mirror of
https://github.com/NVIDIA/open-gpu-kernel-modules.git
synced 2024-12-13 15:08:59 +01:00
353 lines
9.6 KiB
C
353 lines
9.6 KiB
C
|
/*
|
||
|
* Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
|
||
|
*
|
||
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
||
|
* copy of this software and associated documentation files (the "Software"),
|
||
|
* to deal in the Software without restriction, including without limitation
|
||
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||
|
* and/or sell copies of the Software, and to permit persons to whom the
|
||
|
* Software is furnished to do so, subject to the following conditions:
|
||
|
*
|
||
|
* The above copyright notice and this permission notice shall be included in
|
||
|
* all copies or substantial portions of the Software.
|
||
|
*
|
||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||
|
* DEALINGS IN THE SOFTWARE.
|
||
|
*/
|
||
|
|
||
|
#include "nvidia-drm-conftest.h" /* NV_DRM_ATOMIC_MODESET_AVAILABLE */
|
||
|
|
||
|
#if defined(NV_DRM_ATOMIC_MODESET_AVAILABLE)
|
||
|
|
||
|
#include "nvidia-drm-priv.h"
|
||
|
#include "nvidia-drm-encoder.h"
|
||
|
#include "nvidia-drm-utils.h"
|
||
|
#include "nvidia-drm-connector.h"
|
||
|
#include "nvidia-drm-crtc.h"
|
||
|
#include "nvidia-drm-helper.h"
|
||
|
|
||
|
#include "nvmisc.h"
|
||
|
|
||
|
/*
|
||
|
* Commit fcd70cd36b9b ("drm: Split out drm_probe_helper.h")
|
||
|
* moves a number of helper function definitions from
|
||
|
* drm/drm_crtc_helper.h to a new drm_probe_helper.h.
|
||
|
*/
|
||
|
#if defined(NV_DRM_DRM_PROBE_HELPER_H_PRESENT)
|
||
|
#include <drm/drm_probe_helper.h>
|
||
|
#endif
|
||
|
#include <drm/drm_crtc_helper.h>
|
||
|
|
||
|
#include <drm/drm_atomic.h>
|
||
|
#include <drm/drm_atomic_helper.h>
|
||
|
|
||
|
static void nv_drm_encoder_destroy(struct drm_encoder *encoder)
|
||
|
{
|
||
|
struct nv_drm_encoder *nv_encoder = to_nv_encoder(encoder);
|
||
|
|
||
|
drm_encoder_cleanup(encoder);
|
||
|
|
||
|
nv_drm_free(nv_encoder);
|
||
|
}
|
||
|
|
||
|
static const struct drm_encoder_funcs nv_encoder_funcs = {
|
||
|
.destroy = nv_drm_encoder_destroy,
|
||
|
};
|
||
|
|
||
|
static bool nv_drm_encoder_mode_fixup(struct drm_encoder *encoder,
|
||
|
const struct drm_display_mode *mode,
|
||
|
struct drm_display_mode *adjusted_mode)
|
||
|
{
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
static void nv_drm_encoder_prepare(struct drm_encoder *encoder)
|
||
|
{
|
||
|
|
||
|
}
|
||
|
|
||
|
static void nv_drm_encoder_commit(struct drm_encoder *encoder)
|
||
|
{
|
||
|
|
||
|
}
|
||
|
|
||
|
static void nv_drm_encoder_mode_set(struct drm_encoder *encoder,
|
||
|
struct drm_display_mode *mode,
|
||
|
struct drm_display_mode *adjusted_mode)
|
||
|
{
|
||
|
|
||
|
}
|
||
|
|
||
|
static const struct drm_encoder_helper_funcs nv_encoder_helper_funcs = {
|
||
|
.mode_fixup = nv_drm_encoder_mode_fixup,
|
||
|
.prepare = nv_drm_encoder_prepare,
|
||
|
.commit = nv_drm_encoder_commit,
|
||
|
.mode_set = nv_drm_encoder_mode_set,
|
||
|
};
|
||
|
|
||
|
static uint32_t get_crtc_mask(struct drm_device *dev, uint32_t headMask)
|
||
|
{
|
||
|
struct drm_crtc *crtc = NULL;
|
||
|
uint32_t crtc_mask = 0x0;
|
||
|
|
||
|
nv_drm_for_each_crtc(crtc, dev) {
|
||
|
struct nv_drm_crtc *nv_crtc = to_nv_crtc(crtc);
|
||
|
|
||
|
if (headMask & NVBIT(nv_crtc->head)) {
|
||
|
crtc_mask |= drm_crtc_mask(crtc);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return crtc_mask;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Helper function to create new encoder for given NvKmsKapiDisplay
|
||
|
* with given signal format.
