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path: root/drivers/gpu/drm/tinydrm/core/tinydrm-core.c
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Diffstat (limited to 'drivers/gpu/drm/tinydrm/core/tinydrm-core.c')
-rw-r--r--drivers/gpu/drm/tinydrm/core/tinydrm-core.c104
1 files changed, 5 insertions, 99 deletions
diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-core.c b/drivers/gpu/drm/tinydrm/core/tinydrm-core.c
index 1a8a57cad431..4c6616278c48 100644
--- a/drivers/gpu/drm/tinydrm/core/tinydrm-core.c
+++ b/drivers/gpu/drm/tinydrm/core/tinydrm-core.c
@@ -10,6 +10,7 @@
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/tinydrm/tinydrm.h>
#include <linux/device.h>
@@ -36,23 +37,6 @@
*/
/**
- * tinydrm_lastclose - DRM lastclose helper
- * @drm: DRM device
- *
- * This function ensures that fbdev is restored when drm_lastclose() is called
- * on the last drm_release(). Drivers can use this as their
- * &drm_driver->lastclose callback.
- */
-void tinydrm_lastclose(struct drm_device *drm)
-{
- struct tinydrm_device *tdev = drm->dev_private;
-
- DRM_DEBUG_KMS("\n");
- drm_fbdev_cma_restore_mode(tdev->fbdev_cma);
-}
-EXPORT_SYMBOL(tinydrm_lastclose);
-
-/**
* tinydrm_gem_cma_prime_import_sg_table - Produce a CMA GEM object from
* another driver's scatter/gather table of pinned pages
* @drm: DRM device to import into
@@ -214,35 +198,24 @@ EXPORT_SYMBOL(devm_tinydrm_init);
static int tinydrm_register(struct tinydrm_device *tdev)
{
struct drm_device *drm = tdev->drm;
- int bpp = drm->mode_config.preferred_depth;
- struct drm_fbdev_cma *fbdev;
int ret;
ret = drm_dev_register(tdev->drm, 0);
if (ret)
return ret;
- fbdev = drm_fbdev_cma_init_with_funcs(drm, bpp ? bpp : 32,
- drm->mode_config.num_connector,
- tdev->fb_funcs);
- if (IS_ERR(fbdev))
- DRM_ERROR("Failed to initialize fbdev: %ld\n", PTR_ERR(fbdev));
- else
- tdev->fbdev_cma = fbdev;
+ ret = drm_fb_cma_fbdev_init_with_funcs(drm, 0, 0, tdev->fb_funcs);
+ if (ret)
+ DRM_ERROR("Failed to initialize fbdev: %d\n", ret);
return 0;
}
static void tinydrm_unregister(struct tinydrm_device *tdev)
{
- struct drm_fbdev_cma *fbdev_cma = tdev->fbdev_cma;
-
drm_atomic_helper_shutdown(tdev->drm);
- /* don't restore fbdev in lastclose, keep pipeline disabled */
- tdev->fbdev_cma = NULL;
+ drm_fb_cma_fbdev_fini(tdev->drm);
drm_dev_unregister(tdev->drm);
- if (fbdev_cma)
- drm_fbdev_cma_fini(fbdev_cma);
}
static void devm_tinydrm_register_release(void *data)
@@ -292,71 +265,4 @@ void tinydrm_shutdown(struct tinydrm_device *tdev)
}
EXPORT_SYMBOL(tinydrm_shutdown);
-/**
- * tinydrm_suspend - Suspend tinydrm
- * @tdev: tinydrm device
- *
- * Used in driver PM operations to suspend tinydrm.
- * Suspends fbdev and DRM.
- * Resume with tinydrm_resume().
- *
- * Returns:
- * Zero on success, negative error code on failure.
- */
-int tinydrm_suspend(struct tinydrm_device *tdev)
-{
- struct drm_atomic_state *state;
-
- if (tdev->suspend_state) {
- DRM_ERROR("Failed to suspend: state already set\n");
- return -EINVAL;
- }
-
- drm_fbdev_cma_set_suspend_unlocked(tdev->fbdev_cma, 1);
- state = drm_atomic_helper_suspend(tdev->drm);
- if (IS_ERR(state)) {
- drm_fbdev_cma_set_suspend_unlocked(tdev->fbdev_cma, 0);
- return PTR_ERR(state);
- }
-
- tdev->suspend_state = state;
-
- return 0;
-}
-EXPORT_SYMBOL(tinydrm_suspend);
-
-/**
- * tinydrm_resume - Resume tinydrm
- * @tdev: tinydrm device
- *
- * Used in driver PM operations to resume tinydrm.
- * Suspend with tinydrm_suspend().
- *
- * Returns:
- * Zero on success, negative error code on failure.
- */
-int tinydrm_resume(struct tinydrm_device *tdev)
-{
- struct drm_atomic_state *state = tdev->suspend_state;
- int ret;
-
- if (!state) {
- DRM_ERROR("Failed to resume: state is not set\n");
- return -EINVAL;
- }
-
- tdev->suspend_state = NULL;
-
- ret = drm_atomic_helper_resume(tdev->drm, state);
- if (ret) {
- DRM_ERROR("Error resuming state: %d\n", ret);
- return ret;
- }
-
- drm_fbdev_cma_set_suspend_unlocked(tdev->fbdev_cma, 0);
-
- return 0;
-}
-EXPORT_SYMBOL(tinydrm_resume);
-
MODULE_LICENSE("GPL");