| Commit message (Collapse) | Author | Age |
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Another interesting criteria to work dmc as expected is pw1 to be
enabled by driver and dmc will shut it off in its execution
sequence. If already disabled by driver dmc will get confuse and
behave differently than expected found during pc10 entry issue
for skl.
So berfore we disable power-well 1, added check if dmc firmware is
present and driver will not disable power well 1, but for any reason
if firmware is not present of failed to load we can shut off the
power well 1 which will save some power.
As skl is currently fully dependent on dmc to go in lowest possible
power state (dc6) but the same is not applicable for bxt. Display
engine can enter into dc9 without dmc, hence unblocking disable call.
v1: Initial version.
v2: Rebased as per current patch series.
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju@intel.com>
Reviewed-by: A.Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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While display engine entering into low power state no need to disable
cdclk pll as CSR firmware of dmc will take care. If pll is already
enabled firmware execution sequence will be blocked. This is one
of the criteria for dmc to work properly.
v1: Initial version.
v2: Based on review comment from Daniel added code commnent.
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-bt: Vathsala Nagaraju <vathsala.nagaraju@intel.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
Reviewed-by: A.Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This patch remove the function call to set the firmware
loading status as uninitialized during suspend.
Dmc firmware will restore the firmware in normal suspend. In previous
patch added a check to directly read the hardware status and load
the firmware if got reset during resume from suspend-hibernation.
Cc: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju@intel.com>
Reviewed-by: A.Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Dmc will restore the csr program except DC9, cold boot,
warm reset, PCI function level reset, and hibernate/suspend.
intel_csr_load_program() function is used to load the firmware
data from kernel memory to csr address space.
All values of csr address space will be zero if it got reset and
the first byte of csr program is always a non-zero if firmware
is loaded successfuly. Based on hardware status will load the
firmware.
Without this condition check if we overwrite the firmware data the
counters exposed for dc5/dc6 (help for debugging) will be nullified.
Note: Above commit message seems to be confused and the real problem
apparently going on is that for suspend-to-idle and system standby the
firmware survives (it's like runtime pm), but it doesn't for
suspend-to-mem and hibernate-to-disk. All the other talking about DC9
and pci reset are irrelevant for the path touched here (only driver
load and system resume functions) and might not be true statements.
v1: Initial version.
v2: Based on review comments from Daniel,
- Added a check to know hardware status and load the firmware if not loaded.
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Sunil Kamath <sunil.kamath@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju@intel.com>
Reviewed-by: A.Sunil Kamath <sunil.kamath@intel.com>
[danvet: Explain clearly in the code comment when we need to reload
and when not and make it a FIXME. Also deconfuse the commit message
with a note. Also: Make. it. compile.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Virtualized systems often use a virtual P2X4 south bridge.
Detect this in intel_detect_pch and make a best guess as to which PCH
we should be using.
This was seen on vmware esxi hypervisor. When passing the graphics device
through to a guest, it can not pass through the PCH. Instead it simulates
a P2X4 southbridge.
Signed-off-by: Robert Beckett <robert.beckett@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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some rcar fixes.
* 'drm/next/du' of git://linuxtv.org/pinchartl/fbdev:
drm: rcar-du: Fix plane state free in plane reset handler
drm: rcar-du: Enable DU0 to DPAD connection on R8A7791
drm: rcar-du: Add dependency on OF
drm: rcar-du: Remove obsolete rcar-du-r8a779x platform_device_id entries
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The plane reset handler frees the plane state and allocates a new
default state, but when doing so attempt to free the plane state using
the base plane state pointer instead of casting it to the
driver-specific state object that has been allocated. Fix it by using
the rcar_du_plane_atomic_destroy_state() function to destroy the plane
state instead of duplicating the code.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
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The DPAD RGB output can be driven by both DU0 and DU1 on R8A7791. Mark
the DU0 connection as possible.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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The driver requires OF support, add a dependency in Kconfig and remove
the platform_device_id table that isn't used anymore.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Since commit a483dcbfa21f919c ("ARM: shmobile: lager: Remove legacy
board support"), R-Car Gen2 SoCs are only supported in generic DT-only
ARM multi-platform builds. The driver doesn't need to match platform
devices by name anymore, hence remove the corresponding
platform_device_id entry.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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drm-next
Add 3D support to the virtio-gpu.
