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Replace the hardcoded 2 pipe assumptions when we're massaging
pipe_mode and the pipe_src rect to be suitable for bigjoiner.
Instead we can just count the number of pipes in the bitmask.
v2: Introduce intel_bigjoiner_num_pipes()
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220223131315.18016-13-ville.syrjala@linux.intel.com
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Since we now have the bigjoiner_pipes bitmask the boolean
is redundant. Get rid of it.
Also, populating bigjoiner_pipes already during
encoder->compute_config() allows us to use it much earlier
during the state calculation as well. The initial aim is
to use it in intel_crtc_compute_config().
v2: Move the hweight(bigjoiner_pipes) stuff to a later patch
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> #v1
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com> #v1
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220223131315.18016-12-ville.syrjala@linux.intel.com
Instead of just having the pipe_src_{w,h} let's use a full
drm_rect for it. This will be particularly useful to astract
away some bigjoiner details.
v2: No hweight() stuff yet
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220223131315.18016-11-ville.syrjala@linux.intel.com
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Toss a bunch if constants into .rodata drom the stack. Also
shrink the types of some of the arrays to reduce the size.
bloat-o-meter -c intel_dpll_mgr.o:
add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-86 (-86)
Function old new delta
icl_get_dplls 3393 3372 -21
skl_get_dpll 2069 2004 -65
Total: Before=28029, After=27943, chg -0.31%
add/remove: 0/0 grow/shrink: 0/0 up/down: 0/0 (0)
Data old new delta
Total: Before=17, After=17, chg +0.00%
add/remove: 2/0 grow/shrink: 0/2 up/down: 28/-129 (-101)
RO Data old new delta
dco_central_freq - 24 +24
div1_vals - 4 +4
odd_dividers 28 7 -21
even_dividers 144 36 -108
Total: Before=3600, After=3499, chg -2.81%
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220301173128.6988-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Now that we track framestart_delay in the crtc state with readout
and state checker support we can remove the explicit framestart_delay
sanitation code.
Also I'm not convinced reprogramming this while the pipe is running
is even valid. CHICKEN_TRANS (hsw+) and TRANS_CHICKEN2 (cpt+) docs
at least make no mention of double buffering which seems to imply
that live reprogramming is not supported. On older platforms
PIPECONF and PCH_TRANSCONF (ibx) are double buffered though, so
might be that we could do this on the older platforms. But doesn't
really make sense to special case old platforms for this.
So from now on if the BIOS has misprogrammed this we shall simply do
a full modeset at boot to fix it up. Such systems will of course lose
fastboot, but I think less code (and less uncertainty what
reprogramming this on a running pipe will even do) outweighs that.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221110356.5532-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
We need to make framestart_delay dynamic for DRRS on PCH
ports. To that end move it into the crtc state. As a bonus
we get state check+dump for it. Will also allow us to get
rid of the somewhat questionable framestart_delay sanitation
code.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220221110356.5532-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Changes since v2.14:
- Release Notes for v2.15
Fix for corruption issue when DC States are enabled.
- Release Notes for v2.16
Fix for cases with flip queue and DC6v are enabled.
Signed-off-by: Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep@intel.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220223222801.397632-2-madhumitha.tolakanahalli.pradeep@intel.com
Include linux/highmem.h and linux/swap.h explicitly where needed so we
can drop the linux/i2c.h include from i915_drv.h where it pulled in the
dependencies implicitly.
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/20220303181931.1661767-5-jani.nikula@intel.com
Allocate the individual intel_gmbus structs dynamically. This lets us
hide struct intel_gmbus inside intel_gmbus.c completely. Also use the
cleanup function on the error path to avoid duplication.
Leave #include <linux/i2c.h> in i915_drv.h for now, as it pulls in a
bunch of implicit dependencies.
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/20220303181931.1661767-4-jani.nikula@intel.com
Combine the platform specific if ladders for array lookup and size
checks into one. This is cleaner and avoids duplication, but hopefully
also helps any static analyzers that seem to have trouble with the
bounds checks.
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/20220303181931.1661767-1-jani.nikula@intel.com
The current implementation of the async flip wm0/ddb optimization
does not work at all. The biggest problem is that we skip the
whole intel_pipe_update_{start,end}() dance and thus never actually
complete the commit that is trying to do the wm/ddb change.
To fix this we need to move the do_async_flip flag to the crtc
state since we handle commits per-pipe, not per-plane.
Also since all planes can now be included in the first/last
"async flip" (which gets converted to a sync flip to do the
wm/ddb mangling) we need to be more careful when checking if
the plane state is async flip comptatible. Only planes doing
the async flip should be checked and other planes are perfectly
fine not adhereing to any async flip related limitations.
However for subsequent commits which are actually going do the
async flip in hardware we want to make sure no other planes
are in the state. That should never happen assuming we did our
job correctly, so we'll toss in a WARN to make sure we catch
any bugs here.
