Comment from Ben: It's a bit unclear whether we need this dance still
on bdw.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
GEN8 now has a qword to code for 48bit addresses.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
It seems like it wouldn't be too unlikely to be wanting to use a an
expression in the macro argument and things could go very wrong.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Needs to happen after clock is running or it doesn't behave correctly.
v2: fix subject (Ville)
make it clearer that this occurs in pre_enable (Paulo)
misc bikesheds (Paulo)
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Allows sending of the null packets for conformance.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
We also do a disable later when we write a specific infoframe, but here
we do it to prevent sending a stale one before updating the infoframes.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
In case we end up bouncing these around between ports.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
We will have another use for the maximum watermark values that the
registers can hold. Pull those out into separate functions.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Even though the inactive pipes should have their watermarks set to all 0
with enable=true, we can possibly shave off a few cycles by completely
skipping the merge procedure for inactive pipes.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
intel_pipe_wm will be used to track the state in different stages
of the watermark update process. For that we need to keep a bit
more state in intel_pipe_wm.
We also need to separate the multi-pipe intel_wm_config computation
from ilk_compute_wm_parameters() as that one deals with the future
state, and we need the intel_wm_config to match the current hardware
state at the time we do the watermark merging for multiple pipes.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: Frob conflict.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
As we've learned over time, the HW context is just a series of GPU
commands that we're able to decode without any changes in
intel_error_decode. Since many bugs recently have been implicated in
the HW context state, it makes sense to dump the whole context object
in a form which can be parsed.
Sample:
render ring --- HW Context = 0x042db000
ringbuffer (render ring) at 0x0160c000; HEAD points to: 0x0160c000
0x0160c000: 0x00000000: MI_NOOP
0x0160c004: 0x00000000: MI_NOOP
0x0160c008: 0x00000000: MI_NOOP
0x0160c00c: 0x00000000: MI_NOOP
0x0160c010: 0x00000000: MI_NOOP
0x0160c014: 0x00000000: MI_NOOP
0x0160c018: 0x00000000: MI_NOOP
0x0160c01c: 0x00000000: MI_NOOP
Unfortunately, our decoder isn't quite smart enough to deal with the
variable length LRIs - but that is a tools problem.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
[danvet: Clarify commit message a bit, seems to have lost a few
crucial words.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
I opted to do this instead of grabbing the context reference after
eb_create since eb_create can potentially call the shrinker, and that
makes things very complicated. This simple patch balances the ref count
without requiring a great deal of review to make sure the shrinker path
is safe.
Theoretically (by design) the shrinker can end up destroying a context,
which enforces the reasoning for doing the fix this way instead of
moving the reference to later in the function.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Sprite LP2+ registers don't exist on ILK/SNB so don't read them.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
We don't do CPU access to GPU contexts so making the GPU access snoop
the CPU caches seems silly, and potentially expensive.
v2: Use !IS_VALLEYVIEW instead of HAS_LLC as this is really
about what the PTEs can represent.
Add a comment clarifying the situation.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
On Gen4+ platforms (except BDW), Render Cache Operational flush
cannot be enabled.
This WA is apparently required for all Gen4+ platforms,except BDW.
In BDW, the bit has been repurposed otherwise.
This has been tested only on vlv.
v2: Corrected the code regarding the wrong usage of
MASKED_BIT_DISABLE (Chris)
v3: Enhancing the scope of WA to Gen4+ platforms except BDW (Ville)
v4: Adding WA for g4x, crestline, broadwater (Ville)
Signed-off-by: Akash Goel <akash.goel@intel.com>
Signed-off-by: Sourab Gupta <sourab.gupta@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Backmerge drm-next after the big s/crtc->fb/crtc->primary->fb/
cocinelle patch to avoid endless amounts of conflict hilarity in my
-next queue for 3.16.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Loading cursors to the LCD controller's SRAM can be corrupted when the
configured pixel clock is relatively slow. This seems to be caused
when we write back-to-back to the SRAM registers.
There doesn't appear to be any status register we can read to check
when an access has completed.
Inserting a dummy read between the writes appears to fix the problem.
