Commit Graph

28448 Commits

Author SHA1 Message Date
Mark Yao 44958207d6 drm/rockchip: vop: correct rk3036 register define
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Reported-by: Tomasz Figa <tfiga@chromium.org>
2016-07-19 09:42:21 +08:00
Mark Yao ee8662fc1f drm/rockchip: vop: correct the source size of uv scale factor setting
When the input color format is YUV, we need to do some external scale
for CBCR. Like,
 * In YUV420 data format:
     cbcr_xscale = dst_w / src_w * 2;
     cbcr_yscale = dst_h / src_h * 2;
 * In YUV422 data format:
     cbcr_xscale = dst_w / src_w * 2;
     cbcr_yscale = dst_h / src_h;
 * In YUV444 data format
     cbcr_xscale = dst_w / src_w;
     cbcr_yscale = dst_h / src_h;

Signed-off-by: Yakir Yang <ykk@rock-chips.com>
2016-07-19 09:42:20 +08:00
Yakir Yang 7a1ff36c2c drm/rockchip: vop: add uv_vir register field for RK3036 VOP
The WIN0 of RK3036 VOP could support YUV data format, but driver
forget to add the uv_vir register field for it.

Signed-off-by: Yakir Yang <ykk@rock-chips.com>
2016-07-19 09:42:20 +08:00
John Keeping 8ff490ae42 drm/rockchip: fix "should it be static?" warnings
Combined with the previous commit, this fixes all of the sparse warnings
in drm/rockchip.

Signed-off-by: John Keeping <john@metanate.com>
2016-07-19 09:42:19 +08:00
John Keeping a7e03fb537 drm/rockchip: fb: add missing header
This fixes the following sparse warnings:

drivers/gpu/drm/rockchip/rockchip_drm_fb.c:32:23: warning: symbol 'rockchip_fb_get_gem_obj' was not declared. Should it be static?
drivers/gpu/drm/rockchip/rockchip_drm_fb.c:315:24: warning: symbol 'rockchip_drm_framebuffer_init' was not declared. Should it be static?
drivers/gpu/drm/rockchip/rockchip_drm_fb.c:329:6: warning: symbol 'rockchip_drm_mode_config_init' was not declared. Should it be static?

Signed-off-by: John Keeping <john@metanate.com>
2016-07-19 09:42:18 +08:00
John Keeping a38656958e drm/rockchip: dw_hdmi: remove unused #include
drm_encoder_slave is not used in this file.

Signed-off-by: John Keeping <john@metanate.com>
2016-07-19 09:42:18 +08:00
Dave Airlie 2d635fded2 This pull request brings in vc4 shader validation for branching,
allowing GLSL shaders with non-unrolled loops.
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Merge tag 'drm-vc4-next-2016-07-15' of https://github.com/anholt/linux into drm-next

This pull request brings in vc4 shader validation for branching,
allowing GLSL shaders with non-unrolled loops.

* tag 'drm-vc4-next-2016-07-15' of https://github.com/anholt/linux:
  drm/vc4: Fix a "the the" typo in a comment.
  drm/vc4: Fix definition of QPU_R_MS_REV_FLAGS
  drm/vc4: Add a getparam to signal support for branches.
  drm/vc4: Add support for branching in shader validation.
  drm/vc4: Add a bitmap of branch targets during shader validation.
  drm/vc4: Move validation's current/max ip into the validation struct.
  drm/vc4: Add a getparam ioctl for getting the V3D identity regs.
2016-07-16 11:25:11 +10:00
Dave Airlie ec2174fec9 drm/panel: Changes for v4.8-rc1
This set of changes contains a few cleanups for existing panels as well
 as improved handling of certain backlights. In addition there's support
 for a few new simple panels.
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Merge tag 'drm/panel/for-4.8-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next

drm/panel: Changes for v4.8-rc1

This set of changes contains a few cleanups for existing panels as well
as improved handling of certain backlights. In addition there's support
for a few new simple panels.