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Fixes: c3639f3be480 ("drm/i915: Use wm0 only during async flips for DG2")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220214105532.13049-4-ville.syrjala@linux.intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Since the async flip state check is done very late and
thus it can see potentially all the planes in the state
(due to the wm/ddb optimization) we need to move the
"can the requested plane do async flips at all?" check
much earlier. For this purpose we introduce
intel_async_flip_check_uapi() that gets called early during
the atomic check.
And for good measure we'll throw in a couple of basic checks:
- is the crtc active?
- was a modeset flagged?
- is+was the plane enabled?
Though atm all of those should be guaranteed by the fact
that the async flip can only be requested through the legacy
page flip ioctl.
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Fixes: c3639f3be480 ("drm/i915: Use wm0 only during async flips for DG2")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220214105532.13049-3-ville.syrjala@linux.intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
data_rate==0 no longer means a plane is disabled, it could
also mean we want to use the minimum ddb allocation for it.
Hence we can't bail out early during ddb allocation or
else we'll simply forget to allocate any ddb for such planes.
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Fixes: 6a4d8cc6bbbf ("drm/i915: Don't allocate extra ddb during async flip for DG2")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220214105532.13049-2-ville.syrjala@linux.intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Some users are suffering with PSR2 issues that are under debug or
issues that were root caused to panel firmware bugs, to make life of
those users easier here adding a option to disable PSR2 with kernel
parameters so they can still benefit from PSR1 power savings.
Using the same enable_psr that is current used to turn the whole
feature on or off and allowing user to select up to what PSR version
it should enable.
Right now users only set this parameter to 0 when they want to disable
PSR1 and PSR2 or don't add it at all leaving it to per-chip behavior
so it should not cause a bad impact on users.
v2:
- changing enable_psr values (Ville and Rodrigo)
Link: https://gitlab.freedesktop.org/drm/intel/-/issues/4951
Cc: Jouni Högander <jouni.hogander@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220224202523.993560-1-jose.souza@intel.com
Currently we are observing occasional screen flickering when
PSR2 selective fetch is enabled. More specifically glitch seems
to happen on full frame update when cursor moves to coords
x = -1 or y = -1.
According to Bspec SF Single full frame should not be set if
SF Partial Frame Enable is not set. This happened to be true for
ADLP as PSR2_MAN_TRK_CTL_ENABLE is always set and for ADL_P it's
actually "SF Partial Frame Enable" (Bit 31).
Setting "SF Partial Frame Enable" bit also on full update seems to
fix screen flickering.
Also make code more clear by setting PSR2_MAN_TRK_CTL_ENABLE
only if not on ADL_P. Bit 31 has different meaning in ADL_P.
Bspec: 49274
v2: Fix Mihai Harpau email address
v3: Modify commit message and remove unnecessary comment
Tested-by: Lyude Paul <lyude@redhat.com>
Fixes: 7f6002e58025 ("drm/i915/display: Enable PSR2 selective fetch by default")
Reported-by: Lyude Paul <lyude@redhat.com>
Cc: Mihai Harpau <mharpau@gmail.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Bugzilla: https://gitlab.freedesktop.org/drm/intel/-/issues/5077
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220225070228.855138-1-jouni.hogander@intel.com
VBT 249 update to support more TMDS clock rate 3.00G, 3.40G
and 5.94G. Refer to this new definition to configure max
TMDS clock rate for HDMI driver.
BSpec: 20124
v2: new subject
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220303083802.5071-1-shawn.c.lee@intel.com
Remove the local onoff() implementation and adopt the
str_on_off() from linux/string_helpers.h.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220225234631.3725943-4-lucas.demarchi@intel.com
Remove the local enableddisabled() implementation and adopt the
str_enabled_disabled() from linux/string_helpers.h.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220225234631.3725943-3-lucas.demarchi@intel.com
Remove the local enabledisable() implementation and adopt the
str_enable_disable() from linux/string_helpers.h.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220225234631.3725943-2-lucas.demarchi@intel.com
Remove the local yesno() implementation and adopt the str_yes_no() from
linux/string_helpers.h.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220225234631.3725943-1-lucas.demarchi@intel.com
To catch up with recent rounds of pull requests
and get some drm-misc dependencies so we can merge
linux/string_helpers related changes.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Don't populate the read-only arrays on the stack but instead make
them static const and signed 8 bit ints. Also makes the object code a
little smaller. Reformat the statements to clear up checkpatch warning.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220223120923.239867-1-colin.i.king@gmail.com
Move intel_display_power_well_is_enabled() to intel_power_well.c, as a step
towards making the low-level power well internals (i915_power_well_ops/desc
structs) hidden.
Eventually the call to this function and in general accessing power
wells directly from elsewhere in the driver should be replaced by the
use of power domains.
No functional change.
Suggested-by: Jani Nikula <jani.nikula@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220222165137.1004194-9-imre.deak@intel.com
Add functions to get a power well's actual- and cached-enabled state,
name, domain mask and refcount, as a step towards making the low-level
power well internals (i915_power_well_ops/desc structs) hidden.
No functional change.
Suggested-by: Jani Nikula <jani.nikula@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220222165137.1004194-8-imre.deak@intel.com
Add a function to call a power well's sync_hw() hook, instead of
open-coding the same, as a step towards making the low-level
power well internals (i915_power_well_ops/desc structs) hidden.