Cc: <stable@vger.kernel.org> # 3.13
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Merge window -fixes pull request as usual. Well, I did sneak in Jani's
drm_i915_private_t typedef removal, need to have fun with a big sed job
too ;-)
Otherwise:
- hdmi interlaced fixes (Jesse&Ville)
- pipe error/underrun/crc tracking fixes, regression in late 3.14-rc (but
not cc: stable since only really relevant for igt runs)
- large cursor wm fixes (Chris)
- fix gpu turbo boost/throttle again, was getting stuck due to vlv rps
patches (Chris+Imre)
- fix runtime pm fallout (Paulo)
- bios framebuffer inherit fix (Chris)
- a few smaller things
* tag 'drm-intel-fixes-2014-04-04' of git://anongit.freedesktop.org/drm-intel: (196 commits)
Skip intel_crt_init for Dell XPS 8700
drm/i915: vlv: fix RPS interrupt mask setting
Revert "drm/i915/vlv: fixup DDR freq detection per Punit spec"
drm/i915: move power domain init earlier during system resume
drm/i915: Fix the computation of required fb size for pipe
drm/i915: don't get/put runtime PM at the debugfs forcewake file
drm/i915: fix WARNs when reading DDI state while suspended
drm/i915: don't read cursor registers on powered down pipes
drm/i915: get runtime PM at i915_display_info
drm/i915: don't read pp_ctrl_reg if we're suspended
drm/i915: get runtime PM at i915_reg_read_ioctl
drm/i915: don't schedule force_wake_timer at gen6_read
drm/i915: vlv: reserve the GT power context only once during driver init
drm/i915: prefer struct drm_i915_private to drm_i915_private_t
drm/i915/overlay: prefer struct drm_i915_private to drm_i915_private_t
drm/i915/ringbuffer: prefer struct drm_i915_private to drm_i915_private_t
drm/i915/display: prefer struct drm_i915_private to drm_i915_private_t
drm/i915/irq: prefer struct drm_i915_private to drm_i915_private_t
drm/i915/gem: prefer struct drm_i915_private to drm_i915_private_t
drm/i915/dma: prefer struct drm_i915_private to drm_i915_private_t
...
Implement eDP support for Tegra124 and support the PRIME vmap()/vunmap()
operations.
A symbol that is required for upcoming V4L2 support is now exported by
the host1x driver.
Relicense drivers under the GPL v2 for consistency. One exception is the
public header file, which is relicensed under MIT to abide by the common
rule.
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Merge tag 'drm/tegra/for-3.15-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
drm/tegra: Changes for v3.15-rc1
Implement eDP support for Tegra124 and support the PRIME vmap()/vunmap()
operations.
A symbol that is required for upcoming V4L2 support is now exported by
the host1x driver.
Relicense drivers under the GPL v2 for consistency. One exception is the
public header file, which is relicensed under MIT to abide by the common
rule.
* tag 'drm/tegra/for-3.15-rc1' of git://anongit.freedesktop.org/tegra/linux:
drm/tegra: Use standard GPL v2 license text
drm/tegra: Relicense under GPL v2
drm/tegra: Relicense public header under MIT
drm/tegra: Add eDP support
gpu: host1x: export host1x_syncpt_incr_max() function
drm/tegra: prime: Add vmap support
Add support for a couple more simple panels. A few cleanups to the
simple panel driver are also included (gpiod interface conversion,
removal of redundant call to regulator_disable()).
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Merge tag 'drm/panel/for-3.15-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next
drm/panel: Changes for v3.15-rc1
Add support for a couple more simple panels. A few cleanups to the
simple panel driver are also included (gpiod interface conversion,
removal of redundant call to regulator_disable()).
* tag 'drm/panel/for-3.15-rc1' of git://anongit.freedesktop.org/tegra/linux:
drm/panel: add support for LG LD070WX3-SL01 panel
drm/panel: add support for LG LH500WX1-SD03 panel
drm/panel: simple: Allow DSI panels to provide mode flags
drm/panel: simple: Allow GPIO accesses to sleep
drm/panel: remove redundant regulator_disable()
drm/panel: use gpiod interface for enable GPIO
drm/panel: Add LG 12.9" LCD panel
MAINTAINERS: Add entry for DRM panel drivers
Conflicts:
MAINTAINERS
Pull request of 2014-04-04
The second vmwgfx pull request for the 3.15 merge window.
Contains a fbdev fix by Christopher Friedt, one fix for a locking order
violation introduced in 3.14 (hit when using queries) and finally a
removal of the DRM_AUTH requirement around some vmwgfx IOCTLS where the
caller is already required to have an open handle to the object.
* tag 'vmwgfx-next-2014-04-04' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: correct fb_fix_screeninfo.line_length
drm/vmwgfx: Remove authorization requirements around some more ioctls
drm/vmwgfx: Fix query buffer locking order violation
Pull request of 2014-04-04
Currently only a single patch fixing up mixed use of the ttm_bo_reserve and
ww_mutex APIs
* tag 'ttm-next-2014-04-04' of git://people.freedesktop.org/~thomash/linux:
drm/ttm: Hide the implementation details of reservation
If we get a msg.reply of REPLY_DEFER, we also get an err of 0
so we fail reads with 0 < size and return -EPROTO instead of trying
again.
v2: same fix in i2c code.
