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backends/native: Move output code to its own file

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Move code dealing with MetaOutputKms and related functionality to its
own file. Eventually, MetaOutputKms should become a GObject based on
MetaOutput, and this commit is in preparation for that.

https://bugzilla.gnome.org/show_bug.cgi?id=785381
This commit is contained in:
Jonas Ådahl 2017-07-04 12:11:44 +08:00
parent e0d839aea2
commit 7ea01693a7
7 changed files with 741 additions and 558 deletions
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2
src/Makefile.am
View file

@ -457,6 +457,8 @@ libmutter_@LIBMUTTER_API_VERSION@_la_SOURCES += \
backends/native/meta-monitor-manager-kms.h \
backends/native/meta-launcher.c \
backends/native/meta-launcher.h \
backends/native/meta-output-kms.c \
backends/native/meta-output-kms.h \
backends/native/meta-renderer-native.c \
backends/native/meta-renderer-native.h \
backends/native/meta-stage-native.c \

2
src/backends/native/gen-default-modes.py
View file

@ -51,7 +51,7 @@ common_resolutions = [
output_lines = [
"/* Generated by gen-default-modes.py */\n",
"const drmModeModeInfo meta_default_drm_mode_infos[] = {",
"static const drmModeModeInfo meta_default_drm_mode_infos[] = {",
]
def sync_flags(hsync, vsync):

2
src/backends/native/meta-default-modes.h
View file

@ -1,6 +1,6 @@
/* Generated by gen-default-modes.py */
const drmModeModeInfo meta_default_drm_mode_infos[] = {
static const drmModeModeInfo meta_default_drm_mode_infos[] = {
{ 38250, 800, 832, 912, 1024, 0, 600, 603, 607, 624, 0, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC, DRM_MODE_TYPE_DEFAULT, "800x600_60.00" },
{ 63500, 1024, 1072, 1176, 1328, 0, 768, 771, 775, 798, 0, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC, DRM_MODE_TYPE_DEFAULT, "1024x768_60.00" },
{ 81750, 1152, 1216, 1336, 1520, 0, 864, 867, 871, 897, 0, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC, DRM_MODE_TYPE_DEFAULT, "1152x864_60.00" },

619
src/backends/native/meta-monitor-manager-kms.c
View file

@ -29,6 +29,7 @@
#include "meta-output.h"
#include "meta-backend-private.h"
#include "meta-renderer-native.h"
#include "meta-output-kms.h"
#include <string.h>
#include <stdlib.h>
@ -39,8 +40,6 @@
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <unistd.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <meta/main.h>
#include <meta/errors.h>
@ -51,33 +50,6 @@
#define ALL_TRANSFORMS (META_MONITOR_TRANSFORM_FLIPPED_270 + 1)
#define ALL_TRANSFORMS_MASK ((1 << ALL_TRANSFORMS) - 1)
#define SYNC_TOLERANCE 0.01 /* 1 percent */
typedef struct
{
drmModeConnector *connector;
unsigned n_encoders;
drmModeEncoderPtr *encoders;
drmModeEncoderPtr current_encoder;
/*
* Bitmasks of encoder position in the resources array (used during clone
* setup).
*/
uint32_t encoder_mask;
uint32_t enc_clone_mask;
uint32_t dpms_prop_id;
uint32_t edid_blob_id;
uint32_t tile_blob_id;
int suggested_x;
int suggested_y;
uint32_t hotplug_mode_update;
gboolean has_scaling;
} MetaOutputKms;
typedef struct
{
@ -124,6 +96,12 @@ struct _MetaMonitorManagerKmsClass
G_DEFINE_TYPE (MetaMonitorManagerKms, meta_monitor_manager_kms, META_TYPE_MONITOR_MANAGER);
int
meta_monitor_manager_kms_get_fd (MetaMonitorManagerKms *manager_kms)
{
return manager_kms->fd;
}
static void
free_resources (MetaMonitorManagerKms *manager_kms)
{
@ -144,54 +122,6 @@ compare_outputs (gconstpointer one,
return strcmp (o_one->name, o_two->name);
}
static char *
make_output_name (drmModeConnector *connector)
{
static const char * const connector_type_names[] = {
"None",
"VGA",
"DVI-I",
"DVI-D",
"DVI-A",
"Composite",
"SVIDEO",
"LVDS",
"Component",
"DIN",
"DP",
"HDMI",
"HDMI-B",
"TV",
"eDP",
"Virtual",
"DSI",
};
if (connector->connector_type < G_N_ELEMENTS (connector_type_names))
return g_strdup_printf ("%s-%d",
connector_type_names[connector->connector_type],
connector->connector_type_id);
else
return g_strdup_printf ("Unknown%d-%d",
connector->connector_type,
connector->connector_type_id);
}
static void
meta_output_destroy_notify (MetaOutput *output)
{
MetaOutputKms *output_kms;
unsigned i;
output_kms = output->driver_private;
for (i = 0; i < output_kms->n_encoders; i++)
drmModeFreeEncoder (output_kms->encoders[i]);
g_free (output_kms->encoders);
g_slice_free (MetaOutputKms, output_kms);
}
static void
meta_monitor_mode_destroy_notify (MetaCrtcMode *mode)
{
@ -247,44 +177,6 @@ drm_mode_hash (gconstpointer ptr)
return hash;
}
static void
find_connector_properties (MetaMonitorManagerKms *manager_kms,