* 'virtio-gpu-for-drm-next' of git://git.kraxel.org/linux:
virtio-gpu: add page flip support
virtio-gpu: mark as a render gpu
virtio-gpu: add basic prime support
virtio-gpu: add 3d/virgl support
virtio-gpu: don't free things on ttm_bo_init failure
virtio-gpu: wait for cursor updates finish
virtio-gpu: add & use virtio_gpu_queue_fenced_ctrl_buffer
virtio-gpu: add virtio_gpu_queue_ctrl_buffer_locked
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Also add DRM_RENDER_ALLOW to the ioctls.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This is enough to enable DRI3.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add the bits needed for opengl rendering support: query
capabilities, new virtio commands, drm ioctls.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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ttm_bo_init will call the destroy callback which will do all
this, this was causing a double free.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add helper function to handle the submission of fenced control requests.
Make sure we initialize the fence while holding the virtqueue lock, so
requests can't be reordered.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add virtio_gpu_queue_ctrl_buffer_locked function, which does the same as
virtio_gpu_queue_ctrl_buffer but does not take the virtqueue lock. The
caller must hold the lock instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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drivers/gpu/drm/via/via_drv.h
Fixes userspace compile error since list_head is not exported to userspace
headers.
Suggested by Emil Velikov <emil.l.velikov@gmail.com> at
https://lkml.org/lkml/2015/6/3/792
Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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drivers/gpu/drm/sis/sis_drv.h
Fixes userspace compile error:
drm/sis_drm.h:68:19: error: field ‘obj_list’ has incomplete type
struct list_head obj_list;
Suggested by Emil Velikov <emil.l.velikov@gmail.com> at
https://lkml.org/lkml/2015/6/3/792
Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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into drm-next
This series:
* adds support for interlaced video modes to the ipu-v3 driver
and dw_hdmi bridge.
* reworks the dw_hdmi connector enable/disable support, to ensure that
when DRM disables the output, it stays disabled irrespective of the
hotplug state.
* adds support for connector forcing, so we can force the hotplug state
for this connector.
* adds the ALSA AHB audio driver to the bridge: Iwai has acked the
audio driver.
* a few fixes to the ACR calculations to allow more modes to work with
audio on iMX6.
Fabio has independently tested this series, so all patches here carry
his tested-by tag.
* 'drm-dwhdmi-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
drm: bridge/dw_hdmi: replace CTS calculation for the ACR
drm: bridge/dw_hdmi: remove ratio support from ACR code
drm: bridge/dw_hdmi: adjust pixel clock values in N calculation
drm: bridge/dw_hdmi: avoid being recursive in N calculation
drm: bridge/dw_hdmi-ahb-audio: allow larger buffer sizes
drm: bridge/dw_hdmi-ahb-audio: basic support for multi-channel PCM audio
drm: bridge/dw_hdmi-ahb-audio: parse ELD from HDMI driver
drm: bridge/dw_hdmi-ahb-audio: add audio driver
drm: bridge/dw_hdmi: improve HDMI enable/disable handling
drm: bridge/dw_hdmi: add connector mode forcing
drm: bridge/dw_hdmi: add support for interlaced video modes
gpu: imx: fix support for interlaced modes
gpu: imx: simplify sync polarity setting
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Given the TDMS clock, audio sample rate, and the N parameter, we can
calculate the CTS value for the audio clock regenerator (ACR) using the
following calculation given in the HDMI specification:
CTS = ftdms * N / (128 * fs)
The specification says that the CTS value is an average value, which is
true if the source hardware measures it. Where source hardware needs it
to be programmed, it is particularly difficult to alternate between two
values correctly to ensure that we achieve a correct "average"
fractional value at the sink.
Also, there's the problem that our "ftdms" is not a fully accurate
value; it is rounded to a kHz value. This introduces an unnecessary
(and harmless) fractional value into the above equation for combinations
like 148.5MHz/1.001 for 44100Hz - we still calculate the correct CTS
value.
