Add entries for dg1 plls and setup dg1_pll_mgr to reuse ICL callbacks.
Initial setup for shared dplls DPLL0/1 for DDIA/DDIB and DPLL2/3 for
DDI-TC1/DDI-TC2. Configure dpll cfgcrx registers to drive the plls on
DG1.
v2 (Lucas): Reword commit message and add missing update_ref_clks hook
(requested by Matt Roper)
Signed-off-by: Aditya Swarup <aditya.swarup@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201014191937.1266226-5-lucas.demarchi@intel.com
Recently we came across requirement to identify EHL and JSL
platform to program them differently. Thus Split the basic
platform definition, macros, and PCI IDs to differentiate
between EHL and JSL platforms. Also, IS_ELKHARTLAKE is replaced
with IS_JSL_EHL everywhere.
Changes since V1 :
- Rebased to avoid merge conflicts
- Added missed check for jasperlake in intel_uc_fw.c
Cc : Matt Roper <matthew.d.roper@intel.com>
Cc : Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201013192948.63470-1-tejaskumarx.surendrakumar.upadhyay@intel.com
Apply Display WA #22010492432 for combo PHY PLLs too. This should fix a
problem where the PLL output frequency is slightly off with the current
PLL fractional divider value.
I haven't seen an actual case where this causes a problem, but let's
follow the spec. It's also needed on some EHL platforms, but for that we
also need a way to distinguish the affected EHL SKUs, so I leave that
for a follow-up.
v2:
- Apply the WA at one place when calculating the PLL dividers from the
frequency and the frequency from the dividers for all the combo PLL
use cases (DP, HDMI, TBT). (Ville)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201003001846.1271151-6-imre.deak@intel.com
The BIOS of at least one ASUS-Z170M system with an SKL I have programs
the 101b WRPLL PDIV divider value, which is the encoding for PDIV=7 with
bit#0 incorrectly set.
This happens with the
"3840x2160": 30 262750 3840 3888 3920 4000 2160 2163 2168 2191 0x48 0x9
HDMI mode (scaled from a 1024x768 src fb) set by BIOS and the
ref_clock=24000, dco_integer=383, dco_fraction=5802, pdiv=7, qdiv=1, kdiv=1
WRPLL parameters (assuming PDIV=7 was the intended setting). This
corresponds to 262749 PLL frequency/port clock.
Later the driver sets the same mode for which it calculates the same
dco_int/dco_frac/div WRPLL parameters (with the correct PDIV=7 encoding).
Based on the above, let's assume that PDIV=7 was intended and the HW
just ignores bit#0 in the PDIV register field for this setting, treating
100b and 101b encodings the same way.
While at it add the MISSING_CASE() for the p0,p2 divider decodings.
v2: (Ville)
- Add a define for the incorrect divider value.
- Emit only a debug message when detecting the incorrect divider value.
- Use fallthrough from the incorrect divider value case.
- Add the MISSING_CASE()s.
v3: Return 0 freq for incorrect divider values. (Ville)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201006013555.1488262-1-imre.deak@intel.com
We currenty check for platform at multiple parts in the driver
to grab the correct PLL. Let us begin to centralize it through a
helper function.
v2: s/intel_get_pll_enable_reg()/intel_combo_pll_enable_reg() (Ville)
v3: Clean up combo_pll_disable() (Rodrigo)
v4: s/dev_priv/i915 (Jani)
Move static and return type to the same line( Ville, Jani)
Suggested-by: Matt Roper <matthew.d.roper@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200914175703.15024-1-anusha.srivatsa@intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Merge tag 'v5.9-rc4' into drm-next
Backmerge 5.9-rc4 as there is a nasty qxl conflict
that needs to be resolved.
Signed-off-by: Dave Airlie <airlied@redhat.com>
If HTI (also sometimes called HDPORT) is enabled at startup, it may be
using some of the PHYs and DPLLs making them unavailable for general
usage. Let's read out the HDPORT_STATE register and avoid making use of
resources that HTI is already using.
v2:
- Fix minor checkpatch warnings
v3:
- Just readout HDPORT_STATE register once during init and then parse it
later as needed.