* tag 'drm/panel/for-4.8-rc1' of git://anongit.freedesktop.org/tegra/linux:
  drm/panel: simple: Add support for Starry KR122EA0SRA panel
  dt-bindings: Add Starry KR122EA0SRA panel binding
  dt-bindings: Add vendor prefix for Starry
  dt-bindings: display: Add Sharp LQ101K1LY04 panel binding
  drm/panel: simple: Add support for Sharp LQ101K1LY04
  drm/panel: simple: Add support for LG LP079QX1-SP0V panel
  dt-bindings: Add support for LG LP079QX1-SP0V panel
  drm/panel: simple: Add support for Sharp LQ123P1JX31 panel
  dt-bindings: Add Sharp LQ123P1JX31 panel binding
  drm/panel: simple: Add support for Samsung LSN122DL01-C01 panel
  dt-bindings: Add Samsung LSN122DL01-C01 panel binding
  drm/panel: simple: Add support for LG LP097QX1-SPA1 panel
  dt-bindings: Add LG LP097QX1-SPA1 panel binding
  drm/panel: simple: Update backlight state property
  drm/panel: simple: Remove gratuitous blank line
  drm/panel: simple: Fix a couple of physical sizes
2016-07-16 11:24:29 +10:00
Dave Airlie 877fa9a42d drm/tegra: Changes for v4.8-rc1
This set of changes contains a bunch of cleanups to the host1x driver as
 well as the addition of a pin controller for DPAUX, which is required by
 boards to configure the DPAUX pads in AUX mode (for DisplayPort) or I2C
 mode (for HDMI and DDC).
 
 Included is also a bit of rework of the SOR driver in preparation to add
 DisplayPort support as well as some refactoring and cleanup.
 
 Finally, all output drivers are converted to runtime PM, which greatly
 simplifies the handling of clocks and resets.
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Merge tag 'drm/tegra/for-4.8-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next

drm/tegra: Changes for v4.8-rc1

This set of changes contains a bunch of cleanups to the host1x driver as
well as the addition of a pin controller for DPAUX, which is required by
boards to configure the DPAUX pads in AUX mode (for DisplayPort) or I2C
mode (for HDMI and DDC).

Included is also a bit of rework of the SOR driver in preparation to add
DisplayPort support as well as some refactoring and cleanup.

Finally, all output drivers are converted to runtime PM, which greatly
simplifies the handling of clocks and resets.

* tag 'drm/tegra/for-4.8-rc1' of git://anongit.freedesktop.org/tegra/linux: (35 commits)
  drm/tegra: sor: Reject HDMI 2.0 modes
  drm/tegra: sor: Prepare for generic PM domain support
  drm/tegra: dsi: Prepare for generic PM domain support
  drm/tegra: sor: Make XBAR configurable per SoC
  drm/tegra: sor: Use sor1_src clock to set parent for HDMI
  dt-bindings: display: tegra: Add source clock for SOR
  drm/tegra: sor: Implement sor1_brick clock
  drm/tegra: sor: Implement runtime PM
  drm/tegra: hdmi: Implement runtime PM
  drm/tegra: dsi: Implement runtime PM
  drm/tegra: dc: Implement runtime PM
  drm/tegra: hdmi: Enable audio over HDMI
  drm/tegra: sor: Do not support deep color modes
  drm/tegra: sor: Extract tegra_sor_mode_set()
  drm/tegra: sor: Split out tegra_sor_apply_config()
  drm/tegra: sor: Rename tegra_sor_calc_config()
  drm/tegra: sor: Factor out tegra_sor_set_parent_clock()
  drm/tegra: dpaux: Add pinctrl support
  dt-bindings: Add bindings for Tegra DPAUX pinctrl driver
  drm/tegra: Prepare DPAUX for supporting generic PM domains
  ...
2016-07-16 11:23:50 +10:00
Dave Airlie e2b80bac21 Merge branch 'upstream/analogix-dp-20160705' of git://github.com/yakir-Yang/linux into drm-next
Please consider merging this tag, which contains the v4 misc fixes and add RK3399 eDP support patches[0] I sent on 2016-06-29, rebased onto v4.7-rc5.

