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kms/impl: Dont discard page flips in callback when failed up front

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If posting an update resulted in an immediate error, don't communicate
this failure using the page flip feedback callbacks, but directly as a
return value.

This makes it possible for the direct client buffer scanout path not to
pass around flags triggering this behavior, meaning we can handle such
direct scanouts better.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1488>
This commit is contained in:
Jonas Ådahl 2020-10-02 10:11:39 +02:00 committed by Marge Bot
parent 2df6327367
commit a2b8668544
5 changed files with 7 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/backends/native/meta-kms-impl-device-simple.c
View File

@ -814,23 +814,6 @@ process_page_flip (MetaKmsImplDevice *impl_device,
return TRUE;
}
static void
discard_page_flip (MetaKmsImplDevice *impl_device,
MetaKmsUpdate *update,
MetaKmsPageFlip *page_flip)
{
MetaKmsCrtc *crtc;
MetaKmsPageFlipData *page_flip_data;
crtc = page_flip->crtc;
page_flip_data = meta_kms_page_flip_data_new (impl_device,
crtc,
page_flip->feedback,
page_flip->user_data);
meta_kms_page_flip_data_discard_in_impl (page_flip_data, NULL);
meta_kms_page_flip_data_unref (page_flip_data);
}
static gboolean
process_entries (MetaKmsImplDevice *impl_device,
MetaKmsUpdate *update,
@ -1029,7 +1012,6 @@ meta_kms_impl_device_simple_process_update (MetaKmsImplDevice *impl_device,
{
GError *error = NULL;
GList *failed_planes;
GList *l;
if (!process_entries (impl_device,
update,
@ -1073,16 +1055,6 @@ err_planes_not_assigned:
failed_planes = generate_all_failed_feedbacks (update);
err_planes_assigned:
for (l = meta_kms_update_get_page_flips (update); l; l = l->next)
{
MetaKmsPageFlip *page_flip = l->data;
if (page_flip->flags & META_KMS_PAGE_FLIP_FLAG_NO_DISCARD_FEEDBACK)
continue;
discard_page_flip (impl_device, update, page_flip);
}
return meta_kms_feedback_new_failed (failed_planes, error);
}

1
src/backends/native/meta-kms-update-private.h
View File

@ -90,7 +90,6 @@ typedef struct _MetaKmsPageFlip
{
MetaKmsCrtc *crtc;
const MetaKmsPageFlipFeedback *feedback;
MetaKmsPageFlipFlag flags;
gpointer user_data;
} MetaKmsPageFlip;

2
src/backends/native/meta-kms-update.c
View File

@ -325,7 +325,6 @@ void
meta_kms_update_page_flip (MetaKmsUpdate *update,
MetaKmsCrtc *crtc,
const MetaKmsPageFlipFeedback *feedback,
MetaKmsPageFlipFlag flags,
gpointer user_data)
{
MetaKmsPageFlip *page_flip;
@ -337,7 +336,6 @@ meta_kms_update_page_flip (MetaKmsUpdate *update,
*page_flip = (MetaKmsPageFlip) {
.crtc = crtc,
.feedback = feedback,
.flags = flags,
.user_data = user_data,
};

7
src/backends/native/meta-kms-update.h
View File

@ -42,12 +42,6 @@ typedef enum _MetaKmsAssignPlaneFlag
META_KMS_ASSIGN_PLANE_FLAG_FB_UNCHANGED = 1 << 0,
} MetaKmsAssignPlaneFlag;
typedef enum _MetaKmsPageFlipFlag
{
META_KMS_PAGE_FLIP_FLAG_NONE = 0,
META_KMS_PAGE_FLIP_FLAG_NO_DISCARD_FEEDBACK = 1 << 0,
} MetaKmsPageFlipFlag;
struct _MetaKmsPageFlipFeedback
{
void (* flipped) (MetaKmsCrtc *crtc,
@ -125,7 +119,6 @@ MetaKmsPlaneAssignment * meta_kms_update_unassign_plane (MetaKmsUpdate *update,
void meta_kms_update_page_flip (MetaKmsUpdate *update,
MetaKmsCrtc *crtc,
const MetaKmsPageFlipFeedback *feedback,
MetaKmsPageFlipFlag flags,
gpointer user_data);
void meta_kms_update_set_custom_page_flip (MetaKmsUpdate *update,

19
src/backends/native/meta-renderer-native.c
View File

@ -1250,10 +1250,9 @@ queue_dummy_power_save_page_flip (CoglOnscreen *onscreen)
}
static void
meta_onscreen_native_flip_crtc (CoglOnscreen *onscreen,
MetaRendererView *view,
MetaCrtc *crtc,
MetaKmsPageFlipFlag flags)
meta_onscreen_native_flip_crtc (CoglOnscreen *onscreen,
MetaRendererView *view,
MetaCrtc *crtc)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
@ -1305,7 +1304,6 @@ meta_onscreen_native_flip_crtc (CoglOnscreen *onscreen,
meta_kms_update_page_flip (kms_update,
meta_crtc_kms_get_kms_crtc (crtc_kms),
&page_flip_feedback,
flags,
g_object_ref (view));
}
@ -1348,8 +1346,7 @@ meta_onscreen_native_set_crtc_mode (CoglOnscreen *onscreen,
}
static void
meta_onscreen_native_flip_crtcs (CoglOnscreen *onscreen,
MetaKmsPageFlipFlag flags)
meta_onscreen_native_flip_crtcs (CoglOnscreen *onscreen)
{
CoglOnscreenEGL *onscreen_egl = onscreen->winsys;
MetaOnscreenNative *onscreen_native = onscreen_egl->platform;
@ -1358,8 +1355,7 @@ meta_onscreen_native_flip_crtcs (CoglOnscreen *onscreen,
COGL_TRACE_BEGIN_SCOPED (MetaOnscreenNativeFlipCrtcs,
"Onscreen (flip CRTCs)");
meta_onscreen_native_flip_crtc (onscreen, view, onscreen_native->crtc,
flags);
meta_onscreen_native_flip_crtc (onscreen, view, onscreen_native->crtc);
}
static gboolean
@ -1988,7 +1984,7 @@ meta_onscreen_native_swap_buffers_with_damage (CoglOnscreen *onscreen,
if (power_save_mode == META_POWER_SAVE_ON)
{
ensure_crtc_modes (onscreen);
meta_onscreen_native_flip_crtcs (onscreen, META_KMS_PAGE_FLIP_FLAG_NONE);
meta_onscreen_native_flip_crtcs (onscreen);
}
else
{
@ -2192,8 +2188,7 @@ meta_onscreen_native_direct_scanout (CoglOnscreen *onscreen,
g_set_object (&onscreen_native->gbm.next_fb, META_DRM_BUFFER (scanout));
ensure_crtc_modes (onscreen);
meta_onscreen_native_flip_crtcs (onscreen,
META_KMS_PAGE_FLIP_FLAG_NO_DISCARD_FEEDBACK);
meta_onscreen_native_flip_crtcs (onscreen);
kms_crtc = meta_crtc_kms_get_kms_crtc (META_CRTC_KMS (onscreen_native->crtc));
kms_device = meta_kms_crtc_get_device (kms_crtc);