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Add PSR2_MAN_TRK_CTL writing into DSB commit in intel_atomic_dsb_finish.
Taking PSR lock over DSB commit is not needed because PSR2_MAN_TRK_CTL is
now written only by DSB.
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250213064804.2077127-8-jouni.hogander@intel.com
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Allow writing PSR2_MAN_TRK_CTL using DSB by using intel_de_write_dsb. Do
not check intel_dp->psr.lock being held when using DSB. This assertion
doesn't make sense as in case of using DSB the actual write happens later
and we are not taking intel_dp->psr.lock mutex over dsb commit.
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250213064804.2077127-7-jouni.hogander@intel.com
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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of intel_fifo_underrun.[ch] to
struct intel_display.
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/682e667013e1726a6f2f78484b7e9618cee3b639.1739378096.git.jani.nikula@intel.com
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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of intel_combo_phy.[ch] to struct
intel_display, along with intel_phy_is_combo() in intel_display.c.
Drive-by convert some drm_dbg() to drm_dbg_kms() while at it.
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/c2e0a6294a8eaa4c16632881edc4f2d23c576101.1739378096.git.jani.nikula@intel.com
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Going forward, struct intel_display is the main display device data
pointer. Convert the intel_mode_valid_max_plane_size() helper to struct
intel_display, allowing further conversions elsewhere.
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/6e7810c793ecc8ff6a31569830bf162156245668.1739378095.git.jani.nikula@intel.com
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Going forward, struct intel_display is the main display device data
pointer. Convert the intel_cpu_transcoder_mode_valid()() helper to
struct intel_display, allowing further conversions elsewhere.
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/f9246a00a2e7aabaffb86f863915a4307e1fd3f8.1739378095.git.jani.nikula@intel.com
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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of intel_sdvo.[ch] to struct
intel_display.
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/2e79909f8a060d7ff1744911f8da9300eb1f225c.1739378095.git.jani.nikula@intel.com
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intel_display
Going forward, struct intel_display is the main display device data
pointer. Convert intel_set_cpu_fifo_underrun_reporting() and
intel_set_pch_fifo_underrun_reporting() to struct intel_display, along
with some of the call chains from there.
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/3b984d0183214d05d0cdecad35184ea8d89ae050.1739378095.git.jani.nikula@intel.com
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Going forward, struct intel_display is the main display device data
pointer. Convert the assert_port_valid() helper to struct intel_display,
allowing further conversions elsewhere.
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/e06ef0e2cc34d42918f3208362587a17ea34e28f.1739378095.git.jani.nikula@intel.com
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Going forward, struct intel_display is the main display device data
pointer. Convert the assert_transcoder*() helpers to struct
intel_display, allowing further conversions elsewhere.
Do a few small opportunistic conversions right away.
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/430c2f3c899bc98beeb6ba8608f841c9271d0971.1739378095.git.jani.nikula@intel.com
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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of g4x_hdmi.[ch] to struct
intel_display.
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/4fbaaa4cdab8ec020e5b3fb2f615b3c244c9da2d.1739378095.git.jani.nikula@intel.com
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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of g4x_dp.[ch] to struct
intel_display.
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/89ce4f7e6aa31f3db6316537f54c5bc7df852322.1739378095.git.jani.nikula@intel.com
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Since we don't do mailbox updates the push send bit
should alwyas clear by the time the delay vblank fires
and the flip completes. Check for that to make sure we
haven't screwed up the sequencing/vblank evasion/etc.
On the DSB path we should be able to guarantee this
since we don't have to deal with any scheduler latencies
and whatnot. I suppose unexpected DMA/memory latencies
might be the only thing that might trip us up here.
For the MMIO path we do always have a non-zero chance
that vblank evasion fails (since we can't really guarantee
anything about the scheduling behaviour). That could trip
up this check, but that seems fine since we already print
errors for other types of vblank evasion failures.
Should the CPU vblank evasion actually fail, then the push
send bit can still be set when the next commit happens. But
both the DSB and MMIO paths should handle that situation
gracefully.
v2: Only check once instead of polling for two scanlines
since we should now be guaranteed to be past the
delayed vblank.
Also check in the MMIO path for good measure
v3: Skip the push send check when VRR is disabled.
With joiner the secondary pipe's DSBs doen't have access
to the transcoder registers, and so doing this check
there triggers a reponse timeout error on the DSB. VRR
is not currently allowed when using joiner, so this will
prevent the bogus register access.
