openwrt/staging/blogic.git
8 years agodrm/msm: Use correct type for physical addresses
Archit Taneja [Sun, 17 Apr 2016 14:58:43 +0000 (20:28 +0530)]
drm/msm: Use correct type for physical addresses

The u32 type used to pass the physical addresses to iommu_map can't
accommodate 64 bit addresses. Move to dma_addr_t to ensure wrong
addresses aren't provided to the IOMMU driver.

Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
8 years agoMerge tag 'drm-vc4-next-2016-07-15' of https://github.com/anholt/linux into drm-next
Dave Airlie [Sat, 16 Jul 2016 01:25:11 +0000 (11:25 +1000)]
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.

8 years agoMerge tag 'drm/panel/for-4.8-rc1' of git://anongit.freedesktop.org/tegra/linux into...
Dave Airlie [Sat, 16 Jul 2016 01:24:29 +0000 (11:24 +1000)]
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

8 years agoMerge tag 'drm/tegra/for-4.8-rc1' of git://anongit.freedesktop.org/tegra/linux into...
Dave Airlie [Sat, 16 Jul 2016 01:23:50 +0000 (11:23 +1000)]
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
  ...

8 years agoMerge branch 'upstream/analogix-dp-20160705' of git://github.com/yakir-Yang/linux...
Dave Airlie [Sat, 16 Jul 2016 01:21:50 +0000 (11:21 +1000)]
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

8 years agoMerge tag 'imx-drm-next-2016-07-14' of git://git.pengutronix.de/git/pza/linux into...
Dave Airlie [Sat, 16 Jul 2016 01:19:29 +0000 (11:19 +1000)]
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

8 years agodrm/vc4: Fix a "the the" typo in a comment.
Eric Anholt [Sat, 2 Jul 2016 16:58:41 +0000 (09:58 -0700)]
drm/vc4: Fix a "the the" typo in a comment.

Signed-off-by: Eric Anholt <eric@anholt.net>
8 years agodrm/vc4: Fix definition of QPU_R_MS_REV_FLAGS
Eric Anholt [Mon, 4 Jul 2016 19:59:18 +0000 (12:59 -0700)]
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>
8 years agodrm/vc4: Add a getparam to signal support for branches.
Eric Anholt [Sat, 2 Jul 2016 21:14:27 +0000 (14:14 -0700)]
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>
8 years agodrm/vc4: Add support for branching in shader validation.
Eric Anholt [Sat, 2 Jul 2016 19:17:10 +0000 (12:17 -0700)]
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>
8 years agodrm/vc4: Add a bitmap of branch targets during shader validation.
Eric Anholt [Sat, 2 Jul 2016 17:10:24 +0000 (10:10 -0700)]
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>
8 years agoMerge branch 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daein...
Dave Airlie [Fri, 15 Jul 2016 04:05:41 +0000 (14:05 +1000)]
Merge branch 'exynos-drm-next' of git://git./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

8 years agoMerge tag 'drm-vc4-next-2016-07-12' of https://github.com/anholt/linux into drm-next
Dave Airlie [Fri, 15 Jul 2016 03:56:11 +0000 (13:56 +1000)]
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

8 years agoMerge tag 'drm-intel-next-2016-07-11' of git://anongit.freedesktop.org/drm-intel...
Dave Airlie [Fri, 15 Jul 2016 03:50:58 +0000 (13:50 +1000)]
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
  ...

8 years agoMerge tag 'topic/drm-misc-2016-07-14' of git://anongit.freedesktop.org/drm-intel...
Dave Airlie [Fri, 15 Jul 2016 01:01:37 +0000 (11:01 +1000)]
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
  ...

