216 Commits

Author SHA1 Message Date
Maarten Lankhorst
c7b5abd3e0 drm/i915: Remove i915_drm_suspend_mode
enum i915_drm_suspend_mode suspend_mode is only used in
intel_display_power, while we only care about whether we perform a
s2idle. Remove it and use a simple bool.

v2: Rebase

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> # v1
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230529105900.1942814-1-jani.nikula@intel.com
2023-06-02 20:25:00 +03:00
Matt Roper
5af5169d75 drm/i915: Convert INTEL_INFO()->display to a pointer
Rather than embeddeding the display's device info within the main device
info structure, just provide a pointer to the display-specific
structure.  This is in preparation for moving the display device info
definitions into the display code itself and for eventually allowing the
pointer to be assigned at runtime on platforms that use GMD_ID for
device identification.

In the future, this will also eventually allow the same display device
info structures to be used outside the current i915 code (e.g., from the
Xe driver).

v2:
 - Move introduction of DISPLAY_INFO() to this patch.  (Andrzej)
v3:
 - Also use DISPLAY_INFO() in intel_display_reg_defs.h.  (Andrzej)
 - Use "{}" instead of "{ 0 }" for empty struct init.  (Jani)

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230523195609.73627-3-matthew.d.roper@intel.com
2023-05-24 08:34:42 -07:00
Jani Nikula
6b9bd7c35d drm/i915/display: add i915 parameter to I915_STATE_WARN()
Add i915 parameter to I915_STATE_WARN() and use device based logging.

Done using cocci + hand edited where there was no i915 local variable
ready.

v2: avoid null deref in verify_connector_state()

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230512181658.1735594-1-jani.nikula@intel.com
2023-05-15 12:13:54 +03:00
Jani Nikula
476f62b8a5 drm/i915: use explicit includes for i915_reg.h and i915_irq.h
A lot of places include i915_reg.h implicitly via i915_irq.h, which gets
included implicitly via intel_display_trace.h. Remove the includes from
the headers, and include i915_reg.h and i915_irq.h explicitly where
needed.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230419094243.366821-1-jani.nikula@intel.com
2023-04-19 15:55:05 +03:00
Jani Nikula
689e61a4fd drm/i915/wm: split out SKL+ watermark regs to a separate file
Clean up i915_reg.h by splitting out SKL+ watermark regs to
display/skl_watermark_regs.h.

v2: Rebased

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com> # v1
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230331090949.2858951-1-jani.nikula@intel.com
2023-04-04 10:05:38 +03:00
Lee Jones
63c154a044 drm/i915/display/intel_display_power: Fix incorrectly documented function __intel_display_power_put_async()
Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/i915/display/intel_display_power.c:712: warning: expecting prototype for intel_display_power_put_async(). Prototype was for __intel_display_power_put_async() instead

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Imre Deak <imre.deak@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230331092607.700644-18-lee@kernel.org
2023-04-03 16:00:55 +03:00
Jani Nikula
065695b3da drm/i915/pps: split out PPS regs to a separate file
Clean up i915_reg.h by splitting out PPS regs to
display/intel_pps_regs.h.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/80d66ee6d7e56153a0ab25640ac2dad239b1ef6e.1678973282.git.jani.nikula@intel.com
2023-03-30 19:30:25 +03:00
Ville Syrjälä
287bfaf6fe drm/i915: Make utility pin asserts more accurate
Only the PWM output mode of the utility pin is incompatible
with DC6/LCPLL disable. Check for that specifically.

References: https://gitlab.freedesktop.org/drm/intel/-/issues/6609
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230328164938.8193-1-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2023-03-30 14:48:51 +03:00
José Roberto de Souza
c4298d1577 drm/i915/display/mtl: Program latch to phy reset
Latch reset of phys during DC9 and when driver is unloaded to avoid
phy reset.

Specification ask us to program it closer to the step that enables
DC9 in DC_STATE_EN but doing this way allow us to sanitize the phy
latch during driver load.

