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Author SHA1 Message Date
Linus Torvalds
815d469d8c One more patch to remove io.h from clk-provider.h. We used to need this 
include when we had clk_readl() and clk_writel(), but those are gone now
 so this patch pushes the dependency out to the users of clk-provider.h.
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull more clk framework updates from Stephen Boyd:
 "One more patch to remove io.h from clk-provider.h.

  We used to need this include when we had clk_readl() and clk_writel(),
  but those are gone now so this patch pushes the dependency out to the
  users of clk-provider.h"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: Remove io.h from clk-provider.h
 2019-05-16 19:05:35 -07:00
Stephen Boyd
62e59c4e69 clk: Remove io.h from clk-provider.h 
Now that we've gotten rid of clk_readl() we can remove io.h from the
clk-provider header and push out the io.h include to any code that isn't
already including the io.h header but using things like readl/writel,
etc.

Found with this grep:

  git grep -l clk-provider.h | grep '.c$' | xargs git grep -L 'linux/io.h' | \
  	xargs git grep -l \
	-e '\<__iowrite32_copy\>' --or \
	-e '\<__ioread32_copy\>' --or \
	-e '\<__iowrite64_copy\>' --or \
	-e '\<ioremap_page_range\>' --or \
	-e '\<ioremap_huge_init\>' --or \
	-e '\<arch_ioremap_pud_supported\>' --or \
	-e '\<arch_ioremap_pmd_supported\>' --or \
	-e '\<devm_ioport_map\>' --or \
	-e '\<devm_ioport_unmap\>' --or \
	-e '\<IOMEM_ERR_PTR\>' --or \
	-e '\<devm_ioremap\>' --or \
	-e '\<devm_ioremap_nocache\>' --or \
	-e '\<devm_ioremap_wc\>' --or \
	-e '\<devm_iounmap\>' --or \
	-e '\<devm_ioremap_release\>' --or \
	-e '\<devm_memremap\>' --or \
	-e '\<devm_memunmap\>' --or \
	-e '\<__devm_memremap_pages\>' --or \
	-e '\<pci_remap_cfgspace\>' --or \
	-e '\<arch_has_dev_port\>' --or \
	-e '\<arch_phys_wc_add\>' --or \
	-e '\<arch_phys_wc_del\>' --or \
	-e '\<memremap\>' --or \
	-e '\<memunmap\>' --or \
	-e '\<arch_io_reserve_memtype_wc\>' --or \
	-e '\<arch_io_free_memtype_wc\>' --or \
	-e '\<__io_aw\>' --or \
	-e '\<__io_pbw\>' --or \
	-e '\<__io_paw\>' --or \
	-e '\<__io_pbr\>' --or \
	-e '\<__io_par\>' --or \
	-e '\<__raw_readb\>' --or \
	-e '\<__raw_readw\>' --or \
	-e '\<__raw_readl\>' --or \
	-e '\<__raw_readq\>' --or \
	-e '\<__raw_writeb\>' --or \
	-e '\<__raw_writew\>' --or \
	-e '\<__raw_writel\>' --or \
	-e '\<__raw_writeq\>' --or \
	-e '\<readb\>' --or \
	-e '\<readw\>' --or \
	-e '\<readl\>' --or \
	-e '\<readq\>' --or \
	-e '\<writeb\>' --or \
	-e '\<writew\>' --or \
	-e '\<writel\>' --or \
	-e '\<writeq\>' --or \
	-e '\<readb_relaxed\>' --or \
	-e '\<readw_relaxed\>' --or \
	-e '\<readl_relaxed\>' --or \
	-e '\<readq_relaxed\>' --or \
	-e '\<writeb_relaxed\>' --or \
	-e '\<writew_relaxed\>' --or \
	-e '\<writel_relaxed\>' --or \
	-e '\<writeq_relaxed\>' --or \
	-e '\<readsb\>' --or \
	-e '\<readsw\>' --or \
	-e '\<readsl\>' --or \
	-e '\<readsq\>' --or \
	-e '\<writesb\>' --or \
	-e '\<writesw\>' --or \
	-e '\<writesl\>' --or \
	-e '\<writesq\>' --or \
	-e '\<inb\>' --or \
	-e '\<inw\>' --or \
	-e '\<inl\>' --or \
	-e '\<outb\>' --or \
	-e '\<outw\>' --or \
	-e '\<outl\>' --or \
	-e '\<inb_p\>' --or \
	-e '\<inw_p\>' --or \
	-e '\<inl_p\>' --or \
	-e '\<outb_p\>' --or \
	-e '\<outw_p\>' --or \
	-e '\<outl_p\>' --or \
	-e '\<insb\>' --or \
	-e '\<insw\>' --or \
	-e '\<insl\>' --or \
	-e '\<outsb\>' --or \
	-e '\<outsw\>' --or \
	-e '\<outsl\>' --or \
	-e '\<insb_p\>' --or \
	-e '\<insw_p\>' --or \
	-e '\<insl_p\>' --or \
	-e '\<outsb_p\>' --or \
	-e '\<outsw_p\>' --or \
	-e '\<outsl_p\>' --or \
	-e '\<ioread8\>' --or \
	-e '\<ioread16\>' --or \
	-e '\<ioread32\>' --or \
	-e '\<ioread64\>' --or \
	-e '\<iowrite8\>' --or \
	-e '\<iowrite16\>' --or \
	-e '\<iowrite32\>' --or \
	-e '\<iowrite64\>' --or \
	-e '\<ioread16be\>' --or \
	-e '\<ioread32be\>' --or \
	-e '\<ioread64be\>' --or \
	-e '\<iowrite16be\>' --or \
	-e '\<iowrite32be\>' --or \
	-e '\<iowrite64be\>' --or \
	-e '\<ioread8_rep\>' --or \
	-e '\<ioread16_rep\>' --or \
	-e '\<ioread32_rep\>' --or \
	-e '\<ioread64_rep\>' --or \
	-e '\<iowrite8_rep\>' --or \
	-e '\<iowrite16_rep\>' --or \
	-e '\<iowrite32_rep\>' --or \
	-e '\<iowrite64_rep\>' --or \
	-e '\<__io_virt\>' --or \
	-e '\<pci_iounmap\>' --or \
	-e '\<virt_to_phys\>' --or \
	-e '\<phys_to_virt\>' --or \
	-e '\<ioremap_uc\>' --or \
	-e '\<ioremap\>' --or \
	-e '\<__ioremap\>' --or \
	-e '\<iounmap\>' --or \
	-e '\<ioremap\>' --or \
	-e '\<ioremap_nocache\>' --or \
	-e '\<ioremap_uc\>' --or \
	-e '\<ioremap_wc\>' --or \
	-e '\<ioremap_wc\>' --or \
	-e '\<ioremap_wt\>' --or \
	-e '\<ioport_map\>' --or \
	-e '\<ioport_unmap\>' --or \
	-e '\<ioport_map\>' --or \
	-e '\<ioport_unmap\>' --or \
	-e '\<xlate_dev_kmem_ptr\>' --or \
	-e '\<xlate_dev_mem_ptr\>' --or \
	-e '\<unxlate_dev_mem_ptr\>' --or \
	-e '\<virt_to_bus\>' --or \
	-e '\<bus_to_virt\>' --or \
	-e '\<memset_io\>' --or \
	-e '\<memcpy_fromio\>' --or \
	-e '\<memcpy_toio\>'

