mutter/src/backends/native/meta-kms-update.c
Jonas Ådahl 6e3ecadb79 backends/native: Fall back to compositing if direct scanout failed
Even when a direct client buffer has a compatible format, stride and
modifier for direct scanout, drmModePageFlip() may still fail sometimes.

From testing, it has been observed that it may seemingly randomly fail
with ENOSPC, where all subsequent attempts later on the same CRTC
failing with EBUSY.

Handle this by falling back to flipping after having composited a full
frame again.

Closes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1410
2020-09-17 12:17:35 +00:00

433 lines
11 KiB
C

/*
* Copyright (C) 2018 Red Hat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "config.h"
#include "backends/native/meta-kms-update.h"
#include "backends/native/meta-kms-update-private.h"
#include "backends/meta-display-config-shared.h"
#include "backends/native/meta-kms-plane.h"
struct _MetaKmsUpdate
{
gboolean is_sealed;
MetaPowerSave power_save;
GList *mode_sets;
GList *plane_assignments;
GList *page_flips;
GList *connector_properties;
GList *crtc_gammas;
};
void
meta_kms_plane_feedback_free (MetaKmsPlaneFeedback *plane_feedback)
{
g_error_free (plane_feedback->error);
g_free (plane_feedback);
}
MetaKmsPlaneFeedback *
meta_kms_plane_feedback_new_take_error (MetaKmsPlane *plane,
MetaKmsCrtc *crtc,
GError *error)
{
MetaKmsPlaneFeedback *plane_feedback;
plane_feedback = g_new0 (MetaKmsPlaneFeedback, 1);
*plane_feedback = (MetaKmsPlaneFeedback) {
.plane = plane,
.crtc = crtc,
.error = error,
};
return plane_feedback;
}
MetaKmsFeedback *
meta_kms_feedback_new_passed (void)
{
MetaKmsFeedback *feedback;
feedback = g_new0 (MetaKmsFeedback, 1);
*feedback = (MetaKmsFeedback) {
.result = META_KMS_FEEDBACK_PASSED,
};
return feedback;
}
MetaKmsFeedback *
meta_kms_feedback_new_failed (GList *failed_planes,
GError *error)
{
MetaKmsFeedback *feedback;
feedback = g_new0 (MetaKmsFeedback, 1);
*feedback = (MetaKmsFeedback) {
.result = META_KMS_FEEDBACK_FAILED,
.error = error,
.failed_planes = failed_planes,
};
return feedback;
}
void
meta_kms_feedback_free (MetaKmsFeedback *feedback)
{
g_list_free_full (feedback->failed_planes,
(GDestroyNotify) meta_kms_plane_feedback_free);
g_clear_error (&feedback->error);
g_free (feedback);
}
MetaKmsFeedbackResult
meta_kms_feedback_get_result (MetaKmsFeedback *feedback)
{
return feedback->result;
}
GList *
meta_kms_feedback_get_failed_planes (MetaKmsFeedback *feedback)
{
return feedback->failed_planes;
}
const GError *
meta_kms_feedback_get_error (MetaKmsFeedback *feedback)
{
return feedback->error;
}
static MetaKmsProperty *
meta_kms_property_new (uint32_t prop_id,
uint64_t value)
{
MetaKmsProperty *prop;
prop = g_new0 (MetaKmsProperty, 1);
*prop = (MetaKmsProperty) {
.prop_id = prop_id,
.value = value,
};
return prop;
}
static void
meta_kms_property_free (MetaKmsProperty *prop)
{
g_free (prop);
}
static void
meta_kms_plane_assignment_free (MetaKmsPlaneAssignment *plane_assignment)
{
g_list_free_full (plane_assignment->plane_properties,
(GDestroyNotify) meta_kms_property_free);
