diff options
Diffstat (limited to 'drivers/gpu/drm/arm/display/komeda/komeda_kms.c')
| -rw-r--r-- | drivers/gpu/drm/arm/display/komeda/komeda_kms.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c index 47a58ab20434..b214edbfbbc6 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c @@ -13,6 +13,7 @@ #include <drm/drm_fb_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> +#include <drm/drm_irq.h> #include <drm/drm_vblank.h> #include "komeda_dev.h" @@ -33,10 +34,31 @@ static int komeda_gem_cma_dumb_create(struct drm_file *file, return drm_gem_cma_dumb_create_internal(file, dev, args); } +static irqreturn_t komeda_kms_irq_handler(int irq, void *data) +{ + struct drm_device *drm = data; + struct komeda_dev *mdev = drm->dev_private; + struct komeda_kms_dev *kms = to_kdev(drm); + struct komeda_events evts; + irqreturn_t status; + u32 i; + + /* Call into the CHIP to recognize events */ + memset(&evts, 0, sizeof(evts)); + status = mdev->funcs->irq_handler(mdev, &evts); + + /* Notify the crtc to handle the events */ + for (i = 0; i < kms->n_crtcs; i++) + komeda_crtc_handle_event(&kms->crtcs[i], &evts); + + return status; +} + static struct drm_driver komeda_kms_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC | - DRIVER_PRIME, + DRIVER_PRIME | DRIVER_HAVE_IRQ, .lastclose = drm_fb_helper_lastclose, + .irq_handler = komeda_kms_irq_handler, .gem_free_object_unlocked = drm_gem_cma_free_object, .gem_vm_ops = &drm_gem_cma_vm_ops, .dumb_create = komeda_gem_cma_dumb_create, @@ -144,12 +166,22 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev) drm_mode_config_reset(drm); - err = drm_dev_register(drm, 0); + err = drm_irq_install(drm, mdev->irq); if (err) goto cleanup_mode_config; + err = mdev->funcs->enable_irq(mdev); + if (err) + goto uninstall_irq; + + err = drm_dev_register(drm, 0); + if (err) + goto uninstall_irq; + return kms; +uninstall_irq: + drm_irq_uninstall(drm); cleanup_mode_config: drm_mode_config_cleanup(drm); free_kms: @@ -162,7 +194,9 @@ void komeda_kms_detach(struct komeda_kms_dev *kms) struct drm_device *drm = &kms->base; struct komeda_dev *mdev = drm->dev_private; + mdev->funcs->disable_irq(mdev); drm_dev_unregister(drm); + drm_irq_uninstall(drm); component_unbind_all(mdev->dev, drm); komeda_kms_cleanup_private_objs(mdev); drm_mode_config_cleanup(drm); |