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: Liviu Dudau <liviu.dudau@xxxxxxx>
Cc: Brian Starkey <brian.starkey@xxxxxxx>
Signed-off-by: Noralf Trønnes <noralf@xxxxxxxxxxx>
Acked-by: Liviu Dudau <liviu.dudau@xxxxxxx>
---
drivers/gpu/drm/arm/hdlcd_drv.c | 37 ++++++-------------------------------
drivers/gpu/drm/arm/hdlcd_drv.h | 1 -
2 files changed, 6 insertions(+), 32 deletions(-)
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
index 59b21bdc0c30..9752240d3540 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.c
+++ b/drivers/gpu/drm/arm/hdlcd_drv.c
@@ -99,16 +99,9 @@ static int hdlcd_load(struct drm_device *drm, unsigned long flags)
return ret;
}
-static void hdlcd_fb_output_poll_changed(struct drm_device *drm)
-{
- struct hdlcd_drm_private *hdlcd = drm->dev_private;
-
- drm_fbdev_cma_hotplug_event(hdlcd->fbdev);
-}
-
static const struct drm_mode_config_funcs hdlcd_mode_config_funcs = {
.fb_create = drm_gem_fb_create,
- .output_poll_changed = hdlcd_fb_output_poll_changed,
+ .output_poll_changed = drm_fb_helper_output_poll_changed,
.atomic_check = drm_atomic_helper_check,
.atomic_commit = drm_atomic_helper_commit,
};
@@ -123,13 +116,6 @@ static void hdlcd_setup_mode_config(struct drm_device *drm)
drm->mode_config.funcs = &hdlcd_mode_config_funcs;
}
-static void hdlcd_lastclose(struct drm_device *drm)
-{
- struct hdlcd_drm_private *hdlcd = drm->dev_private;
-
- drm_fbdev_cma_restore_mode(hdlcd->fbdev);
-}
-
static irqreturn_t hdlcd_irq(int irq, void *arg)
{
struct drm_device *drm = arg;
@@ -245,7 +231,7 @@ static struct drm_driver hdlcd_driver = {
.driver_features = DRIVER_HAVE_IRQ | DRIVER_GEM |
DRIVER_MODESET | DRIVER_PRIME |
DRIVER_ATOMIC,
- .lastclose = hdlcd_lastclose,
+ .lastclose = drm_fb_helper_lastclose,
.irq_handler = hdlcd_irq,
.irq_preinstall = hdlcd_irq_preinstall,
.irq_postinstall = hdlcd_irq_postinstall,
@@ -320,14 +306,9 @@ static int hdlcd_drm_bind(struct device *dev)
drm_mode_config_reset(drm);
drm_kms_helper_poll_init(drm);
- hdlcd->fbdev = drm_fbdev_cma_init(drm, 32,
- drm->mode_config.num_connector);
-
- if (IS_ERR(hdlcd->fbdev)) {
- ret = PTR_ERR(hdlcd->fbdev);
- hdlcd->fbdev = NULL;
+ ret = drm_fb_cma_fbdev_init(drm, 32, 0);
+ if (ret)
goto err_fbdev;
- }
ret = drm_dev_register(drm, 0);
if (ret)
@@ -336,10 +317,7 @@ static int hdlcd_drm_bind(struct device *dev)
return 0;
err_register:
- if (hdlcd->fbdev) {
- drm_fbdev_cma_fini(hdlcd->fbdev);
- hdlcd->fbdev = NULL;
- }
+ drm_fb_cma_fbdev_fini(drm);
err_fbdev:
drm_kms_helper_poll_fini(drm);
err_vblank:
@@ -365,10 +343,7 @@ static void hdlcd_drm_unbind(struct device *dev)
struct hdlcd_drm_private *hdlcd = drm->dev_private;
drm_dev_unregister(drm);
- if (hdlcd->fbdev) {
- drm_fbdev_cma_fini(hdlcd->fbdev);
- hdlcd->fbdev = NULL;
- }
+ drm_fb_cma_fbdev_fini(drm);
drm_kms_helper_poll_fini(drm);
component_unbind_all(dev, drm);
of_node_put(hdlcd->crtc.port);
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.h b/drivers/gpu/drm/arm/hdlcd_drv.h
index e3950a071152..a9f0b4350d95 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.h
+++ b/drivers/gpu/drm/arm/hdlcd_drv.h
@@ -8,7 +8,6 @@
struct hdlcd_drm_private {
void __iomem *mmio;
struct clk *clk;
- struct drm_fbdev_cma *fbdev;
struct drm_crtc crtc;
struct drm_plane *plane;
struct drm_atomic_state *state;
--
2.14.2
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