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, 20 insertions, 18 deletions

diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
index eaa8e9682373..8d0c0daaac81 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.c
+++ b/drivers/gpu/drm/v3d/v3d_drv.c
@@ -25,6 +25,7 @@
 #include <drm/drm_drv.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_fb_helper.h>
+#include <drm/drm_managed.h>
 #include <uapi/drm/v3d_drm.h>
 
 #include "v3d_drv.h"
@@ -257,13 +258,23 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
 	v3d->pdev = pdev;
 	drm = &v3d->drm;
 
+	ret = drm_dev_init(&v3d->drm, &v3d_drm_driver, dev);
+	if (ret) {
+		kfree(v3d);
+		return ret;
+	}
+
+	platform_set_drvdata(pdev, drm);
+	drm->dev_private = v3d;
+	drmm_add_final_kfree(drm, v3d);
+
 	ret = map_regs(v3d, &v3d->hub_regs, "hub");
 	if (ret)
-		goto dev_free;
+		goto dev_destroy;
 
 	ret = map_regs(v3d, &v3d->core_regs[0], "core0");
 	if (ret)
-		goto dev_free;
+		goto dev_destroy;
 
 	mmu_debug = V3D_READ(V3D_MMU_DEBUG_INFO);
 	dev->coherent_dma_mask =
@@ -281,21 +292,21 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
 		ret = PTR_ERR(v3d->reset);
 
 		if (ret == -EPROBE_DEFER)
-			goto dev_free;
+			goto dev_destroy;
 
 		v3d->reset = NULL;
 		ret = map_regs(v3d, &v3d->bridge_regs, "bridge");
 		if (ret) {
 			dev_err(dev,
 				"Failed to get reset control or bridge regs\n");
-			goto dev_free;
+			goto dev_destroy;
 		}
 	}
 
 	if (v3d->ver < 41) {
 		ret = map_regs(v3d, &v3d->gca_regs, "gca");
 		if (ret)
-			goto dev_free;
+			goto dev_destroy;
 	}
 
 	v3d->mmu_scratch = dma_alloc_wc(dev, 4096, &v3d->mmu_scratch_paddr,
@@ -303,23 +314,16 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
 	if (!v3d->mmu_scratch) {
 		dev_err(dev, "Failed to allocate MMU scratch page\n");
 		ret = -ENOMEM;
-		goto dev_free;
+		goto dev_destroy;
 	}
 
 	pm_runtime_use_autosuspend(dev);
 	pm_runtime_set_autosuspend_delay(dev, 50);
 	pm_runtime_enable(dev);
 
-	ret = drm_dev_init(&v3d->drm, &v3d_drm_driver, dev);
-	if (ret)
-		goto dma_free;
-
-	platform_set_drvdata(pdev, drm);
-	drm->dev_private = v3d;
-
 	ret = v3d_gem_init(drm);
 	if (ret)
-		goto dev_destroy;
+		goto dma_free;
 
 	ret = v3d_irq_init(v3d);
 	if (ret)
@@ -335,12 +339,10 @@ irq_disable:
 	v3d_irq_disable(v3d);
 gem_destroy:
 	v3d_gem_destroy(drm);
-dev_destroy:
-	drm_dev_put(drm);
 dma_free:
 	dma_free_wc(dev, 4096, v3d->mmu_scratch, v3d->mmu_scratch_paddr);
-dev_free:
-	kfree(v3d);
+dev_destroy:
+	drm_dev_put(drm);
 	return ret;
 }