- Add a 'has_hti' device info flag to track whether we should readout
HDPORT_STATE or not. We can skip the platform/flag tests later since
the hti_state in dev_priv will remain 0 for platforms it does not
apply to.
- Move PLL masking into icl_get_combo_phy_dpll() since at the moment
RKL is the only platform that has HTI. (Jose)
Bspec: 49189
Bspec: 53707
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200716220551.2730644-5-matthew.d.roper@intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Rocket Lake has a third DPLL (called 'DPLL4') that must be used to
enable a third display. Unlike EHL's variant of DPLL4, the RKL variant
behaves the same as DPLL0/1. And despite its name, the DPLL4 registers
are offset as if it were DPLL2.
v2:
- Add new .update_ref_clks() hook.
v3:
- Renumber TBT PLL to '3' and switch _MMIO_PLL3 to _MMIO_PLL (Lucas)
v4:
- Don't drop _MMIO_PLL3; although it's now unused, we're going to need
it very soon again for upcoming DG1 patches. (Lucas)
v5:
- Don't re-number TBT PLL and beyond, just use new RKL_DPLL_CFGCR
macros to lookup the proper registers instead. Although renumbering
the PLLs might be something we want to consider down the road, it
opens a big can of worms right now since a bunch of places in the
code have an assumption that the PLL table has idx==id and no holes.
Renumbering creates a hole for TGL, so we'd either need to allow
holes in the table or break the idx==id invariant, both of which are
somewhat invasive changes to the design.
Bspec: 49202
Bspec: 49443
Bspec: 50288
Bspec: 50289
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200716220551.2730644-4-matthew.d.roper@intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
To simplify things, call the combo PHY/TBT PLL calculation functions
directly from the corresponding combo/TypeC PLL get functions, instead of
calling the same calculation functions after having to recheck if the
given PHY is combo or TypeC.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200629185848.20550-2-imre.deak@intel.com
When the reference clock is 38.4MHz, using the current TBT PLL
fractional divider value results in a slightly off TBT link frequency.
This causes an endless loop of link training success followed by a bad
link signaling and retraining at least on a Dell WD19TB TBT dock. The
workaround provided by the HW team is to divide the fractional divider
value by two. This fixed the link training problem on the ThinkPad dock.
The same workaround is needed on some EHL platforms and for combo PHY
PLLs, these will be addressed in a follow-up.
Bspec: 49204
References: HSDES#22010772725
References: HSDES#14011861142
Reported-and-tested-by: Khaled Almahallawy <khaled.almahallawy@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Khaled Almahallawy <khaled.almahallawy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200629185848.20550-1-imre.deak@intel.com
struct drm_device specific drm_WARN* macros include device information
in the backtrace, so we know what device the warnings originate from.
Prefer drm_WARN_ON over WARN_ON at places where struct drm_device
pointer can be extracted.
Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200406112800.23762-8-pankaj.laxminarayan.bharadiya@intel.com
Fix the following kerneldoc warning and while at it also the doc for the
corresponding vfunc hook.
$ make htmldocs 2>&1 > /dev/null | grep i915
./drivers/gpu/drm/i915/display/intel_dpll_mgr.h:285: warning: Function parameter or member 'get_freq' not described in 'intel_shared_dpll_funcs'
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200304150918.25473-1-imre.deak@intel.com
All platforms using the shared DPLL framework use 3 reference clocks for
their DPLLs: SSC, non-SSC and DSI. For a more unified way across
platforms store the frequency of these ref clocks as part of the DPLL
global state. This also allows us to keep the HW access reading out the
ref clock value separate from the DPLL frequency calculation that
depends on the ref clock.