g_free (plane_assignment);
}
static void
meta_kms_mode_set_free (MetaKmsModeSet *mode_set)
{
g_free (mode_set->drm_mode);
g_list_free (mode_set->connectors);
g_free (mode_set);
}
MetaKmsPlaneAssignment *
meta_kms_update_assign_plane (MetaKmsUpdate *update,
MetaKmsCrtc *crtc,
MetaKmsPlane *plane,
uint32_t fb_id,
MetaFixed16Rectangle src_rect,
MetaFixed16Rectangle dst_rect,
MetaKmsAssignPlaneFlag flags)
{
MetaKmsPlaneAssignment *plane_assignment;
g_assert (!meta_kms_update_is_sealed (update));
plane_assignment = g_new0 (MetaKmsPlaneAssignment, 1);
*plane_assignment = (MetaKmsPlaneAssignment) {
.update = update,
.crtc = crtc,
.plane = plane,
.fb_id = fb_id,
.src_rect = src_rect,
.dst_rect = dst_rect,
.flags = flags,
};
update->plane_assignments = g_list_prepend (update->plane_assignments,
plane_assignment);
return plane_assignment;
}
MetaKmsPlaneAssignment *
meta_kms_update_unassign_plane (MetaKmsUpdate *update,
MetaKmsCrtc *crtc,
MetaKmsPlane *plane)
{
MetaKmsPlaneAssignment *plane_assignment;
g_assert (!meta_kms_update_is_sealed (update));
plane_assignment = g_new0 (MetaKmsPlaneAssignment, 1);
*plane_assignment = (MetaKmsPlaneAssignment) {
.update = update,
.crtc = crtc,
.plane = plane,
.fb_id = 0,
};
update->plane_assignments = g_list_prepend (update->plane_assignments,
plane_assignment);
return plane_assignment;
}
void
meta_kms_update_mode_set (MetaKmsUpdate *update,
MetaKmsCrtc *crtc,
GList *connectors,
const drmModeModeInfo *drm_mode)
{
MetaKmsModeSet *mode_set;
g_assert (!meta_kms_update_is_sealed (update));
mode_set = g_new0 (MetaKmsModeSet, 1);
*mode_set = (MetaKmsModeSet) {
.crtc = crtc,
.connectors = connectors,
.drm_mode = drm_mode ? g_memdup (drm_mode, sizeof *drm_mode) : NULL,
};
update->mode_sets = g_list_prepend (update->mode_sets, mode_set);
}
void
meta_kms_update_set_connector_property (MetaKmsUpdate *update,
MetaKmsConnector *connector,
uint32_t prop_id,
uint64_t value)
{
MetaKmsConnectorProperty *prop;
g_assert (!meta_kms_update_is_sealed (update));
prop = g_new0 (MetaKmsConnectorProperty, 1);
*prop = (MetaKmsConnectorProperty) {
.connector = connector,
.prop_id = prop_id,
.value = value,
};
update->connector_properties = g_list_prepend (update->connector_properties,
prop);
}
static void
meta_kms_crtc_gamma_free (MetaKmsCrtcGamma *gamma)
{
g_free (gamma->red);
g_free (gamma->green);
g_free (gamma->blue);
g_free (gamma);
}
void
meta_kms_update_set_crtc_gamma (MetaKmsUpdate *update,
MetaKmsCrtc *crtc,
int size,
const uint16_t *red,
const uint16_t *green,
const uint16_t *blue)
{
MetaKmsCrtcGamma *gamma;
g_assert (!meta_kms_update_is_sealed (update));
gamma = g_new0 (MetaKmsCrtcGamma, 1);
*gamma = (MetaKmsCrtcGamma) {
.crtc = crtc,
.size = size,
.red = g_memdup (red, size * sizeof *red),
.green = g_memdup (green, size * sizeof *green),
.blue = g_memdup (blue, size * sizeof *blue),
};
update->crtc_gammas = g_list_prepend (update->crtc_gammas, gamma);
}
void
meta_kms_update_page_flip (MetaKmsUpdate *update,
MetaKmsCrtc *crtc,
const MetaKmsPageFlipFeedback *feedback,
MetaKmsPageFlipFlag flags,
