/backend-drm/drm-internal.h
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@ -354,6 +354,7 @@ struct drm_output_state {
enum weston_hdcp_protection protection;
struct wl_list plane_list;
bool tear;
bool planes_enabled;
};
/**

3
libweston/backend-drm/state-propose.c
View file

@ -890,6 +890,7 @@ drm_output_propose_state(struct weston_output *output_base,
pending_state,
DRM_OUTPUT_STATE_CLEAR_PLANES);
state->dpms = WESTON_DPMS_ON;
state->planes_enabled = !output_base->disable_planes;
/* Start with the assumption that we're going to do a tearing commit,
* if the hardware supports it and we're not compositing with the
@ -1249,6 +1250,8 @@ drm_assign_planes(struct weston_output *output_base)
}
assert(state);
assert(state->planes_enabled == !output_base->disable_planes);
drm_debug(b, "\t[repaint] Using %s composition\n",
drm_propose_state_mode_to_string(mode));