MetaOutputKms *output_kms)
{
int i;
output_kms->hotplug_mode_update = 0;
output_kms->suggested_x = -1;
output_kms->suggested_y = -1;
for (i = 0; i < output_kms->connector->count_props; i++)
{
drmModePropertyPtr prop = drmModeGetProperty (manager_kms->fd, output_kms->connector->props[i]);
if (!prop)
continue;
if ((prop->flags & DRM_MODE_PROP_ENUM) && strcmp (prop->name, "DPMS") == 0)
output_kms->dpms_prop_id = prop->prop_id;
else if ((prop->flags & DRM_MODE_PROP_BLOB) && strcmp (prop->name, "EDID") == 0)
output_kms->edid_blob_id = output_kms->connector->prop_values[i];
else if ((prop->flags & DRM_MODE_PROP_BLOB) &&
strcmp (prop->name, "TILE") == 0)
output_kms->tile_blob_id = output_kms->connector->prop_values[i];
else if ((prop->flags & DRM_MODE_PROP_RANGE) &&
strcmp (prop->name, "suggested X") == 0)
output_kms->suggested_x = output_kms->connector->prop_values[i];
else if ((prop->flags & DRM_MODE_PROP_RANGE) &&
strcmp (prop->name, "suggested Y") == 0)
output_kms->suggested_y = output_kms->connector->prop_values[i];
else if ((prop->flags & DRM_MODE_PROP_RANGE) &&
strcmp (prop->name, "hotplug_mode_update") == 0)
output_kms->hotplug_mode_update = output_kms->connector->prop_values[i];
else if (strcmp (prop->name, "scaling mode") == 0)
output_kms->has_scaling = TRUE;
drmModeFreeProperty (prop);
}
}
static void
find_crtc_properties (MetaMonitorManagerKms *manager_kms,
MetaCrtc *meta_crtc)
@ -316,99 +208,11 @@ find_crtc_properties (MetaMonitorManagerKms *manager_kms,
}
}
static drmModePropertyBlobPtr
read_edid_blob (MetaMonitorManagerKms *manager_kms,
uint32_t edid_blob_id,
GError **error)
{
drmModePropertyBlobPtr edid_blob = NULL;
edid_blob = drmModeGetPropertyBlob (manager_kms->fd, edid_blob_id);
if (!edid_blob)
{
g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
"%s", strerror (errno));
return NULL;
}
return edid_blob;
}
static GBytes *
read_output_edid (MetaMonitorManagerKms *manager_kms,
MetaOutput *output,
GError **error)
{
MetaOutputKms *output_kms = output->driver_private;
drmModePropertyBlobPtr edid_blob;
g_assert (output_kms->edid_blob_id != 0);
edid_blob = read_edid_blob (manager_kms, output_kms->edid_blob_id, error);
if (!edid_blob)
return NULL;
if (edid_blob->length == 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "EDID blob was empty");
drmModeFreePropertyBlob (edid_blob);
return NULL;
}
return g_bytes_new_with_free_func (edid_blob->data, edid_blob->length,
(GDestroyNotify) drmModeFreePropertyBlob,
edid_blob);
}
static gboolean
output_get_tile_info (MetaMonitorManagerKms *manager_kms,
MetaOutput *output)
{
MetaOutputKms *output_kms = output->driver_private;
drmModePropertyBlobPtr tile_blob = NULL;
int ret;
if (output_kms->tile_blob_id == 0)
return FALSE;
tile_blob = drmModeGetPropertyBlob (manager_kms->fd, output_kms->tile_blob_id);
if (!tile_blob)
{
meta_warning ("Failed to read TILE of output %s: %s\n", output->name, strerror(errno));
return FALSE;
}
if (tile_blob->length > 0)
{
ret = sscanf ((char *)tile_blob->data, "%d:%d:%d:%d:%d:%d:%d:%d",
&output->tile_info.group_id,
&output->tile_info.flags,
&output->tile_info.max_h_tiles,
&output->tile_info.max_v_tiles,
&output->tile_info.loc_h_tile,
&output->tile_info.loc_v_tile,
&output->tile_info.tile_w,
&output->tile_info.tile_h);
drmModeFreePropertyBlob (tile_blob);
if (ret != 8)
{
meta_warning ("Couldn't understand output tile property blob\n");
return FALSE;
}
return TRUE;
}
else
{
drmModeFreePropertyBlob (tile_blob);
return FALSE;
}
}
static MetaCrtcMode *
mode_from_drm_mode (MetaMonitorManager *manager,
const drmModeModeInfo *drm_mode)
MetaCrtcMode *
meta_monitor_manager_kms_get_mode_from_drm_mode (MetaMonitorManagerKms *manager_kms,
const drmModeModeInfo *drm_mode)
{
MetaMonitorManager *manager = META_MONITOR_MANAGER (manager_kms);
GList *l;
for (l = manager->modes; l; l = l->next)
@ -423,8 +227,8 @@ mode_from_drm_mode (MetaMonitorManager *manager,
return NULL;
}
static float
drm_mode_vrefresh (const drmModeModeInfo *mode)
float
meta_calculate_drm_mode_refresh_rate (const drmModeModeInfo *mode)
{
float refresh = 0.0;
@ -453,30 +257,13 @@ create_mode (const drmModeModeInfo *drm_mode,
mode->width = drm_mode->hdisplay;
mode->height = drm_mode->vdisplay;
mode->flags = drm_mode->flags;
mode->refresh_rate = drm_mode_vrefresh (drm_mode);
mode->refresh_rate = meta_calculate_drm_mode_refresh_rate (drm_mode);
mode->driver_private = g_slice_dup (drmModeModeInfo, drm_mode);
mode->driver_notify = (GDestroyNotify)meta_monitor_mode_destroy_notify;