|
||
|
*/
|
||
|
static struct drm_encoder*
|
||
|
nv_drm_encoder_new(struct drm_device *dev,
|
||
|
NvKmsKapiDisplay hDisplay,
|
||
|
NvKmsConnectorSignalFormat format,
|
||
|
unsigned int crtc_mask)
|
||
|
{
|
||
|
struct nv_drm_device *nv_dev = to_nv_device(dev);
|
||
|
|
||
|
struct nv_drm_encoder *nv_encoder = NULL;
|
||
|
|
||
|
int ret = 0;
|
||
|
|
||
|
/* Allocate an NVIDIA encoder object */
|
||
|
|
||
|
nv_encoder = nv_drm_calloc(1, sizeof(*nv_encoder));
|
||
|
|
||
|
if (nv_encoder == NULL) {
|
||
|
NV_DRM_DEV_LOG_ERR(
|
||
|
nv_dev,
|
||
|
"Failed to allocate memory for NVIDIA-DRM encoder object");
|
||
|
return ERR_PTR(-ENOMEM);
|
||
|
}
|
||
|
|
||
|
nv_encoder->hDisplay = hDisplay;
|
||
|
|
||
|
/* Initialize the base encoder object and add it to the drm subsystem */
|
||
|
|
||
|
ret = drm_encoder_init(dev,
|
||
|
&nv_encoder->base, &nv_encoder_funcs,
|
||
|
nvkms_connector_signal_to_drm_encoder_signal(format)
|
||
|
#if defined(NV_DRM_ENCODER_INIT_HAS_NAME_ARG)
|
||
|
, NULL
|
||
|
#endif
|
||
|
);
|
||
|
|
||
|
if (ret != 0) {
|
||
|
nv_drm_free(nv_encoder);
|
||
|
|
||
|
NV_DRM_DEV_LOG_ERR(
|
||
|
nv_dev,
|
||
|
"Failed to initialize encoder created from NvKmsKapiDisplay 0x%08x",
|
||
|
hDisplay);
|
||
|
return ERR_PTR(ret);
|
||
|
}
|
||
|
|
||
|
nv_encoder->base.possible_crtcs = crtc_mask;
|
||
|
|
||
|
drm_encoder_helper_add(&nv_encoder->base, &nv_encoder_helper_funcs);
|
||
|
|
||
|
return &nv_encoder->base;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* Add encoder for given NvKmsKapiDisplay
|
||
|
*/
|
||
|
struct drm_encoder*
|
||
|
nv_drm_add_encoder(struct drm_device *dev, NvKmsKapiDisplay hDisplay)
|
||
|
{
|
||
|
struct nv_drm_device *nv_dev = to_nv_device(dev);
|
||
|
|
||
|
struct NvKmsKapiStaticDisplayInfo *displayInfo = NULL;
|
||
|
struct NvKmsKapiConnectorInfo *connectorInfo = NULL;
|
||
|
|
||
|
struct drm_encoder *encoder = NULL;
|
||
|
struct nv_drm_encoder *nv_encoder = NULL;
|
||
|
|
||
|
struct drm_connector *connector = NULL;
|
||
|
|
||
|
int ret = 0;
|
||
|
|
||
|
/* Query NvKmsKapiStaticDisplayInfo and NvKmsKapiConnectorInfo */
|
||
|
|
||
|
if ((displayInfo = nv_drm_calloc(1, sizeof(*displayInfo))) == NULL) {
|
||
|
ret = -ENOMEM;
|
||
|
goto done;
|
||
|
}
|
||
|
|
||
|
if (!nvKms->getStaticDisplayInfo(nv_dev->pDevice, hDisplay, displayInfo)) {
|
||
|
ret = -EINVAL;
|
||
|
goto done;
|
||
|
}
|
||
|
|
||
|
connectorInfo = nvkms_get_connector_info(nv_dev->pDevice,
|
||
|
displayInfo->connectorHandle);
|
||
|
|
||
|
if (IS_ERR(connectorInfo)) {
|
||
|
ret = PTR_ERR(connectorInfo);
|
||
|
goto done;
|
||
|
}
|
||
|
|
||
|
/* Create and add drm encoder */
|
||
|
|
||
|
encoder = nv_drm_encoder_new(dev,
|
||
|
displayInfo->handle,
|
||
|
connectorInfo->signalFormat,
|
||
|
get_crtc_mask(dev, connectorInfo->headMask));
|
||
|
|
||
|
if (IS_ERR(encoder)) {
|
||
|
ret = PTR_ERR(encoder);
|
||
|
goto done;
|
||
|
}
|
||
|
|
||
|
/* Get connector from respective physical index */
|
||
|
|
||
|
connector =
|
||
|
nv_drm_get_connector(dev,
|
||
|
connectorInfo->physicalIndex,
|
||
|
connectorInfo->type,
|
||
|
displayInfo->internal, displayInfo->dpAddress);
|
||
|
|
||
|
if (IS_ERR(connector)) {
|
||
|
ret = PTR_ERR(connector);
|
||
|
goto failed_connector_encoder_attach;
|
||
|
}
|
||
|
|
||
|
/* Attach encoder and connector */
|
||
|
|
||
|
ret = nv_drm_connector_attach_encoder(connector, encoder);
