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path: root/drivers/gpu/drm/radeon/radeon_device.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c134
1 files changed, 96 insertions, 38 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 39b033b441d..697add2cd4e 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -99,14 +99,18 @@ static const char radeon_family_name[][16] = {
"KAVERI",
"KABINI",
"HAWAII",
+ "MULLINS",
"LAST",
};
-#if defined(CONFIG_VGA_SWITCHEROO)
-bool radeon_is_px(void);
-#else
-static inline bool radeon_is_px(void) { return false; }
-#endif
+bool radeon_is_px(struct drm_device *dev)
+{
+ struct radeon_device *rdev = dev->dev_private;
+
+ if (rdev->flags & RADEON_IS_PX)
+ return true;
+ return false;
+}
/**
* radeon_program_register_sequence - program an array of registers.
@@ -144,6 +148,11 @@ void radeon_program_register_sequence(struct radeon_device *rdev,
}
}
+void radeon_pci_config_reset(struct radeon_device *rdev)
+{
+ pci_write_config_dword(rdev->pdev, 0x7c, RADEON_ASIC_RESET_DATA);
+}
+
/**
* radeon_surface_init - Clear GPU surface registers.
*
@@ -249,7 +258,7 @@ void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg)
* Init doorbell driver information (CIK)
* Returns 0 on success, error on failure.
*/
-int radeon_doorbell_init(struct radeon_device *rdev)
+static int radeon_doorbell_init(struct radeon_device *rdev)
{
/* doorbell bar mapping */
rdev->doorbell.base = pci_resource_start(rdev->pdev, 2);
@@ -278,7 +287,7 @@ int radeon_doorbell_init(struct radeon_device *rdev)
*
* Tear down doorbell driver information (CIK)
*/
-void radeon_doorbell_fini(struct radeon_device *rdev)
+static void radeon_doorbell_fini(struct radeon_device *rdev)
{
iounmap(rdev->doorbell.ptr);
rdev->doorbell.ptr = NULL;
@@ -1043,6 +1052,43 @@ static void radeon_check_arguments(struct radeon_device *rdev)
radeon_agpmode = 0;
break;
}
+
+ if (!radeon_check_pot_argument(radeon_vm_size)) {
+ dev_warn(rdev->dev, "VM size (%d) must be a power of 2\n",
+ radeon_vm_size);
+ radeon_vm_size = 4;
+ }
+
+ if (radeon_vm_size < 1) {
+ dev_warn(rdev->dev, "VM size (%d) to small, min is 1GB\n",
+ radeon_vm_size);
+ radeon_vm_size = 4;
+ }
+
+ /*
+ * Max GPUVM size for Cayman, SI and CI are 40 bits.
+ */
+ if (radeon_vm_size > 1024) {
+ dev_warn(rdev->dev, "VM size (%d) too large, max is 1TB\n",
+ radeon_vm_size);
+ radeon_vm_size = 4;
+ }
+
+ /* defines number of bits in page table versus page directory,
+ * a page is 4KB so we have 12 bits offset, minimum 9 bits in the
+ * page table and the remaining bits are in the page directory */
+ if (radeon_vm_block_size < 9) {
+ dev_warn(rdev->dev, "VM page table size (%d) too small\n",
+ radeon_vm_block_size);
+ radeon_vm_block_size = 9;
+ }
+
+ if (radeon_vm_block_size > 24 ||
+ (radeon_vm_size * 1024) < (1ull << radeon_vm_block_size)) {
+ dev_warn(rdev->dev, "VM page table size (%d) too large\n",
+ radeon_vm_block_size);
+ radeon_vm_block_size = 9;
+ }
}
/**
@@ -1077,7 +1123,7 @@ static void radeon_switcheroo_set_state(struct pci_dev *pdev, enum vga_switchero
{
struct drm_device *dev = pci_get_drvdata(pdev);
- if (radeon_is_px() && state == VGA_SWITCHEROO_OFF)
+ if (radeon_is_px(dev) && state == VGA_SWITCHEROO_OFF)
return;
if (state == VGA_SWITCHEROO_ON) {
@@ -1117,12 +1163,13 @@ static void radeon_switcheroo_set_state(struct pci_dev *pdev, enum vga_switchero
static bool radeon_switcheroo_can_switch(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
- bool can_switch;
- spin_lock(&dev->count_lock);
- can_switch = (dev->open_count == 0);
- spin_unlock(&dev->count_lock);
- return can_switch;
+ /*
+ * FIXME: open_count is protected by drm_global_mutex but that would lead to
+ * locking inversion with the driver load path. And the access here is
+ * completely racy anyway. So don't bother with locking for now.