gpointer user_data)
{
MetaKmsPageFlip *page_flip;
g_assert (!meta_kms_update_is_sealed (update));
page_flip = g_new0 (MetaKmsPageFlip, 1);
*page_flip = (MetaKmsPageFlip) {
.crtc = crtc,
.feedback = feedback,
.flags = flags,
.user_data = user_data,
};
update->page_flips = g_list_prepend (update->page_flips, page_flip);
}
void
meta_kms_update_custom_page_flip (MetaKmsUpdate *update,
MetaKmsCrtc *crtc,
const MetaKmsPageFlipFeedback *feedback,
gpointer user_data,
MetaKmsCustomPageFlipFunc custom_page_flip_func,
gpointer custom_page_flip_user_data)
{
MetaKmsPageFlip *page_flip;
g_assert (!meta_kms_update_is_sealed (update));
page_flip = g_new0 (MetaKmsPageFlip, 1);
*page_flip = (MetaKmsPageFlip) {
.crtc = crtc,
.feedback = feedback,
.user_data = user_data,
.custom_page_flip_func = custom_page_flip_func,
.custom_page_flip_user_data = custom_page_flip_user_data,
};
update->page_flips = g_list_prepend (update->page_flips, page_flip);
}
void
meta_kms_plane_assignment_set_plane_property (MetaKmsPlaneAssignment *plane_assignment,
uint32_t prop_id,
uint64_t value)
{
MetaKmsProperty *plane_prop;
g_assert (!meta_kms_update_is_sealed (plane_assignment->update));
plane_prop = meta_kms_property_new (prop_id, value);
plane_assignment->plane_properties =
g_list_prepend (plane_assignment->plane_properties, plane_prop);
}
void
meta_kms_plane_assignment_set_cursor_hotspot (MetaKmsPlaneAssignment *plane_assignment,
int x,
int y)
{
plane_assignment->cursor_hotspot.is_valid = TRUE;
plane_assignment->cursor_hotspot.x = x;
plane_assignment->cursor_hotspot.y = y;
}
MetaKmsPlaneAssignment *
meta_kms_update_get_primary_plane_assignment (MetaKmsUpdate *update,
MetaKmsCrtc *crtc)
{
GList *l;
for (l = meta_kms_update_get_plane_assignments (update); l; l = l->next)
{
MetaKmsPlaneAssignment *plane_assignment = l->data;
if (plane_assignment->crtc == crtc)
return plane_assignment;
}
return NULL;
}
GList *
meta_kms_update_get_plane_assignments (MetaKmsUpdate *update)
{
return update->plane_assignments;
}
GList *
meta_kms_update_get_mode_sets (MetaKmsUpdate *update)
{
return update->mode_sets;
}
GList *
meta_kms_update_get_page_flips (MetaKmsUpdate *update)
{
return update->page_flips;
}
GList *
meta_kms_update_get_connector_properties (MetaKmsUpdate *update)
{
return update->connector_properties;
}
GList *
meta_kms_update_get_crtc_gammas (MetaKmsUpdate *update)
{
return update->crtc_gammas;
}
void
meta_kms_update_seal (MetaKmsUpdate *update)
{
update->is_sealed = TRUE;
}
gboolean
meta_kms_update_is_sealed (MetaKmsUpdate *update)
{
return update->is_sealed;
}
MetaKmsUpdate *
meta_kms_update_new (void)
{
return g_new0 (MetaKmsUpdate, 1);
}
void
meta_kms_update_free (MetaKmsUpdate *update)
{
g_list_free_full (update->plane_assignments,
(GDestroyNotify) meta_kms_plane_assignment_free);
g_list_free_full (update->mode_sets,
(GDestroyNotify) meta_kms_mode_set_free);
g_list_free_full (update->page_flips, g_free);
g_list_free_full (update->connector_properties, g_free);
g_list_free_full (update->crtc_gammas, (GDestroyNotify) meta_kms_crtc_gamma_free);
g_free (update);
}