|
||
|
|
||
|
if (ret != 0) {
|
||
|
NV_DRM_DEV_LOG_ERR(
|
||
|
nv_dev,
|
||
|
"Failed to attach encoder created from NvKmsKapiDisplay 0x%08x "
|
||
|
"to connector",
|
||
|
hDisplay);
|
||
|
goto failed_connector_encoder_attach;
|
||
|
}
|
||
|
|
||
|
nv_encoder = to_nv_encoder(encoder);
|
||
|
|
||
|
mutex_lock(&dev->mode_config.mutex);
|
||
|
|
||
|
nv_encoder->nv_connector = to_nv_connector(connector);
|
||
|
|
||
|
nv_drm_connector_mark_connection_status_dirty(nv_encoder->nv_connector);
|
||
|
|
||
|
mutex_unlock(&dev->mode_config.mutex);
|
||
|
|
||
|
goto done;
|
||
|
|
||
|
failed_connector_encoder_attach:
|
||
|
|
||
|
drm_encoder_cleanup(encoder);
|
||
|
|
||
|
nv_drm_free(encoder);
|
||
|
|
||
|
done:
|
||
|
|
||
|
nv_drm_free(displayInfo);
|
||
|
|
||
|
nv_drm_free(connectorInfo);
|
||
|
|
||
|
return ret != 0 ? ERR_PTR(ret) : encoder;
|
||
|
}
|
||
|
|
||
|
static inline struct nv_drm_encoder*
|
||
|
get_nv_encoder_from_nvkms_display(struct drm_device *dev,
|
||
|
NvKmsKapiDisplay hDisplay)
|
||
|
{
|
||
|
struct drm_encoder *encoder;
|
||
|
|
||
|
nv_drm_for_each_encoder(encoder, dev) {
|
||
|
struct nv_drm_encoder *nv_encoder = to_nv_encoder(encoder);
|
||
|
|
||
|
if (nv_encoder->hDisplay == hDisplay) {
|
||
|
return nv_encoder;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return NULL;
|
||
|
}
|
||
|
|
||
|
void nv_drm_handle_display_change(struct nv_drm_device *nv_dev,
|
||
|
NvKmsKapiDisplay hDisplay)
|
||
|
{
|
||
|
struct drm_device *dev = nv_dev->dev;
|
||
|
struct nv_drm_encoder *nv_encoder = NULL;
|
||
|
|
||
|
mutex_lock(&dev->mode_config.mutex);
|
||
|
|
||
|
nv_encoder = get_nv_encoder_from_nvkms_display(dev, hDisplay);
|
||
|
|
||
|
mutex_unlock(&dev->mode_config.mutex);
|
||
|
|
||
|
if (nv_encoder == NULL) {
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
nv_drm_connector_mark_connection_status_dirty(nv_encoder->nv_connector);
|
||
|
|
||
|
drm_kms_helper_hotplug_event(dev);
|
||
|
}
|
||
|
|
||
|
void nv_drm_handle_dynamic_display_connected(struct nv_drm_device *nv_dev,
|
||
|
NvKmsKapiDisplay hDisplay)
|
||
|
{
|
||
|
struct drm_device *dev = nv_dev->dev;
|
||
|
|
||
|
struct drm_encoder *encoder = NULL;
|
||
|
struct nv_drm_encoder *nv_encoder = NULL;
|
||
|
|
||
|
/*
|
||
|
* Look for an existing encoder with the same hDisplay and
|
||
|
* use it if available.
|
||
|
*/
|
||
|
|
||
|
nv_encoder = get_nv_encoder_from_nvkms_display(dev, hDisplay);
|
||
|
|
||
|
if (nv_encoder != NULL) {
|
||
|
NV_DRM_DEV_LOG_ERR(
|
||
|
nv_dev,
|
||
|
"Encoder with NvKmsKapiDisplay 0x%08x already exists.",
|
||
|
hDisplay);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
encoder = nv_drm_add_encoder(dev, hDisplay);
|
||
|
|
||
|
if (IS_ERR(encoder)) {
|
||
|
NV_DRM_DEV_LOG_ERR(
|
||
|
nv_dev,
|
||
|
"Failed to add encoder for NvKmsKapiDisplay 0x%08x",
|
||
|
hDisplay);
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* On some kernels, DRM has the notion of a "primary group" that
|
||
|
* tracks the global mode setting state for the device.
|
||
|
*
|
||
|
* On kernels where DRM has a primary group, we need to reinitialize
|
||
|
* after adding encoders and connectors.
|
||
|
*/
|
||
|
#if defined(NV_DRM_REINIT_PRIMARY_MODE_GROUP_PRESENT)
|
||
|
drm_reinit_primary_mode_group(dev);
|
||
|
#endif
|
||
|
|
||
|
drm_kms_helper_hotplug_event(dev);
|
||
|
}
|
||
|
#endif
|