+ */
+ return dev->open_count == 0;
}
static const struct vga_switcheroo_client_ops radeon_switcheroo_ops = {
@@ -1186,20 +1233,17 @@ int radeon_device_init(struct radeon_device *rdev,
r = radeon_gem_init(rdev);
if (r)
return r;
- /* initialize vm here */
- mutex_init(&rdev->vm_manager.lock);
+
+ radeon_check_arguments(rdev);
/* Adjust VM size here.
- * Currently set to 4GB ((1 << 20) 4k pages).
- * Max GPUVM size for cayman and SI is 40 bits.
+ * Max GPUVM size for cayman+ is 40 bits.
*/
- rdev->vm_manager.max_pfn = 1 << 20;
- INIT_LIST_HEAD(&rdev->vm_manager.lru_vm);
+ rdev->vm_manager.max_pfn = radeon_vm_size << 18;
/* Set asic functions */
r = radeon_asic_init(rdev);
if (r)
return r;
- radeon_check_arguments(rdev);
/* all of the newer IGP chips have an internal gart
* However some rs4xx report as AGP, so remove that here.
@@ -1298,9 +1342,7 @@ int radeon_device_init(struct radeon_device *rdev,
* ignore it */
vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode);
- if (radeon_runtime_pm == 1)
- runtime = true;
- if ((radeon_runtime_pm == -1) && radeon_is_px())
+ if (rdev->flags & RADEON_IS_PX)
runtime = true;
vga_switcheroo_register_client(rdev->pdev, &radeon_switcheroo_ops, runtime);
if (runtime)
@@ -1330,6 +1372,7 @@ int radeon_device_init(struct radeon_device *rdev,
if (r)
return r;
}
+
if ((radeon_testing & 1)) {
if (rdev->accel_working)
radeon_test_moves(rdev);
@@ -1420,7 +1463,7 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon)
/* unpin the front buffers */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->fb);
+ struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->primary->fb);
struct radeon_bo *robj;
if (rfb == NULL || rfb->obj == NULL) {
@@ -1439,10 +1482,9 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon)
/* evict vram memory */
radeon_bo_evict_vram(rdev);
- mutex_lock(&rdev->ring_lock);
/* wait for gpu to finish processing current batch */
for (i = 0; i < RADEON_NUM_RINGS; i++) {
- r = radeon_fence_wait_empty_locked(rdev, i);
+ r = radeon_fence_wait_empty(rdev, i);
if (r) {
/* delay GPU reset to resume */
force_completion = true;
@@ -1451,11 +1493,9 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon)
if (force_completion) {
radeon_fence_driver_force_completion(rdev);
}
- mutex_unlock(&rdev->ring_lock);
radeon_save_bios_scratch_regs(rdev);
- radeon_pm_suspend(rdev);
radeon_suspend(rdev);
radeon_hpd_fini(rdev);
/* evict remaining vram memory */
@@ -1516,14 +1556,20 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
if (r)
DRM_ERROR("ib ring test failed (%d).\n", r);
- radeon_pm_resume(rdev);
+ if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
+ /* do dpm late init */
+ r = radeon_pm_late_init(rdev);
+ if (r) {
+ rdev->pm.dpm_enabled = false;
+ DRM_ERROR("radeon_pm_late_init failed, disabling dpm\n");
+ }
+ } else {
+ /* resume old pm late */
+ radeon_pm_resume(rdev);
+ }
+
radeon_restore_bios_scratch_regs(rdev);
- if (fbcon) {
- radeon_fbdev_set_suspend(rdev, 0);
- console_unlock();
- }
-
/* init dig PHYs, disp eng pll */
if (rdev->is_atom_bios) {
radeon_atom_encoder_init(rdev);
@@ -1539,13 +1585,25 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
/* reset hpd state */
radeon_hpd_init(rdev);
/* blat the mode back in */
- drm_helper_resume_force_mode(dev);
- /* turn on display hw */
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
+ if (fbcon) {
+ drm_helper_resume_force_mode(dev);
+ /* turn on display hw */
+ list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+ drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
+ }
}
drm_kms_helper_poll_enable(dev);
+
+ /* set the power state here in case we are a PX system or headless */
+ if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
+ radeon_pm_compute_clocks(rdev);
+
+ if (fbcon) {
+ radeon_fbdev_set_suspend(rdev, 0);
+ console_unlock();
+ }
+
return 0;
}