8 years agodrm/vc4: Move validation's current/max ip into the validation struct.
Eric Anholt [Sat, 2 Jul 2016 16:57:07 +0000 (09:57 -0700)]
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>
8 years agodrm/vc4: Add a getparam ioctl for getting the V3D identity regs.
Eric Anholt [Fri, 1 Jul 2016 20:10:38 +0000 (13:10 -0700)]
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)
8 years agodrm/tegra: sor: Reject HDMI 2.0 modes
Thierry Reding [Tue, 12 Jul 2016 14:52:22 +0000 (16:52 +0200)]
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>
8 years agodrm/tegra: sor: Prepare for generic PM domain support
Jon Hunter [Fri, 1 Jul 2016 13:21:38 +0000 (14:21 +0100)]
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>
8 years agodrm/tegra: dsi: Prepare for generic PM domain support
Jon Hunter [Fri, 1 Jul 2016 13:21:37 +0000 (14:21 +0100)]
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>
8 years agodrm/tegra: sor: Make XBAR configurable per SoC
Thierry Reding [Mon, 3 Aug 2015 13:50:32 +0000 (15:50 +0200)]
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>
8 years agodrm/tegra: sor: Use sor1_src clock to set parent for HDMI
Thierry Reding [Thu, 9 Jun 2016 15:53:57 +0000 (17:53 +0200)]
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>
8 years agodt-bindings: display: tegra: Add source clock for SOR
Thierry Reding [Thu, 23 Jun 2016 10:04:24 +0000 (12:04 +0200)]
dt-bindings: display: tegra: Add source clock for SOR

The SOR clock can have various sources, with the most commonly used
being the sor_safe, pll_d2_out0, pll_dp and sor_brick clocks. These
are configured using a three level mux, of which the first 2 levels
can be treated as one. The direct parents of the SOR clock are the
sor_safe, sor_brick and sor_src clocks, whereas the pll_d2_out0 and
pll_dp clocks can be selected as parents of the sor_src clock via a
second mux.

Previous generations of Tegra have only supported eDP and LVDS with
the SOR, where LVDS was never used on publicly available hardware.
Clocking for this only ever required the first level mux (to select
between sor_safe and sor_brick).

Tegra210 has a new revision of the SOR that supports HDMI and hence
needs to support the second level mux to allow selecting pll_d2_out0
as the SOR clock's parent. This second mux is knows as sor_src, and
operating system software needs a reference to it in order to select
the proper parent.

Signed-off-by: Thierry Reding <treding@nvidia.com>
8 years agodrm/tegra: sor: Implement sor1_brick clock
Thierry Reding [Thu, 1 Oct 2015 12:25:03 +0000 (14:25 +0200)]
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>
8 years agodrm/imx: parallel-display: add bridge support
Philipp Zabel [Mon, 27 Jun 2016 13:26:31 +0000 (15:26 +0200)]
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>
8 years agodrm: Don't overwrite user ioctl arg unless requested
Chris Wilson [Tue, 12 Jul 2016 14:59:50 +0000 (15:59 +0100)]
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
8 years agoMerge branch 'linux-4.8' of git://github.com/skeggsb/linux into drm-next
Dave Airlie [Thu, 14 Jul 2016 02:14:49 +0000 (12:14 +1000)]
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
  ...

8 years agodrm/nouveau/bus: remove cpu_coherent flag
Alexandre Courbot [Wed, 13 Jul 2016 06:29:36 +0000 (15:29 +0900)]
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>
8 years agodrm/nouveau/ttm: remove special handling of coherent objects
Alexandre Courbot [Wed, 13 Jul 2016 06:29:35 +0000 (15:29 +0900)]
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>
8 years agodrm/nouveau: check for supported chipset before booting fbdev off the hw
Ben Skeggs [Tue, 12 Jul 2016 01:57:07 +0000 (11:57 +1000)]
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
8 years agodrm/nouveau/ce/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/ce/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/fifo/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/fifo/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/disp/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/disp/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/dma/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/dma/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/ltc/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/ltc/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/ibus/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/ibus/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/i2c/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/i2c/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/gpio/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/gpio/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/fuse/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/fuse/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/bus/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/bus/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/bar/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/bar/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/mmu/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/mmu/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/fb/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/fb/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/imem/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/imem/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/devinit/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/devinit/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/bios/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/bios/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/tmr/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/tmr/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/pci/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/pci/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/mc/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/mc/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/top/gp104: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/top/gp104: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/core: recognise GP104 chipset
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/core: recognise GP104 chipset

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/sw/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/sw/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/gr/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/gr/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/ce/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/ce/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/fifo/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/fifo/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/disp/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/disp/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/dma/gp100: initial implementation
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/dma/gp100: initial implementation

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/secboot/gm200: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/secboot/gm200: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/ltc/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/ltc/gp100: initial support

Due to the GPU preventing us from touching NV_PLTCG_LTCS_LTSS_CBC_BASE,
we cannot provide CBC/ZBC support without signed PMU firmware to handle
the task for us...