* 'upstream/analogix-dp-20160705' of git://github.com/yakir-Yang/linux:
  dt-bindings: analogix_dp: rockchip: correct the wrong compatible name
  drm/rockchip: analogix_dp: introduce the pclk for grf
  drm/bridge: analogix_dp: fix no drm hpd event when panel plug in
  drm/rockchip: analogix_dp: update the comments about why need to hardcode VOP output mode
  drm/rockchip: analogix_dp: correct the connector display color format and bpc
  drm/bridge: analogix_dp: passing the connector as an argument in .get_modes()
  drm/rockchip: analogix_dp: make panel detect to an optional action
  drm/rockchip: analogix_dp: add rk3399 eDP support
  drm/bridge: analogix_dp: some rockchip chips need to flip REF_CLK bit setting
  drm/bridge: analogix_dp: correct the register bit define error in ANALOGIX_DP_PLL_REG_1
  drm/rockchip: analogix_dp: split the lcdc select setting into device data
2016-07-16 11:21:50 +10:00
Dave Airlie d3c35337fb imx-drm updates
- atomic mode setting conversion
 - replace DMFC FIFO allocation mechanism with a fixed allocation
   that is good enough for all cases
 - support for external bridges connected to parallel-display
 - improved error handling in imx-ldb, imx-tve, and parallel-display
 - some code cleanup in imx-tve
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Merge tag 'imx-drm-next-2016-07-14' of git://git.pengutronix.de/git/pza/linux into drm-next

imx-drm updates

- atomic mode setting conversion
- replace DMFC FIFO allocation mechanism with a fixed allocation
  that is good enough for all cases
- support for external bridges connected to parallel-display
- improved error handling in imx-ldb, imx-tve, and parallel-display
- some code cleanup in imx-tve

* tag 'imx-drm-next-2016-07-14' of git://git.pengutronix.de/git/pza/linux:
  drm/imx: parallel-display: add bridge support
  drm/imx: parallel-display: check return code from of_get_drm_display_mode()
  gpu: ipu-v3: ipu-dc: don't bug out on invalid bus_format
  drm/imx: imx-tve: fix the error message
  drm/imx: imx-tve: remove unneeded 'or' operation
  drm/imx: imx-tve: check the value returned by regulator_set_voltage()
  drm/imx: imx-ldb: check return code on panel attach
  drm/imx: turn remaining container_of macros into inline functions
  drm/imx: store internal bus configuration in crtc state
  drm/imx: remove empty mode_set encoder callbacks
  drm/imx: atomic phase 3 step 3: Advertise DRIVER_ATOMIC
  drm/imx: atomic phase 3 step 2: Legacy callback fixups
  drm/bridge: dw-hdmi: Remove the legacy drm_connector_funcs structure
  drm/imx: atomic phase 3 step 1: Use atomic configuration
  drm/imx: Remove encoders' ->prepare callbacks
  drm/imx: atomic phase 2 step 2: Track plane_state->fb correctly in ->page_flip
  drm/imx: atomic phase 2 step 1: Wire up state ->reset, ->duplicate and ->destroy
  drm/imx: atomic phase 1: Use transitional atomic CRTC and plane helpers
  gpu: ipu-v3: ipu-dmfc: Use static DMFC FIFO allocation mechanism
  drm/imx: ipuv3 plane: Check different types of plane separately
2016-07-16 11:19:29 +10:00
Eric Anholt a20d5fa61c drm/vc4: Fix a "the the" typo in a comment.
Signed-off-by: Eric Anholt <eric@anholt.net>
2016-07-15 15:19:52 -07:00
Eric Anholt 20e48fd6a9 drm/vc4: Fix definition of QPU_R_MS_REV_FLAGS
We don't use it in shader validation currently, so it had no effect,
but best to fix it anyway in case we do some day.

Signed-off-by: Eric Anholt <eric@anholt.net>
2016-07-15 15:19:52 -07:00
Eric Anholt 7363cee5b4 drm/vc4: Add a getparam to signal support for branches.
Userspace needs to know if it can create shaders that do branching.
Otherwise, for backwards compatibility with old kernels it needs to
lower if statements to conditional assignments.