I also reordered a couple includes when they weren't alphabetical and
removed clk.h from kona, replacing it with clk-provider.h because
that driver doesn't use clk consumer APIs.

Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Cc: Chris Zankel <chris@zankel.net>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: John Crispin <john@phrozen.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2019-05-15 13:21:37 -07:00
Linus Torvalds
a2d635decb drm pull request for 5.2 
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Merge tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "This has two exciting community drivers for ARM Mali accelerators.
  Since ARM has never been open source friendly on the GPU side of the
  house, the community has had to create open source drivers for the
  Mali GPUs. Lima covers the older t4xx and panfrost the newer 6xx/7xx
  series. Well done to all involved and hopefully this will help ARM
  head in the right direction.

  There is also now the ability if you don't have any of the legacy
  drivers enabled (pre-KMS) to remove all the pre-KMS support code from
  the core drm, this saves 10% or so in codesize on my machine.

  i915 also enable Icelake/Elkhart Lake Gen11 GPUs by default, vboxvideo
  moves out of staging.

  There are also some rcar-du patches which crossover with media tree
  but all should be acked by Mauro.

  Summary:

  uapi changes:
   - Colorspace connector property
   - fourcc - new YUV formts
   - timeline sync objects initially merged
   - expose FB_DAMAGE_CLIPS to atomic userspace

  new drivers:
   - vboxvideo: moved out of staging
   - aspeed: ASPEED SoC BMC chip display support
   - lima: ARM Mali4xx GPU acceleration driver support
   - panfrost: ARM Mali6xx/7xx Midgard/Bitfrost acceleration driver support

  core:
   - component helper docs
   - unplugging fixes
   - devm device init
   - MIPI/DSI rate control
   - shmem backed gem objects
   - connector, display_info, edid_quirks cleanups
   - dma_buf fence chain support
   - 64-bit dma-fence seqno comparison fixes
   - move initial fb config code to core
   - gem fence array helpers for Lima
   - ability to remove legacy support code if no drivers requires it (removes 10% of drm.ko size)
   - lease fixes

  ttm:
   - unified DRM_FILE_PAGE_OFFSET handling
   - Account for kernel allocations in kernel zone only

  panel:
   - OSD070T1718-19TS panel support
   - panel-tpo-td028ttec1 backlight support
   - Ronbo RB070D30 MIPI/DSI
   - Feiyang FY07024DI26A30-D MIPI-DSI panel
   - Rocktech jh057n00900 MIPI-DSI panel

  i915:
   - Comet Lake (Gen9) PCI IDs
   - Updated Icelake PCI IDs
   - Elkhartlake (Gen11) support
   - DP MST property addtions
   - plane and watermark fixes
   - Icelake port sync and VEBOX disable fixes
   - struct_mutex usage reduction
   - Icelake gamma fix
   - GuC reset fixes
   - make mmap more asynchronous
   - sound display power well race fixes
   - DDI/MIPI-DSI clocks for Icelake
   - Icelake RPS frequency changing support
   - Icelake workarounds

  amdgpu:
   - Use HMM for userptr
   - vega20 experimental smu11 support
   - RAS support for vega20
   - BACO support for vega12 + fixes for vega20
   - reworked IH interrupt handling
   - amdkfd RAS support
   - Freesync improvements
   - initial timeline sync object support
   - DC Z ordering fixes
   - NV12 planes support
   - colorspace properties for planes=
   - eDP opts if eDP already initialized

  nouveau:
   - misc fixes

  etnaviv:
   - misc fixes

  msm:
   - GPU zap shader support expansion
   - robustness ABI addition

  exynos:
   - Logging cleanups

  tegra:
   - Shared reset fix
   - CPU cache maintenance fix

  cirrus:
   - driver rewritten using simple helpers

  meson:
   - G12A support

  vmwgfx:
   - Resource dirtying management improvements
   - Userspace logging improvements

  virtio:
   - PRIME fixes

  rockchip:
   - rk3066 hdmi support

  sun4i:
   - DSI burst mode support

  vc4:
   - load tracker to detect underflow

  v3d:
   - v3d v4.2 support

  malidp:
   - initial Mali D71 support in komeda driver

  tfp410:
   - omap related improvement

  omapdrm:
   - drm bridge/panel support
   - drop some omap specific panels

  rcar-du:
   - Display writeback support"

* tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm: (1507 commits)
  drm/msm/a6xx: No zap shader is not an error
  drm/cma-helper: Fix drm_gem_cma_free_object()
  drm: Fix timestamp docs for variable refresh properties.
  drm/komeda: Mark the local functions as static
  drm/komeda: Fixed warning: Function parameter or member not described
  drm/komeda: Expose bus_width to Komeda-CORE
  drm/komeda: Add sysfs attribute: core_id and config_id
  drm: add non-desktop quirk for Valve HMDs
  drm/panfrost: Show stored feature registers
  drm/panfrost: Don't scream about deferred probe
  drm/panfrost: Disable PM on probe failure
  drm/panfrost: Set DMA masks earlier
  drm/panfrost: Add sanity checks to submit IOCTL
  drm/etnaviv: initialize idle mask before querying the HW db
  drm: introduce a capability flag for syncobj timeline support
  drm: report consistent errors when checking syncobj capibility
  drm/nouveau/nouveau: forward error generated while resuming objects tree
  drm/nouveau/fb/ramgk104: fix spelling mistake "sucessfully" -> "successfully"
  drm/nouveau/i2c: Disable i2c bus access after ->fini()
  drm/nouveau: Remove duplicate ACPI_VIDEO_NOTIFY_PROBE definition
  ...
 2019-05-08 21:35:19 -07:00
Paul Kocialkowski
e02bc29b2c drm/sun4i: Unbind components before releasing DRM and memory 
Our components may still be using the DRM device driver (if only to
access our driver's private data), so make sure to unbind them before
the final drm_dev_put.

Also release our reserved memory after component unbind instead of
before to match reverse creation order.

Fixes: f5a9ed867c ("drm/sun4i: Fix component unbinding and component master deletion")
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190424090413.6918-1-paul.kocialkowski@bootlin.com
 2019-04-24 15:09:08 +02:00
Dave Airlie
8d8f6f7044 drm-misc-next for v5.2: 
UAPI Changes:
 - Document which feature flags belong to which command in virtio_gpu.h
 - Make the FB_DAMAGE_CLIPS available for atomic userspace only, it's useless for legacy.
 
 Cross-subsystem Changes:
 - Add device tree bindings for lg,acx467akm-7 panel and ST-Ericsson Multi Channel Display Engine MCDE
 - Add parameters to the device tree bindings for tfp410
 - iommu/io-pgtable: Add ARM Mali midgard MMU page table format
 - dma-buf: Only do a 64-bits seqno compare when driver explicitly asks for it, else wraparound.
 - Use the 64-bits compare for dma-fence-chains
 
 Core Changes:
 - Make the fb conversion functions use __iomem dst.
 - Rename drm_client_add to drm_client_register
 - Move intel_fb_initial_config to core.
 - Add a drm_gem_objects_lookup helper
 - Add drm_gem_fence_array helpers, and use it in lima.
 - Add drm_format_helper.c to kerneldoc.
 
 Driver Changes:
 - Add panfrost driver for mali midgard/bitfrost.
 - Converts bochs to use the simple display type.
 - Small fixes to sun4i, tinydrm, ti-fp410.
 - Fid aspeed's Kconfig options.
 - Make some symbols/functions static in lima, sun4i and meson.
 - Add a driver for the lg,acx467akm-7 panel.
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Merge tag 'drm-misc-next-2019-04-18' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.2:

UAPI Changes:
- Document which feature flags belong to which command in virtio_gpu.h
- Make the FB_DAMAGE_CLIPS available for atomic userspace only, it's useless for legacy.

Cross-subsystem Changes:
- Add device tree bindings for lg,acx467akm-7 panel and ST-Ericsson Multi Channel Display Engine MCDE
- Add parameters to the device tree bindings for tfp410
- iommu/io-pgtable: Add ARM Mali midgard MMU page table format
- dma-buf: Only do a 64-bits seqno compare when driver explicitly asks for it, else wraparound.
- Use the 64-bits compare for dma-fence-chains

Core Changes:
- Make the fb conversion functions use __iomem dst.
- Rename drm_client_add to drm_client_register
- Move intel_fb_initial_config to core.
- Add a drm_gem_objects_lookup helper
- Add drm_gem_fence_array helpers, and use it in lima.
- Add drm_format_helper.c to kerneldoc.

Driver Changes:
- Add panfrost driver for mali midgard/bitfrost.
- Converts bochs to use the simple display type.
- Small fixes to sun4i, tinydrm, ti-fp410.
- Fid aspeed's Kconfig options.
- Make some symbols/functions static in lima, sun4i and meson.
- Add a driver for the lg,acx467akm-7 panel.

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

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/737ad994-213d-45b5-207a-b99d795acd21@linux.intel.com
 2019-04-24 10:12:50 +10:00
Paul Kocialkowski
f5a9ed867c
drm/sun4i: Fix component unbinding and component master deletion 
For our component-backed driver to be properly removed, we need to
delete the component master in sun4i_drv_remove and make sure to call
component_unbind_all in the master's unbind so that all components are
unbound when the master is.

Fixes: 9026e0d122 ("drm: Add Allwinner A10 Display Engine support")
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190418132727.5128-4-paul.kocialkowski@bootlin.com
 2019-04-18 16:26:53 +02:00
Paul Kocialkowski
02b92adbe3
drm/sun4i: Set device driver data at bind time for use in unbind 
Our sun4i_drv_unbind gets the drm device using dev_get_drvdata.
However, that driver data is never set in sun4i_drv_bind.

Set it there to avoid getting a NULL pointer at unbind time.

