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kms: Add CRTC representation

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Add MetaKmsCrtc to represent a CRTC on the associated device. Change
MetaCrtcKms to use the ones discovered by the KMS abstraction. It still
reads the resources handed over by MetaGpuKms, but eventually it will
use only MetaKmsCrtc.

MetaKmsCrtc is a type of object that is usable both from an impl task
and from outside. All the API exposed via the non-private header is
expected to be accessible from outside of the meta-kms namespace.

https://gitlab.gnome.org/GNOME/mutter/issues/548
https://gitlab.gnome.org/GNOME/mutter/merge_requests/525
This commit is contained in:
Jonas Ådahl 2019-01-29 18:33:00 +01:00 committed by Georges Basile Stavracas Neto
parent fef5753a19
commit 15a2ccd21b
12 changed files with 245 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/backends/native/meta-crtc-kms.c
View File

@ -40,7 +40,8 @@
typedef struct _MetaCrtcKms
{
unsigned int index;
MetaKmsCrtc *kms_crtc;
uint32_t primary_plane_id;
uint32_t rotation_prop_id;
uint32_t rotation_map[ALL_TRANSFORMS];
@ -409,6 +410,7 @@ init_crtc_rotations (MetaCrtc *crtc,
drmModePlaneRes *planes;
drmModePlane *drm_plane;
unsigned int i;
int crtc_idx;
kms_fd = meta_gpu_kms_get_fd (gpu_kms);
@ -416,6 +418,7 @@ init_crtc_rotations (MetaCrtc *crtc,
if (planes == NULL)
return;
crtc_idx = meta_kms_crtc_get_idx (crtc_kms->kms_crtc);
for (i = 0; i < planes->count_planes; i++)
{
drmModePropertyPtr prop;
@ -425,7 +428,7 @@ init_crtc_rotations (MetaCrtc *crtc,
if (!drm_plane)
continue;
if ((drm_plane->possible_crtcs & (1 << crtc_kms->index)))
if ((drm_plane->possible_crtcs & (1 << crtc_idx)))
{
props = drmModeObjectGetProperties (kms_fd,
drm_plane->plane_id,
@ -493,8 +496,8 @@ meta_crtc_destroy_notify (MetaCrtc *crtc)
MetaCrtc *
meta_create_kms_crtc (MetaGpuKms *gpu_kms,
drmModeCrtc *drm_crtc,
unsigned int crtc_index)
MetaKmsCrtc *kms_crtc,
drmModeCrtc *drm_crtc)
{
MetaGpu *gpu = META_GPU (gpu_kms);
MetaCrtc *crtc;
@ -503,7 +506,7 @@ meta_create_kms_crtc (MetaGpuKms *gpu_kms,
crtc = g_object_new (META_TYPE_CRTC, NULL);
crtc->gpu = gpu;
crtc->crtc_id = drm_crtc->crtc_id;
crtc->crtc_id = meta_kms_crtc_get_id (kms_crtc);
crtc->rect.x = drm_crtc->x;
crtc->rect.y = drm_crtc->y;
crtc->rect.width = drm_crtc->width;
@ -529,7 +532,7 @@ meta_create_kms_crtc (MetaGpuKms *gpu_kms,
}
crtc_kms = g_new0 (MetaCrtcKms, 1);
crtc_kms->index = crtc_index;
crtc_kms->kms_crtc = kms_crtc;
crtc_kms->formats_modifiers =
g_hash_table_new_full (g_direct_hash,

5
src/backends/native/meta-crtc-kms.h
View File

@ -29,6 +29,7 @@
#include "backends/meta-backend-types.h"
#include "backends/meta-crtc.h"
#include "backends/native/meta-gpu-kms.h"
#include "backends/native/meta-kms-crtc.h"
typedef struct _MetaDrmFormatBuf
{
@ -55,7 +56,7 @@ meta_crtc_kms_supports_format (MetaCrtc *crtc,
uint32_t drm_format);
MetaCrtc * meta_create_kms_crtc (MetaGpuKms *gpu_kms,
drmModeCrtc *drm_crtc,
unsigned int crtc_index);
MetaKmsCrtc *kms_crtc,
drmModeCrtc *drm_crtc);
#endif /* META_CRTC_KMS_H */

14
src/backends/native/meta-gpu-kms.c
View File

@ -706,21 +706,23 @@ init_crtcs (MetaGpuKms *gpu_kms,
MetaKmsResources *resources)
{
MetaGpu *gpu = META_GPU (gpu_kms);
MetaKmsDevice *kms_device = gpu_kms->kms_device;
GList *l;
GList *crtcs;
unsigned int i;
crtcs = NULL;
for (i = 0; i < (unsigned int) resources->resources->count_crtcs; i++)
for (l = meta_kms_device_get_crtcs (kms_device); l; l = l->next)
{
MetaKmsCrtc *kms_crtc = l->data;
int crtc_idx;
drmModeCrtc *drm_crtc;
MetaCrtc *crtc;
crtc_idx = meta_kms_crtc_get_idx (kms_crtc);
drm_crtc = drmModeGetCrtc (gpu_kms->fd,
resources->resources->crtcs[i]);
crtc = meta_create_kms_crtc (gpu_kms, drm_crtc, i);
resources->resources->crtcs[crtc_idx]);
crtc = meta_create_kms_crtc (gpu_kms, kms_crtc, drm_crtc);
drmModeFreeCrtc (drm_crtc);
crtcs = g_list_append (crtcs, crtc);