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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We never set the ratio for CTS/N calculation for the audio clock
regenerator (ACR) to anything but 100, so this adds pointless
complexity. Should we support pixel repetition, we should update the
CTS/N calculation code to use those parameters or the actual TMDS clock
rate instead of a ratio.
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Adjust the pixel clock values in the N calculation to match the more
accurate clock values we're given by the DRM subsystem, which are the
kHz pixel rate, with any fractional kHz rounded down in the case of
the non-240, non-480 line modes, or rounded up for the others. So,
25.20 / 1.001 => 25175
27.00 * 1.001 => 27027
74.25 / 1.001 => 74176
148.50 / 1.001 => 148352
DRM derives these rates from the EDID CEA mode identifiers, which are
looked up in the tables in drivers/gpu/drm/drm_edid.c. The values on
the right are the clock values found in these tables, and are
currently expected to be passed to the HDMI driver unchanged.
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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There's no need to be recursive when computing the N value for the ACR
packet - we can instead calculate the multiplier prior to our switch()
based lookup, and multiply the N value appropriately afterwards.
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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With multichannel audio, we need to allow larger buffer sizes to avoid
XRUNs during playback. Push the buffer size up to 1024K, but as we
maintain two buffers, ensure that the vmalloc buffer does not exceed
the userspace buffer size.
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add basic support for multi-channel PCM audio, with fixed speaker
mappings. This has been tested with an AV receiver, and appears to
work for low sample rates up to 8 channels.
It should be noted that multi-channel mode using the IEC958 alsa-lib
conversion plugin requires correct AES channel status for the AV
receiver to recognise the stream, especially the sample rate bits.
"Not identified" does not work there.
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Parse the ELD (EDID like data) stored from the HDMI driver to restrict
the sample rates and channels which are available to ALSA. This causes
the ALSA device to reflect the capabilities of the overall audio path,
not just what is supported at the HDMI source interface level.
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add ALSA based HDMI AHB audio driver for dw_hdmi. The only buffer
format supported by the hardware is its own special IEC958 based format,
which is not compatible with any ALSA format. To avoid doing too much
data manipulation within the driver, we support only ALSAs IEC958 LE and
24-bit PCM formats for 2 to 6 channels, which we convert to its hardware
format.
A more desirable solution would be to have this conversion in userspace,
but ALSA does not appear to allow such transformations outside of
libasound itself.
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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HDMI sinks are permitted to de-assert and re-assert the HPD signal to
indicate that their EDID has been updated, which may not involve a
change of video information.
An example of where such a situation can arise is when an AV receiver
is connected between the source and the display device. Events which
can cause the HPD to be deasserted include:
* turning on or switching to standby the AV receiver.
* turning on or switching to standby the display device.
Each of these can change the entire EDID data, or just a part of the
EDID data - it's up to the connected HDMI sink to do what they desire
here. For example
- with the AV receiver and display device both in standby, a source
connected to the AV receiver may provide its own EDID to the source.
- turning on the display device causes the display device's EDID to be
made available in an unmodified form to the source.
- subsequently turning on the AV receiver then provides a modified
version of the display device's EDID.
Moreover, HPD doesn't tell us whether something is actually listening
on the HDMI TDMS signals. The phy gives us a set of RXSENSE indications
which tell us whether there is a sink connected to the TMDS signals.
Currently, we use the HPD signal to enable or disable the HDMI block,
which is questionable when HPD is used in this manner. Using the
RXSENSE would be more appropriate, but there is some bad behaviour
which needs to be coped with. The iMX6 implementation lets the TMDS
signals float when the phy is "powered down", which cause spurious
interrupts. Rather than just using RXSENSE, use RXSENSE and HPD
becoming both active to signal the presence of a device, but loss
of RXSENSE to indicate that the device has been unplugged.
The side effect of this change is that a sink deasserting the HPD
signal to cause a re-read of the EDID data will not cause the bridge
to immediately disable the video signal.
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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When connected to HDMI sources, some DVI monitors de-assert their HPD
signal and TDMS loads for one seconds every four seconds when there is
no signal present on the connection.
