Merge tag 'drm-misc-next-2019-12-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.6:

UAPI Changes:
- Add support for DMA-BUF HEAPS.

Cross-subsystem Changes:
- mipi dsi definition updates, pulled into drm-intel as well.
- Add lockdep annotations for dma_resv vs mmap_sem and fs_reclaim.
- Remove support for dma-buf kmap/kunmap.
- Constify fb_ops in all fbdev drivers, including drm drivers and drm-core, and media as well.

Core Changes:
- Small cleanups to ttm.
- Fix SCDC definition.
- Assorted cleanups to core.
- Add todo to remove load/unload hooks, and use generic fbdev emulation.
- Assorted documentation updates.
- Use blocking ww lock in ttm fault handler.
- Remove drm_fb_helper_fbdev_setup/teardown.
- Warning fixes with W=1 for atomic.
- Use drm_debug_enabled() instead of drm_debug flag testing in various drivers.
- Fallback to nontiled mode in fbdev emulation when not all tiles are present. (Later on reverted)
- Various kconfig indentation fixes in core and drivers.
- Fix freeing transactions in dp-mst correctly.
- Sean Paul is steping down as core maintainer. :-(
- Add lockdep annotations for atomic locks vs dma-resv.
- Prevent use-after-free for a bad job in drm_scheduler.
- Fill out all block sizes in the P01x and P210 definitions.
- Avoid division by zero in drm/rect, and fix bounds.
- Add drm/rect selftests.
- Add aspect ratio and alternate clocks for HDMI 4k modes.
- Add todo for drm_framebuffer_funcs and fb_create cleanup.
- Drop DRM_AUTH for prime import/export ioctls.
- Clear DP-MST payload id tables downstream when initializating.
- Fix for DSC throughput definition.
- Add extra FEC definitions.
- Fix fake offset in drm_gem_object_funs.mmap.
- Stop using encoder->bridge in core directly
- Handle bridge chaining slightly better.
- Add backlight support to drm/panel, and use it in many panel drivers.
- Increase max number of y420 modes from 128 to 256, as preparation to add the new modes.

Driver Changes:
- Small fixes all over.
- Fix documentation in vkms.
- Fix mmap_sem vs dma_resv in nouveau.
- Small cleanup in komeda.
- Add page flip support in gma500 for psb/cdv.
- Add ddc symlink in the connector sysfs directory for many drivers.
- Add support for analogic an6345, and fix small bugs in it.
- Add atomic modesetting support to ast.
- Fix radeon fault handler VMA race.
- Switch udl to use generic shmem helpers.
- Unconditional vblank handling for mcde.
- Miscellaneous fixes to mcde.
- Tweak debug output from komeda using debugfs.
- Add gamma and color transform support to komeda for DOU-IPS.
- Add support for sony acx424AKP panel.
- Various small cleanups to gma500.
- Use generic fbdev emulation in udl, and replace udl_framebuffer with generic implementation.
- Add support for Logic PD Type 28 panel.
- Use drm_panel_* wrapper functions in exynos/tegra/msm.
- Add devicetree bindings for generic DSI panels.
- Don't include drm_pci.h directly in many drivers.
- Add support for begin/end_cpu_access in udmabuf.
- Stop using drm_get_pci_dev in gma500 and mga200.
- Fixes to UDL damage handling, and use dma_buf_begin/end_cpu_access.
- Add devfreq thermal support to panfrost.
- Fix hotplug with daisy chained monitors by removing VCPI when disabling topology manager.
- meson: Add support for OSD1 plane AFBC commit.
- Stop displaying garbage when toggling ast primary plane on/off.
- More cleanups and fixes to UDL.
- Add D32 suport to komeda.
- Remove globle copy of drm_dev in gma500.
- Add support for Boe Himax8279d MIPI-DSI LCD panel.
- Add support for ingenic JZ4770 panel.
- Small null pointer deference fix in ingenic.
- Remove support for the special tfp420 driver, as there is a generic way to do it.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ba73535a-9334-5302-2e1f-5208bd7390bd@linux.intel.com

2 files changed, 0 insertions, 117 deletions

diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
index d85d1ce273ca..2a52b92586b9 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c
@@ -254,106 +254,6 @@ err_obj:
 	return err;
 }
 
