Commit Graph

840500 Commits

Author SHA1 Message Date
Nicholas Kazlauskas
b232d4ed92 drm/amd/display: Only force modesets when toggling HDR
[Why]
We can issue HDR static metadata as part of stream updates for
non-modesets as long as we force a modeset when entering or exiting HDR.

This avoids unnecessary blanking for simple metadata updates.

[How]
When changing scaling and abm for the stream also check if HDR has
changed and send the stream update. This will only happen in non-modeset
cases.

Cc: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528190836.10738-3-nicholas.kazlauskas@amd.com
2019-06-03 10:23:10 -04:00
Nicholas Kazlauskas
88694af9e4 drm/amd/display: Expose HDR output metadata for supported connectors
[Why]
For userspace to send static HDR metadata to the display we need to
attach the property on the connector and send it to DC.

[How]
The property is attached to HDMI and DP connectors. Since the metadata
isn't actually available when creating the connector this isn't a
property we can dynamically support based on the extension block
being available or not.

When the HDR metadata is changed a modeset will be forced for now.
We need to switch from 8bpc to 10bpc in most cases anyway, and we want
to fully exit HDR mode when userspace gives us a NULL metadata, so this
isn't completely unnecessary.

The requirement can later be reduced to just entering and exiting HDR
or switching max bpc.

Cc: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528190836.10738-2-nicholas.kazlauskas@amd.com
2019-06-03 10:22:54 -04:00
Uma Shankar
cfc1ce7e52 drm: Fixed doc warnings in drm uapi header
Fixed doc warnings in drm uapi header. All the UAPI
structures are now documented in kernel doc.

Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1559159944-21103-4-git-send-email-uma.shankar@intel.com
2019-06-03 10:25:01 +02:00
Uma Shankar
848d56ddda drm: Drop a redundant unused variable
Drop a redundant and unused variable "hdr_output_metadata" from
drm_connector.

Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1559159944-21103-2-git-send-email-uma.shankar@intel.com
2019-06-03 10:11:37 +02:00
Daniel Vetter
e33df4ca87 drm/doc: More fine-tuning on userspace review requirements
With Eric's patch

commit ba6e798ecf
Author: Eric Anholt <eric@anholt.net>
Date:   Wed Apr 24 11:56:17 2019 -0700

    drm/doc: Document expectation that userspace review looks at kernel uAPI.

there's been concerns raised that we expect userspace people to do
in-depth kernel patch review. That's not reasonable, same way kernel
people can't review all the userspace we have. Try to clarify
expectations a bit more.

Cc: Eric Anholt <eric@anholt.net>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Cc: contact@emersion.fr
Cc: wayland-devel@lists.freedesktop.org
Acked-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Simon Ser <contact@emersion.fr>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190521084849.27452-1-daniel.vetter@ffwll.ch
2019-06-03 09:39:24 +02:00
Jyri Sarha
ff5781634c drm/bridge: sii902x: Implement HDMI audio support
Implement HDMI audio support by using ASoC HDMI codec. The commit
implements the necessary callbacks and configuration for the HDMI
codec and registers a virtual platform device for the codec to attach.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ef6895d016554b1e0c8b388d4993bcd6a3699341.1558964241.git.jsarha@ti.com
2019-05-31 15:57:19 +02:00
Jyri Sarha
3f18021f43 dt-bindings: display: sii902x: Add HDMI audio bindings
The sii902x chip family supports also HDMI audio. Add binding for
describing the necessary i2s and mclk wiring for it.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f790277fabc45f987f90075dd842368705226a84.1558964241.git.jsarha@ti.com
2019-05-31 15:57:19 +02:00
Jyri Sarha
9ed99f613f dt-bindings: display: sii902x: Remove trailing white space
Remove trailing white space from sii902x display bridge binding.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f1f2ef82c4e8ecea920c408bd4e569f5ed27d20a.1558964241.git.jsarha@ti.com
2019-05-31 15:57:19 +02:00
Jyri Sarha
8dbfc5b650 drm/bridge: sii902x: pixel clock unit is 10kHz instead of 1kHz
The pixel clock unit in the first two registers (0x00 and 0x01) of
sii9022 is 10kHz, not 1kHz as in struct drm_display_mode. Division by
10 fixes the issue.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1a2a8eae0b9d6333e7a5841026bf7fd65c9ccd09.1558964241.git.jsarha@ti.com
2019-05-31 15:57:19 +02:00
Jyri Sarha
bceee9bb89 drm/bridge: sii902x: Set output mode to HDMI or DVI according to EDID
Set output mode to HDMI or DVI according to EDID HDMI signature.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c42838073b83185a5cf9949caab3c70ee093b791.1558964241.git.jsarha@ti.com
2019-05-31 15:57:08 +02:00
Tomi Valkeinen
9fba099b7a drm/bridge: sii902x: add input_bus_flags
The driver always sets InputBusFmt:EDGE to 0 (falling edge).