Found writing MST support.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This patch exports ptn3460_init function so that other modules
can call this function.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This patch removes MODULE_DEVICE_TABLE definition to of_device_id
of DP and MIPI-DSI drivers.
Eyxnos drm should be built as single module so these definitions
should be removed.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
The patch adds s6e8aa0 panel node for trats2.
It adds also trats2 specific properties for DSI
and regulator required by panel.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
The patch adds s6e8aa0 panel node for trats.
It adds also trats specific properties for DSI.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This is a common part of DSI node for all Exynos4 boards.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
The patch adds MIPI-DSI based S6E8AA0 AMOLED LCD panel driver.
Driver uses mipi_dsi bus to communicate with panel and exposes drm_panel
interface.
v2
- added bus error handling,
- set maxmimum DSI packet size on init,
- removed unsupported brightness drm_panel callbacks,
- minor improvements
v3
- switched to gpiod framework,
- minor fixes in error handling
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This patch replaces panel bindings for panel initialized by boot loader
with bindings to proper ld9040 panel.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
The patch adds LD9040 parallel RGB panel driver with SPI control interface.
The driver uses drm_panel framework.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
The patch adds driver for Exynos DSI master (DSIM). It is a platform driver
which is registered as exynos_drm_display sub-driver of exynos_drm framework
and implements DRM encoder/connector pair.
It is also MIPI-DSI host driver and provides DSI bus for panels.
It interacts with its panel(s) using drm_panel framework.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
The patch adds DT bindings for Exynos DSI Master. DSIM follows rules
for DSI bus host bindings [1].
Properties describes its resources: memory, interrupt, clocks,
phy, regulators, frequencies of clocks and video interfaces.
[1]: Documentation/devicetree/bindings/mipi/dsi/mipi-dsi-bus.txt
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This patch adds explicit check if there is a connector with
connected status before fbdev initialization. It prevents creation
of default fbdev 1024x768 which is unusable on panels with bigger resolutions.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
MIPI DSI host node can contain child nodes which are not DSI devices.
Checking for existence of reg property can be used to distinguish such nodes.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This patch adds flags field to mipi_dsi_msg structure and two flags:
- MIPI_DSI_MSG_REQ_ACK - request ACK from peripheral for given message,
- MIPI_DSI_MSG_USE_LPM - use Low Power Mode to transmit message.
The first flag is usually helpful during DSI diagnostic, the second
flag is required by some peripherals during configuration phase.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
The Dell XPS 8700 has a onboard Display port and HDMI port and no VGA port.
The call intel_crt_init freeze the machine, so skip such call.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=73559
Signed-off-by: Giacomo Comes <comes at naic.edu>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This typo may lead to missed RPS interrupts and as a result a too
low or too high frequency for the current workload. The interrupt mask
will be set properly at a subsequent GPU idle event, but can get
corrupted again at the next RPS up/down event.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
As per the inputs provided by hardware team we still use DDR
Rates as 0,1=800, 2=1066, 3=1333.
With this change, Turbo freqs used on current machines matches.
This reverts commit f64a28a7c5.
commit f64a28a7c5
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Mon Nov 4 16:07:00 2013 -0800
drm/i915/vlv: fixup DDR freq detection per Punit spec
v2: Add reference to previous commit which changed this. (Daniel)
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Deepak S <deepak.s@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
During resume the intel hda audio driver depends on the i915 driver
reinitializing the audio power domain. Since the order of calling the
i915 resume handler wrt. that of the audio driver is not guaranteed,
move the power domain reinitialization step to the resume_early
handler. This is guaranteed to run before the resume handler of any
other driver.
The power domain initialization in turn requires us to enable the i915
pci device first, so move that part earlier too.
Accordingly disabling of the i915 pci device should happen after the
audio suspend handler ran. So move the disabling later from the i915
resume handler to the resume_late handler.
v2:
- move intel_uncore_sanitize/early_sanitize earlier too, so they don't
get reordered wrt. intel_power_domains_init_hw()
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=76152
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Cc: stable@vger.kernel.org
[danvet: Add cc: stable and loud comments that this is just a hack.]
[danvet: Fix "Should it be static?" sparse warning reported by Wu
Fengguang's kbuilder.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Use the more canonical and concise variant of the GPL v2 license text.
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The majority of the code in this driver is licensed under the GPL v2, so
relicense the rest under GPL v2 as well for consistency.
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This file will eventually be exported to libdrm, where all the public
header files use the MIT license.
Reported-by: Erik Faye-Lund <kusmabite@gmail.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Emil Goode <emilgoode@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add support for eDP functionality found on Tegra124 and later SoCs. Only
fast link training is currently supported.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Damien Lespiau