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kms: Don't commit anything before updating the mode

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Victoria Brekenfeld 2025-07-17 13:17:37 +02:00 • committed by Victoria Brekenfeld
parent e34a289c01
commit 87742c1e0c
1 changed files with 16 additions and 37 deletions
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53
src/backend/kms/mod.rs
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@ -762,7 +762,6 @@ impl<'a> KmsGuard<'a> {
.context("Failed to enable devices")?;
}
let mut all_outputs = Vec::new();
for device in self.drm_devices.values_mut() {
let now = clock.now();
let output_map = device
@ -772,28 +771,6 @@ impl<'a> KmsGuard<'a> {
.map(|(crtc, surface)| (*crtc, surface.output.clone()))
.collect::<HashMap<_, _>>();
// configure primary scanout allowance
if !device.surfaces.is_empty() {
let mut renderer = self
.api
.single_renderer(&device.render_node)
.with_context(|| "Failed to create renderer")?;
device
.allow_primary_scanout_any(
device
.surfaces
.values()
.filter(|s| s.output.is_enabled() && s.output.mirroring().is_none())
.count()
<= 1,
&mut renderer,
clock,
&shell,
)
.context("Failed to switch primary-plane scanout flags")?;
}
// reconfigure existing
for (crtc, surface) in device.surfaces.iter_mut() {
let output_config = surface.output.config();
@ -972,26 +949,27 @@ impl<'a> KmsGuard<'a> {
}
}
all_outputs.extend(
device
.outputs
.iter()
.filter(|(conn, _)| {
!device
.leased_connectors
.iter()
.any(|(leased_conn, _)| *conn == leased_conn)
})
.map(|(_, output)| output.clone())
.collect::<Vec<_>>(),
);
// configure primary scanout allowance
if !device.surfaces.is_empty() {
let mut renderer = self
.api
.single_renderer(&device.render_node)
.with_context(|| "Failed to create renderer")?;
device
.allow_primary_scanout_any(
device
.surfaces
.values()
.filter(|s| s.output.is_enabled() && s.output.mirroring().is_none())
.count()
<= 1,
&mut renderer,
clock,
&shell,
)
.context("Failed to switch primary-plane scanout flags")?;
let mut elements = DrmOutputRenderElements::default();
for (crtc, output) in output_map.iter() {
let output_elements = output_elements(
@ -1018,6 +996,7 @@ impl<'a> KmsGuard<'a> {
}
// we need to handle mirroring, after all outputs have been enabled
let all_outputs = self.all_outputs();
for device in self.drm_devices.values_mut() {
for surface in device.surfaces.values_mut() {
let mirrored_output =