Add drm_bridge_timings's input_bus_flags to reflect that the bridge
samples on falling edges.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/deb02a1fd508c514472a4e660092f301e6681361.1558964241.git.jsarha@ti.com
2019-05-31 15:55:30 +02:00
Tomi Valkeinen
423997fffe dt-bindings: tc358767: add HPD support
Add DT property for defining the pin used for HPD.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: devicetree@vger.kernel.org
Cc: Rob Herring <robh@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-25-tomi.valkeinen@ti.com
2019-05-31 15:41:31 +02:00
Tomi Valkeinen
f25ee5017e drm/bridge: tc358767: add IRQ and HPD support
Add support for interrupt and hotplug handling. Both are optional.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-24-tomi.valkeinen@ti.com
2019-05-31 15:41:31 +02:00
Tomi Valkeinen
af9526f262 drm/bridge: tc358767: add GPIO & interrupt registers
Add GPIO and interrupt related registers for HPD work. Mark INTSTS_G and
GPIOI as volatile.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-23-tomi.valkeinen@ti.com
2019-05-31 15:41:30 +02:00
Tomi Valkeinen
3231573065 drm/bridge: tc358767: read display_props in get_modes()
We need to know the link bandwidth to filter out modes we cannot
support, so we need to have read the display props before doing the
filtering.

To ensure we have up to date display props, call tc_get_display_props()
in the beginning of tc_connector_get_modes().

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-22-tomi.valkeinen@ti.com
2019-05-31 15:41:29 +02:00
Tomi Valkeinen
46648a3cec drm/bridge: tc358767: copy the mode data, instead of storing the pointer
In tc_bridge_mode_set callback, we store the pointer to the given
drm_display_mode, and use the mode later. Storing a pointer in such a
way looks very suspicious to me, and I have observed odd issues where
the timings were apparently (at least mostly) zero.

Do a copy of the drm_display_mode instead to ensure we don't refer to
freed/modified data.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-21-tomi.valkeinen@ti.com
2019-05-31 15:41:29 +02:00
Tomi Valkeinen
0cdb42f313 drm/bridge: tc358767: remove tc_connector_best_encoder
drm_connector_helper_funcs.best_encoder is only needed when the
connector can have more than one encoder, and that is never the case
here.

So remove tc_connector_best_encoder.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-20-tomi.valkeinen@ti.com
2019-05-31 15:41:28 +02:00
Tomi Valkeinen
4647a64fd5 drm/bridge: tc358767: use bridge mode_valid
We have tc_connector_mode_valid() to filter out videomdoes that the
tc358767 cannot support. As it is a bridge limitation, change the code
to use drm_bridge_funcs's mode_valid instead.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-19-tomi.valkeinen@ti.com
2019-05-31 15:41:27 +02:00
Tomi Valkeinen
2792c152a8 drm/bridge: tc358767: remove check for video mode in link enable
tc_main_link_enable() checks if videomode has been set, and fails if
there's no videomode. As tc_main_link_enable() no longer depends on the
videomode, we can drop the check.

Also, while tc_stream_enable() does depend on the videomode, we can
expect that a mode has been set before drm_bridge_funcs.enable is
called, so we don't need the check there either.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-18-tomi.valkeinen@ti.com
2019-05-31 15:41:26 +02:00
Tomi Valkeinen
f953835776 drm/bridge: tc358767: clean-up link training
The current link training code does unnecessary retry-loops, and does
extra writes to the registers. It is easier to follow the flow and
ensure it's similar to Toshiba's documentation if we deal with LT inside
tc_main_link_enable() function.