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/ibus/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/ibus/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/i2c/gm204: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/i2c/gm204: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/gpio/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/gpio/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/fuse/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/fuse/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/bus/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/bus/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/bar/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/bar/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/mmu/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/mmu/gp100: initial support

GP100 still supports the previous generations' page table layout, which
we will temporarily make use of here.

Proper support for the new MMU layout requires some rework to the common
MMU code, which is in progress.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/fb/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/fb/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/imem/gp100: initial implementation
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/imem/gp100: initial implementation

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/devinit/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/devinit/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/bios/rammap: 32-bit bios pointers
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/bios/rammap: 32-bit bios pointers

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/bios/pll: initial support for BIT 'C' version 2
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/bios/pll: initial support for BIT 'C' version 2

Just enough to get at the PLL table.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/bios/dp: initial support for 4.2
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/bios/dp: initial support for 4.2

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/bios/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/bios/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/tmr/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/tmr/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/pci/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/pci/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/mc/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/mc/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/top/gp100: initial support
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/top/gp100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/core: recognise GP100 chipset
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/core: recognise GP100 chipset

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/core: increase maximum nvenc instances to 3
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/core: increase maximum nvenc instances to 3

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/core: increase maximum ce instances to 6
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/core: increase maximum ce instances to 6

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/fb/gf100-: allow selection of an alternate big page size
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau/fb/gf100-: allow selection of an alternate big page size

GFxxx/GM1xx support the selection of 64/128KiB big pages globally.

GM2xx supports the same, as well as another mode where the page size
can be selected per-instance.

We default to 128KiB pages (With per-instance for GM200, but the current
code selects 128KiB there already) as the MMU code isn't currently able
to handle otherwise.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau: prevent oops if no mmu subdev present
Ben Skeggs [Sat, 9 Jul 2016 00:41:01 +0000 (10:41 +1000)]
drm/nouveau: prevent oops if no mmu subdev present

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/disp/g94: implement workaround for dvi issue on fx380
Ben Skeggs [Mon, 27 Jun 2016 06:49:24 +0000 (16:49 +1000)]
drm/nouveau/disp/g94: implement workaround for dvi issue on fx380

Fixes the second DVI output on Quadro FX380.

Thanks to NVIDIA for providing the details on the full workaround.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/bios: pointers beyond end of first image need special handling
Ben Skeggs [Wed, 22 Jun 2016 02:41:04 +0000 (12:41 +1000)]
drm/nouveau/bios: pointers beyond end of first image need special handling

Makes common the code that was previously used by the PMU table parsing,
as it appears other tables need this too.

Not much of an idea what this is all about...

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/bios: guard against out-of-bounds accesses to image
Ben Skeggs [Wed, 22 Jun 2016 02:10:00 +0000 (12:10 +1000)]
drm/nouveau/bios: guard against out-of-bounds accesses to image

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/fifo/gk104-: translate engidx into human-readable name in debug output
Ben Skeggs [Wed, 22 Jun 2016 00:17:11 +0000 (10:17 +1000)]
drm/nouveau/fifo/gk104-: translate engidx into human-readable name in debug output

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/disp/nv50-: fix lookup of udisp table under certain circumstances
Ben Skeggs [Tue, 21 Jun 2016 06:29:03 +0000 (16:29 +1000)]
drm/nouveau/disp/nv50-: fix lookup of udisp table under certain circumstances

Some VBIOS have separate tables for each link of a given output path,
which means we have to specify the specific link we're using instead
of all possible links.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/ltc/gm107-: decode interrupt status to human-readable strings
Ben Skeggs [Tue, 21 Jun 2016 02:41:36 +0000 (12:41 +1000)]
drm/nouveau/ltc/gm107-: decode interrupt status to human-readable strings

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/gr/gk20a: delete unneeded second newline
Julia Lawall [Sun, 19 Jun 2016 06:44:23 +0000 (08:44 +0200)]
drm/nouveau/gr/gk20a: delete unneeded second newline

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/clk/gf100: Read secondary bypass postdiv when required
Roy Spliet [Fri, 17 Jun 2016 21:16:14 +0000 (22:16 +0100)]
drm/nouveau/clk/gf100: Read secondary bypass postdiv when required

v2: fix typo it's -> its

Signed-off-by: Roy Spliet <nouveau@spliet.org>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/clk/gf100-: Clean up PLL locking test
Roy Spliet [Fri, 17 Jun 2016 21:16:13 +0000 (22:16 +0100)]
drm/nouveau/clk/gf100-: Clean up PLL locking test

