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path: root/drivers/gpu/drm/nouveau/nouveau_drm.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_drm.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drm.c88
1 files changed, 65 insertions, 23 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 4ee702ac8907..ddd83756b9a2 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -33,6 +33,7 @@
#include <core/client.h>
#include <core/gpuobj.h>
#include <core/class.h>
+#include <core/option.h>
#include <engine/device.h>
#include <engine/disp.h>
@@ -81,7 +82,7 @@ module_param_named(runpm, nouveau_runtime_pm, int, 0400);
static struct drm_driver driver;
static u64
-nouveau_name(struct pci_dev *pdev)
+nouveau_pci_name(struct pci_dev *pdev)
{
u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
name |= pdev->bus->number << 16;
@@ -89,15 +90,30 @@ nouveau_name(struct pci_dev *pdev)
return name | PCI_FUNC(pdev->devfn);
}
+static u64
+nouveau_platform_name(struct platform_device *platformdev)
+{
+ return platformdev->id;
+}
+
+static u64
+nouveau_name(struct drm_device *dev)
+{
+ if (dev->pdev)
+ return nouveau_pci_name(dev->pdev);
+ else
+ return nouveau_platform_name(dev->platformdev);
+}
+
static int
-nouveau_cli_create(struct pci_dev *pdev, const char *name,
+nouveau_cli_create(u64 name, const char *sname,
int size, void **pcli)
{
struct nouveau_cli *cli;
int ret;
*pcli = NULL;
- ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
+ ret = nouveau_client_create_(sname, name, nouveau_config,
nouveau_debug, size, pcli);
cli = *pcli;
if (ret) {
@@ -281,7 +297,8 @@ static int nouveau_drm_probe(struct pci_dev *pdev,
remove_conflicting_framebuffers(aper, "nouveaufb", boot);
kfree(aper);
- ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
+ ret = nouveau_device_create(pdev, NOUVEAU_BUS_PCI,
+ nouveau_pci_name(pdev), pci_name(pdev),
nouveau_config, nouveau_debug, &device);
if (ret)
return ret;
@@ -300,22 +317,27 @@ static int nouveau_drm_probe(struct pci_dev *pdev,
#define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
static void
-nouveau_get_hdmi_dev(struct drm_device *dev)
+nouveau_get_hdmi_dev(struct nouveau_drm *drm)
{
- struct nouveau_drm *drm = dev->dev_private;
- struct pci_dev *pdev = dev->pdev;
+ struct pci_dev *pdev = drm->dev->pdev;
+
+ if (!pdev) {
+ DRM_INFO("not a PCI device; no HDMI\n");
+ drm->hdmi_device = NULL;
+ return;
+ }
/* subfunction one is a hdmi audio device? */
drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
if (!drm->hdmi_device) {
- DRM_INFO("hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
+ NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
return;
}
if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
- DRM_INFO("possible hdmi device not audio %d\n", drm->hdmi_device->class);
+ NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
pci_dev_put(drm->hdmi_device);
drm->hdmi_device = NULL;
return;
@@ -330,22 +352,24 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags)
struct nouveau_drm *drm;
int ret;
- ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
+ ret = nouveau_cli_create(nouveau_name(dev), "DRM", sizeof(*drm),
+ (void **)&drm);
if (ret)
return ret;
dev->dev_private = drm;
drm->dev = dev;
+ nouveau_client(drm)->debug = nouveau_dbgopt(nouveau_debug, "DRM");
INIT_LIST_HEAD(&drm->clients);
spin_lock_init(&drm->tile.lock);
- nouveau_get_hdmi_dev(dev);
+ nouveau_get_hdmi_dev(drm);
/* make sure AGP controller is in a consistent state before we
* (possibly) execute vbios init tables (see nouveau_agp.h)
*/
- if (drm_pci_device_is_agp(dev) && dev->agp) {
+ if (pdev && drm_pci_device_is_agp(dev) && dev->agp) {
/* dummy device object, doesn't init anything, but allows
* agp code access to registers
*/
@@ -486,13 +510,13 @@ nouveau_drm_remove(struct pci_dev *pdev)
}
static int
-nouveau_do_suspend(struct drm_device *dev)
+nouveau_do_suspend(struct drm_device *dev, bool runtime)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_cli *cli;
int ret;
- if (dev->mode_config.num_crtc) {
+ if (dev->mode_config.num_crtc && !runtime) {
NV_INFO(drm, "suspending display...\n");
ret = nouveau_display_suspend(dev);
if (ret)
@@ -566,7 +590,7 @@ int nouveau_pmops_suspend(struct device *dev)
if (drm_dev->mode_config.num_crtc)
nouveau_fbcon_set_suspend(drm_dev, 1);
- ret = nouveau_do_suspend(drm_dev);
+ ret = nouveau_do_suspend(drm_dev, false);
if (ret)
return ret;
@@ -646,7 +670,7 @@ static int nouveau_pmops_freeze(struct device *dev)
if (drm_dev->mode_config.num_crtc)
nouveau_fbcon_set_suspend(drm_dev, 1);
- ret = nouveau_do_suspend(drm_dev);
+ ret = nouveau_do_suspend(drm_dev, false);
return ret;
}
@@ -671,7 +695,6 @@ static int nouveau_pmops_thaw(struct device *dev)
static int
nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
{
- struct pci_dev *pdev = dev->pdev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_cli *cli;
char name[32], tmpname[TASK_COMM_LEN];
@@ -679,13 +702,15 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0)
+ if (ret < 0 && ret != -EACCES)
return ret;
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
- ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
+ ret = nouveau_cli_create(nouveau_name(dev), name, sizeof(*cli),
+ (void **)&cli);
+
if (ret)
goto out_suspend;
@@ -762,7 +787,7 @@ long nouveau_drm_ioctl(struct file *filp,
dev = file_priv->minor->dev;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0)
+ if (ret < 0 && ret != -EACCES)
return ret;
ret = drm_ioctl(filp, cmd, arg);
@@ -882,7 +907,7 @@ static int nouveau_pmops_runtime_suspend(struct device *dev)
drm_kms_helper_poll_disable(drm_dev);
vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
nouveau_switcheroo_optimus_dsm();
- ret = nouveau_do_suspend(drm_dev);
+ ret = nouveau_do_suspend(drm_dev, true);
pci_save_state(pdev);
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3cold);
@@ -908,8 +933,6 @@ static int nouveau_pmops_runtime_resume(struct device *dev)
pci_set_master(pdev);
ret = nouveau_do_resume(drm_dev);
- if (drm_dev->mode_config.num_crtc)
- nouveau_display_resume(drm_dev);
drm_kms_helper_poll_enable(drm_dev);
/* do magic */
nv_mask(device, 0x88488, (1 << 25), (1 << 25));
@@ -980,6 +1003,25 @@ nouveau_drm_pci_driver = {
.driver.pm = &nouveau_pm_ops,
};
+int nouveau_drm_platform_probe(struct platform_device *pdev)
+{
+ struct nouveau_device *device;
+ int ret;
+
+ ret = nouveau_device_create(pdev, NOUVEAU_BUS_PLATFORM,
+ nouveau_platform_name(pdev),
+ dev_name(&pdev->dev), nouveau_config,
+ nouveau_debug, &device);
+
+ ret = drm_platform_init(&driver, pdev);
+ if (ret) {
+ nouveau_object_ref(NULL, (struct nouveau_object **)&device);
+ return ret;
+ }
+
+ return ret;
+}
+
static int __init
nouveau_drm_init(void)
{
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.