Signed-off-by: Eric Anholt <eric@anholt.net>
2016-07-15 15:19:51 -07:00
Eric Anholt 6d45c81d22 drm/vc4: Add support for branching in shader validation.
We're already checking that branch instructions are between the start
of the shader and the proper PROG_END sequence.  The other thing we
need to make branching safe is to verify that the shader doesn't read
past the end of the uniforms stream.

To do that, we require that at any basic block reading uniforms have
the following instructions:

load_imm temp, <next offset within uniform stream>
add unif_addr, temp, unif

The instructions are generated by userspace, and the kernel verifies
that the load_imm is of the expected offset, and that the add adds it
to a uniform.  We track which uniform in the stream that is, and at
draw call time fix up the uniform stream to have the address of the
start of the shader's uniforms at that location.

Signed-off-by: Eric Anholt <eric@anholt.net>
2016-07-15 15:19:50 -07:00
Eric Anholt 93aa9ae3e5 drm/vc4: Add a bitmap of branch targets during shader validation.
This isn't used yet, it's just a first step toward loop validation.
During the main parsing of instructions, we need to know when we hit a
new basic block so that we can reset validated state.

v2: Fix a stray semicolon after an if block.  (caught by kbuild test).

Signed-off-by: Eric Anholt <eric@anholt.net>
2016-07-15 15:19:12 -07:00
Dave Airlie f82c137222 Merge branch 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
This pull request adds to the rework patch series for IOMMU
   integration to support ARM64bit architecture with DMA-IOMMU
   glue code.

   With this patch series, Exynos DRM works well on Exynos5433 SoC
   with IOMMU enabled.

* 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
  drm/exynos: iommu: add support for ARM64 specific code for IOMMU glue
  drm/exynos: iommu: move ARM specific code to exynos_drm_iommu.h
  drm/exynos: iommu: remove unused entries from exynos_drm_private strcuture
  drm/exynos: iommu: add a check if all sub-devices have iommu controller
  drm/exynos: iommu: move dma_params configuration code to separate functions
2016-07-15 14:05:41 +10:00
Dave Airlie 35b8a74924 This pull request brings in new vc4 plane formats for Android, precise
vblank timestamping, and a couple of small cleanups.
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Merge tag 'drm-vc4-next-2016-07-12' of https://github.com/anholt/linux into drm-next

This pull request brings in new vc4 plane formats for Android, precise
vblank timestamping, and a couple of small cleanups.

* tag 'drm-vc4-next-2016-07-12' of https://github.com/anholt/linux:
  drm/vc4: remove redundant ret status check
  drm/vc4: Implement precise vblank timestamping.
  drm/vc4: Bind the HVS before we bind the individual CRTCs.
  gpu: drm: vc4_hdmi: add missing of_node_put after calling of_parse_phandle
  drm: vc4: enable XBGR8888 and ABGR8888 pixel formats
  drm/vc4: clean up error exit path on failed dpi_connector allocation
2016-07-15 13:56:11 +10:00
Dave Airlie ff37c05a99 Merge tag 'drm-intel-next-2016-07-11' of git://anongit.freedesktop.org/drm-intel into drm-next
- select igt testing depencies for CONFIG_DRM_I915_DEBUG (Chris)
- track outputs in crtc state and clean up all our ad-hoc connector/encoder
  walking in modest code (Ville)
- demidlayer drm_device/drm_i915_private (Chris Wilson)
- thundering herd fix from Chris Wilson, with lots of help from Tvrtko Ursulin
- piles of assorted clean and fallout from the thundering herd fix
- documentation and more tuning for waitboosting (Chris)
- pooled EU support on bxt (Arun Siluvery)
- bxt support is no longer considered prelimary!
- ring/engine vfunc cleanup from Tvrtko
- introduce intel_wait_for_register helper (Chris)
- opregion updates (Jani Nukla)
- tuning and fixes for wait_for macros (Tvrkto&Imre)
- more kabylake pci ids (Rodrigo)
- pps cleanup and fixes for bxt (Imre)
- move sink crc support over to atomic state (Maarten)
- fix up async fbdev init ordering (Chris)
- fbc fixes from Paulo and Chris