mode->driver_notify = (GDestroyNotify) meta_monitor_mode_destroy_notify;
return mode;
}
static int
compare_modes (const void *one,
const void *two)
{
MetaCrtcMode *a = *(MetaCrtcMode **) one;
MetaCrtcMode *b = *(MetaCrtcMode **) two;
if (a->width != b->width)
return a->width > b->width ? -1 : 1;
if (a->height != b->height)
return a->height > b->height ? -1 : 1;
if (a->refresh_rate != b->refresh_rate)
return a->refresh_rate > b->refresh_rate ? -1 : 1;
return g_strcmp0 (b->name, a->name);
}
static MetaOutput *
find_output_by_id (GList *outputs,
glong id)
@ -627,49 +414,6 @@ init_crtc_rotations (MetaMonitorManager *manager,
drmModeFreePlaneResources (planes);
}
static void
add_common_modes (MetaMonitorManager *manager,
MetaOutput *output)
{
const drmModeModeInfo *drm_mode;
GPtrArray *array;
unsigned i;
unsigned max_hdisplay = 0;
unsigned max_vdisplay = 0;
float max_vrefresh = 0.0;
for (i = 0; i < output->n_modes; i++)
{
drm_mode = output->modes[i]->driver_private;
max_hdisplay = MAX (max_hdisplay, drm_mode->hdisplay);
max_vdisplay = MAX (max_vdisplay, drm_mode->vdisplay);
max_vrefresh = MAX (max_vrefresh, drm_mode_vrefresh (drm_mode));
}
max_vrefresh = MAX (max_vrefresh, 60.0);
max_vrefresh *= (1 + SYNC_TOLERANCE);
array = g_ptr_array_new ();
for (i = 0; i < G_N_ELEMENTS (meta_default_drm_mode_infos); i++)
{
drm_mode = &meta_default_drm_mode_infos[i];
if (drm_mode->hdisplay > max_hdisplay ||
drm_mode->vdisplay > max_vdisplay ||
drm_mode_vrefresh (drm_mode) > max_vrefresh)
continue;
g_ptr_array_add (array, mode_from_drm_mode (manager, drm_mode));
}
output->modes = g_renew (MetaCrtcMode *, output->modes,
output->n_modes + array->len);
memcpy (output->modes + output->n_modes, array->pdata,
array->len * sizeof (MetaCrtcMode *));
output->n_modes += array->len;
g_ptr_array_free (array, TRUE);
}
static MetaCrtc *
create_crtc (MetaMonitorManager *manager,
drmModeCrtc *drm_crtc)
@ -710,268 +454,31 @@ create_crtc (MetaMonitorManager *manager,
return crtc;
}
static MetaOutput *
create_output (MetaMonitorManager *manager,
drmModeConnector *connector,
MetaOutput *old_output)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
MetaOutput *output;
MetaOutputKms *output_kms;
GArray *crtcs;
GBytes *edid;
GList *l;
unsigned int i;
unsigned int crtc_mask;
output = g_object_new (META_TYPE_OUTPUT, NULL);
output_kms = g_slice_new0 (MetaOutputKms);
output->driver_private = output_kms;
output->driver_notify = (GDestroyNotify)meta_output_destroy_notify;
output->monitor_manager = manager;
output->winsys_id = connector->connector_id;
output->name = make_output_name (connector);
output->width_mm = connector->mmWidth;
output->height_mm = connector->mmHeight;
switch (connector->subpixel)
{
case DRM_MODE_SUBPIXEL_NONE:
output->subpixel_order = COGL_SUBPIXEL_ORDER_NONE;
break;
case DRM_MODE_SUBPIXEL_HORIZONTAL_RGB:
output->subpixel_order = COGL_SUBPIXEL_ORDER_HORIZONTAL_RGB;
break;
case DRM_MODE_SUBPIXEL_HORIZONTAL_BGR:
output->subpixel_order = COGL_SUBPIXEL_ORDER_HORIZONTAL_BGR;
break;
case DRM_MODE_SUBPIXEL_VERTICAL_RGB:
output->subpixel_order = COGL_SUBPIXEL_ORDER_VERTICAL_RGB;
break;
case DRM_MODE_SUBPIXEL_VERTICAL_BGR:
output->subpixel_order = COGL_SUBPIXEL_ORDER_VERTICAL_BGR;
break;
case DRM_MODE_SUBPIXEL_UNKNOWN:
default:
output->subpixel_order = COGL_SUBPIXEL_ORDER_UNKNOWN;
break;
}
output->preferred_mode = NULL;
output->n_modes = connector->count_modes;
output->modes = g_new0 (MetaCrtcMode *, output->n_modes);
for (i = 0; i < output->n_modes; i++) {
output->modes[i] = mode_from_drm_mode (manager, &connector->modes[i]);
if (connector->modes[i].type & DRM_MODE_TYPE_PREFERRED)
output->preferred_mode = output->modes[i];
}
if (!output->preferred_mode)
output->preferred_mode = output->modes[0];
output_kms->connector = connector;
find_connector_properties (manager_kms, output_kms);
/* FIXME: MSC feature bit? */
/* Presume that if the output supports scaling, then we have
* a panel fitter capable of adjusting any mode to suit.
*/
if (output_kms->has_scaling)
add_common_modes (manager, output);
qsort (output->modes, output->n_modes, sizeof (MetaCrtcMode *), compare_modes);
output_kms->n_encoders = connector->count_encoders;
output_kms->encoders = g_new0 (drmModeEncoderPtr, output_kms->n_encoders);
crtc_mask = ~(unsigned int) 0;
for (i = 0; i < output_kms->n_encoders; i++)
{
output_kms->encoders[i] = drmModeGetEncoder (manager_kms->fd,
connector->encoders[i]);
if (!output_kms->encoders[i])
continue;
/* We only list CRTCs as supported if they are supported by all encoders
for this connectors.