-static int igt_dmabuf_export_kmap(void *arg)
-{
-	struct drm_i915_private *i915 = arg;
-	struct drm_i915_gem_object *obj;
-	struct dma_buf *dmabuf;
-	void *ptr;
-	int err;
-
-	obj = i915_gem_object_create_shmem(i915, 2 * PAGE_SIZE);
-	if (IS_ERR(obj))
-		return PTR_ERR(obj);
-
-	dmabuf = i915_gem_prime_export(&obj->base, 0);
-	i915_gem_object_put(obj);
-	if (IS_ERR(dmabuf)) {
-		err = PTR_ERR(dmabuf);
-		pr_err("i915_gem_prime_export failed with err=%d\n", err);
-		return err;
-	}
-
-	ptr = dma_buf_kmap(dmabuf, 0);
-	if (!ptr) {
-		pr_err("dma_buf_kmap failed\n");
-		err = -ENOMEM;
-		goto err;
-	}
-
-	if (memchr_inv(ptr, 0, PAGE_SIZE)) {
-		dma_buf_kunmap(dmabuf, 0, ptr);
-		pr_err("Exported page[0] not initialiased to zero!\n");
-		err = -EINVAL;
-		goto err;
-	}
-
-	memset(ptr, 0xc5, PAGE_SIZE);
-	dma_buf_kunmap(dmabuf, 0, ptr);
-
-	ptr = i915_gem_object_pin_map(obj, I915_MAP_WB);
-	if (IS_ERR(ptr)) {
-		err = PTR_ERR(ptr);
-		pr_err("i915_gem_object_pin_map failed with err=%d\n", err);
-		goto err;
-	}
-	memset(ptr + PAGE_SIZE, 0xaa, PAGE_SIZE);
-	i915_gem_object_flush_map(obj);
-	i915_gem_object_unpin_map(obj);
-
-	ptr = dma_buf_kmap(dmabuf, 1);
-	if (!ptr) {
-		pr_err("dma_buf_kmap failed\n");
-		err = -ENOMEM;
-		goto err;
-	}
-
-	if (memchr_inv(ptr, 0xaa, PAGE_SIZE)) {
-		dma_buf_kunmap(dmabuf, 1, ptr);
-		pr_err("Exported page[1] not set to 0xaa!\n");
-		err = -EINVAL;
-		goto err;
-	}
-
-	memset(ptr, 0xc5, PAGE_SIZE);
-	dma_buf_kunmap(dmabuf, 1, ptr);
-
-	ptr = dma_buf_kmap(dmabuf, 0);
-	if (!ptr) {
-		pr_err("dma_buf_kmap failed\n");
-		err = -ENOMEM;
-		goto err;
-	}
-	if (memchr_inv(ptr, 0xc5, PAGE_SIZE)) {
-		dma_buf_kunmap(dmabuf, 0, ptr);
-		pr_err("Exported page[0] did not retain 0xc5!\n");
-		err = -EINVAL;
-		goto err;
-	}
-	dma_buf_kunmap(dmabuf, 0, ptr);
-
-	ptr = dma_buf_kmap(dmabuf, 2);
-	if (ptr) {
-		pr_err("Erroneously kmapped beyond the end of the object!\n");
-		dma_buf_kunmap(dmabuf, 2, ptr);
-		err = -EINVAL;
-		goto err;
-	}
-
-	ptr = dma_buf_kmap(dmabuf, -1);
-	if (ptr) {
-		pr_err("Erroneously kmapped before the start of the object!\n");
-		dma_buf_kunmap(dmabuf, -1, ptr);
-		err = -EINVAL;
-		goto err;
-	}
-
-	err = 0;
-err:
-	dma_buf_put(dmabuf);
-	return err;
-}
-
 int i915_gem_dmabuf_mock_selftests(void)
 {
 	static const struct i915_subtest tests[] = {
@@ -362,7 +262,6 @@ int i915_gem_dmabuf_mock_selftests(void)
 		SUBTEST(igt_dmabuf_import),
 		SUBTEST(igt_dmabuf_import_ownership),
 		SUBTEST(igt_dmabuf_export_vmap),
-		SUBTEST(igt_dmabuf_export_kmap),
 	};
 	struct drm_i915_private *i915;
 	int err;
diff --git a/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c
index b9e059d4328a..9272bef57092 100644
--- a/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c
@@ -76,20 +76,6 @@ static void mock_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr)
 	vm_unmap_ram(vaddr, mock->npages);
 }
 
-static void *mock_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num)
-{
-	struct mock_dmabuf *mock = to_mock(dma_buf);
-
-	return kmap(mock->pages[page_num]);
-}
-
-static void mock_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_num, void *addr)
-{
-	struct mock_dmabuf *mock = to_mock(dma_buf);
-
-	return kunmap(mock->pages[page_num]);
-}
-
 static int mock_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma)
 {
 	return -ENODEV;
@@ -99,8 +85,6 @@ static const struct dma_buf_ops mock_dmabuf_ops =  {
 	.map_dma_buf = mock_map_dma_buf,
 	.unmap_dma_buf = mock_unmap_dma_buf,
 	.release = mock_dmabuf_release,
-	.map = mock_dmabuf_kmap,
-	.unmap = mock_dmabuf_kunmap,
 	.mmap = mock_dmabuf_mmap,
 	.vmap = mock_dmabuf_vmap,
 	.vunmap = mock_dmabuf_vunmap,