* tag 'drm-intel-next-2016-07-11' of git://anongit.freedesktop.org/drm-intel: (223 commits)
  drm/i915: Update DRIVER_DATE to 20160711
  drm/i915: Select DRM_VGEM for igt
  drm/i915: Select X86_MSR for igt
  drm/i915: Fill unused GGTT with scratch pages for VT-d
  drm/i915: Introduce Kabypoint PCH for Kabylake H/DT.
  drm/i915:gen9: implement WaMediaPoolStateCmdInWABB
  drm/i915: Check for invalid cloning earlier during modeset
  drm/i915: Simplify hdmi_12bpc_possible()
  drm/i915: Kill has_dsi_encoder
  drm/i915: s/INTEL_OUTPUT_DISPLAYPORT/INTEL_OUTPUT_DP/
  drm/i915: Replace some open coded intel_crtc_has_dp_encoder()s
  drm/i915: Kill has_dp_encoder from pipe_config
  drm/i915: Replace manual lvds and sdvo/hdmi counting with intel_crtc_has_type()
  drm/i915: Unify intel_pipe_has_type() and intel_pipe_will_have_type()
  drm/i915: Add output_types bitmask into the crtc state
  drm/i915: Remove encoder type checks from MST suspend/resume
  drm/i915: Don't mark eDP encoders as MST capable
  drm/i915: avoid wait_for_atomic() in non-atomic host2guc_action()
  drm/i915: Group the irq breadcrumb variables into the same cacheline
  drm/i915: Wake up the bottom-half if we steal their interrupt
  ...
2016-07-15 13:50:58 +10:00
Dave Airlie 6c181c8210 Merge tag 'topic/drm-misc-2016-07-14' of git://anongit.freedesktop.org/drm-intel into drm-next
I recovered dri-devel backlog from my vacation, more misc stuff:
- of_put_node fixes from Peter Chen (not all yet)
- more patches from Gustavo to use kms-native drm_crtc_vblank_* funcs
- docs sphinxification from Lukas Wunner
- bunch of fixes all over from Dan Carpenter
- more follow up work from Chris register/unregister rework in various
  places
- vgem dma-buf export (for writing testcases)
- small things all over from tons of different people

* tag 'topic/drm-misc-2016-07-14' of git://anongit.freedesktop.org/drm-intel: (52 commits)
  drm: Don't overwrite user ioctl arg unless requested
  dma-buf/sync_file: improve Kconfig description for Sync Files
  MAINTAINERS: add entry for the Sync File Framework
  drm: Resurrect atomic rmfb code
  drm/vgem: Use PAGE_KERNEL in place of x86-specific PAGE_KERNEL_IO
  qxl: silence uninitialized variable warning
  qxl: check for kmap failures
  vga_switcheroo: Sphinxify docs
  drm: Restore double clflush on the last partial cacheline
  gpu: drm: rockchip_drm_drv: add missing of_node_put after calling of_parse_phandle
  gpu: drm: sti_vtg: add missing of_node_put after calling of_parse_phandle
  gpu: drm: sti_hqvdp: add missing of_node_put after calling of_parse_phandle
  gpu: drm: sti_vdo: add missing of_node_put after calling of_parse_phandle
  gpu: drm: sti_compositor: add missing of_node_put after calling of_parse_phandle
  drm/tilcdc: use drm_crtc_handle_vblank()
  drm/rcar-du: use drm_crtc_handle_vblank()
  drm/nouveau: use drm_crtc_handle_vblank()
  drm/atmel: use drm_crtc_handle_vblank()
  drm/armada: use drm_crtc_handle_vblank()
  drm: make drm_vblank_count_and_time() static
  ...
2016-07-15 11:01:37 +10:00
Eric Anholt d0566c2a2f drm/vc4: Move validation's current/max ip into the validation struct.
Reduces the argument count for some of the functions, and will be used
more with the upcoming looping support.