31
src/backends/native/meta-kms-crtc-private.h Normal file
View File

@ -0,0 +1,31 @@
/*
* Copyright (C) 2019 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.
*/
#ifndef META_KMS_CRTC_PRIVATE_H
#define META_KMS_CRTC_PRIVATE_H
#include <xf86drmMode.h>
#include "backends/native/meta-kms-types.h"
MetaKmsCrtc * meta_kms_crtc_new (MetaKmsImplDevice *impl_device,
drmModeCrtc *drm_crtc,
int idx);
#endif /* META_KMS_CRTC_PRIVATE_H */

80
src/backends/native/meta-kms-crtc.c Normal file
View File

@ -0,0 +1,80 @@
/*
* Copyright (C) 2019 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-crtc.h"
#include "backends/native/meta-kms-crtc-private.h"
#include "backends/native/meta-kms-impl-device.h"
struct _MetaKmsCrtc
{
GObject parent;
MetaKmsDevice *device;
uint32_t id;
int idx;
};
G_DEFINE_TYPE (MetaKmsCrtc, meta_kms_crtc, G_TYPE_OBJECT)
MetaKmsDevice *
meta_kms_crtc_get_device (MetaKmsCrtc *crtc)
{
return crtc->device;
}
uint32_t
meta_kms_crtc_get_id (MetaKmsCrtc *crtc)
{
return crtc->id;
}
int
meta_kms_crtc_get_idx (MetaKmsCrtc *crtc)
{
return crtc->idx;
}
MetaKmsCrtc *
meta_kms_crtc_new (MetaKmsImplDevice *impl_device,
drmModeCrtc *drm_crtc,
int idx)
{
MetaKmsCrtc *crtc;
crtc = g_object_new (META_TYPE_KMS_CRTC, NULL);
crtc->device = meta_kms_impl_device_get_device (impl_device);
crtc->id = drm_crtc->crtc_id;
crtc->idx = idx;
return crtc;
}
static void
meta_kms_crtc_init (MetaKmsCrtc *crtc)
{
}
static void
meta_kms_crtc_class_init (MetaKmsCrtcClass *klass)
{
}

40
src/backends/native/meta-kms-crtc.h Normal file
View File

@ -0,0 +1,40 @@
/*
* Copyright (C) 2019 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.
*/
#ifndef META_KMS_CRTC_H
#define META_KMS_CRTC_H
#include <glib-object.h>
#include <stdint.h>
#include <xf86drmMode.h>
#include "backends/native/meta-kms-types.h"
#define META_TYPE_KMS_CRTC (meta_kms_crtc_get_type ())
G_DECLARE_FINAL_TYPE (MetaKmsCrtc, meta_kms_crtc,
META, KMS_CRTC,
GObject)
MetaKmsDevice * meta_kms_crtc_get_device (MetaKmsCrtc *crtc);
uint32_t meta_kms_crtc_get_id (MetaKmsCrtc *crtc);
int meta_kms_crtc_get_idx (MetaKmsCrtc *crtc);
#endif /* META_KMS_CRTC_H */

13
src/backends/native/meta-kms-device.c
View File

@ -36,6 +36,8 @@ struct _MetaKmsDevice
MetaKmsDeviceFlag flags;
char *path;
GList *crtcs;
};
G_DEFINE_TYPE (MetaKmsDevice, meta_kms_device, G_TYPE_OBJECT);
@ -58,12 +60,19 @@ meta_kms_device_get_flags (MetaKmsDevice *device)
return device->flags;
}
GList *
meta_kms_device_get_crtcs (MetaKmsDevice *device)
{
return device->crtcs;
}
typedef struct _CreateImplDeviceData
{
MetaKmsDevice *device;
int fd;
MetaKmsImplDevice *out_impl_device;
GList *out_crtcs;
} CreateImplDeviceData;
static gboolean
@ -77,6 +86,7 @@ create_impl_device_in_impl (MetaKmsImpl *impl,
impl_device = meta_kms_impl_device_new (data->device, impl, data->fd);
data->out_impl_device = impl_device;
data->out_crtcs = meta_kms_impl_device_copy_crtcs (impl_device);
return TRUE;
}
@ -116,6 +126,7 @@ meta_kms_device_new (MetaKms *kms,
device->impl_device = data.out_impl_device;
device->flags = flags;
device->path = g_strdup (path);
device->crtcs = data.out_crtcs;
return device;
}
@ -154,6 +165,8 @@ meta_kms_device_finalize (GObject *object)
FreeImplDeviceData data;
GError *error = NULL;
g_list_free (device->crtcs);
data = (FreeImplDeviceData) {
.impl_device = device->impl_device,
};