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250210160711.24010-1-ville.syrjala@linux.intel.com
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Currently we trigger the push send first, then follow it with
a "wait for safe window". That approach no longer works on
PTL+ because triggering the push send immediately ends the safe
window. On prior hardware the safe window extended past the
push being sent (presumably all the way to the pipe's delayed
vblank).
In order to deal with the new hardware behaviour we must reverse
the order of these two operations: first wait for safe window,
then trigger the push.
The only slight danger with this approach is that if we mess up
the vblank evasion around the vmax decision boundary the push
might get postponed until after the next frame's vactive. But
assuming we don't mess up the vblank evasion this approach is
completely safe.
As a slight bonus we can perform the push after we've done the
LUT writes as well, meaning we no longer have to worry about
extending the vblank delay to provide enough time for LUT
programming. Instead we will now depend on the vblank evasion
at vmax decision boundary to guarantee this.
However vblank delay (or framestart delay) is still the only
way to provide extra time for the LUT programming in the
non-VRR use cases. Let's assume we don't need anything extra
for now, but eventually we should come up with some proper
estimates on how long the LUT programming can take and
configure the vblank delay accordingly for the non-VRR use
cases.
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250207223159.14132-7-ville.syrjala@linux.intel.com
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Skip all the commit completion interrupt stuff on the
chained DSB when we don't take the full DSB path (ie. when
the plane/pipe programming is done via MMIO). The commit
completion will be done via the CPU side vblank interrupt.
Currently this is just a redundant interrupt, so not a big
deal. But in the future we'll be moving the TRANS_PUSH write
into the chained DSB as well, and that we definitely don't
want to do when it's also being done by the CPU from
intel_pipe_update_end().
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250207223159.14132-5-ville.syrjala@linux.intel.com
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
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Use intel_display instead of drm_i915_private to assert pll enabled
and disabled and the corresponding changes needed to make that happen.
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250212074542.3569452-6-suraj.kandpal@intel.com
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Let's use intel_display for dpll dump and compare hw state. This also
helps elimanate drm_i915_private dependency from i915_shared_dplls_info
in intel_display_debugfs.c
--v2
-Fix commit message [Jani]
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250212074542.3569452-4-suraj.kandpal@intel.com
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Convert the remaining intel_display_power.h interfaces to
take struct intel_display instead of struct drm_i915_private.
intel_display_power.c still has some internal uses due to
i915->runtime_pm.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250211000135.6096-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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Include the standard "[PLANE:%d:s]" stuff in all plane debugs
(or rather all I was able to find), to provide better information
on which plane we're actually talking about.
There are a few spots where we care about the CRTC as well, so
include that where appropriate.
Reviewed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
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/20250206185533.32306-13-ville.syrjala@linux.intel.com
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struct intel_display will replace struct drm_i915_private as
the main thing for display code. Convert the skl+ universal plane
code to use it.
Note that we still have two straggles in the form on
HAS_FLAT_CCS() and the pxp stuff.
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/20250206185533.32306-11-ville.syrjala@linux.intel.com
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Pass intel_display to the display power stuff. These are spread
all over the place so tend to hinder clean conversions of whole
files.
TODO: The gt part/unpark power domain shenanigans need some
kind of more abstract interface...
v2: Deal with cmtg
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/20250206185533.32306-7-ville.syrjala@linux.intel.com
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struct intel_display will replace struct drm_i915_private as
the main thing for display code. Convert intel_crtc.c code to
use it.
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/20250206185533.32306-5-ville.syrjala@linux.intel.com
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Pass the device argument as drm_device to intel_plane_fb_max_stride()
to decouple i915_gem_dumb_create() vs. the display code a bit.
xe currently doesn't even call this, but it probably should...
v2: s/dev/drm/ (Jani)
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/20250206185533.32306-3-ville.syrjala@linux.intel.com
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Now that intel_scanout_needs_vtd_wa() is no longer used from
the gem code we can convert it to take struct intel_display.
which will help with converting the low level plane code over
as well.
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250206185533.32306-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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Avoid full modeset by skipping infoframe.enable check when toggling
AS SDP while enabling VRR, preventing full modeset while pipe
config changes.
--v2:
- Add check for exclude_infoframe. (Ankit)
- Update commit message. (Ankit)
--v3:
- Optimise PIPE_CONF_CHECK for infoframes.enable. [Ankit]
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250206045001.2919360-2-mitulkumar.ajitkumar.golani@intel.com
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We're changing the driver to have no interrupts during early init for
Xe, so we poll the PIPE_FRMSTMSMP counter instead.
Interrupts cannot be enabled during FB readout because memirq's requires
an allocation. This would overwrite the FB we want to read out.
