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drm/arm/mali: Use drm_fbdev_generic_setup()

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The CMA helper is already using the drm_fb_helper_generic_probe part of
the generic fbdev emulation. This patch makes full use of the generic
fbdev emulation by using its drm_client callbacks. This means that
drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
now handled by the emulation code. Additionally fbdev unregister happens
automatically on drm_dev_unregister().

The drm_fbdev_generic_setup() call is put after drm_dev_register() in the
driver. This is done to highlight the fact that fbdev emulation is an
internal client that makes use of the driver, it is not part of the
driver as such. If fbdev setup fails, an error is printed, but the driver
succeeds probing.

Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Brian Starkey <brian.starkey@arm.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180908134648.2582-10-noralf@tronnes.org
This commit is contained in:
Noralf Trønnes 2018-09-08 15:46:37 +02:00
parent 941e97c124
commit 9595809896
1 changed files with 2 additions and 9 deletions
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11
drivers/gpu/drm/arm/malidp_drv.c
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@ -260,7 +260,6 @@ static const struct drm_mode_config_helper_funcs malidp_mode_config_helpers = {
static const struct drm_mode_config_funcs malidp_mode_config_funcs = {
.fb_create = drm_gem_fb_create,
.output_poll_changed = drm_fb_helper_output_poll_changed,
.atomic_check = drm_atomic_helper_check,
.atomic_commit = drm_atomic_helper_commit,
};
@ -450,7 +449,6 @@ static int malidp_debugfs_init(struct drm_minor *minor)
static struct drm_driver malidp_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC |
DRIVER_PRIME,
.lastclose = drm_fb_helper_lastclose,
.gem_free_object_unlocked = drm_gem_cma_free_object,
.gem_vm_ops = &drm_gem_cma_vm_ops,
.dumb_create = malidp_dumb_create,
@ -762,22 +760,18 @@ static int malidp_bind(struct device *dev)
drm_mode_config_reset(drm);
ret = drm_fb_cma_fbdev_init(drm, 32, 0);
if (ret)
goto fbdev_fail;
drm_kms_helper_poll_init(drm);
ret = drm_dev_register(drm, 0);
if (ret)
goto register_fail;
drm_fbdev_generic_setup(drm, 32);
return 0;
register_fail:
drm_fb_cma_fbdev_fini(drm);
drm_kms_helper_poll_fini(drm);
fbdev_fail:
pm_runtime_get_sync(dev);
vblank_fail:
malidp_se_irq_fini(hwdev);
@ -814,7 +808,6 @@ static void malidp_unbind(struct device *dev)
struct malidp_hw_device *hwdev = malidp->dev;
drm_dev_unregister(drm);
drm_fb_cma_fbdev_fini(drm);
drm_kms_helper_poll_fini(drm);
pm_runtime_get_sync(dev);
drm_crtc_vblank_off(&malidp->crtc);