Merge branch 'perf/urgent' into perf/core, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

2 files changed, 6 insertions, 102 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");
diff --git a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
index bd6cce093a85..bf96072d1b97 100644
--- a/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
+++ b/drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c
@@ -414,11 +414,9 @@ tinydrm_dbg_spi_print(struct spi_device *spi, struct spi_transfer *tr,
 void _tinydrm_dbg_spi_message(struct spi_device *spi, struct spi_message *m)
 {
 	struct spi_transfer *tmp;
-	struct list_head *pos;
 	int i = 0;
 
-	list_for_each(pos, &m->transfers) {
-		tmp = list_entry(pos, struct spi_transfer, transfer_list);
+	list_for_each_entry(tmp, &m->transfers, transfer_list) {
 
 		if (tmp->tx_buf)
 			tinydrm_dbg_spi_print(spi, tmp, tmp->tx_buf, i, true);