Fixes: 9026e0d122 ("drm: Add Allwinner A10 Display Engine support")
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190418132727.5128-3-paul.kocialkowski@bootlin.com
 2019-04-18 16:26:36 +02:00
Paul Kocialkowski
71adf60f0a
drm/sun4i: Add missing drm_atomic_helper_shutdown at driver unbind 
A call to drm_atomic_helper_shutdown is required to properly release
the internal references taken by the core and avoid warnings about
leaking objects. Add it since it was missing.

Fixes: 9026e0d122 ("drm: Add Allwinner A10 Display Engine support")
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190418132727.5128-2-paul.kocialkowski@bootlin.com
 2019-04-18 16:26:22 +02:00
YueHaibing
1f2f059957
drm/sun4i: Make some symbols static 
Fix sparse warnings:

drivers/gpu/drm/sun4i/sun8i_tcon_top.c:271:36: warning: symbol 'sun8i_r40_tcon_top_quirks' was not declared. Should it be static?
drivers/gpu/drm/sun4i/sun8i_tcon_top.c:276:36: warning: symbol 'sun50i_h6_tcon_top_quirks' was not declared. Should it be static?
drivers/gpu/drm/sun4i/sun4i_tcon.c:239:6: warning: symbol 'sun4i_tcon_set_mux' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190416145855.20852-1-yuehaibing@huawei.com
 2019-04-17 18:55:08 +02:00
Dave Airlie
f06ddb5309 Linux 5.1-rc5 
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BackMerge v5.1-rc5 into drm-next

Need rc5 for udl fix to add udl cleanups on top.

Signed-off-by: Dave Airlie <airlied@redhat.com>
 2019-04-15 15:51:49 +10:00
Maxime Ripard
564d6fd611
drm/sun4i: Rely on dma interconnect for our RAM offset 
Now that we can express our DMA topology, rely on those property instead of
hardcoding an offset from the dma_addr_t which wasn't really great.

We still need to add some code to deal with the old DT that would lack that
property, but we move the offset to the DRM device dma_pfn_offset to be
able to rely on just the dma_addr_t associated to the GEM object.

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/5df781318e7e05f780a11ed243dcf2b9fe8a08cb.1554108995.git-series.maxime.ripard@bootlin.com
 2019-04-11 09:22:47 +02:00
Ondrej Jirman
1a07a94b47
drm/sun4i: tcon top: Fix NULL/invalid pointer dereference in sun8i_tcon_top_un/bind 
There are two problems here:

1. Not all clk_data->hws[] need to be initialized, depending on various
   configured quirks. This leads to NULL ptr deref in
   clk_hw_unregister_gate() in sun8i_tcon_top_unbind()
2. If there is error when registering the clk_data->hws[],
   err_unregister_gates error path will try to unregister
   IS_ERR()=true (invalid) pointer.

For problem (1) I have this stack trace:

Unable to handle kernel NULL pointer dereference at virtual
  address 0000000000000008
Call trace:
 clk_hw_unregister+0x8/0x18
 clk_hw_unregister_gate+0x14/0x28
 sun8i_tcon_top_unbind+0x2c/0x60
 component_unbind.isra.4+0x2c/0x50
 component_bind_all+0x1d4/0x230
 sun4i_drv_bind+0xc4/0x1a0
 try_to_bring_up_master+0x164/0x1c0
 __component_add+0xa0/0x168
 component_add+0x10/0x18
 sun8i_dw_hdmi_probe+0x18/0x20
 platform_drv_probe+0x3c/0x70
 really_probe+0xcc/0x278
 driver_probe_device+0x34/0xa8

Problem (2) was identified by head scratching.

Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190405233048.3823-1-megous@megous.com
 2019-04-08 10:30:23 +02:00
Jernej Skrabec
cd9063757a
drm/sun4i: DW HDMI: Lower max. supported rate for H6 
Currently resolutions with pixel clock higher than 340 MHz don't work
with H6 HDMI controller. They just produce a blank screen.

Limit maximum pixel clock rate to 340 MHz until scrambling is supported.

Cc: stable@vger.kernel.org # 5.0
Fixes: 40bb9d3147 ("drm/sun4i: Add support for H6 DW HDMI controller")
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190324190609.32721-1-jernej.skrabec@siol.net
 2019-04-05 10:44:10 +02:00
Dave Airlie
14d2bd53a4 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>
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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
 2019-04-05 11:38:02 +10:00
Mans Rullgard
088aed8bca
drm/sun4i: hdmi: add support for ddc-i2c-bus property 
Sometimes it is desirabled to use a separate i2c controller for ddc
access.  This adds support for the ddc-i2c-bus property of the
hdmi-connector node, using the specified controller if provided.

Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190328130249.19356-1-mans@mansr.com
 2019-04-01 11:06:41 +02:00
Daniel Vetter
0bec6219e5 drm-misc-next for 5.2: 
UAPI Changes:
 - Add Colorspace connector property (Uma)
 - fourcc: Several new YUV formats from ARM (Brian & Ayan)
 - fourcc: Fix merge conflicts between new formats above and Swati's that
   went in via topic/hdr-formats-2019-03-07 branch (Maarten)
 
 Cross-subsystem Changes:
 - Typed component support via topic/component-typed-2019-02-11 (Maxime/Daniel)
 
 Core Changes:
 - Improve component helper documentation (Daniel)
 - Avoid calling drm_dev_unregister() twice on unplugged devices (Noralf)
 - Add device managed (devm) drm_device init function (Noralf)
 - Graduate TINYDRM_MODE to DRM_SIMPLE_MODE in core (Noralf)
 - Move MIPI/DSI rate control params computation into core from i915 (David)
 - Add support for shmem backed gem objects (Noralf)
 