This is what xf86-video-modesetting does (see drmmode_output_init())
*/
crtc_mask &= output_kms->encoders[i]->possible_crtcs;
if (output_kms->encoders[i]->encoder_id == connector->encoder_id)
output_kms->current_encoder = output_kms->encoders[i];
}
crtcs = g_array_new (FALSE, FALSE, sizeof (MetaCrtc*));
for (l = manager->crtcs, i = 0; l; l = l->next, i++)
{
if (crtc_mask & (1 << i))
{
MetaCrtc *crtc = l->data;
g_array_append_val (crtcs, crtc);
}
}
output->n_possible_crtcs = crtcs->len;
output->possible_crtcs = (void*)g_array_free (crtcs, FALSE);
if (output_kms->current_encoder && output_kms->current_encoder->crtc_id != 0)
{
for (l = manager->crtcs; l; l = l->next)
{
MetaCrtc *crtc = l->data;
if (crtc->crtc_id == output_kms->current_encoder->crtc_id)
{
output->crtc = crtc;
break;
}
}
}
else
{
output->crtc = NULL;
}
if (old_output)
{
output->is_primary = old_output->is_primary;
output->is_presentation = old_output->is_presentation;
}
else
{
output->is_primary = FALSE;
output->is_presentation = FALSE;
}
output->suggested_x = output_kms->suggested_x;
output->suggested_y = output_kms->suggested_y;
output->hotplug_mode_update = output_kms->hotplug_mode_update;
if (output_kms->edid_blob_id != 0)
{
GError *error = NULL;
edid = read_output_edid (manager_kms, output, &error);
if (!edid)
{
g_warning ("Failed to read EDID blob from %s: %s",
output->name, error->message);
g_error_free (error);
}
}
else
{
edid = NULL;
}
meta_output_parse_edid (output, edid);
g_bytes_unref (edid);
/* MetaConnectorType matches DRM's connector types */
output->connector_type = (MetaConnectorType) connector->connector_type;
output_get_tile_info (manager_kms, output);
/* FIXME: backlight is a very driver specific thing unfortunately,
every DDX does its own thing, and the dumb KMS API does not include it.
For example, xf86-video-intel has a list of paths to probe in /sys/class/backlight
(one for each major HW maker, and then some).
We can't do the same because we're not root.
It might be best to leave backlight out of the story and rely on the setuid
helper in gnome-settings-daemon.
*/
output->backlight_min = 0;
output->backlight_max = 0;
output->backlight = -1;
return output;
}
static void
detect_and_setup_output_clones (MetaMonitorManager *manager,
drmModeRes *resources)
setup_output_clones (MetaMonitorManager *manager)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
drmModeEncoder **encoders;
unsigned int i, n_encoders;
GList *l;
n_encoders = (unsigned int) resources->count_encoders;
encoders = g_new (drmModeEncoder *, n_encoders);
for (i = 0; i < n_encoders; i++)
encoders[i] = drmModeGetEncoder (manager_kms->fd, resources->encoders[i]);
/*
* Setup encoder position mask and encoder clone mask.
*/
for (l = manager->outputs; l; l = l->next)
{
MetaOutput *output = l->data;
MetaOutputKms *output_kms = output->driver_private;
unsigned int j;
output_kms->enc_clone_mask = 0xff;
output_kms->encoder_mask = 0;
for (j = 0; j < output_kms->n_encoders; j++)
{
unsigned int k;
for (k = 0; k < n_encoders; k++)
{
if (output_kms->encoders[j] && encoders[k] &&
output_kms->encoders[j]->encoder_id == encoders[k]->encoder_id)
{
output_kms->encoder_mask |= (1 << k);
break;
}
}
output_kms->enc_clone_mask &= output_kms->encoders[j]->possible_clones;
}
}
for (i = 0; i < (unsigned)resources->count_encoders; i++)
drmModeFreeEncoder (encoders[i]);
g_free (encoders);
/*
* Setup MetaOutput <-> MetaOutput clone associations.
*/
for (l = manager->outputs; l; l = l->next)
{
MetaOutput *output = l->data;
MetaOutputKms *output_kms = output->driver_private;
GList *k;
if (output_kms->enc_clone_mask == 0)
continue;
for (k = manager->outputs; k; k = k->next)
{
MetaOutput *clone = k->data;
MetaOutputKms *clone_kms = clone->driver_private;
MetaOutput *other_output = k->data;
if (clone == output)
if (other_output == output)
continue;
if (clone_kms->encoder_mask == 0)
continue;
if (clone_kms->encoder_mask == output_kms->enc_clone_mask)
if (meta_output_kms_can_clone (output, other_output))
{
output->n_possible_clones++;
output->possible_clones = g_renew (MetaOutput *,
output->possible_clones,
output->n_possible_clones);
output->possible_clones[output->n_possible_clones - 1] = clone;
output->possible_clones[output->n_possible_clones - 1] =
other_output;
}
}
}
@ -1080,7 +587,7 @@ init_crtcs (MetaMonitorManager *manager,
static void
init_outputs (MetaMonitorManager *manager,
drmModeRes *resources)
MetaKmsResources *resources)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
GList *old_outputs;
@ -1102,7 +609,7 @@ init_outputs (MetaMonitorManager *manager,
MetaOutput *old_output;
old_output = find_output_by_id (old_outputs, connector->connector_id);
output = create_output (manager, connector, old_output);
output = meta_create_kms_output (manager, connector, resources, old_output);
manager->outputs = g_list_prepend (manager->outputs, output);
}
}
@ -1111,19 +618,47 @@ init_outputs (MetaMonitorManager *manager,
/* Sort the outputs for easier handling in MetaMonitorConfig */
manager->outputs = g_list_sort (manager->outputs, compare_outputs);
detect_and_setup_output_clones (manager, resources);
