android13/hardware/rockchip/hw_output/rkdisplay/drmresources.cpp

822 lines
22 KiB
C++

/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "rkdisplay-resources"
#include "drmconnector.h"
#include "drmcrtc.h"
#include "drmencoder.h"
#include "drmresources.h"
#include <cinttypes>
#include <errno.h>
#include <fcntl.h>
#include <stdint.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <log/log.h>
#include <cutils/properties.h>
#include <drm_fourcc.h>
//you can define it in external/libdrm/include/drm/drm.h
#define DRM_CLIENT_CAP_SHARE_PLANES 4
#define DRM_CLIENT_CAP_ASPECT_RADIO 4
namespace android {
DrmResources::DrmResources() {
extend_ = NULL;
primary_ = NULL;
}
DrmResources::~DrmResources() {
}
void DrmResources::ConfigurePossibleDisplays()
{
char primary_name[PROPERTY_VALUE_MAX];
char extend_name[PROPERTY_VALUE_MAX];
int primary_length, extend_length;
int default_display_possible = 0;
std::string conn_name;
std::string display_name;
primary_length = property_get("vendor.hwc.device.primary", primary_name, NULL);
extend_length = property_get("vendor.hwc.device.extend", extend_name, NULL);
if (!primary_length)
default_display_possible |= HWC_DISPLAY_PRIMARY_BIT;
if (!extend_length)
default_display_possible |= HWC_DISPLAY_EXTERNAL_BIT;
for (auto &conn : connectors_) {
/*
* build_in connector default only support on primary display
*/
if (conn->built_in())
conn->set_display_possible(default_display_possible & HWC_DISPLAY_PRIMARY_BIT);
else
conn->set_display_possible(default_display_possible & HWC_DISPLAY_EXTERNAL_BIT);
}
if (primary_length) {
std::stringstream ss(primary_name);
while(getline(ss, conn_name, ',')) {
for (auto &conn : connectors_) {
display_name = connector_type_str(conn->get_type());
display_name.append("-");
display_name.append(std::to_string(conn->type_id()));
if (!strcmp(connector_type_str(conn->get_type()), conn_name.c_str()) ||
!strcmp(display_name.c_str(), conn_name.c_str()))
conn->set_display_possible(HWC_DISPLAY_PRIMARY_BIT);
}
}
}
if (extend_length) {
std::stringstream ss(extend_name);
while(getline(ss, conn_name, ',')) {
for (auto &conn : connectors_) {
display_name = connector_type_str(conn->get_type());
display_name.append("-");
display_name.append(std::to_string(conn->type_id()));
if (!strcmp(connector_type_str(conn->get_type()), conn_name.c_str()) ||
!strcmp(display_name.c_str(), conn_name.c_str()))
conn->set_display_possible(conn->possible_displays() | HWC_DISPLAY_EXTERNAL_BIT);
}
}
}
}
int DrmResources::Init() {
char path[PROPERTY_VALUE_MAX];
property_get("vendor.hwc.drm.device", path, "/dev/dri/card0");
/* TODO: Use drmOpenControl here instead */
fd_.Set(open(path, O_RDWR));
if (fd() < 0) {
ALOGE("Failed to open dri- %s", strerror(-errno));
return -ENODEV;
}
int ret = drmSetClientCap(fd(), DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
if (ret) {
ALOGE("Failed to set universal plane cap %d", ret);
return ret;
}
ret = drmSetClientCap(fd(), DRM_CLIENT_CAP_ATOMIC, 1);
if (ret) {
ALOGE("Failed to set atomic cap %d", ret);
return ret;
}
//Enable 3d function.
ret = drmSetClientCap(fd(), DRM_CLIENT_CAP_STEREO_3D, 1);
if (ret) {
ALOGE("Failed to set stereo 3d cap %d", ret);
return ret;
}
#if USE_MULTI_AREAS
//Open Multi-area support.