While it might be possible to also run do the same in i915 and run
it without interrupts, the platforms i915 supports had a less clear
distinction between display and graphics. For this reason I choose
only to touch Xe for now.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250121142850.4960-1-dev@lankhorst.se
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
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as_sdp param changes from vrr to cmrr should happen to fastset.
Changing as_sdp params should not trigger any modeset.
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250130051609.1796524-7-mitulkumar.ajitkumar.golani@intel.com
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Fix all typos in files under drm/i915/display reported by codespell tool.
v2:
- Include british and american spelling, as those are
not typos.
- Fix commenting style. <Jani>
v3: Fix "In case" wrongly capitalized and
also fix comment style. <Krzysztof Niemiec>
Signed-off-by: Nitin Gote <nitin.r.gote@intel.com>
Reviewed-by: Krzysztof Niemiec <krzysztof.niemiec@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250120081517.3237326-8-nitin.r.gote@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Now that we know how to issue the push with the DSB we can
allow the DSB to drive the commits even when VRR is active.
Cc: Paz Zcharya <pazz@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116201637.22486-9-ville.syrjala@linux.intel.com
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We have at least two options for how to do the
TRANS_PUSH_SEND + commit completion signalling
with the DSB:
Option A)
1. trigger TRANS_PUSH_SEND
2. wait for "safe window"
3. signal the interrupt
In this cases step 2 should not do anything if we were already
between vmin and vmax decision boundaries. Otherwise we'll wait
until the next start of the vblank period.
Option B)
1. wait for "safe window"
2. trigger TRANS_PUSH_SEND
3. signal the interrupt
This option is perhaps a bit less racy, but if we do somehow
screw up and the wait is a nop but the push gets deferred
until the next frame then we'll end up completing the commit
a frame too early.
So for now I'm leaning towards option A since losing the race
won't have any drastic consequences. To deal with the race we
can give the DSB a bit more time to start step 2 before the
hardware has started the vblank termination properly. Often
times it seems to be fast enough to make it in time even without
any extra vblank delay (the push is issued somewhere within a
scanline and it latches on the next scanline).
v2: Use intel_vrr_possible() to determine if we need some
vblank delay (also avoids adding it for DSI which doens't
actually program the transcoder registers correctly for it)
Cc: Paz Zcharya <pazz@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116201637.22486-8-ville.syrjala@linux.intel.com
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GOP might not agree with our idea of what the vblank delay should be.
Reuse the LRR codepaths to fix that up via a fastset.
The relevant registers aren't actually double buffered so this is a
little bit dodgy. While I've not seen any real issues from frobbing
these live, let's limit this to just the fastboot case (by only
allowing it when old_crtc_state->inherited==true).
Cc: Paz Zcharya <pazz@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116201637.22486-7-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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Pull the "do we actually need a LRR update?" checks into a small
helper for clarity.
Cc: Paz Zcharya <pazz@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116201637.22486-6-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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DSI outputs
intel_set_transcoder_timings*() aren't currently suitable for DSI.
Warn if someone accidentally calls them in such cases.
Cc: Paz Zcharya <pazz@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116201637.22486-5-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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Update TRANS_SET_CONTEXT_LATENCY in intel_set_transcoder_timings_lrr()
as well. While for actual LRR updates this should not change, I want
to reuse this code to also sanitize the vblank delay during boot,
and in that case we do need to update this.
Cc: Paz Zcharya <pazz@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116201637.22486-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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I want to start using intel_set_transcoder_timings_lrr() also for
fixing up the vblank delay during boot. To that end make sure it
can cope with interlaced modes as well.
Note that we have soft-defeatured interlaced modes on tgl+ so
technically this is dead code, but if we ever have the need to
bring interlaced support back it seems better to handle this.
Cc: Paz Zcharya <pazz@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116201637.22486-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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intel_set_transcoder_timings() will set TRANS_VBLANK.vblank_start to 0
for clarity on ADL+ (non-DSI) because the hardware no longer uses that
value. Do the same in intel_set_transcoder_timings_lrr() to make sure
the registers stay consistent even when doing LRR timing updates.
Cc: Paz Zcharya <pazz@chromium.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116201637.22486-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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Currently we are forcing full modeset if Panel Replay mode is changed. This
is not necessary as long as we are not changing sink PANEL REPLAY ENABLE
bit in PANEL REPLAY ENABLE AND CONFIGURATION 1 register. This can be
achieved by entering Panel Replay inactive mode (Live Frame mode) when
Panel Replay is disabled and keep PANEL REPLAY ENABLE bit in PANEL REPLAY
ENABLE AND CONFIGURATION 1 enabled always if panel is just supporting Panel
Replay.