 Driver Changes:
 - various: Use of_node_name_eq for node name comparisons (Rob Herring)
 - sun4i: Add DSI burst mode support (Konstantin)
 - panel: Add Ronbo RB070D30 MIPI/DSI panel support (Konstantin)
 - virtio: A few prime improvements (Gerd)
 - tinydrm: Remove tinydrm_device (Noralf)
 - vc4: Add load tracker to driver to detect underflow in atomic check (Boris)
 - vboxvideo: Move it out of staging \o/ (Hans)
 - v3d: Add support for V3D v4.2 (Eric)
 
 Cc: Konstantin Sudakov <k.sudakov@integrasources.com>
 Cc: Rob Herring <robh@kernel.org>
 Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
 Cc: Maxime Ripard <maxime.ripard@bootlin.com>
 Cc: Uma Shankar <uma.shankar@intel.com>
 Cc: Noralf Trønnes <noralf@tronnes.org>
 Cc: Gerd Hoffmann <kraxel@redhat.com>
 Cc: David Francis <David.Francis@amd.com>
 Cc: Boris Brezillon <boris.brezillon@bootlin.com>
 Cc: Eric Anholt <eric@anholt.net>
 Cc: Hans de Goede <hdegoede@redhat.com>
 Cc: Brian Starkey <brian.starkey@arm.com>
 Cc: Ayan Kumar Halder <ayan.halder@arm.com>
 Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Merge tag 'drm-misc-next-2019-03-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.2:

UAPI Changes:
- Add Colorspace connector property (Uma)
- fourcc: Several new YUV formats from ARM (Brian & Ayan)
- fourcc: Fix merge conflicts between new formats above and Swati's that
  went in via topic/hdr-formats-2019-03-07 branch (Maarten)

Cross-subsystem Changes:
- Typed component support via topic/component-typed-2019-02-11 (Maxime/Daniel)

Core Changes:
- Improve component helper documentation (Daniel)
- Avoid calling drm_dev_unregister() twice on unplugged devices (Noralf)
- Add device managed (devm) drm_device init function (Noralf)
- Graduate TINYDRM_MODE to DRM_SIMPLE_MODE in core (Noralf)
- Move MIPI/DSI rate control params computation into core from i915 (David)
- Add support for shmem backed gem objects (Noralf)

Driver Changes:
- various: Use of_node_name_eq for node name comparisons (Rob Herring)
- sun4i: Add DSI burst mode support (Konstantin)
- panel: Add Ronbo RB070D30 MIPI/DSI panel support (Konstantin)
- virtio: A few prime improvements (Gerd)
- tinydrm: Remove tinydrm_device (Noralf)
- vc4: Add load tracker to driver to detect underflow in atomic check (Boris)
- vboxvideo: Move it out of staging \o/ (Hans)
- v3d: Add support for V3D v4.2 (Eric)

Cc: Konstantin Sudakov <k.sudakov@integrasources.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: David Francis <David.Francis@amd.com>
Cc: Boris Brezillon <boris.brezillon@bootlin.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Brian Starkey <brian.starkey@arm.com>
Cc: Ayan Kumar Halder <ayan.halder@arm.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190321170805.GA50145@art_vandelay
 2019-03-25 11:05:12 +01:00
Laurent Pinchart
88bc417856 drm: Use new DRM_BUS_FLAG_*_(DRIVE|SAMPLE)_(POS|NEG)EDGE flags 
The DRM_BUS_FLAG_PIXDATA_(POS|NEG)EDGE and
DRM_BUS_FLAG_SYNC_(POS|NEG)EDGE flags are deprecated in favour of the
new DRM_BUS_FLAG_PIXDATA_(DRIVE|SAMPLE)_(POS|NEG)EDGE and
new DRM_BUS_FLAG_SYNC_(DRIVE|SAMPLE)_(POS|NEG)EDGE flags. Replace them
through the code.

This effectively changes the value of the .sampling_edge bridge timings
field in the dumb-vga-dac driver. This is safe to do as no driver
consumes these values yet.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
 2019-03-18 11:42:13 +02:00
Maxime Ripard
527261ddf1
drm/sun4i: mixer: Simplify the get_id logic 
Using the new helpers introduced since we wrote that code, we can simplify
the code to retrieve the mixer ID significantly.

The new code will also allow us to deal nicely with endpoints that don't
have a reg property, as expected in the case where there's a single
endpoint for a given port.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Link: https://patchwork.freedesktop.org/patch/msgid/3da40505e18a981c5ad626127e14ff594a826ef5.1552594551.git-series.maxime.ripard@bootlin.com
 2019-03-15 09:37:02 +01:00
Maxime Ripard
eb40baefb6
drm/sun4i: backend: Simplify the get_id logic 
Using the new helpers introduced since we wrote that code, we can simplify
the code to retrieve the backend ID significantly.

The new code will also allow us to deal nicely with endpoints that don't
have a reg property, as expected in the case where there's a single
endpoint for a given port.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1a9bf911b0a40475da8025859032514131d5397b.1552594551.git-series.maxime.ripard@bootlin.com
 2019-03-15 09:36:45 +01:00
Maxime Ripard
e2771deb5d
drm/sun4i: rgb: Change the pixel clock validation check 
The current code, since commit bb43d40d7c ("drm/sun4i: rgb: Validate the
clock rate"), perform some validation on the pixel clock to filter out the
EDID modes provided by monitors (through bridges) that we wouldn't be able
to reach. For the usual modes, we're able to generate a perfect clock rate,
so a strict check was enough.

However, this had the side effect of preventing displays that would work
otherwise to operate properly, since we would pretty much never be able to
generate an exact rate for those displays, even though we would fall within
that panel tolerance.

This was also shown to happen for unusual modes exposed through EDIDs, for
example on eDP panels.

We can work around this by simplifying a bit the problem: no panels we've
encountered so far actually needed that check. All of them are tied to a
particular board when it is produced, and made to work with the Allwinner
BSP. That pretty much guarantees that we never have a pixel clock out of
reach.