Unfortunately, this behaviour is indistinguishable from a proper HDMI
setup with an AV receiver in the path to the display: the HDMI spec
requires us to detect HPD deassertions as short as 100ms, which indicate
that the EDID has changed.
Since it is possible to connect a DVI monitor to an AV receiver and then
to a HDMI source, merely working around this by detecting the lack of
HDMI vendor block in the EDID is insufficient - the AV receiver is at
liberty to modify the EDID as it sees fit, and it will place its own
parameters into the EDID including the HDMI vendor block.
DRM has support for forcing the state of a connector, which we should
implement to allow us to work around these broken DVI monitors - we can
tell DRM to force the connection state to indicate that there is always
a device connected to work around this problem. Although this requires
manual configuration, it is better than nothing at all.
When a forced connection state has been set, there is no point handling
our RXSENSE interrupts, so disable them in this circumstance.
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add support for interlaced video modes to the dw_hdmi bridge. This
mainly involves halving the vertical parameters to be programmed into
the bridge registers, and setting the interlace_allowed connector flag.
This brings working 1080i support. However, 480i and 576i fail to
work due to the lack of proper pixel repetition support, which is not
trivial to add due to the tabular PLL parameterisation. Hence, we
filter out these modes in our mode_valid() method.
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The support for interlaced video modes seems to be broken; we don't use
anything other than the vtotal/htotal from the timing information to
define the various sync counters.
Freescale patches for interlaced video support contain an alternative
sync counter setup, which we include here. This setup produces the
hsync and vsync via the normal counter 2 and 3, but moves the display
enable signal from counter 5 to counter 6. Therefore, we need to
change the display controller setup as well.
The corresponding Freescale patches for this change are:
iMX6-HDMI-support-interlaced-display-mode.patch
IPU-fine-tuning-the-interlace-display-timing-for-CEA.patch
This produces a working interlace format output from the IPU.
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Use a function to convert the sync pin to a bit mask for the DI_GENERAL
register, and move this out of the interlace/non-interlace path to the
common path.
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
Backmerge the drm-fixes pull from Linus's tree into drm-next.
This is to fix some conflicts and make future pulls cleaner
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git://anongit.freedesktop.org/drm-intel into drm-next
Another round of drm-misc. Unfortunately the DRM_UNLOCKED removal for
DRIVER_MODESET isn't complete yet for lack of review on 1-2 patches.
Otherwise just various stuff all over.
* tag 'topic/drm-misc-2015-10-08' of git://anongit.freedesktop.org/drm-intel:
drm: Stop using drm_vblank_count() as the hw frame counter
drm/irq: Use unsigned int pipe in public API
drm: Use DRM_ROTATE_MASK and DRM_REFLECT_MASK
drm: Add DRM_ROTATE_MASK and DRM_REFLECT_MASK
vga_switcheroo: Add missing locking
vgaarb: use kzalloc in vga_arbiter_add_pci_device()
drm: Don't zero vblank timestamps from the irq handler
drm: Hack around CONFIG_AGP=m build failures
drm/i915: Remove setparam ioctl
drm: Remove dummy agp ioctl wrappers
drm/vmwgfx: Stop checking for DRM_UNLOCKED
drm/drm_ioctl.c: kerneldoc
drm: Define a drm_invalid_op ioctl implementation
drm: Remove __OS_HAS_AGP
drm/doc: Update docs about device instance setup
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drm_vblank_count() returns the software counter. We should not pretend
it's the hw counter since we use the hw counter to figuere out what the
software counter value should be. So instead provide a new function
drm_vblank_no_hw_counter() for drivers that don't have a real hw
counter. The new function simply returns 0, which is about the only
thing it can do.
Cc: Vincent Abriou <vincent.abriou@st.com>
Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Vincent Abriou <vincent.abriou@st.com>
[danvet: s/int pipe/unsigned int pipe/ to follow Thierry's interface
change.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This continues the pattern started in commit cc1ef118fc09 ("drm/irq:
Make pipe unsigned and name consistent"). This is applied to the public
APIs and driver callbacks, so pretty much all drivers need to be updated
to match the new prototypes.
