diff options
Diffstat (limited to 'drivers/gpu/drm/meson/meson_drv.c')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_drv.c | 44 |
1 files changed, 37 insertions, 7 deletions
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 3ee4d4a4ecba..2281ed3eb774 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -30,14 +30,14 @@ #include <drm/drmP.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> +#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_fb_helper.h> #include <drm/drm_flip_work.h> -#include <drm/drm_crtc_helper.h> -#include <drm/drm_plane_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> -#include <drm/drm_fb_cma_helper.h> +#include <drm/drm_plane_helper.h> +#include <drm/drm_probe_helper.h> #include <drm/drm_rect.h> -#include <drm/drm_fb_helper.h> #include "meson_drv.h" #include "meson_plane.h" @@ -75,6 +75,10 @@ static const struct drm_mode_config_funcs meson_mode_config_funcs = { .fb_create = drm_gem_fb_create, }; +static const struct drm_mode_config_helper_funcs meson_mode_config_helpers = { + .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, +}; + static irqreturn_t meson_irq(int irq, void *arg) { struct drm_device *dev = arg; @@ -90,7 +94,7 @@ static irqreturn_t meson_irq(int irq, void *arg) DEFINE_DRM_GEM_CMA_FOPS(fops); static struct drm_driver meson_driver = { - .driver_features = DRIVER_HAVE_IRQ | DRIVER_GEM | + .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_ATOMIC, @@ -152,6 +156,23 @@ static void meson_vpu_init(struct meson_drm *priv) writel_relaxed(0x20000, priv->io_base + _REG(VPU_WRARB_MODE_L2C1)); } +static void meson_remove_framebuffers(void) +{ + struct apertures_struct *ap; + + ap = alloc_apertures(1); + if (!ap) + return; + + /* The framebuffer can be located anywhere in RAM */ + ap->ranges[0].base = 0; + ap->ranges[0].size = ~0; + + drm_fb_helper_remove_conflicting_framebuffers(ap, "meson-drm-fb", + false); + kfree(ap); +} + static int meson_drv_bind_master(struct device *dev, bool has_components) { struct platform_device *pdev = to_platform_device(dev); @@ -262,10 +283,14 @@ static int meson_drv_bind_master(struct device *dev, bool has_components) if (ret) goto free_drm; + /* Remove early framebuffers (ie. simplefb) */ + meson_remove_framebuffers(); + drm_mode_config_init(drm); drm->mode_config.max_width = 3840; drm->mode_config.max_height = 2160; drm->mode_config.funcs = &meson_mode_config_funcs; + drm->mode_config.helper_private = &meson_mode_config_helpers; /* Hardware Initialization */ @@ -388,8 +413,10 @@ static int meson_probe_remote(struct platform_device *pdev, remote_node = of_graph_get_remote_port_parent(ep); if (!remote_node || remote_node == parent || /* Ignore parent endpoint */ - !of_device_is_available(remote_node)) + !of_device_is_available(remote_node)) { + of_node_put(remote_node); continue; + } count += meson_probe_remote(pdev, match, remote, remote_node); @@ -408,10 +435,13 @@ static int meson_drv_probe(struct platform_device *pdev) for_each_endpoint_of_node(np, ep) { remote = of_graph_get_remote_port_parent(ep); - if (!remote || !of_device_is_available(remote)) + if (!remote || !of_device_is_available(remote)) { + of_node_put(remote); continue; + } count += meson_probe_remote(pdev, &match, np, remote); + of_node_put(remote); } if (count && !match) |