setup_output_clones (manager);
}
static void
meta_kms_resources_init (MetaKmsResources *resources,
int fd)
{
drmModeRes *drm_resources;
unsigned int i;
drm_resources = drmModeGetResources (fd);
resources->resources = drm_resources;
resources->n_encoders = (unsigned int) drm_resources->count_encoders;
resources->encoders = g_new (drmModeEncoder *, resources->n_encoders);
for (i = 0; i < resources->n_encoders; i++)
resources->encoders[i] = drmModeGetEncoder (fd, drm_resources->encoders[i]);
}
static void
meta_kms_resources_release (MetaKmsResources *resources)
{
unsigned int i;
for (i = 0; i < resources->n_encoders; i++)
drmModeFreeEncoder (resources->encoders[i]);
g_free (resources->encoders);
drmModeFreeResources (resources->resources);
}
static void
meta_monitor_manager_kms_read_current (MetaMonitorManager *manager)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
drmModeRes *resources;
MetaKmsResources resources;
resources = drmModeGetResources (manager_kms->fd);
meta_kms_resources_init (&resources, manager_kms->fd);
manager_kms->max_buffer_width = resources->max_width;
manager_kms->max_buffer_height = resources->max_height;
manager_kms->max_buffer_width = resources.resources->max_width;
manager_kms->max_buffer_height = resources.resources->max_height;
manager->power_save_mode = META_POWER_SAVE_ON;
@ -1133,43 +668,25 @@ meta_monitor_manager_kms_read_current (MetaMonitorManager *manager)
are freed by the platform-independent layer. */
free_resources (manager_kms);
init_connectors (manager, resources);
init_modes (manager, resources);
init_crtcs (manager, resources);
init_outputs (manager, resources);
init_connectors (manager, resources.resources);
init_modes (manager, resources.resources);
init_crtcs (manager, resources.resources);
init_outputs (manager, &resources);
drmModeFreeResources (resources);
meta_kms_resources_release (&resources);
}
static GBytes *
meta_monitor_manager_kms_read_edid (MetaMonitorManager *manager,
MetaOutput *output)
{
MetaOutputKms *output_kms = output->driver_private;
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
GError *error = NULL;
GBytes *edid;
if (output_kms->edid_blob_id == 0)
return NULL;
edid = read_output_edid (manager_kms, output, &error);
if (!edid)
{
g_warning ("Failed to read EDID from '%s': %s",
output->name, error->message);
g_error_free (error);
return NULL;
}
return edid;
return meta_output_kms_read_edid (output);
}
static void
meta_monitor_manager_kms_set_power_save_mode (MetaMonitorManager *manager,
MetaPowerSave mode)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
uint64_t state;
GList *l;
@ -1193,18 +710,8 @@ meta_monitor_manager_kms_set_power_save_mode (MetaMonitorManager *manager,
for (l = manager->outputs; l; l = l->next)
{
MetaOutput *output = l->data;
MetaOutputKms *output_kms = output->driver_private;
if (output_kms->dpms_prop_id != 0)
{
int ok = drmModeObjectSetProperty (manager_kms->fd, output->winsys_id,
DRM_MODE_OBJECT_CONNECTOR,
output_kms->dpms_prop_id, state);
if (ok < 0)
meta_warning ("Failed to set power save mode for output %s: %s\n",
output->name, strerror (errno));
}
meta_output_kms_set_power_save_mode (output, state);
}
}

17
src/backends/native/meta-monitor-manager-kms.h
View file

@ -23,6 +23,9 @@
#ifndef META_MONITOR_MANAGER_KMS_H
#define META_MONITOR_MANAGER_KMS_H
#include <xf86drm.h>
#include <xf86drmMode.h>
#include "meta-monitor-manager-private.h"
#define META_TYPE_MONITOR_MANAGER_KMS (meta_monitor_manager_kms_get_type ())
@ -30,8 +33,20 @@ G_DECLARE_FINAL_TYPE (MetaMonitorManagerKms, meta_monitor_manager_kms,
META, MONITOR_MANAGER_KMS,
MetaMonitorManager)
typedef struct _MetaKmsResources
{
drmModeRes *resources;
drmModeEncoder **encoders;
unsigned int n_encoders;
} MetaKmsResources;
typedef void (*MetaKmsFlipCallback) (void *user_data);
int meta_monitor_manager_kms_get_fd (MetaMonitorManagerKms *manager_kms);
MetaCrtcMode * meta_monitor_manager_kms_get_mode_from_drm_mode (MetaMonitorManagerKms *manager_kms,
const drmModeModeInfo *drm_mode);
gboolean meta_monitor_manager_kms_apply_crtc_mode (MetaMonitorManagerKms *manager_kms,
MetaCrtc *crtc,
int x,
@ -55,4 +70,6 @@ void meta_monitor_manager_kms_pause (MetaMonitorManagerKms *manager_kms);
void meta_monitor_manager_kms_resume (MetaMonitorManagerKms *manager_kms);
float meta_calculate_drm_mode_refresh_rate (const drmModeModeInfo *mode);
#endif /* META_MONITOR_MANAGER_KMS_H */

616
src/backends/native/meta-output-kms.c Normal file
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@ -0,0 +1,616 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2013-2017 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-output-kms.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "backends/meta-crtc.h"
#include "backends/native/meta-default-modes.h"
#include "backends/native/meta-monitor-manager-kms.h"
#define SYNC_TOLERANCE 0.01 /* 1 percent */
typedef struct _MetaOutputKms
{
MetaOutput parent;
drmModeConnector *connector;
unsigned int n_encoders;
drmModeEncoderPtr *encoders;
drmModeEncoderPtr current_encoder;
/*
* Bitmasks of encoder position in the resources array (used during clone
* setup).
