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: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Signed-off-by: Noralf Trønnes <nor...@tronnes.org>
---
drivers/gpu/drm/rcar-du/rcar_du_drv.c | 13 +++----------
drivers/gpu/drm/rcar-du/rcar_du_drv.h | 2 --
drivers/gpu/drm/rcar-du/rcar_du_kms.c | 20 +++++---------------
3 files changed, 8 insertions(+), 27 deletions(-)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index d2f29e6b1112..aa342a1b0d12 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -23,6 +23,7 @@
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_fb_helper.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_gem_cma_helper.h>
@@ -224,19 +225,12 @@ MODULE_DEVICE_TABLE(of, rcar_du_of_table);
* DRM operations
*/
-static void rcar_du_lastclose(struct drm_device *dev)
-{
- struct rcar_du_device *rcdu = dev->dev_private;
-
- drm_fbdev_cma_restore_mode(rcdu->fbdev);
-}
-
DEFINE_DRM_GEM_CMA_FOPS(rcar_du_fops);
static struct drm_driver rcar_du_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME
| DRIVER_ATOMIC,
- .lastclose = rcar_du_lastclose,
+ .lastclose = drm_fb_helper_lastclose,
.gem_free_object_unlocked = drm_gem_cma_free_object,
.gem_vm_ops = &drm_gem_cma_vm_ops,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
@@ -298,8 +292,7 @@ static int rcar_du_remove(struct platform_device *pdev)
drm_dev_unregister(ddev);
- if (rcdu->fbdev)
- drm_fbdev_cma_fini(rcdu->fbdev);
+ drm_fb_cma_fbdev_fini(ddev);
drm_kms_helper_poll_fini(ddev);
drm_mode_config_cleanup(ddev);
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
index f8cd79488ece..bb3516ad26b3 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
@@ -24,7 +24,6 @@
struct clk;
struct device;
struct drm_device;
-struct drm_fbdev_cma;
struct rcar_du_device;
struct rcar_du_lvdsenc;
@@ -80,7 +79,6 @@ struct rcar_du_device {
void __iomem *mmio;
struct drm_device *ddev;
- struct drm_fbdev_cma *fbdev;
struct rcar_du_crtc crtcs[RCAR_DU_MAX_CRTCS];
unsigned int num_crtcs;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index 566d1a948c8f..344c4613fbc1 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -16,6 +16,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_fb_helper.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
@@ -217,13 +218,6 @@ rcar_du_fb_create(struct drm_device *dev, struct drm_file
*file_priv,
return drm_gem_fb_create(dev, file_priv, mode_cmd);
}
-static void rcar_du_output_poll_changed(struct drm_device *dev)
-{
- struct rcar_du_device *rcdu = dev->dev_private;
-
- drm_fbdev_cma_hotplug_event(rcdu->fbdev);
-}
-
/*
-----------------------------------------------------------------------------
* Atomic Check and Update
*/
@@ -278,7 +272,7 @@ static const struct drm_mode_config_helper_funcs
rcar_du_mode_config_helper = {
static const struct drm_mode_config_funcs rcar_du_mode_config_funcs = {
.fb_create = rcar_du_fb_create,
- .output_poll_changed = rcar_du_output_poll_changed,
+ .output_poll_changed = drm_fb_helper_output_poll_changed,
.atomic_check = rcar_du_atomic_check,
.atomic_commit = drm_atomic_helper_commit,
};
@@ -519,7 +513,6 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu)
struct drm_device *dev = rcdu->ddev;
struct drm_encoder *encoder;
- struct drm_fbdev_cma *fbdev;
unsigned int num_encoders;
unsigned int num_groups;
unsigned int i;
@@ -629,12 +622,9 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu)
drm_kms_helper_poll_init(dev);
if (dev->mode_config.num_connector) {
- fbdev = drm_fbdev_cma_init(dev, 32,
- dev->mode_config.num_connector);
- if (IS_ERR(fbdev))
- return PTR_ERR(fbdev);
-
- rcdu->fbdev = fbdev;
+ ret = drm_fb_cma_fbdev_init(dev, 32, 0);
+ if (ret)
+ return ret;
} else {
dev_info(rcdu->dev,
"no connector found, disabling fbdev emulation\n");
--
2.14.2
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