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Jianwei Wang <jianwei.wang.chn@gmail.com>
Cc: Alison Wang <alison.wang@freescale.com>
Cc: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: David Airlie <airlied@linux.ie>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Mark Yao <mark.yao@rock-chips.com>
Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Vincent Abriou <vincent.abriou@st.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Avoid magic numbers and use the introduced defines.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The following functions iterate over the client list, invoke client
callbacks or invoke handler callbacks without locking anything at all:
- Introduced by c8e9cf7bb240 ("vga_switcheroo: Add a helper function to
get the client state"):
vga_switcheroo_get_client_state()
- Introduced by 0d69704ae348 ("gpu/vga_switcheroo: add driver control
power feature. (v3)"):
vga_switcheroo_set_dynamic_switch()
vga_switcheroo_runtime_suspend()
vga_switcheroo_runtime_resume()
vga_switcheroo_runtime_resume_hdmi_audio()
Refactor vga_switcheroo_runtime_resume_hdmi_audio() a bit to be able to
release vgasr_mutex immediately after iterating over the client list.
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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If we couldn't get a high precisions vblank timestamp, we currently
store a zeroed timestamp instead and assume the next vblank irq to
get us something better. This makes sense when trying to update the
timestamp from eg. vblank enable. But if we do this from the vblank
irq we will never get a vblank timestamp unless we high precision
timestamps are available and succeeded. This break weston for instance
on drivers lacking high precision timestamps.
To fix this, zero the timestamp only when not called from vbl irq.
When called from the irq, we still want the timestamp, even if not
perfect.
This fixes a regression from
4dfd64862ff852df drm: Use vblank timestamps to guesstimate how many vblanks were missed
Cc: Mario Kleiner <mario.kleiner.de@gmail.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Reported-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Surprisingly kbuild can't cope with tristates in the
<module>-$(CONFIG_FOO) pattern. This patch hacks up a solution.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Michal Marek <mmarek@suse.com>
Cc: linux-kbuild@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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This was only used for the ums+gem combo, so ripe for removal now that
we only have kms code left.
v2: Drop fence_reg_start since it's now unused, noticed by Ville.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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drm core enforces now for DRIVER_MODESET that all ioctls are unlocked.
And all the old nasty ones from drm core aren't allowed for modern
drivers any more. Hence this is no longer needed.
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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As usual pull it into the drm docbook template, too. And again as
usual I've decided to only document stuff exported to drivers, so all
the old leftover markup from the shared drm repo days lost the magic
** signature.
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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And use it in radeon to replace all the ioctls no longer valid in kms
mode. I plan to also use this later on when nuking the ums support for
i915.
Note that setting the function pointer in the ioctl table to NULL
would amount to the same, but that results in some debug output from
the drm_ioctl() function. I've figured it's cleaner to have a
special-purpose function.
Cc: Alex Deucher <alexdeucher@gmail.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We already express the drm/agp depencies correctly in Kconfig, so we
can rip this remnant from the shared drm core days.
Aside: Pretty much all the #ifdefs in radeon/nouveau could be killed
if ttm would provide dummy functions. I'm not going to volunteer for
that though.
v2: Use IS_ENABLED(CONFIG_AGP) as suggested by Ville
v3: Polish from Ville's review.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com> (v2)
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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->load is deprecated, bus functions are deprecated and everyone
should use drm_dev_alloc®ister.
So update the .tmpl (and pull a bunch of the overview docs into the
sourcecode to increase chances that it'll stay in sync in the future)
and add notes to functions which are deprecated. I didn't bother to
clean up and document the unload sequence similarly since that one is
still a bit a mess: drm_dev_unregister does way too much,
drm_unplug_dev does what _unregister should be doing but then has the
complication of promising something it doesn't actually do (it doesn't
unplug existing open fds for instance, only prevents new ones).
Motivated since I don't want to hunt every new driver for usage of
drm_platform_init any more ;-)
v2: Reword the deprecation note for ->load a bit, using Laurent's
suggestion as an example (but making the wording a bit stronger even).
Fix spelling in commit message.
v3: More spelling fixes from Laurent.
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: David Herrmann <dh.herrmann@gmail.com>
Acked-by: David Herrmann <dh.herrmann@gmail.com> (v2)
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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