ret = drmSetClientCap(fd(), DRM_CLIENT_CAP_SHARE_PLANES, 1);
if (ret) {
ALOGE("Failed to set share planes %d", ret);
return ret;
}
#endif
ret = drmSetClientCap(fd(), DRM_CLIENT_CAP_ASPECT_RADIO, 0);
if (ret) {
ALOGE("Failed to disable aspect radio %d", ret);
return ret;
}
drmModeResPtr res = drmModeGetResources(fd());
if (!res) {
ALOGE("Failed to get DrmResources resources");
return -ENODEV;
}
bool found_primary = false;
int display_num = 1;
std::ostringstream out;
out << "Frame buffers:\n";
out << "id\tsize\tpitch\n";
for (int i = 0; !ret && i < res->count_fbs; ++i) {
drmModeFBPtr fb = drmModeGetFB(fd(), res->fbs[i]);
if (!fb) {
ALOGE("Failed to get FB %d", res->fbs[i]);
ret = -ENODEV;
break;
}
out << fb->fb_id << "\t("
<< fb->width << "x"
<< fb->height << ")\t"
<< fb->pitch << "\n";
drmModeFreeFB(fb);
}
ALOGD_IF(1,"%s",out.str().c_str());
out.str("");
out << "CRTCs:\n";
out << "id\tfb\tpos\tsize\n";
for (int i = 0; !ret && i < res->count_crtcs; ++i) {
drmModeCrtcPtr c = drmModeGetCrtc(fd(), res->crtcs[i]);
if (!c) {
ALOGE("Failed to get crtc %d", res->crtcs[i]);
ret = -ENODEV;
break;
}
std::unique_ptr<DrmCrtc> crtc(new DrmCrtc(this, c, i));
crtc->dump_crtc(&out);
out << "\n";
drmModeFreeCrtc(c);
ret = crtc->Init();
if (ret) {
ALOGE("Failed to initialize crtc %d", res->crtcs[i]);
break;
}
crtcs_.emplace_back(std::move(crtc));
}
ALOGD_IF(1,"%s",out.str().c_str());
out.str("");
out << "Encoders:\n";
out << "id\tcrtc\ttype\tpossible crtcs\tpossible clones\t\n";
for (int i = 0; !ret && i < res->count_encoders; ++i) {
drmModeEncoderPtr e = drmModeGetEncoder(fd(), res->encoders[i]);
if (!e) {
ALOGE("Failed to get encoder %d", res->encoders[i]);
ret = -ENODEV;
break;
}
std::vector<DrmCrtc *> possible_crtcs;
DrmCrtc *current_crtc = NULL;
for (auto &crtc : crtcs_) {
if ((1 << crtc->pipe()) & e->possible_crtcs)
possible_crtcs.push_back(crtc.get());
if (crtc->id() == e->crtc_id)
current_crtc = crtc.get();
}
std::unique_ptr<DrmEncoder> enc(
new DrmEncoder(this, e, current_crtc, possible_crtcs));
ALOGD("current_crtc id : %d crtid : %d", enc->id(), e->crtc_id);
enc->dump_encoder(&out);
out << "\n";
drmModeFreeEncoder(e);
encoders_.emplace_back(std::move(enc));
}
ALOGD_IF(1,"%s",out.str().c_str());
out.str("");
out << "Connectors:\n";
out << "id\tencoder\tstatus\t\ttype\tsize (mm)\tmodes\tencoders\n";
for (int i = 0; !ret && i < res->count_connectors; ++i) {
drmModeConnectorPtr c = drmModeGetConnectorCurrent(fd(), res->connectors[i]);
if (!c) {
ALOGE("Failed to get connector %d", res->connectors[i]);
ret = -ENODEV;
break;
}
std::vector<DrmEncoder *> possible_encoders;
DrmEncoder *current_encoder = NULL;
for (int j = 0; j < c->count_encoders; ++j) {
for (auto &encoder : encoders_) {
if (encoder->id() == c->encoders[j])
possible_encoders.push_back(encoder.get());
if (encoder->id() == c->encoder_id)
current_encoder = encoder.get();
}
}
std::unique_ptr<DrmConnector> conn(
new DrmConnector(this, c, current_encoder, possible_encoders));
conn->dump_connector(&out);
out << "\n";
drmModeFreeConnector(c);
ret = conn->Init();
if (ret) {
ALOGE("Init connector %d failed", res->connectors[i]);
break;
}
conn->UpdateModes();
conn->set_display(display_num);
display_num++;
connectors_.emplace_back(std::move(conn));
}
ConfigurePossibleDisplays();