This patch adds tc_wait_link_training() which handles waiting for the LT
phase to finish, and does the necessary LT register setups in
tc_main_link_enable, without extra loops.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-17-tomi.valkeinen@ti.com
2019-05-31 15:41:26 +02:00
Tomi Valkeinen
0bf2514651 drm/bridge: tc358767: cleanup LT result check
The driver has a loop after ending link training, where it reads the
DPCD link status and prints an error if that status is not ok.

The loop is unnecessary, as far as I can understand from DP specs, so
let's remove it. We can also print the more specific errors to help
debugging.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-16-tomi.valkeinen@ti.com
2019-05-31 15:41:25 +02:00
Tomi Valkeinen
0776a269d7 drm/bridge: tc358767: use more reliable seq when finishing LT
At the end of the link training, two steps have to be taken: 1)
tc358767's LT mode is disabled by a write to DP0_SRCCTRL, and 2) Remove
LT flag in DPCD 0x102.

Toshiba's documentation tells to first write the DPCD, then modify
DP0_SRCCTRL. In my testing this often causes issues, and the link
disconnects right after those steps.

If I reverse the steps, it works every time. There's a chance that this
is DP sink specific, though, but as my testing shows this sequence to be
much more reliable, let's change it.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-15-tomi.valkeinen@ti.com
2019-05-31 15:41:24 +02:00
Tomi Valkeinen
31b4c8848a drm/bridge: tc358767: remove unnecessary msleep
For some reason the driver has a msleep(100) after writing to
DP_PHY_CTRL. Toshiba's documentation doesn't suggest any delay is
needed, and I have not seen any issues with the sleep removed.

Drop it, as msleep(100) is a rather big one.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-14-tomi.valkeinen@ti.com
2019-05-31 15:41:24 +02:00
Tomi Valkeinen
67bca92fa8 drm/bridge: tc358767: ensure DP is disabled before LT
Link training will sometimes fail if the DP link is enabled when
tc_main_link_enable() is called. The driver makes sure the DP link is
disabled when the DP output is disabled, and we never enable the DP
without first disabling it, so this should never happen.

However, as the HW behavior seems to be somewhat random if DP link has
erroneously been left enabled, let's add a WARN_ON() for the case and
set DP0CTL to 0.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-13-tomi.valkeinen@ti.com
2019-05-31 15:41:23 +02:00
Tomi Valkeinen
1c928267b1 drm/bridge: tc358767: disable only video stream in tc_stream_disable
Currently the code writes 0 to DP0CTL in tc_stream_disable(), which
disables the whole DP link instead of just the video stream. We always
disable the link and the stream together from tc_bridge_disable(), so
this doesn't cause any issues.

Nevertheless, fix this by only clearing VID_EN in tc_stream_disable to
stop the video stream while keeping the link enabled.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-12-tomi.valkeinen@ti.com
2019-05-31 15:41:22 +02:00
Tomi Valkeinen
cb3263b2df drm/bridge: tc358767: add link disable function
Currently we have tc_main_link_setup(), which configures and enabled the
link, but we have no counter-part for disabling the link.

Add tc_main_link_disable, and rename tc_main_link_setup to
tc_main_link_enable.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-11-tomi.valkeinen@ti.com
2019-05-31 15:41:22 +02:00
Tomi Valkeinen
bb24836869 drm/bridge: tc358767: move PXL PLL enable/disable to stream enable/disable
We set up the PXL PLL inside tc_main_link_setup. This is unnecessary,
and makes tc_main_link_setup depend on the video-mode, which should not
be the case. As PXL PLL is used only for the video stream (and only when
using the HW test pattern), let's move the PXL PLL setup into
tc_stream_enable.

Also, currently the PXL PLL is only disabled if the driver if removed.
Let's disable the PXL PLL when the stream is disabled.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-10-tomi.valkeinen@ti.com
2019-05-31 15:41:21 +02:00
Tomi Valkeinen
80d5724506 drm/bridge: tc358767: split stream enable/disable
It is nicer to have enable/disable functions instead of set(bool enable)
style function.