On the other hand, the EDIDs modes that needed to be validated have always
been exposed through bridges.

Let's just use that metric to instead of validating all modes, only
validate modes when we have a bridge attached. It should be good enough for
now, while we still have room for improvements or refinements using the
display_timings structure for example for panels.

We also add a tolerance for EDID-based modes instead of doing a strict
check. This tolerance is of 0.5% which is the one advertised in the VESA
DVT and CVT specs. If that needed to be extended in the future, we can add
a custom module parameter to relax it a bit.

Fixes: bb43d40d7c ("drm/sun4i: rgb: Validate the clock rate")
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com> # tested on pinebook
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ec2dc2a7b3d4bd44f7a2a6e1c1813f92449a7310.1551191081.git-series.maxime.ripard@bootlin.com
 2019-03-07 14:46:46 +01:00
Maxime Ripard
9f7dfd0cb5
drm/sun4i: Move rate variables to long long 
Our clock rate variables are getting pretty close to the LONG_MAX / ULONG_MAX
limit, especially since we will start doing arithmetic on it. Move those
types to unsigned long long to be sure we don't overflow their type.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com> # tested on pinebook
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/022c3b850413edd6afbca20062f100971de2f5af.1551191081.git-series.maxime.ripard@bootlin.com
 2019-03-07 14:46:44 +01:00
Maxime Ripard
19d0ffe0ed
drm/sun4i: rgb: Store the bridge pointer 
We'll need the bridge pointer, if any, in the mode_valid callback in
addition to the init function. Store the pointer to the bridge in the
rgb private structure.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com> # tested on pinebook
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2f16d70fb09613b3a030fd6a016343047d519d43.1551191081.git-series.maxime.ripard@bootlin.com
 2019-03-07 14:46:39 +01:00
Maxime Ripard
1ce6f91c5f
drm/sun4i: Move the panel pointer from the TCON to the encoders 
The TCON driver used to need the panel pointer in order to configure the
tcon according to the various parameters of the panel. However, this has
evolved over time (especially to support bridges), and therefore the panel
pointer isn't needed anymore by the TCON driver.

Move that pointer to the LVDS and RGB encoders drivers.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Vasily Khoruzhick <anarsoul@gmail.com> # tested on pinebook
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/13288b6b8f27b614a6c9aef348923c34b2803ad4.1551191081.git-series.maxime.ripard@bootlin.com
 2019-03-07 14:46:08 +01:00
Jernej Skrabec
a7db690c06
drm/sun4i: Improve VI scaling for DE2/DE3 
VI planes support coarse scaling which helps to overcome VI scaler
limitations. While exact working of coarse scaling isn't known, it seems
that it just skips programmed amount of rows and columns. This is
especially useful for downscaling very big planes (4K down to 1080p).

Horizontal coarse scaling is currently used to fit one line to VI scaler
buffer.

Vertical coarse scaling is used to assure that VI scaler is actually
capable of processing framebuffer in one frame time.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190228200329.11128-4-jernej.skrabec@siol.net
 2019-03-01 15:30:22 +01:00
Jernej Skrabec
2586de70c1
drm/sun4i: Add VI scaler line size quirk for DE2/DE3 
While all RGB scalers have maximum line size of 2048, some YUV scalers
have maximum line size of 2048 and some have line size of 4096.

Since there is no rule for that, add a quirk.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190228200329.11128-3-jernej.skrabec@siol.net
 2019-03-01 15:30:09 +01:00
Maxime Ripard
ae6ba10d50
Merge drm/drm-next into drm-misc-next 
Backmerge drm-next to bring in -rc7

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
 2019-02-19 11:17:05 +01:00
Konstantin Sudakov
1c1a7aa366
drm/sun4i: dsi: Add burst support 
The current driver doesn't support the DSI burst operation mode.

Let's add the needed quirks to make it work.

Signed-off-by: Konstantin Sudakov <k.sudakov@integrasources.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1dcabf2b38d3f0d3387b1cf02575e3d14e3ecd4e.1549896081.git-series.maxime.ripard@bootlin.com
 2019-02-19 11:08:34 +01:00
Maxime Ripard
62e7511a4f
drm/sun4i: dsi: Rework a bit the hblk calculation 
It turns out that the hblk calculation actually follows a similar pattern
than the other packets. Rework a bit the calculation and add a comment.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d79a21b09847579ce907212a59737af21a729dd0.1549896081.git-series.maxime.ripard@bootlin.com
 2019-02-19 11:08:32 +01:00
Maxime Ripard
2cfdc24d2f
drm/sun4i: dsi: Fix front vs back porch calculation 
Since I always confuse the back and front porches, a few miscalculation
slipped through. Fix them.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/90c2375b8a853cae0dcc135cedb47edbc26168d8.1549896081.git-series.maxime.ripard@bootlin.com
 2019-02-19 11:08:29 +01:00
Maxime Ripard
efa3180120
drm/sun4i: dsi: Enforce boundaries on the start delay 
The Allwinner BSP makes sure that we don't end up with a null start delay
or with a delay larger than vtotal.

The former condition is likely to happen now with the reworked start delay,
so make sure we enforce the same boundaries.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c9889cf5f7a3d101ef380905900b45a182596f56.1549896081.git-series.maxime.ripard@bootlin.com
 2019-02-19 11:08:25 +01:00
Maxime Ripard
da676c6aa6
drm/sun4i: dsi: Change the start delay calculation 
The current calculation for the video start delay in the current DSI driver
is that it is the total vertical size, minus the front porch and sync length,
plus 1. This equals to the active vertical size plus the back porch plus 1.