for (auto &conn : connectors_) {
if (!(conn->possible_displays() & HWC_DISPLAY_PRIMARY_BIT))
continue;
if (conn->built_in())
continue;
if (conn->state() != DRM_MODE_CONNECTED)
continue;
found_primary = true;
SetPrimaryDisplay(conn.get());
}
if (!found_primary) {
for (auto &conn : connectors_) {
if (!(conn->possible_displays() & HWC_DISPLAY_PRIMARY_BIT))
continue;
if (conn->state() != DRM_MODE_CONNECTED)
continue;
found_primary = true;
SetPrimaryDisplay(conn.get());
}
}
if (!found_primary) {
for (auto &conn : connectors_) {
if (!(conn->possible_displays() & HWC_DISPLAY_PRIMARY_BIT))
continue;
found_primary = true;
SetPrimaryDisplay(conn.get());
}
}
if (!found_primary) {
ALOGE("failed to find primary display\n");
return -ENODEV;
}
for (auto &conn : connectors_) {
if (!(conn->possible_displays() & HWC_DISPLAY_EXTERNAL_BIT))
continue;
if (conn->state() != DRM_MODE_CONNECTED)
continue;
SetExtendDisplay(conn.get());
}
ALOGD_IF(1,"%s",out.str().c_str());
out.str("");
if (res)
drmModeFreeResources(res);
// Catch-all for the above loops
if (ret)
return ret;
return 0;
}
void DrmResources::DisplayChanged(void) {
enable_changed_ = true;
};
void DrmResources::SetPrimaryDisplay(DrmConnector *c) {
if (primary_ != c) {
primary_ = c;
}
enable_changed_ = true;
};
void DrmResources::SetExtendDisplay(DrmConnector *c) {
if (extend_ != c) {
if (extend_)
extend_->force_disconnect(false);
extend_ = c;
enable_changed_ = true;
}
};
DrmConnector *DrmResources::GetConnectorFromType(int display_type) const {
if (display_type == HWC_DISPLAY_PRIMARY)
return primary_;
else if (display_type == HWC_DISPLAY_EXTERNAL)
return extend_;
return NULL;
}
DrmCrtc *DrmResources::GetCrtcFromConnector(DrmConnector *conn) const {
if (conn->encoder())
return conn->encoder()->crtc();
return NULL;
}
uint32_t DrmResources::next_mode_id() {
return ++mode_id_;
}
void DrmResources::ClearDisplay(void)
{
for (int i = 0; i < HWC_NUM_PHYSICAL_DISPLAY_TYPES; i++) {
DrmConnector *conn = GetConnectorFromType(i);
if (conn && conn->state() == DRM_MODE_CONNECTED &&
conn->current_mode().id() && conn->encoder() &&
conn->encoder()->crtc())
continue;
}
}
int DrmResources::UpdateDisplayRoute(void)
{
bool mode_changed = false;
int i;
for (i = 0; i < HWC_NUM_PHYSICAL_DISPLAY_TYPES; i++) {
DrmConnector *conn = GetConnectorFromType(i);
if (!conn || conn->state() != DRM_MODE_CONNECTED || !conn->current_mode().id())
continue;
if (conn->current_mode() == conn->active_mode())
continue;
mode_changed = true;
}
if (!enable_changed_ && !mode_changed)
return 0;
DrmConnector *primary = GetConnectorFromType(HWC_DISPLAY_PRIMARY);
if (!primary) {
ALOGE("Failed to find primary display\n");
return -EINVAL;
}
DrmConnector *extend = GetConnectorFromType(HWC_DISPLAY_EXTERNAL);
if (enable_changed_) {
primary->set_encoder(NULL);
if (extend)
extend->set_encoder(NULL);
if (primary->state() == DRM_MODE_CONNECTED) {
for (DrmEncoder *enc : primary->possible_encoders()) {
for (DrmCrtc *crtc : enc->possible_crtcs()) {
if (crtc->get_afbc()) {
enc->set_crtc(crtc);
primary->set_encoder(enc);
ALOGD_IF(log_level(DBG_VERBOSE), "set primary with conn[%d] crtc=%d\n",primary->id(), crtc->id());
}
}
}
/*
* not limit
*/
if (!primary->encoder() || !primary->encoder()->crtc()) {
for (DrmEncoder *enc : primary->possible_encoders()) {
