summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2019-11-27 17:45:48 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-11-27 17:45:48 -0800
commita6ed68d6468bd5a3da78a103344ded1435fed57a (patch)
treebe42a3609d7e9a2581806aab5bc1ace42f9ca992 /drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
parent8c39f71ee2019e77ee14f88b1321b2348db51820 (diff)
parentacc61b8929365e63a3e8c8c8913177795aa45594 (diff)
Merge tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "Lots of stuff in here, though it hasn't been too insane this merge apart from dealing with the security fun. uapi: - export different colorspace properties on DP vs HDMI - new fourcc for ARM 16x16 block format - syncobj: allow querying last submitted timeline value - DRM_FORMAT_BIG_ENDIAN defined as unsigned core: - allow using gem vma manager in ttm - connector/encoder/bridge doc fixes - allow more than 3 encoders for a connector - displayport mst suspend/resume reprobing support - vram lazy unmapping, uniform vram mm and gem vram - edid cleanups + AVI informframe bar info - displayport helpers - dpcd parser added dp_cec: - Allow a connector to be associated with a cec device ttm: - pipelining with no_gpu_wait fix - always keep BOs on the LRU sched: - allow free_job routine to sleep i915: - Block userptr from mappable GTT - i915 perf uapi versioning - OA stream dynamic reconfiguration - make context persistence optional - introduce DRM_I915_UNSTABLE Kconfig - add fake lmem testing under unstable - BT.2020 support for DP MSA - struct mutex elimination - Tigerlake display/PLL/power management improvements - Jasper Lake PCH support - refactor PMU for multiple GPUs - Icelake firmware update - Split out vga + switcheroo code amdgpu: - implement dma-buf import/export without helpers - vega20 RAS enablement - DC i2c over aux fixes - renoir GPU reset - DC HDCP support - BACO support for CI/VI asics - MSI-X support - Arcturus EEPROM support - Arcturus VCN encode support - VCN dynamic powergating on RV/RV2 amdkfd: - add navi12/14/renoir support to kfd radeon: - SI dpm fix ported from amdgpu - fix bad DMA on ppc platforms gma500: - memory leak fixes qxl: - convert to new gem mmap exynos: - build warning fix komeda: - add aclk sysfs attribute v3d: - userspace cleanup uapi change i810: - fix for underflow in dispatch ioctls ast: - refactor show_cursor mgag200: - refactor show_cursor arcgpu: - encoder finding improvements mediatek: - mipi_tx, dsi and partial crtc support for MT8183 SoC - rotation support meson: - add suspend/resume support omap: - misc refactors tegra: - DisplayPort support for Tegra 210, 186 and 194. - IOMMU-backed DMA API fixes panfrost: - fix lockdep issue - simplify devfreq integration rcar-du: - R8A774B1 SoC support - fixes for H2 ES2.0 sun4i: - vcc-dsi regulator support virtio-gpu: - vmexit vs spinlock fix - move to gem shmem helpers - handle large command buffers with cma" * tag 'drm-next-2019-11-27' of git://anongit.freedesktop.org/drm/drm: (1855 commits) drm/amdgpu: invalidate mmhub semaphore workaround in gmc9/gmc10 drm/amdgpu: initialize vm_inv_eng0_sem for gfxhub and mmhub drm/amd/amdgpu/sriov skip RLCG s/r list for arcturus VF. drm/amd/amdgpu/sriov temporarily skip ras,dtm,hdcp for arcturus VF drm/amdgpu/gfx10: re-init clear state buffer after gpu reset merge fix for "ftrace: Rework event_create_dir()" drm/amdgpu: Update Arcturus golden registers drm/amdgpu/gfx10: fix out-of-bound mqd_backup array access drm/amdgpu/gfx10: explicitly wait for cp idle after halt/unhalt Revert "drm/amd/display: enable S/G for RAVEN chip" drm/amdgpu: disable gfxoff on original raven drm/amdgpu: remove experimental flag for Navi14 drm/amdgpu: disable gfxoff when using register read interface drm/amdgpu/powerplay: properly set PP_GFXOFF_MASK (v2) drm/amdgpu: fix bad DMA from INTERRUPT_CNTL2 drm/radeon: fix bad DMA from INTERRUPT_CNTL2 drm/amd/display: Fix debugfs on MST connectors drm/amdgpu/nv: add asic func for fetching vbios from rom directly drm/amdgpu: put flush_delayed_work at first drm/amdgpu/vcn2.5: fix the enc loop with hw fini ...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c41