The cached-enable state should be always up-to-date, so update it
whenever sync_hw() is called.
No functional change.
Suggested-by: Jani Nikula <jani.nikula@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220222165137.1004194-7-imre.deak@intel.com
Move the power well get/put/enable/disable hooks to the new
intel_display_power_well.c file. The motivation is to reduce the clutter
in intel_display_power.c, keeping the functionality related to power
domains in that file and moving the low-level power well functionality
to intel_display_power_well.c.
No functional change.
Suggested-by: Jani Nikula <jani.nikula@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220222165137.1004194-6-imre.deak@intel.com
Move the i915_power_well_regs struct into i915_power_well_ops. Most of
the power wells use the same ops/regs combination, so this saves some
space and also simplifies the platform power domain->power well
definitions.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220222165137.1004194-5-imre.deak@intel.com
Commit d5ce34da31456a
("drm/i915: Add state verification for the TypeC port mode")
added a verification to the TypeC AUX power well enable()/disable()
hooks to check if the TypeC port related to this power well is properly
locked. If the disabling happens asynchronously the verification is
skipped, since in this case the port is unlocked. The detection of
asnychronous disabling doesn't work as intended though, since the power
well's reference count is always 0 when its disable() hook is called
(and since there won't be any domain reference held for this power well
either, the verification is always skipped); remove the verification
from the disable() hook for now. In the power well's enable() hook the
power well's reference will be always >0 and there won't be any
asynchronous disabling pending for it, so we can drop the async refcount
check from there.
No functional change.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220222165137.1004194-4-imre.deak@intel.com
Instead of open-coding the call of the power wells' enable()/disable()
hooks use the corresponding helper functions. This will also ensure that
the power well's cached-enable state is always up-to-date. Luckily the
lack of this updating hasn't been a problem, since the state either
didn't change (in intel_display_power_set_target_dc_state()), or got
updated subsequently (for vlv_cmnlane_wa(), in the following
intel_power_domains_sync_hw()).
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220222165137.1004194-3-imre.deak@intel.com
The POWER_DOMAIN_TRANSCODER() macro depends on the
POWER_DOMAIN_TRANSCODER_A/B .. DSI_A/C enum values to be consecutive,
move POWER_DOMAIN_TRANSCODER_VDSC_PW2 after these to ensure this. The
wrong order didn't cause a problem, since the DSI_A/C domains are in
always-on power wells on all relevant platforms. The same power well
ends up being enabled/disabled when the VDSC_PW2 domain is selected
incorrectly.
While at it add a code comment about enum values that need to stay
consecutive.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220222165137.1004194-2-imre.deak@intel.com
Use REG_FIELD_{PREP,GET} for completeness, and to avoid bitwise
operations with different sizes.
v2: Also use REG_FIELD_GET in skl_wm_level_from_reg_val() (Ville)
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/20220223103517.634229-1-jani.nikula@intel.com
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Backmerge tag 'v5.17-rc6' into drm-next
This backmerges v5.17-rc6 so I can merge some amdgpu and some tegra changes on top.
Signed-off-by: Dave Airlie <airlied@redhat.com>
When calculating pipe_mode and when doing readout we need
to order our steps correctly.
1. We start with adjusted_mode crtc timings being populated
with the transcoder timings (either via readout or
compute_config(). These will be per-segment for MSO.
2. For all other uses we want the full crtc timings so
we ask intel_splitter_adjust_timings() to expand
the per-segment numbers to their full glory
3. If bigjoiner is used we the divide the full numbers
down to per-pipe numbers using intel_bigjoiner_adjust_timings()
During readout we also have to reconstruct the adjusted_mode
normal timings (ie. not the crtc_ stuff). These are supposed
to reflect the full timings of the display. So we grab these
between steps 2 and 3.
The "user" mode readout (mainly done for fastboot purposes)
should be whatever mode the user would have used had they
asked us to do a modeset. We want the full timings for this
as the per-segment timings are not suppoesed to be user visible.
Also the user mode normal timings hdisplay/vdisplay need to
match PIPESRC (that is where we get our PIPESRC size
we doing a modeset with a user supplied mode).
And we end up with
- adjusted_mode normal timigns == full timings
- adjusted_mode crtc timings == transcoder timings
(per-segment timings for MSO, full timings otherwise)
- pipe_mode normal/crtc timings == pipe timings
(full timings divided by the number of bigjoiner pipes, if any)
- user mode normal timings == full timings with
hdisplay/vdisplay replaced with PIPESRC size
- user mode crtc timings == full timings
Yes, that is a lot of timings. One day we'll try to remove
some of the ones we don't actually need to keep around...
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/20220223131315.18016-10-ville.syrjala@linux.intel.com
Pull intel_crtc_compute_pipe_mode() out from
intel_crtc_compute_config(). Since it's semi related
we'll suck in the max dotclock/double wide checks in
as well.
And we'll pimp the debugs while at it.
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/20220223131315.18016-9-ville.syrjala@linux.intel.com