That 1 is coming in the Allwinner BSP from an variable that is set to 1.
However, if we look at the Allwinner BSP more closely, and especially in
the "legacy" code for the display (in drivers/video/sunxi/legacy/), we can
see that this variable is actually computed from the porches and the sync
minus 10, clamped between 8 and 100.

This fixes the start delay symptom we've seen on some panels (vblank
timeouts with vertical white stripes at the bottom of the panel).

Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/6e5f72e68f47ca0223877464bf12f0c3f3978de8.1549896081.git-series.maxime.ripard@bootlin.com
 2019-02-19 11:08:21 +01:00
Maxime Ripard
85fb352666
drm/sun4i: dsi: Restrict DSI tcon clock divider 
The current code allows the TCON clock divider to have a range between 4
and 127 when feeding the DSI controller.

The only display supported so far had a display clock rate that ended up
using a divider of 4, but testing with other displays show that only 4
seems to be functional.

This also aligns with what Allwinner is doing in their BSP, so let's just
hardcode that we want a divider of 4 when using the DSI output.

Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/074e88ae472f5e0492e26939c74b44fb4125ffbd.1549896081.git-series.maxime.ripard@bootlin.com
 2019-02-19 11:08:17 +01:00
Dave Airlie
c06de56121 Linux 5.0-rc7 
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Merge v5.0-rc7 into drm-next

Backmerging for nouveau and imx that needed some fixes for next pulls.

Signed-off-by: Dave Airlie <airlied@redhat.com>
 2019-02-18 13:27:15 +10:00
Maxime Ripard
1c7c62a37a
drm/sun4i: dsi: Fix unitialized variable warning 
Since the DPHY rework, one error path doesn't set the return error code
before jumping to its error label, which in turns make gcc (rightfully)
complain about the variable holding the error code being uninitialized.

Fix this.

Fixes: bb3b6fcb68 ("sun6i: dsi: Convert to generic phy handling")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190208090540.19626-1-maxime.ripard@bootlin.com
 2019-02-08 10:28:11 +01:00
Maxime Ripard
5d134abf95
phy: Move Allwinner A31 D-PHY driver to drivers/phy/ 
Now that our MIPI D-PHY driver has been converted to the phy framework,
let's move it into the drivers/phy directory.

Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2447609da5b80f148c79b2b2a263a0e779f3e82f.1548085432.git-series.maxime.ripard@bootlin.com
 2019-02-07 09:34:49 +01:00
Maxime Ripard
bb3b6fcb68
sun6i: dsi: Convert to generic phy handling 
Now that we have everything in place in the PHY framework to deal in a
generic way with MIPI D-PHY phys, let's convert our PHY driver and its
associated DSI driver to that new API.

Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/dc6450e2978b6dafcc464595ad06204d22d2658f.1548085432.git-series.maxime.ripard@bootlin.com
 2019-02-07 09:34:32 +01:00
Paul Kocialkowski
b14e945bda
drm/sun4i: tcon: Prepare and enable TCON channel 0 clock at init 
When initializing clocks, a reference to the TCON channel 0 clock is
obtained. However, the clock is never prepared and enabled later.
Switching from simplefb to DRM actually disables the clock (that was
usually configured by U-Boot) because of that.

On the V3s, this results in a hang when writing to some mixer registers
when switching over to DRM from simplefb.

Fix this by preparing and enabling the clock when initializing other
clocks. Waiting for sun4i_tcon_channel_enable to enable the clock is
apparently too late and results in the same mixer register access hang.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190131132550.26355-1-paul.kocialkowski@bootlin.com
 2019-02-01 14:10:51 +01:00
Chen-Yu Tsai
d0ec0a3e48
drm/sun4i: Add support for A23 display pipeline 
The A23's display pipeline is similar to the A33. Differences include:

  - Display backend supports larger layers, 8192x8192 instead of 2048x2048

  - TCON has DMA input

  - There is no SAT module packed in the display backend

Add support for the display pipeline and its components.

As the MIPI DSI output device is not officially documented, and there
are no A23 reference devices to test it, it is not covered by this
patch.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190125032314.20915-7-wens@csie.org
 2019-01-25 10:42:07 +01:00
Chen-Yu Tsai
134592da02
drm/sun4i: layer: support just backend formats when frontend is unavailable 
In some cases, such as running a new kernel with an old device tree that
has the frontend disabled, the backend's matching frontend might be
unavailable.

When this happens, the layers should only declare support for formats
that the backend support. This partially reverts commit 1c29d263f6
("drm/sun4i: Rename sun4i_backend_layer_formats to sun4i_layer_formats")
by bringing back sun4i_backend_layer_formats, and passing it to
drm_universal_plane_init, while also dropping the modifiers list,
in the event no frontend is available.

Fixes: b636d3f97d ("drm/sun4i: frontend: Add support for the BGRX8888 input format")
Fixes: 9afe52d54b ("drm/sun4i: frontend: Add support for semi-planar YUV input formats")
Fixes: 8c8152bf4d ("drm/sun4i: frontend: Add support for planar YUV input formats")
Fixes: b2ddf277ab ("drm/sun4i: layer: Add tiled modifier support and helper")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190125032314.20915-6-wens@csie.org
 2019-01-25 10:41:58 +01:00
Chen-Yu Tsai
e2b1d3d9ff
drm/sun4i: layer: Assign backend pointer before calling DRM helpers 
We might want to use the backend pointer from DRM callbacks that get
called within drm_universal_plane_init(), such as the
.format_mod_supported callback.

Move the assignment of the layer's backend pointer to right after the
structure is allocated.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190125032314.20915-5-wens@csie.org
 2019-01-25 10:41:45 +01:00
Chen-Yu Tsai
09e5444097
drm/sun4i: backend: Remove BGRX8888 from list of supported formats 
The display backend does not support BGRX8888. There is also no trace
of this in the original list of supported formats before the commit
b636d3f97d ("drm/sun4i: frontend: Add support for the BGRX8888 input
format"). Nor do the backend configuration helpers handle this format.

