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drm/sti: Use drm_fb_cma_fbdev_init/fini() 

Use drm_fb_cma_fbdev_init() and drm_fb_cma_fbdev_fini() which relies on
the fact that drm_device holds a pointer to the drm_fb_helper structure.
This means that the driver doesn't have to keep track of that.
Also use the drm_fb_helper functions directly.

Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Vincent Abriou <vincent.abriou@st.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20171115142001.45358-13-noralf@tronnes.org
hifive-unleashed-5.1
Noralf Trønnes 2017-11-15 15:19:51 +01:00
parent d18df744de
commit 53889c92fd
2 changed files with 5 additions and 23 deletions
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27
drivers/gpu/drm/sti/sti_drv.c
View File

@ -17,6 +17,7 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_of.h>
@ -138,16 +139,9 @@ static int sti_atomic_check(struct drm_device *dev,
return ret;
}
static void sti_output_poll_changed(struct drm_device *ddev)
{
struct sti_private *private = ddev->dev_private;
drm_fbdev_cma_hotplug_event(private->fbdev);
}
static const struct drm_mode_config_funcs sti_mode_config_funcs = {
.fb_create = drm_gem_fb_create,
.output_poll_changed = sti_output_poll_changed,
.output_poll_changed = drm_fb_helper_output_poll_changed,
.atomic_check = sti_atomic_check,
.atomic_commit = drm_atomic_helper_commit,
};
@ -230,11 +224,7 @@ static void sti_cleanup(struct drm_device *ddev)
{
struct sti_private *private = ddev->dev_private;
if (private->fbdev) {
drm_fbdev_cma_fini(private->fbdev);
private->fbdev = NULL;
}
drm_fb_cma_fbdev_fini(ddev);
drm_kms_helper_poll_fini(ddev);
component_unbind_all(ddev->dev, ddev);
kfree(private);
@ -244,8 +234,6 @@ static void sti_cleanup(struct drm_device *ddev)
static int sti_bind(struct device *dev)
{
struct drm_device *ddev;
struct sti_private *private;
struct drm_fbdev_cma *fbdev;
int ret;
ddev = drm_dev_alloc(&sti_driver, dev);
@ -266,15 +254,10 @@ static int sti_bind(struct device *dev)
drm_mode_config_reset(ddev);
private = ddev->dev_private;
if (ddev->mode_config.num_connector) {
fbdev = drm_fbdev_cma_init(ddev, 32,
ddev->mode_config.num_connector);
if (IS_ERR(fbdev)) {
ret = drm_fb_cma_fbdev_init(ddev, 32, 0);
if (ret)
DRM_DEBUG_DRIVER("Warning: fails to create fbdev\n");
fbdev = NULL;
}
private->fbdev = fbdev;
}
return 0;

1
drivers/gpu/drm/sti/sti_drv.h
View File

@ -24,7 +24,6 @@ struct sti_private {
struct sti_compositor *compo;
struct drm_property *plane_zorder_property;
struct drm_device *drm_dev;
struct drm_fbdev_cma *fbdev;
};
extern struct platform_driver sti_tvout_driver;