Corresponds with GT215. Don't rely on the lock test logic being
unconditionally enabled, and disable test logic when done (presumably
to save power).

v2: Remove warning, nvkm_msec already warns on time-out

Signed-off-by: Roy Spliet <nouveau@spliet.org>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/secboot: lazy-load firmware and be more resilient
Alexandre Courbot [Wed, 8 Jun 2016 08:32:41 +0000 (17:32 +0900)]
drm/nouveau/secboot: lazy-load firmware and be more resilient

Defer the loading of firmware files to the chip-specific part of secure
boot. This allows implementations to retry loading firmware if the first
attempt failed ; for the GM200 implementation, this happens when trying
to reset a falcon, typically in reaction to GR init.

Firmware loading may fail for a variety of reasons, such as the
filesystem where they reside not being ready at init time. This new
behavior allows GR to be initialized the next time we try to use it if
the firmware has become available.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/secboot/gm200: make firmware loading re-callable
Alexandre Courbot [Wed, 8 Jun 2016 08:32:40 +0000 (17:32 +0900)]
drm/nouveau/secboot/gm200: make firmware loading re-callable

Make it possible to call gm20x_secboot_prepare_blobs() several times
after either success or failure without re-building already existing
blobs. The function will now try to load firmware files that have
previously failed before returning success.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/gr/gf100: handle secure boot errors
Alexandre Courbot [Wed, 8 Jun 2016 08:32:39 +0000 (17:32 +0900)]
drm/nouveau/gr/gf100: handle secure boot errors

Handle and propagate secure boot errors. Failure to do so results in
Nouveau incorrectly believing init has succeeded and a completely
black display during boot. If we propagate the error, GR init will fail
and the user will at least have a working display.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/secboot: fix kerneldoc for secure boot structures
Alexandre Courbot [Wed, 8 Jun 2016 08:32:38 +0000 (17:32 +0900)]
drm/nouveau/secboot: fix kerneldoc for secure boot structures

Some members were documented in the wrong structure.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/hwmon: add in_min and in_max
Karol Herbst [Sun, 17 Apr 2016 12:51:23 +0000 (14:51 +0200)]
drm/nouveau/hwmon: add in_min and in_max

it is a little help for hardware monitoring tools

Signed-off-by: Karol Herbst <karolherbst@gmail.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/volt: save the voltage range we are able to set
Karol Herbst [Fri, 26 Feb 2016 06:49:08 +0000 (07:49 +0100)]
drm/nouveau/volt: save the voltage range we are able to set

We shouldn't set voltages below the min or above the max voltage the gpu is
able to set, so save the range for future lookups.

Signed-off-by: Karol Herbst <karolherbst@gmail.de>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Tested-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/clk/gm20b: add glitchless and DFS support
Alexandre Courbot [Wed, 1 Jun 2016 08:39:29 +0000 (17:39 +0900)]
drm/nouveau/clk/gm20b: add glitchless and DFS support

This patch adds support for advanced features supported by the
Noise-Aware PLL of Maxwell. Glitchless switch allows the PL field to be
updated without disabling the PLL first if the SYNC_MODE bit of the CFG
register is set.

More significantly, DFS allows the PLL to monitor the actual input
voltage and to dynamically lower the output frequency accordingly. This
allows the clock to be more tolerant of lower voltages.

These improvements are only supported for Tegra speedos >= 1.

Also add the voltage table that is suitable for GM20B's NAPLL. This
change needs to be done atomically for the right voltages to be used by
the clock driver.

v2. Fix build on non-Tegra platforms

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/clk/gk20a: rename constructor
Alexandre Courbot [Wed, 1 Jun 2016 08:39:28 +0000 (17:39 +0900)]
drm/nouveau/clk/gk20a: rename constructor

Strip the _ prefix off the gk20a clock constructor.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
8 years agodrm/nouveau/clk/gk20a: improve MNP programming
Alexandre Courbot [Wed, 1 Jun 2016 08:39:27 +0000 (17:39 +0900)]
drm/nouveau/clk/gk20a: improve MNP programming

Split the MNP programming function into two functions for the cases
where we allow sliding or not, instead of making it take a parameter for
this. This results in less conditionals in the code and makes it easier
to read.

Also make the MNP programming functions take the PLL parameters as
arguments, and move bits of code to more relevant places (previous
programming tended to be just-in-time, which added more conditionnals in
the code).

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>