Remove BGRX8888 from list of supported formats by the backend.

Fixes: 3d4265f89d ("drm/sun4i: backend: Add a helper and a list for supported formats")
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190125032314.20915-4-wens@csie.org
 2019-01-25 10:41:05 +01:00
Daniel Vetter
fcd70cd36b drm: Split out drm_probe_helper.h 
Having the probe helper stuff (which pretty much everyone needs) in
the drm_crtc_helper.h file (which atomic drivers should never need) is
confusing. Split them out.

To make sure I actually achieved the goal here I went through all
drivers. And indeed, all atomic drivers are now free of
drm_crtc_helper.h includes.

v2: Make it compile. There was so much compile fail on arm drivers
that I figured I'll better not include any of the acks on v1.

v3: Massive rebase because i915 has lost a lot of drmP.h includes, but
not all: Through drm_crtc_helper.h > drm_modeset_helper.h -> drmP.h
there was still one, which this patch largely removes. Which means
rolling out lots more includes all over.

This will also conflict with ongoing drmP.h cleanup by others I
expect.

v3: Rebase on top of atomic bochs.

v4: Review from Laurent for bridge/rcar/omap/shmob/core bits:
- (re)move some of the added includes, use the better include files in
  other places (all suggested from Laurent adopted unchanged).
- sort alphabetically

v5: Actually try to sort them, and while at it, sort all the ones I
touch.

v6: Rebase onto i915 changes.

v7: Rebase once more.

Acked-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Acked-by: CK Hu <ck.hu@mediatek.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: virtualization@lists.linux-foundation.org
Cc: etnaviv@lists.freedesktop.org
Cc: linux-samsung-soc@vger.kernel.org
Cc: intel-gfx@lists.freedesktop.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-amlogic@lists.infradead.org
Cc: linux-arm-msm@vger.kernel.org
Cc: freedreno@lists.freedesktop.org
Cc: nouveau@lists.freedesktop.org
Cc: spice-devel@lists.freedesktop.org
Cc: amd-gfx@lists.freedesktop.org
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-rockchip@lists.infradead.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-tegra@vger.kernel.org
Cc: xen-devel@lists.xen.org
Link: https://patchwork.freedesktop.org/patch/msgid/20190117210334.13234-1-daniel.vetter@ffwll.ch
 2019-01-24 13:20:42 +01:00
Priit Laes
5e1bc251ce
drm/sun4i: hdmi: Fix usage of TMDS clock 
Although TMDS clock is required for HDMI to properly function,
nobody called clk_prepare_enable(). This fixes reference counting
issues and makes sure clock is running when it needs to be running.

Due to TDMS clock being parent clock for DDC clock, TDMS clock
was turned on/off for each EDID probe, causing spurious failures
for certain HDMI/DVI screens.

Fixes: 9c5681011a ("drm/sun4i: Add HDMI support")
Signed-off-by: Priit Laes <priit.laes@paf.com>
[Maxime: Moved the TMDS clock enable earlier]
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190122073232.7240-1-plaes@plaes.org
 2019-01-22 10:16:22 +01:00
Paul Kocialkowski
518ea1dc75
drm/sun4i: frontend: Hook-in support for the A20 
This adds the appropriate device-tree compatible for hooking frontend
support for the A20. Since the hardware is very similar to the A10, it
shares the same quirks (which were already introduced).

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-24-paul.kocialkowski@bootlin.com
 2019-01-18 21:12:34 +01:00
Paul Kocialkowski
3cff16d97d
drm/sun4i: frontend: Hook-in support for the A10, with specific quirks 
This adds the appropriate device-tree compatible and quirk data for
hooking frontend support for the A20. It supports the FIR coefficients
ready bit but not the access control bit. It also takes different phase
values than the A33 for these coefficients.

The compatible is already used in the A10 device-tree and already
documented in the device-tree bindings.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-23-paul.kocialkowski@bootlin.com
 2019-01-18 21:12:34 +01:00
Maxime Ripard
1379e83567
drm/sun4i: frontend: Move the FIR filter phases to our quirks 
The FIR filters phase depend on the SoC, so let's move it to our quirks
structure instead of removing them.

Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-22-paul.kocialkowski@bootlin.com
 2019-01-18 21:12:26 +01:00
Maxime Ripard
38ffb167fd
drm/sun4i: Make COEF_RDY conditional 
The COEF_RDY bit isn't found in all the SoCs featuring some variant of the
frontend.

Add it to our quirks structure.

Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-21-paul.kocialkowski@bootlin.com
 2019-01-18 21:12:20 +01:00
Maxime Ripard
c2c7560f7a
drm/sun4i: Set the coef_rdy bit right after the coef have been set 
The COEF_RDY bit is used to tell the hardware that new FIR filters
coefficients have been written to the registers and that the hardware
should take them into account starting next frame.

Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-20-paul.kocialkowski@bootlin.com
 2019-01-18 21:12:13 +01:00
Maxime Ripard
35f366544c
drm/sun4i: frontend: Add a quirk structure 
The ACCESS_CTRL bit is not found on all the variants of the frontend, so
let's introduce a structure that will hold whether or not we need to set
it, and associate it with the compatible.

This will be extended for further similar quirks later on.

Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-19-paul.kocialkowski@bootlin.com
 2019-01-18 21:12:00 +01:00
Maxime Ripard
9401860156
drm/sun4i: Move access control before setting the register as documented 
Unlike what is currently being done, the ACCESS_CTRL bit documentation asks
that this bit should be set before modifying any register. The code in the
BSP also does this, so make sure we do this as well.

Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-18-paul.kocialkowski@bootlin.com
 2019-01-18 21:11:47 +01:00