Merge tag 'drm-misc-next-2020-04-14' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.8:

UAPI Changes:

  - drm: error out with EBUSY when device has existing master
  - drm: rework SET_MASTER and DROP_MASTER perm handling

Cross-subsystem Changes:

  - mm: export two symbols from slub/slob
  - fbdev: savage: fix -Wextra build warning
  - video: omap2: Use scnprintf() for avoiding potential buffer overflow

Core Changes:

  - Remove drm_pci.h
  - drm_pci_{alloc/free)() are now legacy
  - Introduce managed DRM resourcesA
  - Allow drivers to subclass struct drm_framebuffer
  - Introduce struct drm_afbc_framebuffer and helpers
  - fbdev: remove return value from generic fbdev setup
  - Introduce simple-encoder helper
  - vram-helpers: set fence on plane
  - dp_mst: ACT timeout improvements
  - dp_mst: Remove drm_dp_mst_has_audio()
  - TTM: ttm_trace_dma_{map/unmap}() cleanups
  - dma-buf: add flag for PCIP2P support
  - EDID: Various improvements
  - Encoder: cleanup semantics of possible_clones and possible_crtcs
  - VBLANK documentation updates
  - Writeback documentation updates

Driver Changes:

  - Convert several drivers to i2c_new_client_device()
  - Drop explicit drm_mode_config_cleanup() calls from drivers
  - Auto-release device structures with drmm_add_final_kfree()
  - Init bfdev console after registering DRM device
  - Make various .debugfs functions return 0 unconditionally; ignore errors
  - video: Use scnprintf() to avoid buffer overflows
  - Convert drivers to simple encoders

  - drm/amdgpu: note that we can handle peer2peer DMA-buf
  - drm/amdgpu: add support for exporting VRAM using DMA-buf v3
  - drm/kirin: Revert change to register connectors
  - drm/lima: Add optional devfreq and cooling device support
  - drm/lima: Various improvements wrt. task handling
  - drm/panel: nt39016: Support multiple modes and 50Hz
  - drm/panel: Support Leadtek LTK050H3146W
  - drm/rockchip: Add support for afbc
  - drm/virtio: Various cleanups
  - drm/hisilicon/hibmc: Enforce 128-byte stride alignment
  - drm/qxl: Fix notify port address of cursor ring buffer
  - drm/sun4i: Improvements to format handling
  - drm/bridge: dw-hdmi: Various improvements

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200414090738.GA16827@linux-uq9g

1 files changed, 4 insertions, 17 deletions

diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index 88b9d64c77bf..38beab9ab4f8 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -22,6 +22,7 @@
 #include <drm/drm_file.h>
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_panel.h>
+#include <drm/drm_simple_kms_helper.h>
 
 #include "dc.h"
 #include "drm.h"
@@ -234,7 +235,6 @@ static int tegra_dsi_late_register(struct drm_connector *connector)
 	struct drm_minor *minor = connector->dev->primary;
 	struct dentry *root = connector->debugfs_entry;
 	struct tegra_dsi *dsi = to_dsi(output);
-	int err;
 
 	dsi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files),
 				     GFP_KERNEL);
@@ -244,17 +244,9 @@ static int tegra_dsi_late_register(struct drm_connector *connector)
 	for (i = 0; i < count; i++)
 		dsi->debugfs_files[i].data = dsi;
 
-	err = drm_debugfs_create_files(dsi->debugfs_files, count, root, minor);
-	if (err < 0)
-		goto free;
+	drm_debugfs_create_files(dsi->debugfs_files, count, root, minor);
 
 	return 0;
-
-free:
-	kfree(dsi->debugfs_files);
-	dsi->debugfs_files = NULL;
-
-	return err;
 }
 
 static void tegra_dsi_early_unregister(struct drm_connector *connector)
@@ -824,10 +816,6 @@ static const struct drm_connector_helper_funcs tegra_dsi_connector_helper_funcs
 	.mode_valid = tegra_dsi_connector_mode_valid,
 };
 
-static const struct drm_encoder_funcs tegra_dsi_encoder_funcs = {
-	.destroy = tegra_output_encoder_destroy,
-};
-
 static void tegra_dsi_unprepare(struct tegra_dsi *dsi)
 {
 	int err;
@@ -1058,9 +1046,8 @@ static int tegra_dsi_init(struct host1x_client *client)
 					 &tegra_dsi_connector_helper_funcs);
 		dsi->output.connector.dpms = DRM_MODE_DPMS_OFF;
 
-		drm_encoder_init(drm, &dsi->output.encoder,
-				 &tegra_dsi_encoder_funcs,
-				 DRM_MODE_ENCODER_DSI, NULL);
+		drm_simple_encoder_init(drm, &dsi->output.encoder,
+					DRM_MODE_ENCODER_DSI);
 		drm_encoder_helper_add(&dsi->output.encoder,
 				       &tegra_dsi_encoder_helper_funcs);