Split tc_main_link_stream into tc_stream_enable and tc_stream_disable.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-9-tomi.valkeinen@ti.com
2019-05-31 15:41:20 +02:00
Tomi Valkeinen
5761a259aa drm/bridge: tc358767: move video stream setup to tc_main_link_stream
The driver currently sets the video stream registers in
tc_main_link_setup. One should be able to establish the DP link without
any video stream, so a more logical place is to configure the stream in
the tc_main_link_stream. So move them there.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-8-tomi.valkeinen@ti.com
2019-05-31 15:41:20 +02:00
Tomi Valkeinen
ca342386a9 drm/bridge: tc358767: cleanup aux_link_setup
The driver sets up AUX link at probe time, but, for some reason, also
sets the main link's number of lanes using tc->link.base.num_lanes. This
is not needed nor correct, as the number of lanes has not been decided
yet. The number of lanes will be set later during main link setup.

Modify aux_link_setup so that it does not use tc->link, and thus makes
aux setup independent of the link probing.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-7-tomi.valkeinen@ti.com
2019-05-31 15:41:19 +02:00
Tomi Valkeinen
ab947eb65a drm/bridge: tc358767: remove unused swing & preemp
swing and preemp fields are not used. Remove them.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-6-tomi.valkeinen@ti.com
2019-05-31 15:41:18 +02:00
Tomi Valkeinen
e5607637c4 drm/bridge: tc358767: cleanup spread & scrambler_dis
Minor cleanups:
- Use bool for boolean fields
- Use DP_MAX_DOWNSPREAD_0_5 instead of BIT(0)
- debug print down-spread and scrambler status

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-5-tomi.valkeinen@ti.com
2019-05-31 15:41:18 +02:00
Tomi Valkeinen
4b30bf41e1 drm/bridge: tc358767: fix ansi 8b10b use
DP always uses ANSI 8B10B encoding. Some monitors (old?) may not have
the ANSI 8B10B bit set in DPCD, even if it should always be set.

The tc358767 driver currently respects that flag, and turns the encoding
off if the monitor does not have the bit set, which then results in the
monitor not working.

This patch makes the driver to always use ANSI 8B10B encoding, and drops
the 'coding8b10b' field which is no longer used.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-4-tomi.valkeinen@ti.com
2019-05-31 15:41:17 +02:00
Tomi Valkeinen
c28d14849d drm/bridge: tc358767: reset voltage-swing & pre-emphasis
We need to reset DPCD voltage-swing & pre-emphasis before starting the
link training, as otherwise tc358767 will use the previous values as
minimums.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-3-tomi.valkeinen@ti.com
2019-05-31 15:41:16 +02:00
Tomi Valkeinen
bfb6e014c4 drm/bridge: tc358767: fix tc_aux_get_status error handling
tc_aux_get_status() does not report AUX_TIMEOUT correctly, as it only
checks the AUX_TIMEOUT if aux is still busy. Fix this by always checking
for AUX_TIMEOUT.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-2-tomi.valkeinen@ti.com
2019-05-31 15:41:15 +02:00
Maxime Ripard
c25b84c008
dt-bindings: display: Convert Allwinner DSI to a schema
The Allwinner SoCs have a MIPI-DSI and MIPI-D-PHY controllers supported in
Linux, with a matching Device Tree binding.

Now that we have the DT validation in place, let's convert the device tree
bindings for that controller over to a YAML schemas.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190527120910.18964-1-maxime.ripard@bootlin.com
2019-05-30 20:52:31 +02:00
Imre Deak
d8fd372220 drm/mst: Fix MST sideband up-reply failure handling
Fix the breakage resulting in the stacktrace below, due to tx queue
being full when trying to send an up-reply. txmsg->seqno is -1 in this
case leading to a corruption of the mstb object by

	txmsg->dst->tx_slots[txmsg->seqno] = NULL;

in process_single_up_tx_qlock().