2
src/backends/native/meta-kms-device.h
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@ -35,6 +35,8 @@ const char * meta_kms_device_get_path (MetaKmsDevice *device);
MetaKmsDeviceFlag meta_kms_device_get_flags (MetaKmsDevice *device);
GList * meta_kms_device_get_crtcs (MetaKmsDevice *device);
MetaKmsDevice * meta_kms_device_new (MetaKms *kms,
const char *path,
MetaKmsDeviceFlag flags,

52
src/backends/native/meta-kms-impl-device.c
View File

@ -21,6 +21,10 @@
#include "backends/native/meta-kms-impl-device.h"
#include <xf86drm.h>
#include "backends/native/meta-kms-crtc-private.h"
#include "backends/native/meta-kms-crtc.h"
#include "backends/native/meta-kms-impl.h"
#include "backends/native/meta-kms-private.h"
@ -32,6 +36,8 @@ struct _MetaKmsImplDevice
MetaKmsImpl *impl;
int fd;
GList *crtcs;
};
G_DEFINE_TYPE (MetaKmsImplDevice, meta_kms_impl_device, G_TYPE_OBJECT)
@ -42,12 +48,39 @@ meta_kms_impl_device_get_device (MetaKmsImplDevice *impl_device)
return impl_device->device;
}
GList *
meta_kms_impl_device_copy_crtcs (MetaKmsImplDevice *impl_device)
{
return g_list_copy (impl_device->crtcs);
}
static void
init_crtcs (MetaKmsImplDevice *impl_device,
drmModeRes *drm_resources)
{
int idx;
for (idx = 0; idx < drm_resources->count_crtcs; idx++)
{
drmModeCrtc *drm_crtc;
MetaKmsCrtc *crtc;
drm_crtc = drmModeGetCrtc (impl_device->fd, drm_resources->crtcs[idx]);
crtc = meta_kms_crtc_new (impl_device, drm_crtc, idx);
drmModeFreeCrtc (drm_crtc);
impl_device->crtcs = g_list_prepend (impl_device->crtcs, crtc);
}
impl_device->crtcs = g_list_reverse (impl_device->crtcs);
}
MetaKmsImplDevice *
meta_kms_impl_device_new (MetaKmsDevice *device,
MetaKmsImpl *impl,
int fd)
{
MetaKmsImplDevice *impl_device;
drmModeRes *drm_resources;
meta_assert_in_kms_impl (meta_kms_impl_get_kms (impl));
@ -56,6 +89,12 @@ meta_kms_impl_device_new (MetaKmsDevice *device,
impl_device->impl = impl;
impl_device->fd = fd;
drm_resources = drmModeGetResources (fd);
init_crtcs (impl_device, drm_resources);
drmModeFreeResources (drm_resources);
return impl_device;
}
@ -86,6 +125,16 @@ meta_kms_impl_device_close (MetaKmsImplDevice *impl_device)
return fd;
}
static void
meta_kms_impl_device_finalize (GObject *object)
{
MetaKmsImplDevice *impl_device = META_KMS_IMPL_DEVICE (object);
g_list_free_full (impl_device->crtcs, g_object_unref);
G_OBJECT_CLASS (meta_kms_impl_device_parent_class)->finalize (object);
}
static void
meta_kms_impl_device_init (MetaKmsImplDevice *device)
{
@ -94,5 +143,8 @@ meta_kms_impl_device_init (MetaKmsImplDevice *device)
static void
meta_kms_impl_device_class_init (MetaKmsImplDeviceClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_kms_impl_device_finalize;
}

2
src/backends/native/meta-kms-impl-device.h
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@ -33,6 +33,8 @@ G_DECLARE_FINAL_TYPE (MetaKmsImplDevice, meta_kms_impl_device,
MetaKmsDevice * meta_kms_impl_device_get_device (MetaKmsImplDevice *impl_device);
GList * meta_kms_impl_device_copy_crtcs (MetaKmsImplDevice *impl_device);
int meta_kms_impl_device_get_fd (MetaKmsImplDevice *impl_device);
int meta_kms_impl_device_leak_fd (MetaKmsImplDevice *impl_device);

2
src/backends/native/meta-kms-types.h
View File

@ -23,6 +23,8 @@
typedef struct _MetaKms MetaKms;
typedef struct _MetaKmsDevice MetaKmsDevice;
typedef struct _MetaKmsCrtc MetaKmsCrtc;
typedef struct _MetaKmsImpl MetaKmsImpl;
typedef struct _MetaKmsImplDevice MetaKmsImplDevice;

3
src/meson.build
View File

@ -595,6 +595,9 @@ if have_native_backend
'backends/native/meta-output-kms.c',
'backends/native/meta-output-kms.h',
'backends/native/meta-renderer-native.c',
'backends/native/meta-kms-crtc-private.h',
'backends/native/meta-kms-crtc.c',
'backends/native/meta-kms-crtc.h',
'backends/native/meta-kms-device.c',
'backends/native/meta-kms-device.h',
'backends/native/meta-kms-impl-device.c',