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250109103532.2093356-5-jouni.hogander@intel.com
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TGL+ should no longer need any VT-d scanout workarounds.
Don't apply any.
Not 100% sure whether pre-SNB might also suffer from this. The
workaround did originate on SNB but who knows if it was just
never caught before that. Not that I ever managed to enable
VT-d any older hardware. Last time I tried on my ILK it ate
the disk!
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241009182207.22900-7-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
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Move the "does this modifier support async flips?" check
to be handled by the platform specific plane code instead
of having a big mess in common code.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241009182207.22900-4-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
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Apparently ICL can do async flips with CCS. In fact it already
seems to work on GLK, but apparently can lead to underruns there
so we'll only enable it for ICL.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241009182207.22900-3-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
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Looks like CCS + async flips has been a thing for a while now.
Enable this for TGL+ render compression modifiers.
Note that we can't update AUX_DIST during async flips we must
check to make sure it remains unchanged.
We also can't do clear color. Supposedly there was some attempt
to make it work, but apparently the issues only got ironed out
in MTL. For now we'll not worry about it and refuse async flips
with clear color modifiers.
Bspec claims that media compression doesn't support async flips.
Based on a quick test it does seem to work to some degree, but
perhaps it has issues as well. Let's trust the spec here and
continue to refuse async flips + media compression.
Bspec: 49250,49251,49252,49253
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241009182207.22900-2-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
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Make sure we have enough vblank for the computed vblank delay.
Supposedly we'd reject things anyway later if this gets violated,
but it seems nicer to do some basic sanity checks early just
so we can be sure the basic relationship vblank_end > vblank_start
always holds.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241210211007.5976-3-ville.syrjala@linux.intel.com
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
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Pull the vblank delay computation into a separate function.
We'll need more logic here soon and we don't want to pollute
intel_crtc_compute_config() with low level details.
We'll use HAS_DSB() to determine if any delay might be required
or not because delayed vblank only really exists for the
purposes of the DSB. It also doesn't event exists on any pre-tgl
platforms, which also don't have DSB. I was midly tempted
to check for the enable_dsb modparam here actually, but as
that can be changed dynamically via debugfs we'd need to either
reconfigure it on the fly or force a modeset. Neither will happen
currently, so we'll just assume DSB may be used of the platform
supports it.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241210211007.5976-2-ville.syrjala@linux.intel.com
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
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Convert the intel_dp.[ch] external interfaces to struct intel_display.
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7d55f5fd9fc0619be3113098a49259d5374013c6.1734083244.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Pass the drm_printer from intel_pipe_config_compare(), and use it for
logging, along with pipe_config_mismatch(), to simplify and unify.
While at it, differentiate the VSC and AS SDP log texts from each other.
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241205093042.3028608-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Use the drm_printer based printer to get the device specific printing of
the hex dump, and avoid the manual loglevel hacking.
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/a536050b5f9dc2d7de32d29766c98477f58d746c.1733392101.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Going forward, struct intel_display will be the main display driver
structure. Convert the main display entry points to struct
intel_display.
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241204102150.2223455-1-jani.nikula@intel.com
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Refactor the code to check the fixed refresh rate condition in the dpkgc
function itself and call it from intel_atomic_commit_tail so that we
have all the required values specially linetime which is computed after
intel_wm_compute, this will also help implement some WA's which requires
linetime. This also avoid writing into any of the registers while we are
in compute_config phase.
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241203084706.2126189-4-suraj.kandpal@intel.com
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Introduce a dedicated workqueue for the commit cleanup work.
In the future we'll need this to guarantee all the cleanup
works have finished at a specific point during suspend.
Cc: Brian Geffon <bgeffon@google.com>
Cc: Vidya Srinivas <vidya.srinivas@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241127061117.25622-3-ville.syrjala@linux.intel.com
Reviewed-by: Vidya Srinivas <vidya.srinivas@intel.com>
Tested-by: Vidya Srinivas <vidya.srinivas@intel.com>
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Currently we reuse the commit_work for a later cleanup step.
Let's not do that so that atomic ioctl handler won't accidentally
wait for the cleanup work when it really wants to just wait on the
commit_tail() part. We'll just add another work struct for the
cleanup.
Cc: Brian Geffon <bgeffon@google.com>
Cc: Vidya Srinivas <vidya.srinivas@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241127061117.25622-2-ville.syrjala@linux.intel.com
Reviewed-by: Vidya Srinivas <vidya.srinivas@intel.com>
Tested-by: Vidya Srinivas <vidya.srinivas@intel.com>
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