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 | 84 |
1 files changed, 46 insertions, 38 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c index 6b85d5f4caa8..6ed504099188 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c @@ -4,16 +4,14 @@ * Author: James.Qian.Wang <james.qian.wang@arm.com> * */ -#include <linux/component.h> #include <linux/interrupt.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> -#include <drm/drm_fb_helper.h> -#include <drm/drm_gem_cma_helper.h> +#include <drm/drm_fbdev_dma.h> +#include <drm/drm_gem_dma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> -#include <drm/drm_irq.h> #include <drm/drm_managed.h> #include <drm/drm_probe_helper.h> #include <drm/drm_vblank.h> @@ -22,9 +20,9 @@ #include "komeda_framebuffer.h" #include "komeda_kms.h" -DEFINE_DRM_GEM_CMA_FOPS(komeda_cma_fops); +DEFINE_DRM_GEM_DMA_FOPS(komeda_cma_fops); -static int komeda_gem_cma_dumb_create(struct drm_file *file, +static int komeda_gem_dma_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args) { @@ -33,7 +31,7 @@ static int komeda_gem_cma_dumb_create(struct drm_file *file, args->pitch = ALIGN(pitch, mdev->chip.bus_width); - return drm_gem_cma_dumb_create_internal(file, dev, args); + return drm_gem_dma_dumb_create_internal(file, dev, args); } static irqreturn_t komeda_kms_irq_handler(int irq, void *data) @@ -58,30 +56,40 @@ static irqreturn_t komeda_kms_irq_handler(int irq, void *data) return status; } -static struct drm_driver komeda_kms_driver = { +static const struct drm_driver komeda_kms_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, - .lastclose = drm_fb_helper_lastclose, - .gem_free_object_unlocked = drm_gem_cma_free_object, - .gem_vm_ops = &drm_gem_cma_vm_ops, - .dumb_create = komeda_gem_cma_dumb_create, - .prime_handle_to_fd = drm_gem_prime_handle_to_fd, - .prime_fd_to_handle = drm_gem_prime_fd_to_handle, - .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table, - .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, - .gem_prime_vmap = drm_gem_cma_prime_vmap, - .gem_prime_vunmap = drm_gem_cma_prime_vunmap, - .gem_prime_mmap = drm_gem_cma_prime_mmap, + DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(komeda_gem_dma_dumb_create), + DRM_FBDEV_DMA_DRIVER_OPS, .fops = &komeda_cma_fops, .name = "komeda", .desc = "Arm Komeda Display Processor driver", - .date = "20181101", .major = 0, .minor = 1, }; +static void komeda_kms_atomic_commit_hw_done(struct drm_atomic_state *state) +{ + struct drm_device *dev = state->dev; + struct komeda_kms_dev *kms = to_kdev(dev); + int i; + + for (i = 0; i < kms->n_crtcs; i++) { + struct komeda_crtc *kcrtc = &kms->crtcs[i]; + + if (kcrtc->base.state->active) { + struct completion *flip_done = NULL; + if (kcrtc->base.state->event) + flip_done = kcrtc->base.state->event->base.completion; + komeda_crtc_flush_and_wait_for_flip_done(kcrtc, flip_done); + } + } + drm_atomic_helper_commit_hw_done(state); +} + static void komeda_kms_commit_tail(struct drm_atomic_state *old_state) { struct drm_device *dev = old_state->dev; + bool fence_cookie = dma_fence_begin_signalling(); drm_atomic_helper_commit_modeset_disables(dev, old_state); @@ -90,9 +98,11 @@ static void komeda_kms_commit_tail(struct drm_atomic_state *old_state) drm_atomic_helper_commit_modeset_enables(dev, old_state); + komeda_kms_atomic_commit_hw_done(old_state); + drm_atomic_helper_wait_for_flip_done(dev, old_state); - drm_atomic_helper_commit_hw_done(old_state); + dma_fence_end_signalling(fence_cookie); drm_atomic_helper_cleanup_planes(dev, old_state); } @@ -151,6 +161,7 @@ static int komeda_crtc_normalize_zpos(struct drm_crtc *crtc, struct drm_plane *plane; struct list_head zorder_list; int order = 0, err; + u32 slave_zpos = 0; DRM_DEBUG_ATOMIC("[CRTC:%d:%s] calculating normalized zpos values\n", crtc->base.id, crtc->name); @@ -190,10 +201,13 @@ static int komeda_crtc_normalize_zpos(struct drm_crtc *crtc, plane_st->zpos, plane_st->normalized_zpos); /* calculate max slave zorder */ - if (has_bit(drm_plane_index(plane), kcrtc->slave_planes)) + if (has_bit(drm_plane_index(plane), kcrtc->slave_planes)) { + slave_zpos = plane_st->normalized_zpos; + if (to_kplane_st(plane_st)->layer_split) + slave_zpos++; kcrtc_st->max_slave_zorder = - max(plane_st->normalized_zpos, - kcrtc_st->max_slave_zorder); + max(slave_zpos, kcrtc_st->max_slave_zorder); + } } crtc_st->zpos_changed = true; @@ -253,7 +267,6 @@ static void komeda_kms_mode_config_init(struct komeda_kms_dev *kms, config->min_height = 0; config->max_width = 4096; config->max_height = 4096; - config->allow_fb_modifiers = true; config->funcs = &komeda_mode_config_funcs; config->helper_private = &komeda_mode_config_helpers; @@ -296,19 +309,13 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev) if (err) goto cleanup_mode_config; - err = component_bind_all(mdev->dev, kms); - if (err) - goto cleanup_mode_config; - drm_mode_config_reset(drm); err = devm_request_irq(drm->dev, mdev->irq, komeda_kms_irq_handler, IRQF_SHARED, drm->driver->name, drm); if (err) - goto free_component_binding; - - drm->irq_enabled = true; + goto cleanup_mode_config; drm_kms_helper_poll_init(drm); @@ -320,9 +327,6 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev) free_interrupts: drm_kms_helper_poll_fini(drm); - drm->irq_enabled = false; -free_component_binding: - component_unbind_all(mdev->dev, drm); cleanup_mode_config: drm_mode_config_cleanup(drm); komeda_kms_cleanup_private_objs(kms); @@ -333,14 +337,18 @@ cleanup_mode_config: void komeda_kms_detach(struct komeda_kms_dev *kms) { struct drm_device *drm = &kms->base; - struct komeda_dev *mdev = drm->dev_private; drm_dev_unregister(drm); drm_kms_helper_poll_fini(drm); drm_atomic_helper_shutdown(drm); - drm->irq_enabled = false; - component_unbind_all(mdev->dev, drm); drm_mode_config_cleanup(drm); komeda_kms_cleanup_private_objs(kms); drm->dev_private = NULL; } + +void komeda_kms_shutdown(struct komeda_kms_dev *kms) +{ + struct drm_device *drm = &kms->base; + + drm_atomic_helper_shutdown(drm); +} |