Merge tag 'drm-misc-next-2019-04-04' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.2:

UAPI Changes:
-syncobj: Add TIMELINE_WAIT|QUERY|TRANSFER|TIMELINE_SIGNAL ioctls (Chunming)
-Clarify that 1.0 can be represented by drm_color_lut (Daniel)

Cross-subsystem Changes:
-dt-bindings: Add binding for rk3066 hdmi (Johan)
-dt-bindings: Add binding for Feiyang FY07024DI26A30-D panel (Jagan)
-dt-bindings: Add Rocktech vendor prefix and jh057n00900 panel bindings (Guido)
-MAINTAINERS: Add lima and ASPEED entries (Joel & Qiang)

Core Changes:
-memory: use dma_alloc_coherent when mem encryption is active (Christian)
-dma_buf: add support for a dma_fence chain (Christian)
-shmem_gem: fix off-by-one bug in new shmem gem helpers (Dan)

Driver Changes:
-rockchip: Add support for rk3066 hdmi (Johan)
-ASPEED: Add driver supporting ASPEED BMC display controller to drm (Joel)
-lima: Add driver supporting Arm Mali4xx gpus to drm (Qiang)
-vc4/v3d: Various cleanups and improved error handling (Eric)
-panel: Add support for Feiyang FY07024DI26A30-D MIPI-DSI panel (Jagan)
-panel: Add support for Rocktech jh057n00900 MIPI-DSI panel (Guido)

Cc: Johan Jonker <jbx6244@gmail.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Chunming Zhou <david1.zhou@amd.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Qiang Yu <yuq825@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Guido Günther <agx@sigxcpu.org>
Cc: Joel Stanley <joel@jms.id.au>
[airlied: fixed XA limit build breakage, Rodrigo also submitted the same patch, but
I squashed it in the merge.]
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190404201016.GA139524@art_vandelay

1 files changed, 35 insertions, 0 deletions

diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
index 0a7f933ab007..5834ef56fbaa 100644
--- a/drivers/gpu/drm/stm/drv.c
+++ b/drivers/gpu/drm/stm/drv.c
@@ -129,6 +129,40 @@ static void drv_unload(struct drm_device *ddev)
 	drm_mode_config_cleanup(ddev);
 }
 
+static __maybe_unused int drv_suspend(struct device *dev)
+{
+	struct drm_device *ddev = dev_get_drvdata(dev);
+	struct ltdc_device *ldev = ddev->dev_private;
+	struct drm_atomic_state *state;
+
+	drm_kms_helper_poll_disable(ddev);
+	state = drm_atomic_helper_suspend(ddev);
+	if (IS_ERR(state)) {
+		drm_kms_helper_poll_enable(ddev);
+		return PTR_ERR(state);
+	}
+	ldev->suspend_state = state;
+	ltdc_suspend(ddev);
+
+	return 0;
+}
+
+static __maybe_unused int drv_resume(struct device *dev)
+{
+	struct drm_device *ddev = dev_get_drvdata(dev);
+	struct ltdc_device *ldev = ddev->dev_private;
+
+	ltdc_resume(ddev);
+	drm_atomic_helper_resume(ddev, ldev->suspend_state);
+	drm_kms_helper_poll_enable(ddev);
+
+	return 0;
+}
+
+static const struct dev_pm_ops drv_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(drv_suspend, drv_resume)
+};
+
 static int stm_drm_platform_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -186,6 +220,7 @@ static struct platform_driver stm_drm_platform_driver = {
 	.driver = {
 		.name = "stm32-display",
 		.of_match_table = drv_dt_ids,
+		.pm = &drv_pm_ops,
 	},
 };