*/
uint32_t encoder_mask;
uint32_t enc_clone_mask;
uint32_t dpms_prop_id;
uint32_t edid_blob_id;
uint32_t tile_blob_id;
int suggested_x;
int suggested_y;
uint32_t hotplug_mode_update;
gboolean has_scaling;
} MetaOutputKms;
void
meta_output_kms_set_power_save_mode (MetaOutput *output,
uint64_t state)
{
MetaOutputKms *output_kms = output->driver_private;
MetaMonitorManager *monitor_manager =
meta_output_get_monitor_manager (output);
MetaMonitorManagerKms *monitor_manager_kms =
META_MONITOR_MANAGER_KMS (monitor_manager);
if (output_kms->dpms_prop_id != 0)
{
int fd;
fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
if (drmModeObjectSetProperty (fd, output->winsys_id,
DRM_MODE_OBJECT_CONNECTOR,
output_kms->dpms_prop_id, state) < 0)
g_warning ("Failed to set power save mode for output %s: %s",
output->name, strerror (errno));
}
}
gboolean
meta_output_kms_can_clone (MetaOutput *output,
MetaOutput *other_output)
{
MetaOutputKms *output_kms = output->driver_private;
MetaOutputKms *other_output_kms = other_output->driver_private;
if (output_kms->enc_clone_mask == 0 ||
other_output_kms->enc_clone_mask == 0)
return FALSE;
if (output_kms->encoder_mask != other_output_kms->enc_clone_mask)
return FALSE;
return TRUE;
}
static drmModePropertyBlobPtr
read_edid_blob (MetaMonitorManagerKms *monitor_manager_kms,
uint32_t edid_blob_id,
GError **error)
{
int fd;
drmModePropertyBlobPtr edid_blob = NULL;
fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
edid_blob = drmModeGetPropertyBlob (fd, edid_blob_id);
if (!edid_blob)
{
g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
"%s", strerror (errno));
return NULL;
}
return edid_blob;
}
static GBytes *
read_output_edid (MetaMonitorManagerKms *monitor_manager_kms,
MetaOutput *output,
GError **error)
{
MetaOutputKms *output_kms = output->driver_private;
drmModePropertyBlobPtr edid_blob;
g_assert (output_kms->edid_blob_id != 0);
edid_blob = read_edid_blob (monitor_manager_kms, output_kms->edid_blob_id, error);
if (!edid_blob)
return NULL;
if (edid_blob->length == 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "EDID blob was empty");
drmModeFreePropertyBlob (edid_blob);
return NULL;
}
return g_bytes_new_with_free_func (edid_blob->data, edid_blob->length,
(GDestroyNotify) drmModeFreePropertyBlob,
edid_blob);
}
static gboolean
output_get_tile_info (MetaMonitorManagerKms *monitor_manager_kms,
MetaOutput *output)
{
MetaOutputKms *output_kms = output->driver_private;
int fd;
drmModePropertyBlobPtr tile_blob = NULL;
if (output_kms->tile_blob_id == 0)
return FALSE;
fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
tile_blob = drmModeGetPropertyBlob (fd, output_kms->tile_blob_id);
if (!tile_blob)
{
g_warning ("Failed to read TILE of output %s: %s",
output->name, strerror (errno));
return FALSE;
}
if (tile_blob->length > 0)
{
int ret;
ret = sscanf ((char *)tile_blob->data, "%d:%d:%d:%d:%d:%d:%d:%d",
&output->tile_info.group_id,
&output->tile_info.flags,
&output->tile_info.max_h_tiles,
&output->tile_info.max_v_tiles,
&output->tile_info.loc_h_tile,
&output->tile_info.loc_v_tile,
&output->tile_info.tile_w,
&output->tile_info.tile_h);
drmModeFreePropertyBlob (tile_blob);
if (ret != 8)
{
g_warning ("Couldn't understand output tile property blob");
return FALSE;
}
return TRUE;
}
else
{
drmModeFreePropertyBlob (tile_blob);
return FALSE;
}
}
GBytes *
meta_output_kms_read_edid (MetaOutput *output)
{
MetaOutputKms *output_kms = output->driver_private;
MetaMonitorManager *monitor_manager =
meta_output_get_monitor_manager (output);
MetaMonitorManagerKms *monitor_manager_kms =
META_MONITOR_MANAGER_KMS (monitor_manager);
GError *error = NULL;
GBytes *edid;
if (output_kms->edid_blob_id == 0)
return NULL;
edid = read_output_edid (monitor_manager_kms, output, &error);
if (!edid)
{
g_warning ("Failed to read EDID from '%s': %s",
output->name, error->message);
g_error_free (error);
return NULL;
}
return edid;
}
static void
find_connector_properties (MetaMonitorManagerKms *monitor_manager_kms,
MetaOutputKms *output_kms)
{
drmModeConnector *connector = output_kms->connector;
int fd;
int i;
fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
output_kms->hotplug_mode_update = 0;
output_kms->suggested_x = -1;
output_kms->suggested_y = -1;
for (i = 0; i < connector->count_props; i++)
{
drmModePropertyPtr prop = drmModeGetProperty (fd, connector->props[i]);
if (!prop)
continue;
if ((prop->flags & DRM_MODE_PROP_ENUM) &&
strcmp (prop->name, "DPMS") == 0)
output_kms->dpms_prop_id = prop->prop_id;
else if ((prop->flags & DRM_MODE_PROP_BLOB) &&
strcmp (prop->name, "EDID") == 0)
output_kms->edid_blob_id = connector->prop_values[i];
else if ((prop->flags & DRM_MODE_PROP_BLOB) &&
strcmp (prop->name, "TILE") == 0)
output_kms->tile_blob_id = connector->prop_values[i];
else if ((prop->flags & DRM_MODE_PROP_RANGE) &&
strcmp (prop->name, "suggested X") == 0)
output_kms->suggested_x = connector->prop_values[i];
else if ((prop->flags & DRM_MODE_PROP_RANGE) &&
strcmp (prop->name, "suggested Y") == 0)
output_kms->suggested_y = connector->prop_values[i];
else if ((prop->flags & DRM_MODE_PROP_RANGE) &&
strcmp (prop->name, "hotplug_mode_update") == 0)
output_kms->hotplug_mode_update = connector->prop_values[i];
else if (strcmp (prop->name, "scaling mode") == 0)