[  +0,005162] [drm:process_single_tx_qlock [drm_kms_helper]] set_hdr_from_dst_qlock: failed to find slot
[  +0,000015] [drm:drm_dp_send_up_ack_reply.constprop.19 [drm_kms_helper]] failed to send msg in q -11
[  +0,000939] BUG: kernel NULL pointer dereference, address: 00000000000005a0
[  +0,006982] #PF: supervisor write access in kernel mode
[  +0,005223] #PF: error_code(0x0002) - not-present page
[  +0,005135] PGD 0 P4D 0
[  +0,002581] Oops: 0002 [#1] PREEMPT SMP NOPTI
[  +0,004359] CPU: 1 PID: 1200 Comm: kworker/u16:3 Tainted: G     U            5.2.0-rc1+ #410
[  +0,008433] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.3175.A00.1904261428 04/26/2019
[  +0,013323] Workqueue: i915-dp i915_digport_work_func [i915]
[  +0,005676] RIP: 0010:queue_work_on+0x19/0x70
[  +0,004372] Code: ff ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 41 56 49 89 f6 41 55 41 89 fd 41 54 55 53 48 89 d3 9c 5d fa e8 e7 81 0c 00 <f0> 48 0f ba 2b 00 73 31 45 31 e4 f7 c5 00 02 00 00 74 13 e8 cf 7f
[  +0,018750] RSP: 0018:ffffc900007dfc50 EFLAGS: 00010006
[  +0,005222] RAX: 0000000000000046 RBX: 00000000000005a0 RCX: 0000000000000001
[  +0,007133] RDX: 000000000001b608 RSI: 0000000000000000 RDI: ffffffff82121972
[  +0,007129] RBP: 0000000000000202 R08: 0000000000000000 R09: 0000000000000001
[  +0,007129] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88847bfa5096
[  +0,007131] R13: 0000000000000010 R14: ffff88849c08f3f8 R15: 0000000000000000
[  +0,007128] FS:  0000000000000000(0000) GS:ffff88849dc80000(0000) knlGS:0000000000000000
[  +0,008083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  +0,005749] CR2: 00000000000005a0 CR3: 0000000005210006 CR4: 0000000000760ee0
[  +0,007128] PKRU: 55555554
[  +0,002722] Call Trace:
[  +0,002458]  drm_dp_mst_handle_up_req+0x517/0x540 [drm_kms_helper]
[  +0,006197]  ? drm_dp_mst_hpd_irq+0x5b/0x9c0 [drm_kms_helper]
[  +0,005764]  drm_dp_mst_hpd_irq+0x5b/0x9c0 [drm_kms_helper]
[  +0,005623]  ? intel_dp_hpd_pulse+0x205/0x370 [i915]
[  +0,005018]  intel_dp_hpd_pulse+0x205/0x370 [i915]
[  +0,004836]  i915_digport_work_func+0xbb/0x140 [i915]
[  +0,005108]  process_one_work+0x245/0x610
[  +0,004027]  worker_thread+0x37/0x380
[  +0,003684]  ? process_one_work+0x610/0x610
[  +0,004184]  kthread+0x119/0x130
[  +0,003240]  ? kthread_park+0x80/0x80
[  +0,003668]  ret_from_fork+0x24/0x50

Cc: Lyude Paul <lyude@redhat.com>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190523212433.9058-1-imre.deak@intel.com
2019-05-29 20:12:34 +03:00
Andrey Grodzovsky
d0f29d4980 drm/sched: Fix make htmldocs warnings.
Document the missing parameters.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1559140180-6762-1-git-send-email-andrey.grodzovsky@amd.com
2019-05-29 11:49:51 -05:00
Sam Ravnborg
cb23eae3ec drm/panel: drop drmP.h usage
Drop use of the deprecated drmP.h header file.

While touching the list of include files:
- Divide include files in blocks of linux/* video/* drm/* etc.
  Be consistent in the order of the blocks
- Sort individual blocks of include files

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Stefan Mavrodiev <stefan@olimex.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190526180532.1641-3-sam@ravnborg.org
2019-05-28 17:14:53 +02:00
Sam Ravnborg
90fd6ba63a drm/panel: panel-innolux: drop unused variable
The num_supplies variable is not used, delete it.
Build tested.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190526180532.1641-2-sam@ravnborg.org
2019-05-28 17:14:53 +02:00
Maarten Lankhorst
4672b1d65f Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
This picks up rc2 for us as well.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
2019-05-28 09:39:08 +02:00
Benjamin Gaignard
cf57fdc8e4 drm/stm: ltdc: restore calls to clk_{enable/disable}
Restore calls to clk_{enable/disable} deleted after applying the wrong
version of the patch

Fixes: fd6905fca4 ("drm/stm: ltdc: remove clk_round_rate comment")

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Acked-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190527115830.15836-1-benjamin.gaignard@st.com
2019-05-28 09:21:34 +02:00
Fabio Estevam
fd86575fe5 drm/damage-helper: Use NULL instead of 0
The 'clips' member is a pointer, so assign NULL instead of 0.

This fixes the following sparse warning:

drivers/gpu/drm/drm_damage_helper.c:289:31: warning: Using plain integer as NULL pointer

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190527183714.11168-1-festevam@gmail.com
2019-05-28 09:03:06 +02:00
Dave Airlie
14ee642c2a Features:
- Engine discovery query (Tvrtko)
 - Support for DP YCbCr4:2:0 outputs (Gwan-gyeong)
 - HDCP revocation support, refactoring (Ramalingam)
 - Remove DRM_AUTH from IOCTLs which also have DRM_RENDER_ALLOW (Christian König)
 - Asynchronous display power disabling (Imre)
 - Perma-pin uC firmware and re-enable global reset (Fernando)
 - GTT remapping for display, for bigger fb size and stride (Ville)
 - Enable pipe HDR mode on ICL if only HDR planes are used (Ville)
 - Kconfig to tweak the busyspin durations for i915_wait_request (Chris)
 - Allow multiple user handles to the same VM (Chris)
 - GT/GEM runtime pm improvements using wakerefs (Chris)
 - Gen 4&5 render context support (Chris)
 - Allow userspace to clone contexts on creation (Chris)
 - SINGLE_TIMELINE flags for context creation (Chris)
 - Allow specification of parallel execbuf (Chris)
 
 Refactoring:
 - Header refactoring (Jani)
 - Move GraphicsTechnology files under gt/ (Chris)
 - Sideband code refactoring (Chris)
 
 Fixes:
 - ICL DSI state readout and checker fixes (Vandita)
 - GLK DSI picture corruption fix (Stanislav)
 - HDMI deep color fixes (Clinton, Aditya)
 - Fix driver unbinding from a device in use (Janusz)
 - Fix clock gating with pipe scaling (Radhakrishna)
 - Disable broken FBC on GLK (Daniel Drake)
 - Miscellaneous GuC fixes (Michal)
 - Fix MG PHY DP register programming (Imre)
 - Add missing combo PHY lane power setup (Imre)
 - Workarounds for early ICL VBT issues (Imre)
 - Fix fastset vs. pfit on/off on HSW EDP transcoder (Ville)
 - Add readout and state check for pch_pfit.force_thru (Ville)
 - Miscellaneous display fixes and refactoring (Ville)
 - Display workaround fixes (Ville)
 - Enable audio even if ELD is bogus (Ville)
 - Fix use-after-free in reporting create.size (Chris)
 - Sideband fixes to avoid BYT hard lockups (Chris)
 - Workaround fixes and improvements (Chris)
 
 Maintainer shortcomings:
 - Failure to adequately describe and give credit for all changes (Jani)
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Merge tag 'drm-intel-next-2019-05-24' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Features:
- Engine discovery query (Tvrtko)
- Support for DP YCbCr4:2:0 outputs (Gwan-gyeong)
- HDCP revocation support, refactoring (Ramalingam)
- Remove DRM_AUTH from IOCTLs which also have DRM_RENDER_ALLOW (Christian König)
- Asynchronous display power disabling (Imre)
- Perma-pin uC firmware and re-enable global reset (Fernando)
- GTT remapping for display, for bigger fb size and stride (Ville)
- Enable pipe HDR mode on ICL if only HDR planes are used (Ville)
- Kconfig to tweak the busyspin durations for i915_wait_request (Chris)
- Allow multiple user handles to the same VM (Chris)
- GT/GEM runtime pm improvements using wakerefs (Chris)
- Gen 4&5 render context support (Chris)
- Allow userspace to clone contexts on creation (Chris)
- SINGLE_TIMELINE flags for context creation (Chris)
- Allow specification of parallel execbuf (Chris)

Refactoring:
- Header refactoring (Jani)
- Move GraphicsTechnology files under gt/ (Chris)
- Sideband code refactoring (Chris)

Fixes:
- ICL DSI state readout and checker fixes (Vandita)
- GLK DSI picture corruption fix (Stanislav)
- HDMI deep color fixes (Clinton, Aditya)
- Fix driver unbinding from a device in use (Janusz)
- Fix clock gating with pipe scaling (Radhakrishna)
- Disable broken FBC on GLK (Daniel Drake)
- Miscellaneous GuC fixes (Michal)
- Fix MG PHY DP register programming (Imre)
- Add missing combo PHY lane power setup (Imre)
- Workarounds for early ICL VBT issues (Imre)
- Fix fastset vs. pfit on/off on HSW EDP transcoder (Ville)
- Add readout and state check for pch_pfit.force_thru (Ville)
- Miscellaneous display fixes and refactoring (Ville)
- Display workaround fixes (Ville)
- Enable audio even if ELD is bogus (Ville)
- Fix use-after-free in reporting create.size (Chris)
- Sideband fixes to avoid BYT hard lockups (Chris)
- Workaround fixes and improvements (Chris)

Maintainer shortcomings:
- Failure to adequately describe and give credit for all changes (Jani)

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

From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87sgt3n45z.fsf@intel.com
2019-05-28 09:26:52 +10:00
Dave Airlie
88cd7a2c1b drm-misc-next for v5.3, try #2:
Cross-subsystem Changes:
 - Fix device tree bindings in drm-misc-next after a botched merge.
 
 Core Changes:
 - Docbook fix for drm_hdmi_infoframe_set_hdr_metadata.
 
 Driver Changes:
 - mediatek: Fix compiler warning after merging the HDR series.
 - vc4: Rework binner bo handling.
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Merge tag 'drm-misc-next-2019-05-24' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.3, try #2:

UAPI Changes:
- Add HDR source metadata property.
- Make drm.h compile on GNU/kFreeBSD by including stdint.h
- Clarify how the userspace reviewer has to review new kernel UAPI.
- Clarify that for using new UAPI, merging to drm-next or drm-misc-next should be enough.

Cross-subsystem Changes:
- video/hdmi: Add unpack function for DRM infoframes.
- Device tree bindings:
  * Updating a property for Mali Midgard GPUs
  * Updating a property for STM32 DSI panel
  * Adding support for FriendlyELEC HD702E 800x1280 panel
  * Adding support for Evervision VGG804821 800x480 5.0" WVGA TFT panel
  * Adding support for the EDT ET035012DM6 3.5" 320x240 QVGA 24-bit RGB TFT.
  * Adding support for Three Five displays TFC S9700RTWV43TR-01B 800x480 panel
    with resistive touch found on TI's AM335X-EVM.
  * Adding support for EDT ETM0430G0DH6 480x272 panel.
- Add OSD101T2587-53TS driver with DT bindings.
- Add Samsung S6E63M0 panel driver with DT bindings.
- Add VXT VL050-8048NT-C01 800x480 panel with DT bindings.
- Dma-buf:
  - Make mmap callback actually optional.
  - Documentation updates.
  - Fix debugfs refcount inbalance.
  - Remove unused sync_dump function.
- Fix device tree bindings in drm-misc-next after a botched merge.

Core Changes:
- Add support for HDR infoframes and related EDID parsing.
- Remove prime sg_table caching, now done inside dma-buf.
- Add shiny new drm_gem_vram helpers for simple VRAM drivers;
  with some fixes to the new API on top.
- Small fix to job cleanup without timeout handler.
- Documentation fixes to drm_fourcc.
- Replace lookups of drm_format with struct drm_format_info;
  remove functions that become obsolete by this conversion.
- Remove double include in bridge/panel.c and some drivers.
- Remove drmP.h include from drm/edid and drm/dp.
- Fix null pointer deref in drm_fb_helper_hotplug_event().
- Remove most members from drm_fb_helper_crtc, only mode_set is kept.
- Remove race of fb helpers with userspace; only restore mode
  when userspace is not master.
- Move legacy setup from drm_file.c to drm_legacy_misc.c
- Rework scheduler job destruction.
- drm/bus was removed, remove from TODO.
- Add __drm_atomic_helper_crtc_reset() to subclass crtc_state,
  and convert some drivers to use it (conversion is not complete yet).
- Bump vblank timeout wait to 100 ms for atomic.
- Docbook fix for drm_hdmi_infoframe_set_hdr_metadata.

Driver Changes:
- sun4i: Use DRM_GEM_CMA_VMAP_DRIVER_OPS instead of definining manually.
- v3d: Small cleanups, adding support for compute shaders,
       reservation/synchronization fixes and job management refactoring,
       fixes MMU and debugfs.
- lima: Fix null pointer in irq handler on startup, set default timeout for scheduled jobs.
- stm/ltdc: Assorted fixes and adding FB modifier support.
- amdgpu: Avoid hw reset if guilty job was already signaled.
- virtio: Add seqno to fences, add trace events, use correct flags for fence allocation.
- Convert AST, bochs, mgag200, vboxvideo, hisilicon to the new drm_gem_vram API.
- sun6i_mipi_dsi: Support DSI GENERIC_SHORT_WRITE_2 transfers.
- bochs: Small fix to use PTR_RET_OR_ZERO and driver unload.
- gma500: header fixes
- cirrus: Remove unused files.
- mediatek: Fix compiler warning after merging the HDR series.
- vc4: Rework binner bo handling.

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

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/052875a5-27ba-3832-60c2-193d950afdff@linux.intel.com
2019-05-28 08:59:11 +10:00
Sam Ravnborg
0500c04ea1 drm: drop use of drmP.h in drm/*
The use of the drmP.h header file is deprecated.
Remove use from all files in drm/*
so people do not look there and follow a bad example.

Build tested allyesconfig,allmodconfig on x86, arm etc.
Including alpha that is as always more challenging than
the rest.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Sean Paul <sean@poorly.run>
Cc: David Airlie <airlied@linux.ie>
Link: https://patchwork.freedesktop.org/patch/msgid/20190526173535.32701-8-sam@ravnborg.org
2019-05-27 18:07:03 +02:00
Sam Ravnborg
34112deddb drm: make drm_trace.h self-contained
Do not require users of drm_trace.h to include other
files just to let it build

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Sean Paul <sean@poorly.run>
Cc: David Airlie <airlied@linux.ie>
Link: https://patchwork.freedesktop.org/patch/msgid/20190526173535.32701-7-sam@ravnborg.org
2019-05-27 18:06:54 +02:00
Sam Ravnborg
b8d1148892 drm: make drm_legacy.h self-contained
Do not require users of drm_legacy.h to include other
files just to let it build

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Sean Paul <sean@poorly.run>
Cc: David Airlie <airlied@linux.ie>
Link: https://patchwork.freedesktop.org/patch/msgid/20190526173535.32701-6-sam@ravnborg.org
2019-05-27 18:06:47 +02:00
Sam Ravnborg
7a44fdce42 drm: make drm_internal.h self-contained
Do not require users of drm_internal.h to include other
files just to let it build

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Sean Paul <sean@poorly.run>
Cc: David Airlie <airlied@linux.ie>
Link: https://patchwork.freedesktop.org/patch/msgid/20190526173535.32701-5-sam@ravnborg.org
2019-05-27 18:06:39 +02:00
Sam Ravnborg
1dccccba19 drm: make drm_crtc_internal.h self-contained
Do not require users of drm_crtc_internal.h to include other
files just to let it build

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Sean Paul <sean@poorly.run>
Cc: David Airlie <airlied@linux.ie>
Link: https://patchwork.freedesktop.org/patch/msgid/20190526173535.32701-4-sam@ravnborg.org
2019-05-27 18:06:27 +02:00