For now add only the SSC and non-SSC ref clocks, as the pre-ICL DSI code
has its own logic for calculating DPLL parameters instead of the shared
DPLL framework.
v2:
- Apply the ICL combo PHY PLL ref_clock/2 adjustment during the
frequency->PLL param conversion direction as well. (CI shards)
- s/kHZ/kHz/ (Ville)
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200228153328.17842-1-imre.deak@intel.com
The types of PLLs used for HDMI/DP on HSW are WRPLL/LCPLL accordingly,
so use these names to align better with the rest of WRPLL/LCPLL function
names elsewhere.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226203455.23032-9-imre.deak@intel.com
For clarity keep the SKL DPLL ref clock in a variable instead of
open-coding it. Store the value in kHZ units as done on other platforms.
This allows us in a later patch to keep track of the DPLL ref clock in a
more unified way across all platforms.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226203455.23032-8-imre.deak@intel.com
Move all the DPLL params->DPLL frequency conversion functions to
intel_dpll_mgr.c where the corresponding inverse conversions are.
The GEN11+ TBT PLL outputs multiple frequencies and for selecting the
one in use we need to check the DDI CLK mux. As part of the DDI clock
logic this selection is kept in intel_ddi.c.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226203455.23032-7-imre.deak@intel.com
For clarity add a new DPLL specific struct to the i915 device struct and
move all DPLL fields into it. Accordingly remove the dpll_ prefixes, as
the new struct already provides the required namespacing.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226203455.23032-4-imre.deak@intel.com
Split up crtc_state->base to uapi. This is done using the following patch,
ran after the previous commit that splits out any hw references:
@@
struct intel_crtc_state *T;
@@
-T->base
+T->uapi
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191031112610.27608-5-maarten.lankhorst@linux.intel.com
This slightly simplifies the EHL DPLL4 handling and also gives us more
flexibility in the future in case we need to skip the use of specific
PLL's (e.g., due to hardware workarounds and such).
v2:
- Replace GENMASK() with or'd BIT()'s to make the specific DPLLs more
explicit. (Ville)
- s/unsigned/unsigned long/. (Lucas)
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191008172920.11362-1-matthew.d.roper@intel.com
The Thunderbolt PLL divider values on TGL differ from the ICL ones,
update the PLL parameter calculation function accordingly.
Bspec: 49204
v2:
- Remove unused refclk config. (José)
Cc: Jose Souza <jose.souza@intel.com>
Cc: Clinton A Taylor <clinton.a.taylor@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Mika Westerberg <mika.westerberg@intel.com>
Tested-by: Mika Westerberg <mika.westerberg@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jose Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191002204108.32242-1-imre.deak@intel.com
Link training is failling when running link at 2.7GHz and 1.62GHz and
following BSpec pll algorithm.
Comparing the values calculated and the ones from the reference table
it looks like MG_CLKTOP2_CORECLKCTL1_A_DIVRATIO should not always set
to 5. For DP ports ICL mg pll algorithm sets it to 10 or 5 based on
div2 value, that matches with dkl hardcoded table.
So implementing this way as it proved to work in HW and leaving a
comment so we know why it do not match BSpec.
v4:
Using the same is_dp check as ICL, need testing on HDMI over tc port
Issue reported on BSpec 49204.
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190926210659.56317-3-jose.souza@intel.com
Extending ICL mg calculations to also support dkl calculations.
v3:
Fixing iref_trim calculation for 38400 refclock
BSpec: 49204
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190924210040.142075-5-jose.souza@intel.com
The final save operation into pll_state of the calculations done will
be different for DKL PHY. Prepare for that by reindenting code so it's
easier to check for correctness. This one has no change in behavior.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190924210040.142075-4-jose.souza@intel.com
Add a new function to write to dkl phy pll registers. As per the
bspec all the registers are read modify write.