output_kms->has_scaling = TRUE;
drmModeFreeProperty (prop);
}
}
static char *
make_output_name (drmModeConnector *connector)
{
static const char * const connector_type_names[] = {
"None",
"VGA",
"DVI-I",
"DVI-D",
"DVI-A",
"Composite",
"SVIDEO",
"LVDS",
"Component",
"DIN",
"DP",
"HDMI",
"HDMI-B",
"TV",
"eDP",
"Virtual",
"DSI",
};
if (connector->connector_type < G_N_ELEMENTS (connector_type_names))
return g_strdup_printf ("%s-%d",
connector_type_names[connector->connector_type],
connector->connector_type_id);
else
return g_strdup_printf ("Unknown%d-%d",
connector->connector_type,
connector->connector_type_id);
}
static void
meta_output_destroy_notify (MetaOutput *output)
{
MetaOutputKms *output_kms;
unsigned i;
output_kms = output->driver_private;
for (i = 0; i < output_kms->n_encoders; i++)
drmModeFreeEncoder (output_kms->encoders[i]);
g_free (output_kms->encoders);
g_slice_free (MetaOutputKms, output_kms);
}
static void
add_common_modes (MetaOutput *output,
MetaMonitorManagerKms *monitor_manager_kms)
{
GPtrArray *array;
unsigned i;
unsigned max_hdisplay = 0;
unsigned max_vdisplay = 0;
float max_refresh_rate = 0.0;
for (i = 0; i < output->n_modes; i++)
{
const drmModeModeInfo *drm_mode;
float refresh_rate;
drm_mode = output->modes[i]->driver_private;
refresh_rate = meta_calculate_drm_mode_refresh_rate (drm_mode);
max_hdisplay = MAX (max_hdisplay, drm_mode->hdisplay);
max_vdisplay = MAX (max_vdisplay, drm_mode->vdisplay);
max_refresh_rate = MAX (max_refresh_rate, refresh_rate);
}
max_refresh_rate = MAX (max_refresh_rate, 60.0);
max_refresh_rate *= (1 + SYNC_TOLERANCE);
array = g_ptr_array_new ();
for (i = 0; i < G_N_ELEMENTS (meta_default_drm_mode_infos); i++)
{
const drmModeModeInfo *drm_mode;
float refresh_rate;
MetaCrtcMode *crtc_mode;
drm_mode = &meta_default_drm_mode_infos[i];
refresh_rate = meta_calculate_drm_mode_refresh_rate (drm_mode);
if (drm_mode->hdisplay > max_hdisplay ||
drm_mode->vdisplay > max_vdisplay ||
refresh_rate > max_refresh_rate)
continue;
crtc_mode = meta_monitor_manager_kms_get_mode_from_drm_mode (monitor_manager_kms,
drm_mode);
g_ptr_array_add (array, crtc_mode);
}
output->modes = g_renew (MetaCrtcMode *, output->modes,
output->n_modes + array->len);
memcpy (output->modes + output->n_modes, array->pdata,
array->len * sizeof (MetaCrtcMode *));
output->n_modes += array->len;
g_ptr_array_free (array, TRUE);
}
static int
compare_modes (const void *one,
const void *two)
{
MetaCrtcMode *a = *(MetaCrtcMode **) one;
MetaCrtcMode *b = *(MetaCrtcMode **) two;
if (a->width != b->width)
return a->width > b->width ? -1 : 1;
if (a->height != b->height)
return a->height > b->height ? -1 : 1;
if (a->refresh_rate != b->refresh_rate)
return a->refresh_rate > b->refresh_rate ? -1 : 1;
return g_strcmp0 (b->name, a->name);
}
static void
init_output_modes (MetaOutput *output,
MetaMonitorManagerKms *monitor_manager_kms)
{
MetaOutputKms *output_kms = output->driver_private;
unsigned int i;
output->preferred_mode = NULL;
output->n_modes = output_kms->connector->count_modes;
output->modes = g_new0 (MetaCrtcMode *, output->n_modes);
for (i = 0; i < output->n_modes; i++)
{
drmModeModeInfo *drm_mode;
MetaCrtcMode *crtc_mode;
drm_mode = &output_kms->connector->modes[i];
crtc_mode =
meta_monitor_manager_kms_get_mode_from_drm_mode (monitor_manager_kms,
drm_mode);
output->modes[i] = crtc_mode;
if (output_kms->connector->modes[i].type & DRM_MODE_TYPE_PREFERRED)
output->preferred_mode = output->modes[i];
}
if (!output->preferred_mode)
output->preferred_mode = output->modes[0];
}
MetaOutput *
meta_create_kms_output (MetaMonitorManager *monitor_manager,
drmModeConnector *connector,
MetaKmsResources *resources,
MetaOutput *old_output)
{
MetaMonitorManagerKms *monitor_manager_kms =
META_MONITOR_MANAGER_KMS (monitor_manager);
MetaOutput *output;
MetaOutputKms *output_kms;
GArray *crtcs;
GBytes *edid;
GList *l;
unsigned int i;
unsigned int crtc_mask;
int fd;
output = g_object_new (META_TYPE_OUTPUT, NULL);
output_kms = g_slice_new0 (MetaOutputKms);
output->driver_private = output_kms;
output->driver_notify = (GDestroyNotify) meta_output_destroy_notify;
output->monitor_manager = monitor_manager;
output->winsys_id = connector->connector_id;
output->name = make_output_name (connector);
output->width_mm = connector->mmWidth;
output->height_mm = connector->mmHeight;
switch (connector->subpixel)
{
case DRM_MODE_SUBPIXEL_NONE:
output->subpixel_order = COGL_SUBPIXEL_ORDER_NONE;
break;
case DRM_MODE_SUBPIXEL_HORIZONTAL_RGB:
output->subpixel_order = COGL_SUBPIXEL_ORDER_HORIZONTAL_RGB;
break;
case DRM_MODE_SUBPIXEL_HORIZONTAL_BGR:
output->subpixel_order = COGL_SUBPIXEL_ORDER_HORIZONTAL_BGR;
break;
case DRM_MODE_SUBPIXEL_VERTICAL_RGB:
output->subpixel_order = COGL_SUBPIXEL_ORDER_VERTICAL_RGB;
break;
case DRM_MODE_SUBPIXEL_VERTICAL_BGR:
output->subpixel_order = COGL_SUBPIXEL_ORDER_VERTICAL_BGR;
break;
case DRM_MODE_SUBPIXEL_UNKNOWN:
default:
output->subpixel_order = COGL_SUBPIXEL_ORDER_UNKNOWN;
break;
}
output_kms->connector = connector;
find_connector_properties (monitor_manager_kms, output_kms);
init_output_modes (output, monitor_manager_kms);
/* FIXME: MSC feature bit? */
/* Presume that if the output supports scaling, then we have
* a panel fitter capable of adjusting any mode to suit.