Signed-off-by: Eric Anholt <eric@anholt.net>
2016-07-14 08:09:27 -07:00
Eric Anholt af713795c5 drm/vc4: Add a getparam ioctl for getting the V3D identity regs.
As I extend the driver to support different V3D revisions, userspace
needs to know what version it's targeting.  This is most easily
detected using the V3D identity registers.

v2: Make sure V3D is runtime PM on when reading the registers.
v3: Switch to a 64-bit param value (suggested by Rob Clark in review)

Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v2)
Reviewed-by: Rob Clark <robdclark@gmail.com> (v3, over irc)
2016-07-14 08:08:35 -07:00
Thierry Reding 64ea25c3bc drm/tegra: sor: Reject HDMI 2.0 modes
Enabling HDMI 2.0 modes requires extra programming and will not work
with the current driver, so reject all those modes.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-07-14 14:57:04 +02:00
Jon Hunter f8c79120aa drm/tegra: sor: Prepare for generic PM domain support
The SOR driver for Tegra requires the SOR power partition to be enabled.
Now that Tegra supports the generic PM domain framework we manage the
SOR power partition via this framework. However, the sequence for
gating/ungating the SOR power partition requires that the SOR reset is
asserted/de-asserted at the time the SOR power partition is
gated/ungated, respectively. Now that the reset control core assumes
that resets are exclusive, the Tegra generic PM domain code and the SOR
driver cannot request the same reset unless we mark the reset as shared.
Sharing resets will not work in this case because we cannot guarantee
that the reset will be asserted/de-asserted at the appropriate time.
Therefore, given that the Tegra generic PM domain code will handle the
resets, do not request the reset in the SOR driver if the SOR device has
a PM domain associated.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-07-14 14:57:03 +02:00
Jon Hunter 64230aa075 drm/tegra: dsi: Prepare for generic PM domain support
The DSI driver for Tegra requires the SOR power partition to be enabled.
Now that Tegra supports the generic PM domain framework we manage the
SOR power partition via this framework. However, the sequence for
gating/ungating the SOR power partition requires that the DSI reset is
asserted/de-asserted at the time the SOR power partition is
gated/ungated, respectively. Now that the reset control core assumes
that resets are exclusive, the Tegra generic PM domain code and the DSI
driver cannot request the same reset unless we mark the reset as shared.
Sharing resets will not work in this case because we cannot guarantee
that the reset will be asserted/de-asserted at the appropriate time.
Therefore, given that the Tegra generic PM domain code will handle the
resets, do not request the reset in the DSI driver if the DSI device has
a PM domain associated.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-07-14 14:57:02 +02:00
Thierry Reding 30b4943558 drm/tegra: sor: Make XBAR configurable per SoC
Provide a per-SoC mapping of lanes which can be used to configure the
XBAR.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-07-14 14:57:02 +02:00
Thierry Reding 618dee3941 drm/tegra: sor: Use sor1_src clock to set parent for HDMI
When running in HDMI mode, the sor1 IP block needs to use the sor1_src
as parent clock, and in turn configure the sor1_src to use pll_d2_out0
as its parent.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-07-14 14:57:01 +02:00
Thierry Reding b299221ca9 drm/tegra: sor: Implement sor1_brick clock
sor1_brick is a clock that can be used as a source for the sor1 clock.
The registers to control the clock output are part of the sor1 IP block
and hence the sor driver is the best place to implement it.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2016-07-14 14:57:00 +02:00
Philipp Zabel f140b0cc77 drm/imx: parallel-display: add bridge support
Add support for bridge chips connected externally to the i.MX
DISP0/DISP1 DPI interfaces.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2016-07-14 11:18:46 +02:00
Chris Wilson 01d3434a56 drm: Don't overwrite user ioctl arg unless requested
Currently, we completely ignore the user when it comes to the in/out
direction of the ioctl argument, as we simply cannot trust userspace.
(For example, they might request a copy of the modified ioctl argument
when the driver is not expecting such and so leak kernel stack.)
However, blindly copying over the target address may also lead to a
spurious EFAULT, and a failure after the ioctl was completed
successfully. This is important in order to avoid an ABI break when
extending an ioctl from IOR to IORW. Similar to how we only copy the
intersection of the kernel arg size and the user arg size, we only want
to copy back the kernel arg data iff both the kernel and userspace
request the copy.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1468335590-21023-1-git-send-email-chris@chris-wilson.co.uk
2016-07-14 10:12:50 +02:00
Dave Airlie 1640142b3d Merge branch 'linux-4.8' of git://github.com/skeggsb/linux into drm-next
Here's an initial drm-next pull for nouveau 4.8, highlights:
- GK20A/GM20B volt and clock improvements.
- Initial support for GP100/GP104 GPUs, GP104 will not yet support
acceleration due to NVIDIA having not released firmware for them as of yet.