for (DrmCrtc *crtc : enc->possible_crtcs()) {
enc->set_crtc(crtc);
primary->set_encoder(enc);
ALOGD_IF(log_level(DBG_VERBOSE), "set primary with conn[%d] crtc=%d\n",primary->id(), crtc->id());
}
}
}
}
if (extend && extend->state() == DRM_MODE_CONNECTED) {
for (DrmEncoder *enc : extend->possible_encoders()) {
for (DrmCrtc *crtc : enc->possible_crtcs()) {
if (primary && primary->encoder() && primary->encoder()->crtc()) {
if (crtc == primary->encoder()->crtc())
continue;
}
ALOGD_IF(log_level(DBG_VERBOSE), "set extend[%d] with crtc=%d\n", extend->id(), crtc->id());
enc->set_crtc(crtc);
extend->set_encoder(enc);
}
}
if (!extend->encoder() || !extend->encoder()->crtc()) {
for (DrmEncoder *enc : extend->possible_encoders()) {
for (DrmCrtc *crtc : enc->possible_crtcs()) {
enc->set_crtc(crtc);
extend->set_encoder(enc);
ALOGD_IF(log_level(DBG_VERBOSE), "set extend[%d] with crtc=%d\n", extend->id(), crtc->id());
if (primary && primary->encoder() && primary->encoder()->crtc()) {
if (crtc == primary->encoder()->crtc()) {
primary->encoder()->set_crtc(NULL);
primary->set_encoder(NULL);
for (DrmEncoder *primary_enc : primary->possible_encoders()) {
for (DrmCrtc *primary_crtc : primary_enc->possible_crtcs()) {
if (extend && extend->encoder() && extend->encoder()->crtc()) {
if (primary_crtc == extend->encoder()->crtc())
continue;
}
primary_enc->set_crtc(primary_crtc);
primary->set_encoder(primary_enc);
ALOGD_IF(log_level(DBG_VERBOSE), "set primary with conn[%d] crtc=%d\n",primary->id(), primary_crtc->id());
}
}
}
}
}
}
}
}
}
enable_changed_ = false;
return 0;
}
int DrmResources::CreatePropertyBlob(void *data, size_t length,
uint32_t *blob_id) {
struct drm_mode_create_blob create_blob;
memset(&create_blob, 0, sizeof(create_blob));
create_blob.length = length;
create_blob.data = (__u64)data;
int ret = drmIoctl(fd(), DRM_IOCTL_MODE_CREATEPROPBLOB, &create_blob);
if (ret) {
ALOGE("Failed to create mode property blob %d", ret);
return ret;
}
*blob_id = create_blob.blob_id;
return 0;
}
int DrmResources::DestroyPropertyBlob(uint32_t blob_id) {
if (!blob_id)
return 0;
struct drm_mode_destroy_blob destroy_blob;
memset(&destroy_blob, 0, sizeof(destroy_blob));
destroy_blob.blob_id = (__u32)blob_id;
int ret = drmIoctl(fd(), DRM_IOCTL_MODE_DESTROYPROPBLOB, &destroy_blob);
if (ret) {
ALOGE("Failed to destroy mode property blob %" PRIu32 "/%d", blob_id, ret);
return ret;
}
return 0;
}
int DrmResources::GetProperty(uint32_t obj_id, uint32_t obj_type,
const char *prop_name, DrmProperty *property) {
drmModeObjectPropertiesPtr props;
props = drmModeObjectGetProperties(fd(), obj_id, obj_type);
if (!props) {
ALOGE("Failed to get properties for %d/%x", obj_id, obj_type);
return -ENODEV;
}
bool found = false;
for (int i = 0; !found && (size_t)i < props->count_props; ++i) {
drmModePropertyPtr p = drmModeGetProperty(fd(), props->props[i]);
if (!strcmp(p->name, prop_name)) {
property->Init(p, props->prop_values[i]);
found = true;
}
drmModeFreeProperty(p);
}
drmModeFreeObjectProperties(props);
return found ? 0 : -ENOENT;
}
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
static inline int64_t U642I64(uint64_t val)
{
return (int64_t)*((int64_t *)&val);
}
struct type_name {
int type;
const char *name;
};
#define type_name_fn(res) \