1 files changed, 34 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 2a3f5ec298db..30d540d23b77 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -87,10 +87,13 @@ static void amdgpu_hotplug_work_func(struct work_struct *work)
struct drm_device *dev = adev->ddev;
struct drm_mode_config *mode_config = &dev->mode_config;
struct drm_connector *connector;
+ struct drm_connector_list_iter iter;
mutex_lock(&mode_config->mutex);
- list_for_each_entry(connector, &mode_config->connector_list, head)
+ drm_connector_list_iter_begin(dev, &iter);
+ drm_for_each_connector_iter(connector, &iter)
amdgpu_connector_hotplug(connector);
+ drm_connector_list_iter_end(&iter);
mutex_unlock(&mode_config->mutex);
/* Just fire off a uevent and let userspace tell us what to do */
drm_helper_hpd_irq_event(dev);
@@ -153,6 +156,20 @@ irqreturn_t amdgpu_irq_handler(int irq, void *arg)
ret = amdgpu_ih_process(adev, &adev->irq.ih);
if (ret == IRQ_HANDLED)
pm_runtime_mark_last_busy(dev->dev);
+
+ /* For the hardware that cannot enable bif ring for both ras_controller_irq
+ * and ras_err_evnet_athub_irq ih cookies, the driver has to poll status
+ * register to check whether the interrupt is triggered or not, and properly
+ * ack the interrupt if it is there
+ */
+ if (adev->nbio.funcs &&
+ adev->nbio.funcs->handle_ras_controller_intr_no_bifring)
+ adev->nbio.funcs->handle_ras_controller_intr_no_bifring(adev);
+
+ if (adev->nbio.funcs &&
+ adev->nbio.funcs->handle_ras_err_event_athub_intr_no_bifring)
+ adev->nbio.funcs->handle_ras_err_event_athub_intr_no_bifring(adev);
+
return ret;
}
@@ -228,10 +245,19 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
adev->irq.msi_enabled = false;
if (amdgpu_msi_ok(adev)) {
- int ret = pci_enable_msi(adev->pdev);
- if (!ret) {
+ int nvec = pci_msix_vec_count(adev->pdev);
+ unsigned int flags;
+
+ if (nvec <= 0) {
+ flags = PCI_IRQ_MSI;
+ } else {
+ flags = PCI_IRQ_MSI | PCI_IRQ_MSIX;
+ }
+ /* we only need one vector */
+ nvec = pci_alloc_irq_vectors(adev->pdev, 1, 1, flags);
+ if (nvec > 0) {
adev->irq.msi_enabled = true;
- dev_dbg(adev->dev, "amdgpu: using MSI.\n");
+ dev_dbg(adev->dev, "amdgpu: using MSI/MSI-X.\n");
}
}
@@ -254,7 +280,8 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
INIT_WORK(&adev->irq.ih2_work, amdgpu_irq_handle_ih2);
adev->irq.installed = true;
- r = drm_irq_install(adev->ddev, adev->ddev->pdev->irq);
+ /* Use vector 0 for MSI-X */
+ r = drm_irq_install(adev->ddev, pci_irq_vector(adev->pdev, 0));
if (r) {
adev->irq.installed = false;
if (!amdgpu_device_has_dc_support(adev))
@@ -284,7 +311,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev)
drm_irq_uninstall(adev->ddev);
adev->irq.installed = false;
if (adev->irq.msi_enabled)
- pci_disable_msi(adev->pdev);
+ pci_free_irq_vectors(adev->pdev);
if (!amdgpu_device_has_dc_support(adev))
flush_work(&adev->hotplug_work);
}
@@ -369,7 +396,7 @@ int amdgpu_irq_add_id(struct amdgpu_device *adev,
* amdgpu_irq_dispatch - dispatch IRQ to IP blocks
*
* @adev: amdgpu device pointer
- * @entry: interrupt vector pointer
+ * @ih: interrupt ring instance
*
* Dispatches IRQ to IP blocks.
*/