*/
if (output_kms->has_scaling)
add_common_modes (output, monitor_manager_kms);
qsort (output->modes, output->n_modes,
sizeof (MetaCrtcMode *), compare_modes);
output_kms->n_encoders = connector->count_encoders;
output_kms->encoders = g_new0 (drmModeEncoderPtr, output_kms->n_encoders);
fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
crtc_mask = ~(unsigned int) 0;
for (i = 0; i < output_kms->n_encoders; i++)
{
output_kms->encoders[i] = drmModeGetEncoder (fd, connector->encoders[i]);
if (!output_kms->encoders[i])
continue;
/* We only list CRTCs as supported if they are supported by all encoders
for this connectors.
This is what xf86-video-modesetting does (see drmmode_output_init())
*/
crtc_mask &= output_kms->encoders[i]->possible_crtcs;
if (output_kms->encoders[i]->encoder_id == connector->encoder_id)
output_kms->current_encoder = output_kms->encoders[i];
}
crtcs = g_array_new (FALSE, FALSE, sizeof (MetaCrtc*));
for (l = monitor_manager->crtcs, i = 0; l; l = l->next, i++)
{
if (crtc_mask & (1 << i))
{
MetaCrtc *crtc = l->data;
g_array_append_val (crtcs, crtc);
}
}
output->n_possible_crtcs = crtcs->len;
output->possible_crtcs = (void*)g_array_free (crtcs, FALSE);
if (output_kms->current_encoder && output_kms->current_encoder->crtc_id != 0)
{
for (l = monitor_manager->crtcs; l; l = l->next)
{
MetaCrtc *crtc = l->data;
if (crtc->crtc_id == output_kms->current_encoder->crtc_id)
{
output->crtc = crtc;
break;
}
}
}
else
{
output->crtc = NULL;
}
if (old_output)
{
output->is_primary = old_output->is_primary;
output->is_presentation = old_output->is_presentation;
}
else
{
output->is_primary = FALSE;
output->is_presentation = FALSE;
}
output->suggested_x = output_kms->suggested_x;
output->suggested_y = output_kms->suggested_y;
output->hotplug_mode_update = output_kms->hotplug_mode_update;
if (output_kms->edid_blob_id != 0)
{
GError *error = NULL;
edid = read_output_edid (monitor_manager_kms, output, &error);
if (!edid)
{
g_warning ("Failed to read EDID blob from %s: %s",
output->name, error->message);
g_error_free (error);
}
}
else
{
edid = NULL;
}
meta_output_parse_edid (output, edid);
g_bytes_unref (edid);
/* MetaConnectorType matches DRM's connector types */
output->connector_type = (MetaConnectorType) connector->connector_type;
output_get_tile_info (monitor_manager_kms, output);
/* FIXME: backlight is a very driver specific thing unfortunately,
every DDX does its own thing, and the dumb KMS API does not include it.
For example, xf86-video-intel has a list of paths to probe in /sys/class/backlight
(one for each major HW maker, and then some).
We can't do the same because we're not root.
It might be best to leave backlight out of the story and rely on the setuid
helper in gnome-settings-daemon.
*/
output->backlight_min = 0;
output->backlight_max = 0;
output->backlight = -1;
output_kms->enc_clone_mask = 0xff;
output_kms->encoder_mask = 0;
for (i = 0; i < output_kms->n_encoders; i++)
{
drmModeEncoder *output_encoder = output_kms->encoders[i];
unsigned int j;
for (j = 0; j < resources->n_encoders; j++)
{
drmModeEncoder *encoder = resources->encoders[j];
if (output_encoder && encoder &&
output_encoder->encoder_id == encoder->encoder_id)
{
output_kms->encoder_mask |= (1 << j);
break;
}
}
output_kms->enc_clone_mask &= output_encoder->possible_clones;
}
return output;
}

41
src/backends/native/meta-output-kms.h Normal file
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@ -0,0 +1,41 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2017 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_OUTPUT_KMS_H
#define META_OUTPUT_KMS_H
#include "backends/meta-output.h"
#include "backends/native/meta-monitor-manager-kms.h"
void meta_output_kms_set_power_save_mode (MetaOutput *output,
uint64_t state);
gboolean meta_output_kms_can_clone (MetaOutput *output,
MetaOutput *other_output);
GBytes * meta_output_kms_read_edid (MetaOutput *output);
MetaOutput * meta_create_kms_output (MetaMonitorManager *monitor_manager,
drmModeConnector *connector,
MetaKmsResources *resources,
MetaOutput *old_output);
#endif /* META_OUTPUT_KMS_H */