const char * DrmResources::res##_str(int type) { \
unsigned int i; \
for (i = 0; i < ARRAY_SIZE(res##_names); i++) { \
if (res##_names[i].type == type) \
return res##_names[i].name; \
} \
return "(invalid)"; \
}
struct type_name encoder_type_names[] = {
{ DRM_MODE_ENCODER_NONE, "none" },
{ DRM_MODE_ENCODER_DAC, "DAC" },
{ DRM_MODE_ENCODER_TMDS, "TMDS" },
{ DRM_MODE_ENCODER_LVDS, "LVDS" },
{ DRM_MODE_ENCODER_TVDAC, "TVDAC" },
};
type_name_fn(encoder_type)
struct type_name connector_status_names[] = {
{ DRM_MODE_CONNECTED, "connected" },
{ DRM_MODE_DISCONNECTED, "disconnected" },
{ DRM_MODE_UNKNOWNCONNECTION, "unknown" },
};
type_name_fn(connector_status)
struct type_name connector_type_names[] = {
{ DRM_MODE_CONNECTOR_Unknown, "unknown" },
{ DRM_MODE_CONNECTOR_VGA, "VGA" },
{ DRM_MODE_CONNECTOR_DVII, "DVI-I" },
{ DRM_MODE_CONNECTOR_DVID, "DVI-D" },
{ DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
{ DRM_MODE_CONNECTOR_Composite, "composite" },
{ DRM_MODE_CONNECTOR_SVIDEO, "s-video" },
{ DRM_MODE_CONNECTOR_LVDS, "LVDS" },
{ DRM_MODE_CONNECTOR_Component, "component" },
{ DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN" },
{ DRM_MODE_CONNECTOR_DisplayPort, "DP" },
{ DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
{ DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
{ DRM_MODE_CONNECTOR_TV, "TV" },
{ DRM_MODE_CONNECTOR_eDP, "eDP" },
{ DRM_MODE_CONNECTOR_VIRTUAL, "Virtual" },
{ DRM_MODE_CONNECTOR_DSI, "DSI" },
};
type_name_fn(connector_type)
#define bit_name_fn(res) \
const char * res##_str(int type, std::ostringstream *out) { \
unsigned int i; \
const char *sep = ""; \
for (i = 0; i < ARRAY_SIZE(res##_names); i++) { \
if (type & (1 << i)) { \
*out << sep << res##_names[i]; \
sep = ", "; \
} \
} \
return NULL; \
}
static const char *mode_type_names[] = {
"builtin",
"clock_c",
"crtc_c",
"preferred",
"default",
"userdef",
"driver",
};
static bit_name_fn(mode_type)
static const char *mode_flag_names[] = {
"phsync",
"nhsync",
"pvsync",
"nvsync",
"interlace",
"dblscan",
"csync",
"pcsync",
"ncsync",
"hskew",
"bcast",
"pixmux",
"dblclk",
"clkdiv2"
};
static bit_name_fn(mode_flag)
void DrmResources::dump_mode(drmModeModeInfo *mode, std::ostringstream *out) {
*out << mode->name << " " << mode->vrefresh << " "
<< mode->hdisplay << " " << mode->hsync_start << " "
<< mode->hsync_end << " " << mode->htotal << " "
<< mode->vdisplay << " " << mode->vsync_start << " "
<< mode->vsync_end << " " << mode->vtotal;
*out << " flags: ";
mode_flag_str(mode->flags, out);
*out << " types: " << mode->type << "\n";
mode_type_str(mode->type, out);
}
void DrmResources::dump_blob(uint32_t blob_id, std::ostringstream *out) {
uint32_t i;
unsigned char *blob_data;
drmModePropertyBlobPtr blob;
blob = drmModeGetPropertyBlob(fd(), blob_id);
if (!blob) {
*out << "\n";
return;
}
blob_data = (unsigned char*)blob->data;
for (i = 0; i < blob->length; i++) {
if (i % 16 == 0)
*out << "\n\t\t\t";
*out << std::hex << blob_data[i];
}
*out << "\n";
drmModeFreePropertyBlob(blob);
}
void DrmResources::dump_prop(drmModePropertyPtr prop,
uint32_t prop_id, uint64_t value, std::ostringstream *out) {
int i;
*out << "\t" << prop_id;
if (!prop) {
*out << "\n";
return;
}
ALOGD_IF(log_level(DBG_VERBOSE),"%s",out->str().c_str());
out->str("");
