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kms: Post pending updates per device

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Instead of a "post all pending updates", pass an update specific to a
single device. This gets rid of the awkward "combine feedback" function,
and makes it possible to queue updates to a multiple devices without
always posting them together.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1488>
This commit is contained in:
Jonas Ådahl
2020-10-02 10:38:57 +02:00
committed by Marge Bot
parent 5ba2d79076
commit 2df6327367
5 changed files with 124 additions and 119 deletions
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69
src/backends/native/meta-renderer-native.c
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@ -1867,24 +1867,24 @@ ensure_crtc_modes (CoglOnscreen *onscreen)
}
}
static gboolean
static void
unset_disabled_crtcs (MetaBackend *backend,
MetaKms *kms)
{
gboolean did_mode_set = FALSE;
GList *l;
for (l = meta_backend_get_gpus (backend); l; l = l->next)
{
MetaGpu *gpu = l->data;
MetaKmsDevice *kms_device =
meta_gpu_kms_get_kms_device (META_GPU_KMS (gpu));
GList *k;
gboolean did_mode_set = FALSE;
g_autoptr (MetaKmsFeedback) kms_feedback = NULL;
for (k = meta_gpu_get_crtcs (gpu); k; k = k->next)
{
MetaCrtc *crtc = k->data;
MetaKmsCrtc *kms_crtc =
meta_crtc_kms_get_kms_crtc (META_CRTC_KMS (crtc));
MetaKmsDevice *kms_device = meta_kms_crtc_get_device (kms_crtc);
MetaKmsUpdate *kms_update;
if (meta_crtc_get_config (crtc))
@ -1895,23 +1895,20 @@ unset_disabled_crtcs (MetaBackend *backend,
did_mode_set = TRUE;
}
}
return did_mode_set;
}
if (!did_mode_set)
continue;
static void
post_pending_updates (MetaKms *kms)
{
g_autoptr (MetaKmsFeedback) kms_feedback = NULL;
kms_feedback = meta_kms_post_pending_update_sync (kms, kms_device);
if (meta_kms_feedback_get_result (kms_feedback) !=
META_KMS_FEEDBACK_PASSED)
{
const GError *error = meta_kms_feedback_get_error (kms_feedback);
kms_feedback = meta_kms_post_pending_updates_sync (kms);
if (meta_kms_feedback_get_result (kms_feedback) != META_KMS_FEEDBACK_PASSED)
{
const GError *error = meta_kms_feedback_get_error (kms_feedback);
if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED))
g_warning ("Failed to post KMS update: %s", error->message);
if (!g_error_matches (error, G_IO_ERROR,
G_IO_ERROR_PERMISSION_DENIED))
g_warning ("Failed to post KMS update: %s", error->message);
}
}
}
@ -1942,6 +1939,8 @@ meta_onscreen_native_swap_buffers_with_damage (CoglOnscreen *onscreen,
MetaPowerSave power_save_mode;
g_autoptr (GError) error = NULL;
MetaDrmBufferGbm *buffer_gbm;
MetaKmsCrtc *kms_crtc;
MetaKmsDevice *kms_device;
g_autoptr (MetaKmsFeedback) kms_feedback = NULL;
COGL_TRACE_BEGIN_SCOPED (MetaRendererNativeSwapBuffers,
@ -2008,7 +2007,22 @@ meta_onscreen_native_swap_buffers_with_damage (CoglOnscreen *onscreen,
COGL_TRACE_BEGIN (MetaRendererNativePostKmsUpdate,
"Onscreen (post pending update)");
post_pending_updates (kms);
kms_crtc = meta_crtc_kms_get_kms_crtc (META_CRTC_KMS (onscreen_native->crtc));
kms_device = meta_kms_crtc_get_device (kms_crtc);
kms_feedback = meta_kms_post_pending_update_sync (kms, kms_device);
if (meta_kms_feedback_get_result (kms_feedback) != META_KMS_FEEDBACK_PASSED)
{
const GError *error = meta_kms_feedback_get_error (kms_feedback);
MetaGpuKms *gpu_kms =
META_GPU_KMS (meta_crtc_get_gpu (onscreen_native->crtc));
int64_t now_ns;
if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_PERMISSION_DENIED))
g_warning ("Failed to post KMS update: %s", error->message);
now_ns = meta_gpu_kms_get_current_time_ns (gpu_kms);
notify_view_crtc_presented (onscreen_native->view, kms_crtc, now_ns);
}
COGL_TRACE_END (MetaRendererNativePostKmsUpdate);
}
@ -2157,6 +2171,8 @@ meta_onscreen_native_direct_scanout (CoglOnscreen *onscreen,
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaPowerSave power_save_mode;
MetaKmsCrtc *kms_crtc;
MetaKmsDevice *kms_device;
g_autoptr (MetaKmsFeedback) kms_feedback = NULL;
power_save_mode = meta_monitor_manager_get_power_save_mode (monitor_manager);
@ -2179,7 +2195,9 @@ meta_onscreen_native_direct_scanout (CoglOnscreen *onscreen,
meta_onscreen_native_flip_crtcs (onscreen,
META_KMS_PAGE_FLIP_FLAG_NO_DISCARD_FEEDBACK);
kms_feedback = meta_kms_post_pending_updates_sync (kms);
kms_crtc = meta_crtc_kms_get_kms_crtc (META_CRTC_KMS (onscreen_native->crtc));
kms_device = meta_kms_crtc_get_device (kms_crtc);
kms_feedback = meta_kms_post_pending_update_sync (kms, kms_device);
if (meta_kms_feedback_get_result (kms_feedback) != META_KMS_FEEDBACK_PASSED)
{
const GError *feedback_error = meta_kms_feedback_get_error (kms_feedback);
@ -3010,16 +3028,12 @@ meta_renderer_native_finish_frame (MetaRendererNative *renderer_native)
MetaBackend *backend = meta_renderer_get_backend (renderer);
MetaBackendNative *backend_native = META_BACKEND_NATIVE (backend);
MetaKms *kms = meta_backend_native_get_kms (backend_native);
gboolean did_mode_set = FALSE;
if (renderer_native->pending_unset_disabled_crtcs)
{
did_mode_set = unset_disabled_crtcs (backend, kms);
unset_disabled_crtcs (backend, kms);
renderer_native->pending_unset_disabled_crtcs = FALSE;
}
if (did_mode_set)
post_pending_updates (kms);
}
static gboolean
@ -3603,8 +3617,7 @@ meta_renderer_native_reset_modes (MetaRendererNative *renderer_native)
MetaBackendNative *backend_native = META_BACKEND_NATIVE (backend);
MetaKms *kms = meta_backend_native_get_kms (backend_native);
if (unset_disabled_crtcs (backend, kms))
post_pending_updates (kms);
unset_disabled_crtcs (backend, kms);
}
static MetaGpuKms *