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190924210040.142075-2-jose.souza@intel.com
The disable function can be the same as for MG phy since the same
registers are used. The others are different as registers changed,
also adding a empty dkl_pll_write() to be implemented later.
v2:
Setting the right HIP_INDEX_REG bits (José)
v3:
Masking non-computed registers of mg_pll_tdc_coldst_bias
when getting hardware state
Sharing mg_pll_enable() with TGL
Reviewed-by: Imre Deak <imre.deak@intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190924210040.142075-1-jose.souza@intel.com
Commit 24a7bfe0c2 ("drm/i915: Keep the TypeC port mode fixed when the
port is active") added this new hook while in parallel TGL upstream was
happening and this was missed.
Without this driver will crash when TC DDI is added and driver is
preparing to do a full modeset.
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Clinton A Taylor <clinton.a.taylor@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190920205810.211048-4-jose.souza@intel.com
enum port is a mess now because it no longer matches the spec
at all. Let's start to dig ourselves out of this hole by
reducing our reliance on port_name(). This should at least make
a bunch of debug messages a bit more sensible while we think how
to fill the the hole properly.
Based on the following cocci script with a lot of manual cleanup
(all the format strings etc.):
@@
expression E;
@@
(
- port_name(E->port)
+ E->base.base.id, E->base.name
|
- port_name(E.port)
+ E.base.base.id, E.base.name
)
@@
enum port P;
expression E;
@@
P = E->port
<...
- port_name(P)
+ E->base.base.id, E->base.name
...>
@@
enum port P;
expression E;
@@
P = E.port
<...
- port_name(P)
+ E.base.base.id, E.base.name
...>
@@
expression E;
@@
{
- enum port P = E;
... when != P
}
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190830182719.32608-1-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
To reduce the number of explicit dev_priv->uncore calls in the display
code ahead of the introduction of dev_priv->de_uncore, this patch
introduces a wrapper for one of the main usages of it, the register
waits. When we transition to the new uncore, we can just update the
wrapper to point to the appropriate structure.
Since the vast majority of waits are on a set or clear of a bit or mask,
add set & clear flavours of the wrapper to simplify the code.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190816012343.36433-7-daniele.ceraolospurio@intel.com
Everything about the file is about display, and mostly about types
related to display. Move under display/ as intel_display_types.h to
reflect the facts.
There's still plenty to clean up, but start off with moving the file
where it logically belongs and naming according to contents.
v2: fix the include guard name in the renamed file
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190806113933.11799-1-jani.nikula@intel.com
Although, DPLL4 enable and disable is associated with MGPLL1_ENABLE
register, we can use ICL_DPLL_CFGCR0/CR1 macros to access this dpll's
CR0 and CR1 registers by passing an id of 4 to these macros.
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190717021316.18610-1-vivek.kasireddy@intel.com
On TGL the port programming for combophy is very similar to ICL, so
adapt the callers to possibly use the different register values.
v2 (Lucas): Add TODO with about DPLL4 (requested by Ville)
Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190711173115.28296-21-lucas.demarchi@intel.com
Add a new pll array for Tiger Lake. The TC pll functions for type C will
be covered in later patches after its phy is implemented.
Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190711173115.28296-12-lucas.demarchi@intel.com
Transition the remaining uses of intel_port_is_* over to the equivalent
intel_phy_is_* functions and drop the port functions.
v5: Fix a call in a debug function that's only called when
CONFIG_DRM_I915_DEBUG_RUNTIME_PM is on. (CI)
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190709183934.445-5-matthew.d.roper@intel.com
For consistency clear the icl_port_dplls from the new crtc state, when
releasing the DPLLs from the old crtc state. Leaving them set could
result in releasing the same PLLs multiple times from the same CRTC
state incorrectly (if the same CRTC was first used for a TypeC port then
for a combo PHY port).
Leaving the stale pointers behind happens not to cause a problem atm
(since the incorrect releasing will be a NOP), but we need to fix that
for consistency.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190708140735.20198-2-imre.deak@intel.com
For symmetry with the get_dplls() hook which sets the shared_dpll
pointer clear the same pointer from the put_dplls() hook.
While at it also constify the old crtc state.
v2:
- Constify the old crtc state. (Ville)
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190708140735.20198-1-imre.deak@intel.com