*out << " " << prop->name << ":\n";
*out << "\t\tflags:";
if (prop->flags & DRM_MODE_PROP_PENDING)
*out << " pending";
if (prop->flags & DRM_MODE_PROP_IMMUTABLE)
*out << " immutable";
if (drm_property_type_is(prop, DRM_MODE_PROP_SIGNED_RANGE))
*out << " signed range";
if (drm_property_type_is(prop, DRM_MODE_PROP_RANGE))
*out << " range";
if (drm_property_type_is(prop, DRM_MODE_PROP_ENUM))
*out << " enum";
if (drm_property_type_is(prop, DRM_MODE_PROP_BITMASK))
*out << " bitmask";
if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB))
*out << " blob";
if (drm_property_type_is(prop, DRM_MODE_PROP_OBJECT))
*out << " object";
*out << "\n";
if (drm_property_type_is(prop, DRM_MODE_PROP_SIGNED_RANGE)) {
*out << "\t\tvalues:";
for (i = 0; i < prop->count_values; i++)
*out << U642I64(prop->values[i]);
*out << "\n";
}
if (drm_property_type_is(prop, DRM_MODE_PROP_RANGE)) {
*out << "\t\tvalues:";
for (i = 0; i < prop->count_values; i++)
*out << prop->values[i];
*out << "\n";
}
if (drm_property_type_is(prop, DRM_MODE_PROP_ENUM)) {
*out << "\t\tenums:";
for (i = 0; i < prop->count_enums; i++)
*out << prop->enums[i].name << "=" << prop->enums[i].value;
*out << "\n";
} else if (drm_property_type_is(prop, DRM_MODE_PROP_BITMASK)) {
*out << "\t\tvalues:";
for (i = 0; i < prop->count_enums; i++)
*out << prop->enums[i].name << "=" << std::hex << (1LL << prop->enums[i].value);
*out << "\n";
} else {
//assert(prop->count_enums == 0);
}
if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB)) {
*out << "\t\tblobs:\n";
for (i = 0; i < prop->count_blobs; i++)
dump_blob(prop->blob_ids[i], out);
*out << "\n";
} else {
//assert(prop->count_blobs == 0);
}
*out << "\t\tvalue:";
if (drm_property_type_is(prop, DRM_MODE_PROP_BLOB))
dump_blob(value, out);
else
*out << value;
*out << "\n";
}
int DrmResources::DumpProperty(uint32_t obj_id, uint32_t obj_type, std::ostringstream *out) {
drmModePropertyPtr* prop_info;
drmModeObjectPropertiesPtr props;
props = drmModeObjectGetProperties(fd(), obj_id, obj_type);
if (!props) {
ALOGE("Failed to get properties for %d/%x", obj_id, obj_type);
return -ENODEV;
}
prop_info = (drmModePropertyPtr*)malloc(props->count_props * sizeof *prop_info);
if (!prop_info) {
ALOGE("Malloc drmModePropertyPtr array failed");
return -ENOMEM;
}
*out << " props:\n";
for (int i = 0;(size_t)i < props->count_props; ++i) {
prop_info[i] = drmModeGetProperty(fd(), props->props[i]);
dump_prop(prop_info[i],props->props[i],props->prop_values[i],out);
drmModeFreeProperty(prop_info[i]);
}
drmModeFreeObjectProperties(props);
free(prop_info);
return 0;
}
int DrmResources::DumpCrtcProperty(const DrmCrtc &crtc, std::ostringstream *out) {
return DumpProperty(crtc.id(), DRM_MODE_OBJECT_CRTC, out);
}
int DrmResources::DumpConnectorProperty(const DrmConnector &connector, std::ostringstream *out) {
return DumpProperty(connector.id(), DRM_MODE_OBJECT_CONNECTOR, out);
}
int DrmResources::GetCrtcProperty(const DrmCrtc &crtc, const char *prop_name,
DrmProperty *property) {
return GetProperty(crtc.id(), DRM_MODE_OBJECT_CRTC, prop_name, property);
}
int DrmResources::GetConnectorProperty(const DrmConnector &connector,
const char *prop_name,
DrmProperty *property) {
return GetProperty(connector.id(), DRM_MODE_OBJECT_CONNECTOR, prop_name,
property);
}
}