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path: root/drivers/gpu/drm/amd/amdgpu
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_display.c18
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c29
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c2
5 files changed, 43 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index acd066d0a805..8297bc319369 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -72,8 +72,8 @@ static void amdgpu_flip_work_func(struct work_struct *__work)
struct drm_crtc *crtc = &amdgpuCrtc->base;
unsigned long flags;
- unsigned i;
- int vpos, hpos, stat, min_udelay;
+ unsigned i, repcnt = 4;
+ int vpos, hpos, stat, min_udelay = 0;
struct drm_vblank_crtc *vblank = &crtc->dev->vblank[work->crtc_id];
amdgpu_flip_wait_fence(adev, &work->excl);
@@ -96,7 +96,7 @@ static void amdgpu_flip_work_func(struct work_struct *__work)
* In practice this won't execute very often unless on very fast
* machines because the time window for this to happen is very small.
*/
- for (;;) {
+ while (amdgpuCrtc->enabled && repcnt--) {
/* GET_DISTANCE_TO_VBLANKSTART returns distance to real vblank
* start in hpos, and to the "fudged earlier" vblank start in
* vpos.
@@ -114,10 +114,22 @@ static void amdgpu_flip_work_func(struct work_struct *__work)
/* Sleep at least until estimated real start of hw vblank */
spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
min_udelay = (-hpos + 1) * max(vblank->linedur_ns / 1000, 5);
+ if (min_udelay > vblank->framedur_ns / 2000) {
+ /* Don't wait ridiculously long - something is wrong */
+ repcnt = 0;
+ break;
+ }
usleep_range(min_udelay, 2 * min_udelay);
spin_lock_irqsave(&crtc->dev->event_lock, flags);
};
+ if (!repcnt)
+ DRM_DEBUG_DRIVER("Delay problem on crtc %d: min_udelay %d, "
+ "framedur %d, linedur %d, stat %d, vpos %d, "
+ "hpos %d\n", work->crtc_id, min_udelay,
+ vblank->framedur_ns / 1000,
+ vblank->linedur_ns / 1000, stat, vpos, hpos);
+
/* do the flip (mmio) */
adev->mode_info.funcs->page_flip(adev, work->crtc_id, work->base);
/* set the flip status */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 7380f782cd14..d20c2a8929cb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -596,7 +596,8 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
break;
}
ttm_eu_backoff_reservation(&ticket, &list);
- if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE))
+ if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE) &&
+ !amdgpu_vm_debug)
amdgpu_gem_va_update_vm(adev, bo_va, args->operation);
drm_gem_object_unreference_unlocked(gobj);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 7d8d84eaea4a..66855b62a603 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -113,6 +113,10 @@ static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
+ if ((adev->flags & AMD_IS_PX) &&
+ (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+ return snprintf(buf, PAGE_SIZE, "off\n");
+
if (adev->pp_enabled) {
enum amd_dpm_forced_level level;
@@ -140,6 +144,11 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
enum amdgpu_dpm_forced_level level;
int ret = 0;
+ /* Can't force performance level when the card is off */
+ if ((adev->flags & AMD_IS_PX) &&
+ (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+ return -EINVAL;
+
if (strncmp("low", buf, strlen("low")) == 0) {
level = AMDGPU_DPM_FORCED_LEVEL_LOW;
} else if (strncmp("high", buf, strlen("high")) == 0) {
@@ -157,6 +166,7 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
mutex_lock(&adev->pm.mutex);
if (adev->pm.dpm.thermal_active) {
count = -EINVAL;
+ mutex_unlock(&adev->pm.mutex);
goto fail;
}
ret = amdgpu_dpm_force_performance_level(adev, level);
@@ -167,8 +177,6 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
mutex_unlock(&adev->pm.mutex);
}
fail:
- mutex_unlock(&adev->pm.mutex);
-
return count;
}
@@ -182,8 +190,14 @@ static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
char *buf)
{
struct amdgpu_device *adev = dev_get_drvdata(dev);
+ struct drm_device *ddev = adev->ddev;
int temp;
+ /* Can't get temperature when the card is off */
+ if ((adev->flags & AMD_IS_PX) &&
+ (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
+ return -EINVAL;
+
if (!adev->pp_enabled && !adev->pm.funcs->get_temperature)
temp = 0;
else
@@ -634,8 +648,6 @@ force:
/* update display watermarks based on new power state */
amdgpu_display_bandwidth_update(adev);
- /* update displays */
- amdgpu_dpm_display_configuration_changed(adev);
adev->pm.dpm.current_active_crtcs = adev->pm.dpm.new_active_crtcs;
adev->pm.dpm.current_active_crtc_count = adev->pm.dpm.new_active_crtc_count;
@@ -655,6 +667,9 @@ force:
amdgpu_dpm_post_set_power_state(adev);
+ /* update displays */
+ amdgpu_dpm_display_configuration_changed(adev);
+
if (adev->pm.funcs->force_performance_level) {
if (adev->pm.dpm.thermal_active) {
enum amdgpu_dpm_forced_level level = adev->pm.dpm.forced_level;
@@ -847,12 +862,16 @@ static int amdgpu_debugfs_pm_info(struct seq_file *m, void *data)
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct amdgpu_device *adev = dev->dev_private;
+ struct drm_device *ddev = adev->ddev;
if (!adev->pm.dpm_enabled) {
seq_printf(m, "dpm not enabled\n");
return 0;
}
- if (adev->pp_enabled) {
+ if ((adev->flags & AMD_IS_PX) &&
+ (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) {
+ seq_printf(m, "PX asic powered off\n");
+ } else if (adev->pp_enabled) {
amdgpu_dpm_debugfs_print_current_performance_level(adev, m);
} else {
mutex_lock(&adev->pm.mutex);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 6442a06d6fdc..1cbb16e15307 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -712,7 +712,7 @@ static int amdgpu_ttm_tt_populate(struct ttm_tt *ttm)
0, PAGE_SIZE,
PCI_DMA_BIDIRECTIONAL);
if (pci_dma_mapping_error(adev->pdev, gtt->ttm.dma_address[i])) {
- while (--i) {
+ while (i--) {
pci_unmap_page(adev->pdev, gtt->ttm.dma_address[i],
PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
gtt->ttm.dma_address[i] = 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 8f8ec37ecd88..1c40bd90afbb 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4995,7 +4995,7 @@ static int gfx_v8_0_set_priv_reg_fault_state(struct amdgpu_device *adev,
case AMDGPU_IRQ_STATE_ENABLE:
cp_int_cntl = RREG32(mmCP_INT_CNTL_RING0);
cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0,
- PRIV_REG_INT_ENABLE, 0);
+ PRIV_REG_INT_ENABLE, 1);
WREG32(mmCP_INT_CNTL_RING0, cp_int_cntl);
break;
default: