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Author SHA1 Message Date
Daniel Vetter
82bbec189a Linux 6.3-rc4
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Merge v6.3-rc4 into drm-next

I just landed the fence deadline PR from Rob that a bunch of drivers
want/need to apply driver-specific patches. Backmerge -rc4 so that
they don't have to be stuck on -rc2 for no reason at all.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2023-03-29 16:00:23 +02:00
Thomas Zimmermann
b3c9a04135 Merge drm/drm-fixes into drm-misc-fixes
Backmerging to get latest upstream.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2023-03-13 10:14:05 +01:00
Johan Hovold
4d8457fe0e drm/edid: fix info leak when failing to get panel id
Make sure to clear the transfer buffer before fetching the EDID to
avoid leaking slab data to the logs on errors that leave the buffer
unchanged.

Fixes: 69c7717c20 ("drm/edid: Dump the EDID when drm_edid_get_panel_id() has an error")
Cc: stable@vger.kernel.org	# 6.2
Cc: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230302074704.11371-1-johan+linaro@kernel.org
2023-03-02 10:27:17 -08:00
Ville Syrjälä
ca62297b20 drm/edid: Fix csync detailed mode parsing
Remove the bogus csync check and replace it with something that:
- triggers for all forms of csync, not just the basic analog variant
- actually populates the mode csync flags so that drivers can
  decide what to do with the mode

Originally the code tried to outright reject csync, but that
apparently broke some bogus LCD monitor that claimed to have
a detailed mode that uses analog csync, despite also claiming
the monitor only support separate sync:
https://bugzilla.redhat.com/show_bug.cgi?id=540024
Potentially that monitor should just be quirked or something.

Anyways, what we are dealing with now is some kind of funny i915
JSL machine with eDP where the panel claims to support a sensible
60Hz separate sync mode, and a 50Hz mode with bipolar analog
csync. The 50Hz mode does not work so we want to not use it.
Easiest way is to just correctly flag it as csync and the driver
will reject it.

TODO: or should we just reject any form of csync (or at least
the analog variants) for digital display interfaces?

v2: Grab digital csync polarity from hsync polarity bit (Jani)

Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8146
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230228213610.26283-1-ville.syrjala@linux.intel.com
2023-03-01 14:33:15 +02:00
Jani Nikula
c5a486af9d drm/edid: parse Tiled Display Topology Data Block for DisplayID 2.0
Currently we only parse the Tiled Display Topology Data Block for
DisplayID structure version 1.2, but not 2.0. The contents seem to be
the same for both, so expand the parsing to structure version 2.0.

Note that DisplayID spec version is not the same as DisplayID structure
version; DisplayID 1.3 uses structure version 1.2, and DisplayID 2.0-2.1
use structure version 2.0. Lovely.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230217104627.1360015-1-jani.nikula@intel.com
2023-02-27 02:58:38 +03:00
Jani Nikula
217a8c63df drm/edid: update non-desktop use also from DisplayID
Use the DisplayID 2.0 primary use case information to deduce whether
this is a head-mounted display, and should not be used for desktop.

Cc: Iaroslav Boliukin <iam@lach.pw>
Cc: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> # HTC VIVE Pro 2
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/de75b2edddd7d30216e4dd5699a064dc737688f5.1676580180.git.jani.nikula@intel.com
2023-02-27 02:58:38 +03:00
Jani Nikula
b494d6283d drm/edid: remove redundant _drm_connector_update_edid_property()
Realize that drm_edid_connector_update() and
_drm_connector_update_edid_property() are now the same thing. Drop the
latter.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/712cc299afe33d8f6279a15d5b0117aeeab88bb4.1674144945.git.jani.nikula@intel.com
2023-01-23 11:46:50 +02:00
Jani Nikula
c533b5167c drm/edid: add separate drm_edid_connector_add_modes()
The original goal with drm_edid_connector_update() was to have a single
call for updating the connector and adding probed modes, in this order,
but that turned out to be problematic. Drivers that need to update the
connector in the .detect() callback would end up updating the probed
modes as well. Turns out the callback may be called so many times that
the probed mode list fills up without bounds, and this is amplified by
add_alternate_cea_modes() duplicating the CEA modes on every call,
actually running out of memory on some machines.

Kudos to Imre Deak <imre.deak@intel.com> for explaining this to me.

Go back to having separate drm_edid_connector_update() and
drm_edid_connector_add_modes() calls. The former may be called from
.detect(), .force(), or .get_modes(), but the latter only from
.get_modes().

Unlike drm_add_edid_modes(), have drm_edid_connector_add_modes() update
the probed modes from the EDID property instead of the passed in
EDID. This is mainly to enforce two things:

1) drm_edid_connector_update() must be called before
   drm_edid_connector_add_modes().

   Display info and quirks are needed for parsing the modes, and we
   don't want to call update_display_info() again to ensure the info is
   available, like drm_add_edid_modes() does.

2) The same EDID is used for both updating the connector and adding the
   probed modes.

Fortunately, the change is easy, because no driver has actually adopted
drm_edid_connector_update(). Not even i915, and that's mainly because of
the problem described above.

Cc: Imre Deak <imre.deak@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e86fff1579f14ebf6334692526c8f6831cd02cac.1674144945.git.jani.nikula@intel.com
2023-01-23 11:46:47 +02:00
Jani Nikula
e8b1f0d4b6 drm/edid: refactor _drm_edid_connector_update() and rename
By moving update_display_info() out of _drm_edid_connector_update() we
make the function purely about adding modes. Rename accordingly.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e9880bbb2b5724d9aac88a90a31ba3ba9af9da3f.1674144945.git.jani.nikula@intel.com
2023-01-23 11:46:44 +02:00
Jani Nikula
919d320fb8 drm/edid: split HDMI VSDB info and mode parsing
Separate the parsing of display info and modes from the HDMI VSDB. This
is prerequisite work for overall better separation of the two parsing
steps.

The info parsing is about figuring out whether the sink supports HDMI
infoframes. Since they were added in HDMI 1.4, assume the sink supports
HDMI infoframes if it has the HDMI_Video_present bit set (introduced in
HDMI 1.4). For details, see commit f1781e9bb2 ("drm/edid: Allow HDMI
infoframe without VIC or S3D").

The logic is not exactly the same, but since it was somewhat heuristic
to begin with, assume this is close enough.

v2:
- Simplify to only check HDMI_Video_present bit (Ville)
- Drop cea_db_raw_size() helper (Ville)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/238e15f7ab15a86f7fd1812271dcaec9bc6e1506.1674144945.git.jani.nikula@intel.com
2023-01-23 11:46:39 +02:00
Jani Nikula
43bde505d6 drm/edid: move EDID BPC quirk application to update_display_info()
The BPC quirks are closer to home in update_display_info().

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8997e0fa3b0fd03c920e72d1dff24c0d96ff4dd0.1672826282.git.jani.nikula@intel.com
2023-01-19 14:04:15 +02:00
Jani Nikula
45ea02d1ca drm/edid: merge ELD handling to update_display_info()
Simplify display info update by merging ELD handling as well as clearing
of the data in update_display_info().

The connector->eld really should be moved under display_info altogether,
but that's for another time.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1f2e7424b998fbcdd9cea488e7d6d7cbb26c460f.1672826282.git.jani.nikula@intel.com
2023-01-19 14:04:15 +02:00
Jani Nikula
4959b693d7 drm/edid: stop passing quirks around
Now that quirks are stored in display info, we can just look them up
using the connector instead of having to pass them around.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d55049dd9b2e48e63103f2dfa49bc9b25dd57f82.1672826282.git.jani.nikula@intel.com
2023-01-19 14:04:15 +02:00
Jani Nikula
783dedc535 drm/edid: store quirks in display info
Although the quirks are internal to EDID parsing, it'll be helpful to
store them in display info to avoid having to pass them around.

This will also help separate adding probed modes (which needs the
quirks) from updating display info.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/819b908f64ad2d158245917f436f24d33a65b95d.1672826282.git.jani.nikula@intel.com
2023-01-19 14:04:15 +02:00
Jani Nikula
cba83c1fc3 drm/edid: add helper for HDMI VSDB audio latency field length
Add a helper for skipping the HDMI VSDB audio latency fields.

There's a functional change for HDMI VSDB blocks that do not respect the
spec: "I_Latency_Fields_Present shall be zero if Latency_Fields_Present
is zero". We assume this to hold when skipping the latency fields, and
ignore non-zero I_Latency_Fields_Present if Latency_Fields_Present is
zero.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/da4293203ef2ddeb0bf66a2bfdbc129ab609c543.1672826282.git.jani.nikula@intel.com
2023-01-19 10:54:09 +02:00
Jani Nikula
1ee3e217f9 drm/edid: fix and clarify HDMI VSDB audio latency parsing
Add helpers for Latency_Fields_Present and I_Latency_Fields_Present
bits, and fix the parsing:

- Respect specification regarding "I_Latency_Fields_Present shall be
  zero if Latency_Fields_Present is zero".

- Don't claim latency fields are present if the data block isn't big
  enough to hold them.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/80426772a2d2e17bebf6f58d99b7d0cf6260c2d6.1672826282.git.jani.nikula@intel.com
2023-01-19 10:54:02 +02:00
Jani Nikula
c54e2e23c3 drm/edid: split CTA Y420VDB info and mode parsing
Separate the parsing of display info and modes from the CTA
Y420VDB. This is prerequisite work for overall better separation of the
two parsing steps.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3bc5fe6650a6ce4249803f7192096764ea724e05.1672826282.git.jani.nikula@intel.com
2023-01-19 10:53:54 +02:00
Jani Nikula
61e05fdc09 drm/edid: refactor CTA Y420CMDB parsing
Now that we have pre-parsed CTA VDB VICs stored in info->vics, leverage
that to simplify CTA Y420CMDB parsing. Move updating the y420_cmdb_modes
bitmap to the display info parsing stage, instead of updating it during
add modes. This allows us to drop the intermediate y420_cmdb_map from
display info, and replace it with a local variable.

This is prerequisite work for overall better separation of the two
parsing steps (updating display info and adding modes).

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7a0e5e99a83f203b6a8981d263b89b2bb7d2fe15.1672826282.git.jani.nikula@intel.com
2023-01-19 10:53:40 +02:00
Jani Nikula
26c2ff7734 drm/edid: rename struct drm_display_info *display to *info
Rename the local variable to info for consistency.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d35a50c714e21869afcabfafd5c5e590936b791a.1672826282.git.jani.nikula@intel.com
2023-01-19 10:53:36 +02:00
Jani Nikula
4ed29f398b drm/edid: use VIC in AVI infoframe if sink lists it in CTA VDB
Apparently there are HDMI 1.4 compatible displays out there that support
VICs from specs later than CTA-861-D, i.e. VIC > 64, although HDMI 1.4
references CTA-861-D only.

We try to avoid using VICs from the later specs in the AVI infoframes to
avoid upsetting sinks that conform to earlier specs.

However, it seems reasonable to do this when the sink claims it supports
the VIC. With the pre-parsed list of VICs handy, this is now trivial.

References: https://gitlab.freedesktop.org/drm/intel/-/issues/6153
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: William Tseng <william.tseng@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/775124fd07a5b7892e869becc3dd8dadb328ae5f.1672826282.git.jani.nikula@intel.com
2023-01-19 10:53:32 +02:00
Jani Nikula
6a40a75f71 drm/edid: Use the pre-parsed VICs
Now that we have all the VICs in info->vics, use them to simplify access
based on VIC index, i.e. on the order of VICs in the EDID, and avoid
passing CTA VDB pointers around.

This also fixes the highly unlikely scenarios of a) multiple HDMI VSDBs,
and b) HDMI VSDB 3D modes using VIC indexes that span across multiple
CTA VDBs, and the combination of the two.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/30f1a97193171e70ec1c26c4b685d8930799b9a6.1672826282.git.jani.nikula@intel.com
2023-01-19 10:53:28 +02:00
Jani Nikula
c3292ab5fb drm/edid: parse VICs from CTA VDB early
A number of places need access to the VICs. Just parse them early for
easy access. Gracefully handle multiple CTA VDBs. It's unlikely to have
more than one, but the CTA-861 references "Video Data Block(s)", so err
on the safe side.

Start parsing them now, convert users in follow-up to have fewer moving
parts in one go.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7989b2b37837be68953c5d20afd3e93762bfd626.1672826282.git.jani.nikula@intel.com
2023-01-19 10:53:24 +02:00
Jani Nikula
72794d16bd drm/edid: fix parsing of 3D modes from HDMI VSDB
Commit 537d9ed2f6 ("drm/edid: convert add_cea_modes() to use cea db
iter") inadvertently moved the do_hdmi_vsdb_modes() call within the db
iteration loop, always passing NULL as the CTA VDB to
do_hdmi_vsdb_modes(), skipping a lot of stereo modes.

Move the call back outside of the loop.

This does mean only one CTA VDB and HDMI VSDB combination will be
handled, but it's an unlikely scenario to have more than one of either
block, and it was not accounted for before the regression either.

Fixes: 537d9ed2f6 ("drm/edid: convert add_cea_modes() to use cea db iter")
Cc: <stable@vger.kernel.org> # v6.0+
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/cf159b8816191ed595a3cb954acaf189c4528cc7.1672826282.git.jani.nikula@intel.com
2023-01-19 10:52:45 +02:00
Jani Nikula
1cbc1f0d32 drm/edid: fix AVI infoframe aspect ratio handling
We try to avoid sending VICs defined in the later specs in AVI
infoframes to sinks that conform to the earlier specs, to not upset
them, and use 0 for the VIC instead. However, we do this detection and
conversion to 0 too early, as we'll need the actual VIC to figure out
the aspect ratio.

In particular, for a mode with 64:27 aspect ratio, 0 for VIC fails the
AVI infoframe generation altogether with -EINVAL.

Separate the VIC lookup from the "filtering", and postpone the
filtering, to use the proper VIC for aspect ratio handling, and the 0
VIC for the infoframe video code as needed.

Reported-by: William Tseng <william.tseng@intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/6153
References: https://lore.kernel.org/r/20220920062316.43162-1-william.tseng@intel.com
Cc: <stable@vger.kernel.org>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c3e78cc6d01ed237f71ad0038826b08d83d75eef.1672826282.git.jani.nikula@intel.com
2023-01-19 10:52:34 +02:00
Dave Airlie
4302423c88 drm-misc-next for 6.2:
UAPI Changes:
 
 Cross-subsystem Changes:
 - fbdev: Add support for the nomodeset kernel parameter
 
 Core Changes:
 - client: Add kunit tests for drm_connector_pick_cmdline_mode()
 - dma-buf: Move dma_buf_mmap_internal() to new locking specification
 - edid: Dump EDID on drm_edid_get_panel_id() failure, Stop using a
   temporary device to load the EDID through the firmware mechanism
 - fb-helper: Remove damage worker
 - gem-vram: Fix deadlock in drm_gem_vram_vmap()
 - modes: Named mode parsing improvements
 - tests: Add Kunit helpers to create a DRM device
 
 Driver Changes:
 - hisilicon: convert to drm_mode_init()
 - malidp: Use drm-managed resources
 - msm: convert to drm_mode_init() and drm_mode_copy()
 - mtk: convert to drm_mode_init()
 - nouveau: Support backlight control for nva3
 - rockchip: convert to drm_mode_copy()
 - sti: convert to drm_mode_copy()
 - v3d: Switch to drm-managed resources
 - vc4: Fix potential NULL pointer dereference
 
 - panels:
   - New panel: NewVision NV3051D
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Merge tag 'drm-misc-next-2022-11-17' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 6.2:

UAPI Changes:

Cross-subsystem Changes:
- fbdev: Add support for the nomodeset kernel parameter

Core Changes:
- client: Add kunit tests for drm_connector_pick_cmdline_mode()
- dma-buf: Move dma_buf_mmap_internal() to new locking specification
- edid: Dump EDID on drm_edid_get_panel_id() failure, Stop using a
  temporary device to load the EDID through the firmware mechanism
- fb-helper: Remove damage worker
- gem-vram: Fix deadlock in drm_gem_vram_vmap()
- modes: Named mode parsing improvements
- tests: Add Kunit helpers to create a DRM device

Driver Changes:
- hisilicon: convert to drm_mode_init()
- malidp: Use drm-managed resources
- msm: convert to drm_mode_init() and drm_mode_copy()
- mtk: convert to drm_mode_init()
- nouveau: Support backlight control for nva3
- rockchip: convert to drm_mode_copy()
- sti: convert to drm_mode_copy()
- v3d: Switch to drm-managed resources
- vc4: Fix potential NULL pointer dereference

- panels:
  - New panel: NewVision NV3051D

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

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20221117083628.mzij5nrbdzokek7c@houat
2022-11-22 09:21:17 +10:00
Douglas Anderson
69c7717c20 drm/edid: Dump the EDID when drm_edid_get_panel_id() has an error
If we fail to get a valid panel ID in drm_edid_get_panel_id() we'd
like to see the EDID that was read so we have a chance of
understanding what's wrong. There's already a function for that, so
let's call it in the error case.

NOTE: edid_block_read() has a retry loop in it, so actually we'll only
print the block read back from the final attempt. This still seems
better than nothing.

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221021130637.1.I8c2de0954a4e54e0c59a72938268e2ead91daa98@changeid
2022-11-14 14:03:06 -08:00
Dave Airlie
49e8e6343d Merge tag 'amd-drm-next-6.2-2022-11-04' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.2-2022-11-04:

amdgpu:
- Add TMZ support for GC 11.0.1
- More IP version check conversions
- Mode2 reset fixes for sienna cichlid
- SMU 13.x fixes
- RAS enablement on MP 13.x
- Replace kmap with kmap_local_page()
- Misc Clang warning fixes
- SR-IOV fixes for GC 11.x
- PCI AER fix
- DCN 3.2.x commit sequence rework
- SDMA 4.x doorbell fix
- Expose additional new GC 11.x firmware versions
- Misc code cleanups
- S0i3 fixes
- More DC FPU cleanup
- Add more DC kerneldoc
- Misc spelling and grammer fixes
- DCN 3.1.x fixes
- Plane modifier fix
- MCA RAS enablement
- Secure display locking fix
- RAS TA rework
- RAS EEPROM fixes
- Fail suspend if eviction fails
- Drop AMD specific DSC workarounds in favor of drm EDID quirks
- SR-IOV suspend/resume fixes
- Enable DCN support for ARM
- Enable secure display on DCN 2.1

amdkfd:
- Cache size fixes for GC 10.3.x
- kfd_dev struct cleanup
- GC11.x CWSR trap handler fix
- Userptr fixes
- Warning fixes

radeon:
- Replace kmap with kmap_local_page()

UAPI:
- Expose additional new GC 11.x firmware versions via the existing INFO query

drm:
- Add some new EDID DSC quirks

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

# Conflicts:
#	drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221104205827.6008-1-alexander.deucher@amd.com
2022-11-08 16:32:31 +10:00
Hamza Mahfooz
aa193f7eff drm/edid: add a quirk for two LG monitors to get them to work on 10bpc
The LG 27GP950 and LG 27GN950 have visible display corruption when
trying to use 10bpc modes. So, to fix this, cap their maximum DSC
target bitrate to 15bpp.

Suggested-by: Roman Li <roman.li@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-10-27 15:12:09 -04:00
Jani Nikula
e1e7bc481d drm/edid: convert to device specific logging
Convert to drm_kms_dbg/drm_err where possible, and reference the
connector using [CONNECTOR:%d:%s]. Pass connectors around a bit more to
enable this. Where this is not possible, unify the rest of the debugs to
DRM_DEBUG_KMS.

Rewrite tile debug logging to one line while at it.

v2:
- Use [CONNECTOR:%d:%s] throughout (Ville)
- Tile debug logging revamp
- Pass connector around a bit more

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e48346bfe09a632d5a5faa55e3c161b196cf21e8.1666614699.git.jani.nikula@intel.com
2022-10-26 11:30:45 +03:00
Jani Nikula
66d17ecde7 drm/edid: add [CONNECTOR:%d:%s] to debug logging
Reference the connector using [CONNECTOR:%d:%s] in existing device based
debug logging.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Simon Ser <contact@emersion.fr>
Link: https://patchwork.freedesktop.org/patch/msgid/5884410682bcbc032de4d3af8562c0b271edaa7f.1666614699.git.jani.nikula@intel.com
2022-10-26 09:54:20 +03:00
Jani Nikula
794aca0ec2 drm/edid: use struct drm_edid for override/firmware EDID
There's a lot going on here, but the main thing is switching the
firmware EDID loader to use struct drm_edid. Unfortunately, it's
difficult to reasonably split to smaller pieces.

Convert the EDID loader to struct drm_edid. There's a functional change
in validation; it no longer tries to fix errors or filter invalid
blocks. It's stricter in this sense. Hopefully this will not be an
issue.

As a by-product, this change also allows HF-EEODB extended EDIDs to be
passed via override/firmware EDID.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e64267c28eca483e83c802bc06ddd149bdcdfc66.1666614699.git.jani.nikula@intel.com
2022-10-26 09:53:51 +03:00
Jani Nikula
a05992d5ea drm/edid/firmware: rename drm_load_edid_firmware() to drm_edid_load_firmware()
Follow the usual naming convention by file name.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d6714ae737d789764bd2bdb6e7c9a5f56c99eef3.1666614699.git.jani.nikula@intel.com
2022-10-26 09:53:46 +03:00
Jani Nikula
90b575f52c drm/edid: detach debugfs EDID override from EDID property update
Having the EDID override debugfs directly update the EDID property is
problematic. The update is partial only. The driver has no way of
knowing it's been updated. Mode list is not updated. It's an
inconsistent state.

Detach debugfs EDID override from the property update completely. Only
set and reset a separate override EDID copy from debugfs, and have it
take effect only at detect (via EDID read). The copy is at
connector->edid_override, protected by connector->edid_override_mutex.

This also brings override EDID closer to firmware EDID in behaviour.

Add validation of the override EDID which we completely lacked.

Note that IGT already forces a detect whenever tests update the override
EDID.

v2: Add locking (Ville)

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/4c875f8e06c4499f498fcf876e1233cbb155ec8a.1666614699.git.jani.nikula@intel.com
2022-10-26 09:53:24 +03:00
Jani Nikula
6c9b3db70a drm/edid: add function for checking drm_edid validity
We've lacked a function for immutable validity check on drm_edid. Add
one.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f96188f64e9f7f3deff348d08296609353b12316.1666614699.git.jani.nikula@intel.com
2022-10-26 09:53:17 +03:00
Jani Nikula
b16c9e6c7d drm/edid: split drm_edid block count helper
Split the drm_edid block count helper to a base version that reports the
block count indicated by EDID contents, and another on top that limits
the block count based on size allocated for the EDID.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/a7d63878c7fb3dd6f3b987f5257897113797b94f.1666614699.git.jani.nikula@intel.com
2022-10-26 09:53:15 +03:00
Jani Nikula
019b938748 drm/edid: rename drm_add_override_edid_modes() to drm_edid_override_connector_update()
Follow the naming of both EDID override functions as well as
drm_edid_connector_update(). This also matches better what the function
does; a combination of EDID property update and add modes. Indeed it
should later be converted to call drm_edid_connector_update().

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ba12957e0488654e8db010a3ff1534079caec972.1666614699.git.jani.nikula@intel.com
2022-10-26 09:53:11 +03:00
Jani Nikula
91ec9ab4a6 drm/edid: abstract debugfs override EDID show better
Add a function to dump the override EDID in debugfs. This hides the
override EDID management better in drm_edid.c.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/74defa7b595f51e6c1f2eacd9c799d567d29f053.1666614699.git.jani.nikula@intel.com
2022-10-26 09:53:08 +03:00
Jani Nikula
2c9332de05 drm/edid: debug log EDID override set/reset
It's useful debugging information to know if and when an override EDID
was set or reset.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ae352f542b4d69398c0965e33fb2e6e34156cbfb.1666614699.git.jani.nikula@intel.com
2022-10-26 09:53:04 +03:00
Maxime Ripard
a140a6a2d5
Merge drm/drm-next into drm-misc-next
Let's kick-off this release cycle.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
2022-10-18 15:00:03 +02:00
Linus Torvalds
7e6739b933 drm pull for 6.1-rc1
core:
 - convert selftests to kunit
 - managed init for more objects
 - move to idr_init_base
 - rename fb and gem cma helpers to dma
 - hide unregistered connectors from getconnector ioctl
 - DSC passthrough aux support
 - backlight handling improvements
 - add dma_resv_assert_held to vmap/vunmap
 
 edid:
 - move luminance calculation to core
 
 fbdev:
 - fix aperture helper usage
 
 fourcc:
 - add more format helpers
 - add DRM_FORMAT_Cxx, DRM_FORMAT_Rxx, DRM_FORMAT_Dxx
 - add packed AYUV8888, XYUV8888
 - add some kunit tests
 
 ttm:
 - allow bos without backing store
 - rewrite placement to use intersect/compatible functions
 
 dma-buf:
 - docs update
 - improve signalling when debugging
 
 udmabuf:
 - fix failure path GPF
 
 dp:
 - drop dp/mst legacy code
 - atomic mst state support
 - audio infoframe packing
 
 panel:
 - Samsung LTL101AL01
 - B120XAN01.0
 - R140NWF5 RH
 - DMT028VGHMCMI-1A T
 - AUO B133UAN02.1
 - IVO M133NW4J-R3
 - Innolux N120ACA-EA1
 
 amdgpu:
 - Gang submit support
 - Mode2 reset for RDNA2
 - New IP support:
   DCN 3.1.4, 3.2
   SMU 13.x
   NBIO 7.7
   GC 11.x
   PSP 13.x
   SDMA 6.x
   GMC 11.x
 - DSC passthrough support
 - PSP fixes for TA support
 - vangogh GFXOFF stats
 - clang fixes
 - gang submit CS cleanup prep work
 - fix VRAM eviction issues
 
 amdkfd:
 - GC 10.3 IP ISA fixes
 - fix CRIU regression
 - CPU fault on COW mapping fixes
 
 i915:
 - align fw versioning with kernel practices
 - add display substruct to i915 private
 - add initial runtime info to driver info
 - split out HDCP and backlight registers
 - MEI XeHP SDV GSC support
 - add per-gt sysfs defaults
 - TLB invalidation improvements
 - Disable PCI BAR resize on 32-bit
 - GuC firmware updates and compat changes
 - GuC log timestamp translation
 - DG2 preemption workaround changes
 - DG2 improved HDMI pixel clocks support
 - PCI BAR sanity checks
 - Enable DC5 on DG2
 - DG2 DMC fw bumped
 - ADL-S PCI ID added
 - Meteorlake enablement
 - Rename ggtt_view to gtt_view
 - host RPS fixes
 - release mmaps on rpm suspend on discrete
 - clocking and dpll refactoring
 - VBT definitions and parsing updates
 - SKL watermark code extracted to separate file
 - allow seamless M/N changes on eDP panels
 - BUG_ON removal and cleanups
 
 msm:
 - DPU: simplified VBIF configuration
 -      cleanup CTL interfaces
 - DSI: removed unused msm_display_dsc_config struct
 -      switch regulator calls to new API
 -      switched to PANEL_BRIDGE for direct attached panels
 - DSI_PHY: convert drivers to parent_hws
 - DP: cleanup pixel_rate handling
 - HDMI: turned hdmi-phy-8996 into OF clk provider
 - misc dt-bindings fixes
 - choose eDP as primary display if it's available
 - support getting interconnects from either the mdss or the mdp5/dpu
   device nodes
 - gem: Shrinker + LRU re-work:
 - adds a shared GEM LRU+shrinker helper and moves msm over to that
 - reduces lock contention between retire and submit by avoiding the
   need to acquire obj lock in retire path (and instead using resv
   seeing obj's busyness in the shrinker
 - fix reclaim vs submit issues
 - GEM fault injection for triggering userspace error paths
 - Map/unmap optimization
 - Improved robustness for a6xx GPU recovery
 
 virtio:
 - Improve error and edge conditions handling
 - Convert to use managed helpers
 - stop exposing LINEAR modifier
 
 mgag200:
 - split modeset handling per model
 
 udl:
 - suspend/disconnect handling improvements
 
 vc4:
 - rework HDMI power up
 - depend on PM
 - better unplugging support
 
 ast:
 - resolution handling improvements
 
 ingenic:
 - Add JZ4760(B) support
 - avoid a modeset when sharpness property is unchanged
 - use the new PM ops
 
 it6505:
 - power seq and clock updates
 
 ssd130x:
 - regmap bulk write
 - use atomic helpers instead of simple helpers
 
 via:
 - rename via_drv to via_dri1, consolidate all code.
 
 radeon:
 - drop DP MST experimental support
 - delayed work flush fix
 - use time_after
 
 ti-sn65dsi86:
 - DP support
 
 mediatek:
 - MT8195 DP support
 - drop of_gpio header
 - remove unneeded result
 - small DP code improvements
 
 vkms:
 - RGB565, XRGB64 and ARGB64 support
 
 sun4i:
 - tv: convert to atomic
 
 rcar-du:
 - Synopsys DW HDMI bridge DT bindings update
 
 exynos:
 - use drm_display_info.is_hdmi
 - correct return of mixer_mode_valid and hdmi_mode_valid
 
 omap:
 - refcounting fix
 
 rockchip:
 - RK3568 support
 - RK3399 gamma support
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Merge tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Lots of stuff all over, some new AMD IP support and gang submit
  support. i915 has further DG2 and Meteorlake pieces, and a bunch of
  i915 display refactoring. msm has a shrinker rework. There are also a
  bunch of conversions to use kunit.

  This has two external pieces, some MEI changes needed for future Intel
  discrete GPUs. These should be acked by Greg. There is also a cross
  maintainer shared tree with some backlight rework from Hans in here.

  Core:
   - convert selftests to kunit
   - managed init for more objects
   - move to idr_init_base
   - rename fb and gem cma helpers to dma
   - hide unregistered connectors from getconnector ioctl
   - DSC passthrough aux support
   - backlight handling improvements
   - add dma_resv_assert_held to vmap/vunmap

  edid:
   - move luminance calculation to core

  fbdev:
   - fix aperture helper usage

  fourcc:
   - add more format helpers
   - add DRM_FORMAT_Cxx, DRM_FORMAT_Rxx, DRM_FORMAT_Dxx
   - add packed AYUV8888, XYUV8888
   - add some kunit tests

  ttm:
   - allow bos without backing store
   - rewrite placement to use intersect/compatible functions

  dma-buf:
   - docs update
   - improve signalling when debugging

  udmabuf:
   - fix failure path GPF

  dp:
   - drop dp/mst legacy code
   - atomic mst state support
   - audio infoframe packing

  panel:
   - Samsung LTL101AL01
   - B120XAN01.0
   - R140NWF5 RH
   - DMT028VGHMCMI-1A T
   - AUO B133UAN02.1
   - IVO M133NW4J-R3
   - Innolux N120ACA-EA1

  amdgpu:
   - Gang submit support
   - Mode2 reset for RDNA2
   - New IP support:
        DCN 3.1.4, 3.2
        SMU 13.x
        NBIO 7.7
        GC 11.x
        PSP 13.x
        SDMA 6.x
        GMC 11.x
   - DSC passthrough support
   - PSP fixes for TA support
   - vangogh GFXOFF stats
   - clang fixes
   - gang submit CS cleanup prep work
   - fix VRAM eviction issues

  amdkfd:
   - GC 10.3 IP ISA fixes
   - fix CRIU regression
   - CPU fault on COW mapping fixes

  i915:
   - align fw versioning with kernel practices
   - add display substruct to i915 private
   - add initial runtime info to driver info
   - split out HDCP and backlight registers
   - MEI XeHP SDV GSC support
   - add per-gt sysfs defaults
   - TLB invalidation improvements
   - Disable PCI BAR resize on 32-bit
   - GuC firmware updates and compat changes
   - GuC log timestamp translation
   - DG2 preemption workaround changes
   - DG2 improved HDMI pixel clocks support
   - PCI BAR sanity checks
   - Enable DC5 on DG2
   - DG2 DMC fw bumped
   - ADL-S PCI ID added
   - Meteorlake enablement
   - Rename ggtt_view to gtt_view
   - host RPS fixes
   - release mmaps on rpm suspend on discrete
   - clocking and dpll refactoring
   - VBT definitions and parsing updates
   - SKL watermark code extracted to separate file
   - allow seamless M/N changes on eDP panels
   - BUG_ON removal and cleanups

  msm:
   - DPU:
       simplified VBIF configuration
       cleanup CTL interfaces
   - DSI:
       removed unused msm_display_dsc_config struct
       switch regulator calls to new API
       switched to PANEL_BRIDGE for direct attached panels
   - DSI_PHY: convert drivers to parent_hws
   - DP: cleanup pixel_rate handling
   - HDMI: turned hdmi-phy-8996 into OF clk provider
   - misc dt-bindings fixes
   - choose eDP as primary display if it's available
   - support getting interconnects from either the mdss or the mdp5/dpu
     device nodes
   - gem: Shrinker + LRU re-work:
   - adds a shared GEM LRU+shrinker helper and moves msm over to that
   - reduce lock contention between retire and submit by avoiding the
     need to acquire obj lock in retire path (and instead using resv
     seeing obj's busyness in the shrinker
   - fix reclaim vs submit issues
   - GEM fault injection for triggering userspace error paths
   - Map/unmap optimization
   - Improved robustness for a6xx GPU recovery

  virtio:
   - improve error and edge conditions handling
   - convert to use managed helpers
   - stop exposing LINEAR modifier

  mgag200:
   - split modeset handling per model

  udl:
   - suspend/disconnect handling improvements

  vc4:
   - rework HDMI power up
   - depend on PM
   - better unplugging support

  ast:
   - resolution handling improvements

  ingenic:
   - add JZ4760(B) support
   - avoid a modeset when sharpness property is unchanged
   - use the new PM ops

  it6505:
   - power seq and clock updates

  ssd130x:
   - regmap bulk write
   - use atomic helpers instead of simple helpers

  via:
   - rename via_drv to via_dri1, consolidate all code.

  radeon:
   - drop DP MST experimental support
   - delayed work flush fix
   - use time_after

  ti-sn65dsi86:
   - DP support

  mediatek:
   - MT8195 DP support
   - drop of_gpio header
   - remove unneeded result
   - small DP code improvements

  vkms:
   - RGB565, XRGB64 and ARGB64 support

  sun4i:
   - tv: convert to atomic

  rcar-du:
   - Synopsys DW HDMI bridge DT bindings update

  exynos:
   - use drm_display_info.is_hdmi
   - correct return of mixer_mode_valid and hdmi_mode_valid

  omap:
   - refcounting fix

  rockchip:
   - RK3568 support
   - RK3399 gamma support"

* tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm: (1374 commits)
  drm/amdkfd: Fix UBSAN shift-out-of-bounds warning
  drm/amdkfd: Track unified memory when switching xnack mode
  drm/amdgpu: Enable sram on vcn_4_0_2
  drm/amdgpu: Enable VCN DPG for GC11_0_1
  drm/msm: Fix build break with recent mm tree
  drm/panel: simple: Use dev_err_probe() to simplify code
  drm/panel: panel-edp: Use dev_err_probe() to simplify code
  drm/panel: simple: Add Multi-Inno Technology MI0800FT-9
  dt-bindings: display: simple: Add Multi-Inno Technology MI0800FT-9 panel
  drm/amdgpu: correct the memcpy size for ip discovery firmware
  drm/amdgpu: Skip put_reset_domain if it doesn't exist
  drm/amdgpu: remove switch from amdgpu_gmc_noretry_set
  drm/amdgpu: Fix mc_umc_status used uninitialized warning
  drm/amd/display: Prevent OTG shutdown during PSR SU
  drm/amdgpu: add page retirement handling for CPU RAS
  drm/amdgpu: use RAS error address convert api in mca notifier
  drm/amdgpu: support to convert dedicated umc mca address
  drm/amdgpu: export umc error address convert interface
  drm/amdgpu: fix sdma v4 init microcode error
  drm/amd/display: fix array-bounds error in dc_stream_remove_writeback()
  ...
2022-10-05 11:24:12 -07:00
Ville Syrjälä
dd3abfe4e6 drm/edid: Make version checks less convoluted
Get rid of the confusing version_greater() stuff and
simply compare edid->revision directly everwhere. Half
the places already did it this way, and since we actually
reject any EDID with edid->version!=1 it's a perfectly
sane thing to do.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220927170006.27855-9-ville.syrjala@linux.intel.com
2022-10-05 01:18:11 +03:00
Ville Syrjälä
f72f9529b0 drm/edid: Unconfuse preferred timing stuff a bit
For EDID 1.4 the first detailed timing is always preferred,
for older EDIDs there was a feature flag to indicate the same.
While correct, the code setting that up is rather confusing.
Restate it in a slightly more straightforward manner.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220927170006.27855-8-ville.syrjala@linux.intel.com
2022-10-05 01:18:11 +03:00
Ville Syrjälä
bf72b5ef6e drm/edid: Use the correct formula for standard timings
Prefer the timing formula indicated by the range
descriptor for generating the non-DMT standard timings.

Previously we just used CVT for all EDID 1.4 continuous
frequency displays without even checking if the range
descriptor indicates otherwise. Now we check the range
descriptor first, and fall back to CVT if nothing else
was indicated. EDID 1.4 more or less deprecates GTF/GTF2
but there are still a lot of 1.4 EDIDs out there that
don't advertise CVT support, so seems safer to use the
formula the EDID actually reports as supported.

For EDID 1.3 we use GTF2 if indicated (as before), and for
EDID 1.2+ we now just use GTF without even checking the
feature flag. There seem to be quite a few EDIDs out there that
don't set the GTF feature flag but still include a GTF range
descriptor and non-DMT standard timings.

This to me seems to be roughly what appendix B of EDID 1.4
suggests should be done.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220927170006.27855-7-ville.syrjala@linux.intel.com
2022-10-05 01:18:11 +03:00
Ville Syrjälä
9ed15f9131 drm/edid: Use GTF2 for inferred modes
For some reason we only use the secondary GTF curve for the
standard timings. Use it for inferred modes as well.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220927170006.27855-6-ville.syrjala@linux.intel.com
2022-10-05 01:18:04 +03:00
Ville Syrjälä
86101bb7e0 drm/edid: Extract drm_gtf2_mode()
Extract the GTF vs. GTF2 logic into a separate function.
We'll have a second user soon.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220927170006.27855-5-ville.syrjala@linux.intel.com
2022-10-04 22:44:38 +03:00
Ville Syrjälä
ca2582c66b drm/edid: Only parse VRR range for continuous frequency displays
Since we only use the parsed vrefresh range to determine
if VRR should be supported we should only accept continuous
frequency displays here.

Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220927170006.27855-4-ville.syrjala@linux.intel.com
2022-10-04 22:44:33 +03:00
Ville Syrjälä
afd4429eba drm/edid: Define more flags
Replace a bunch of hex constants with proper definitions.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220927170006.27855-3-ville.syrjala@linux.intel.com
2022-10-04 22:43:53 +03:00
Ville Syrjälä
67d7469a17 drm/edid: Clarify why we only accept the "range limits only" descriptor
The current comment fails to clarify why we only accept
the "range limits only" variant of the range descriptor.
Reword it to make some actual sense.

Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Cc: Harry Wentland <harry.wentland@amd.com>
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220927170006.27855-2-ville.syrjala@linux.intel.com
2022-10-04 22:42:11 +03:00
Ankit Nautiyal
5e931c88b6 drm/edid: Avoid multiple log lines for HFVSDB parsing
Replace multiple log lines with a single log line at the end of
parsing HF-VSDB. Also use drm_dbg_kms instead of DRM_DBG_KMS, and
add log for DSC1.2 support.

v2: Fixed the formatting issues in the logging (Jani).

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220916100551.2531750-5-ankit.k.nautiyal@intel.com
2022-10-04 20:35:51 +03:00
Ankit Nautiyal
a07e6f56b3 drm/edid: Refactor HFVSDB parsing for DSC1.2
DSC capabilities are given in bytes 11-13 of VSDB (i.e. bytes 8-10 of
SCDS). Since minimum length of Data block is 7, all bytes greater than 7
must be read only after checking the length of the data block.

This patch adds check for data block length before reading relavant DSC
bytes.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220916100551.2531750-4-ankit.k.nautiyal@intel.com
2022-10-04 20:35:49 +03:00