* 'linux-4.8' of git://github.com/skeggsb/linux: (97 commits)
  drm/nouveau/bus: remove cpu_coherent flag
  drm/nouveau/ttm: remove special handling of coherent objects
  drm/nouveau: check for supported chipset before booting fbdev off the hw
  drm/nouveau/ce/gp104: initial support
  drm/nouveau/fifo/gp104: initial support
  drm/nouveau/disp/gp104: initial support
  drm/nouveau/dma/gp104: initial support
  drm/nouveau/ltc/gp104: initial support
  drm/nouveau/ibus/gp104: initial support
  drm/nouveau/i2c/gp104: initial support
  drm/nouveau/gpio/gp104: initial support
  drm/nouveau/fuse/gp104: initial support
  drm/nouveau/bus/gp104: initial support
  drm/nouveau/bar/gp104: initial support
  drm/nouveau/mmu/gp104: initial support
  drm/nouveau/fb/gp104: initial support
  drm/nouveau/imem/gp104: initial support
  drm/nouveau/devinit/gp104: initial support
  drm/nouveau/bios/gp104: initial support
  drm/nouveau/tmr/gp104: initial support
  ...
2016-07-14 12:14:49 +10:00
Alexandre Courbot aff51175cd drm/nouveau/bus: remove cpu_coherent flag
This flag's only remaining function is to ignore the uncached flag for
BOs on coherent architectures.

However the reason for allocating an object uncache on a non-coherent
architecture (namely because the cost of doing explicit flushes/
invalidations is higher than the benefit of caching the data because
accesses are few and far between) should also apply on architectures for
which coherency is maintained implicitly. Thus allocate coherent objects
as uncached on all architectures.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:55:18 +10:00
Alexandre Courbot 36a471baa8 drm/nouveau/ttm: remove special handling of coherent objects
TTM-allocated coherent objects were populated using the DMA API and
accessed using the mapping it returned to workaround coherency
issues. These issues seem to have been solved, thus remove this extra
case to handle and use the regular kernel mapping functions.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:55:18 +10:00
Ben Skeggs 0e67bed2c7 drm/nouveau: check for supported chipset before booting fbdev off the hw
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
2016-07-14 11:55:10 +10:00
Ben Skeggs 146cfe2476 drm/nouveau/ce/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs ba3b712e8d drm/nouveau/fifo/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs fd47877f77 drm/nouveau/disp/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs 15cec92f4e drm/nouveau/dma/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs a8c15dda41 drm/nouveau/ltc/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs 8c80bc6c3c drm/nouveau/ibus/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs 13a66d2f9d drm/nouveau/i2c/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs 14ae020d37 drm/nouveau/gpio/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs 7d007dd745 drm/nouveau/fuse/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs 42d7a65e69 drm/nouveau/bus/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs 10d4c1c27f drm/nouveau/bar/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs 6b7c941b8c drm/nouveau/mmu/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs 6258cd43cf drm/nouveau/fb/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs 4fdbdfa8ae drm/nouveau/imem/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs 047506cab8 drm/nouveau/devinit/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00
Ben Skeggs 38849205ac drm/nouveau/bios/gp104: initial support
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14 11:53:25 +10:00