BSpec: 49197
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230301201053.928709-6-radhakrishna.sripada@intel.com
2023-03-09 09:44:53 -08:00
Jani Nikula
825f0de2fd drm/i915/power: move dc state members to struct i915_power_domains
There's only one reference to the struct intel_dmc members dc_state,
target_dc_state, and allowed_dc_mask within intel_dmc.c, begging the
question why they are under struct intel_dmc to begin with.

Moreover, the only references to i915->display.dmc outside of
intel_dmc.c are to these members.

They don't belong. Move them from struct intel_dmc to struct
i915_power_domains, which seems like a more suitable place.

Cc: Imre Deak <imre.deak@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230301122944.1298929-1-jani.nikula@intel.com
2023-03-06 19:09:33 +02:00
Andrzej Hajda
992ed9d525 drm/i915/display/power: use intel_de_rmw if possible
The helper makes the code more compact and readable.

Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230217111836.864959-1-andrzej.hajda@intel.com
2023-02-21 13:44:50 -05:00
Matt Roper
69ea87e159 drm/i915/dg1: Drop support for pre-production steppings
Several post-DG1 platforms have been brought up now, so we're well past
the point where we usually drop the workarounds that are only applicable
to internal/pre-production hardware.

Production DG1 hardware always has a B0 stepping for both display and
GT.

Bspec: 44463
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230127224313.4042331-3-matthew.d.roper@intel.com
2023-01-30 10:08:18 -08:00
Matt Roper
d1702963ab drm/i915/tgl: Drop support for pre-production steppings
Several post-TGL platforms have been brought up now, so we're well past
the point where we usually drop the workarounds that are only applicable
to internal/pre-production hardware.

Production TGL hardware always has display stepping C0 or later and GT
stepping B0 or later (this is true for both the original TGL and the U/Y
subplatform).

Bspec 44455
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230127224313.4042331-2-matthew.d.roper@intel.com
2023-01-30 10:08:16 -08:00
Jani Nikula
a0c5149088 drm/i915/power: switch to intel_de_* register accessors in display code
Avoid direct uncore use in display code.

Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/21ea52a7c4fd400c256316143e3a2c9106c554d9.1670433372.git.jani.nikula@intel.com
2022-12-08 14:57:37 +02:00
Imre Deak
f645cbda12 drm/i915/tgl+: Enable display DC power states on all eDP ports
Starting with TGL eDP is supported on ports B+ (besides port A), so make
sure DC states are not blocked on any such ports. For this add an
AUX_IO_<port> power domain for each port with eDP support. These domains
similarly to AUX_IO_A enable only the AUX_IO_<port> power well for an
enabled port, whereas the existing AUX_<port> domains enable both the
AUX_IO_<port> and the DC_OFF power wells as required by DP AUX transfers.

v2: (Ville)
- Split the change using AUX vs. AUX_IO on port A to a separate patch.
- Select AUX_IO vs. AUX based on crtc_state->has_psr instead of
  is_edp().
v3:
- Rebased on checking intel_encoder_can_psr() instead of crtc->has_psr.
v4:
- Fix warn in intel_display_power_aux_io_domain(). (Ville)

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
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/20221114122251.21327-6-imre.deak@intel.com
2022-11-18 17:28:42 +02:00
Imre Deak
5c30cfcd40 drm/i915: Move the POWER_DOMAIN_AUX_IO_A definition to its logical place
Move the definition of the AUX_IO_A power domain, requiring only the
corresponding AUX_IO_A power well to be enabled, before all the
AUX_<port> power domains, which require both the AUX_IO_<port> and the
DC_OFF power wells to be enabled.

No functional change.

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/20221114122251.21327-4-imre.deak@intel.com
2022-11-18 17:28:24 +02:00
Imre Deak
10b85f0e1d drm/i915: Fix warn in intel_display_power_*_domain() functions
The intel_display_power_*_domain() functions should always warn if a
default domain is returned as a fallback, fix this up. Spotted by Ville.

Fixes: 979e1b32e0e2 ("drm/i915: Sanitize the port -> DDI/AUX power domain mapping for each platform")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jouni Högander <jouni.hogander@intel.com>
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/20221114122251.21327-2-imre.deak@intel.com
2022-11-18 17:27:36 +02:00
Andrzej Hajda
3703060d17 drm/i915/display: remove drm_device aliases
drm_device pointers are unwelcome.

Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221006204844.2831303-1-andrzej.hajda@intel.com
2022-10-11 13:34:12 +02:00
Ville Syrjälä
42a0d25649 drm/i915: Extract skl_watermark.c
Pull all the skl+ watermark code (and the dbuf/sagv/ipc code
since it's all sort of intertwined and I'm too lazy to think
of a finer grained split right now) into its own file from the
catch-all intel_pm.c.

Also sneak in the s/dev_priv/i915/ rename while at it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220908191646.20239-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2022-09-09 16:50:33 +03:00
Jani Nikula
b7d1559038 drm/i915: move dbuf under display sub-struct
Move display dbuf related members under drm_i915_private display
sub-struct.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3363a516c12bd8bfb240131e9eb9fc3a0f3057a3.1661779055.git.jani.nikula@intel.com
2022-08-31 17:21:34 +03:00
Jani Nikula
e3e8148f43 drm/i915: move and group power related members under display.power
Move display power related members under drm_i915_private display
sub-struct.

Arguably chv_phy_control and chv_phy_assert could be placed in a phy
substruct, but they are only used in the power code.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/57bfa82f6fe85a775f80c398b2a7dff77b9452b0.1661779055.git.jani.nikula@intel.com
2022-08-31 15:19:58 +03:00
Jani Nikula
d51309b4e9 drm/i915: move and group cdclk under display.cdclk
Move display cdclk related members under drm_i915_private display
sub-struct.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7df23655be5dc70fb1a2b43ce41e1682e40395d8.1661779055.git.jani.nikula@intel.com
2022-08-31 14:21:16 +03:00
Jani Nikula
6c77055aa6 drm/i915: move dmc to display.dmc
Move display dmc related members under drm_i915_private display
sub-struct.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7cb91222e099b96b82c74b5f086d50c43459d61b.1661346845.git.jani.nikula@intel.com
2022-08-29 12:36:30 +03:00
José Roberto de Souza
f02c7d5a8f drm/i915/display/mtl: Extend MBUS programming
Display version 14 also supports MBUS joining just like ADL-P
and also it does not need MBUS initialization, so extending ADL-P
code paths to display version 14 and higher.

Bspec: 49213

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220818234202.451742-20-radhakrishna.sripada@intel.com
2022-08-25 14:54:46 -07:00
Radhakrishna Sripada
61c8657822 drm/i915/mtl: Add support for MTL in Display Init sequences
The initialization sequence for Meteorlake reuses the sequence for
icelake for most parts. Some changes viz. reset PICA handshake
are added.

Bspec: 49189

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220818234202.451742-10-radhakrishna.sripada@intel.com
2022-08-25 12:52:00 -07:00
Jani Nikula
a9b4c16d88 drm/i915/backlight: split out backlight registers to a separate file
Declutter i915_reg.h by splitting backlight registers to a separate
file. Also include the utility pin definitions, even though they are
used for non-backlight things too.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220815094838.3511723-1-jani.nikula@intel.com
2022-08-16 10:42:33 +03:00
Imre Deak
36e599e179 drm/i915/xelpd: Fix unclaimed accesses while loading PIPEDMC-C/D
At the moment on DG2 at least loading the DMC firmware's PIPEDMC C and D
programs leads to sporadic unclaimed register accesses while programming
the initial state as described by the firmware's "MMIO init" table. This
will also lead to later unclaimed accesses for unrelated transcoder/pipe
registers backed by the pipe C and D display power wells.

Disabling the PIPEDMC clock gating during initialization - similarly to
Wa_16015201720 fixed this problem in my tests. While pipe A an B
requires the clock gating to be disabled all the time pipe C and D
requires this only while accessing the PIPEDMC registers.

Bspec: 49193
References: https://gitlab.freedesktop.org/drm/intel/-/issues/6526
References: https://gitlab.freedesktop.org/drm/intel/-/issues/6308
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220808103054.3586074-1-imre.deak@intel.com
2022-08-15 11:40:24 +03:00
Anusha Srivatsa
8eb403671e drm/i915/dg2: Add support for DC5 state
With the latest DMC in place, enabling DC5 on DG2.

Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220728183641.55692-1-anusha.srivatsa@intel.com
2022-08-02 17:22:32 +03:00
Imre Deak
f31bccd398 drm/i915/d13: Add Wa_16015201720 disabling clock gating for PIPEDMC-A/B
Add a workaround making sure that PIPEDMC-A/B is enabled when the
firmware needs these on D13 platforms to save/restore the registers
backed by the PW_1 and PW_A power wells.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220727164523.1621361-2-imre.deak@intel.com
2022-07-28 16:52:56 +03:00
Imre Deak
fa6a4cdeaf drm/i915/d12+: Disable DMC handlers during loading/disabling the firmware
Disable the DMC event handlers before loading the firmware and after
uninitializing the display, to make sure the firmware is inactive. This
matches the Bspec "Sequences for Display C5 and C6" page for GEN12+.

Add a TODO comment for doing the same on pre-GEN12 platforms.

v2:
- Add a macro for the number of event handlers.
- Disable the event handlers only on GEN12+.
- s/dev_priv/i915/ in docbook comment.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com> #v1
Link: https://patchwork.freedesktop.org/patch/msgid/20220728081440.1676857-1-imre.deak@intel.com
2022-07-28 16:51:27 +03:00
Ville Syrjälä
3d9c653cf6 drm/i915: Nuke PCH_JSP
JSP is based on ICP and we don't really need to differentiate
between the two. So let's just delcare JSP to be ICP.

The only slight change here is for Wa_14011294188 which we
used to apply for JSP but now we'll only apply to MCC. This
should be fine since the issue being dealt with was introduced
in TGP and inherited into MCC. JSP being derived from ICP
should not need this workaround.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220630150600.24611-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2022-07-06 20:33:47 +03:00
Ville Syrjälä
04155815db drm/i915: Move dbuf details to INTEL_INFO->display
DBUF is a display thing, so move it into the display
portion of the device info.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220623130900.26078-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2022-06-27 18:35:09 +03:00
Ashutosh Dixit
ee421bb4cb drm/i915/pcode: Extend pcode functions for multiple gt's
Each gt contains an independent instance of pcode. Extend pcode functions
to interface with pcode on different gt's. To avoid creating dependency of
display functionality on intel_gt, pcode function interfaces are exposed in
terms of uncore rather than intel_gt. Callers have been converted to pass
in the appropritate (i915 or intel_gt) uncore to the pcode functions.

v2: Expose pcode functions in terms of uncore rather than gt (Jani/Rodrigo)
v3: Retain previous function names to eliminate needless #defines (Rodrigo)
v4: Move out i915_pcode_init() to a separate patch (Tvrtko)
    Remove duplicated drm_err/drm_dbg from intel_pcode_init() (Tvrtko)

Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220519085732.1276255-2-tvrtko.ursulin@linux.intel.com
[tursulin: fixup merge conflict]
2022-05-20 09:11:27 +01:00
Imre Deak
7ecc3cc8a7 drm/i915: Fix 'mixing different enum types' warnings in intel_display_power.c
Fix the following sparse warnings:

drivers/gpu/drm/i915/display/intel_display_power.c:2431:34: warning: mixing different enum types:
drivers/gpu/drm/i915/display/intel_display_power.c:2431:34:    unsigned int enum intel_display_power_domain
drivers/gpu/drm/i915/display/intel_display_power.c:2431:34:    int enum port
drivers/gpu/drm/i915/display/intel_display_power.c:2442:37: warning: mixing different enum types:
drivers/gpu/drm/i915/display/intel_display_power.c:2442:37:    unsigned int enum intel_display_power_domain
drivers/gpu/drm/i915/display/intel_display_power.c:2442:37:    int enum port
drivers/gpu/drm/i915/display/intel_display_power.c:2468:43: warning: mixing different enum types:
drivers/gpu/drm/i915/display/intel_display_power.c:2468:43:    unsigned int enum intel_display_power_domain
drivers/gpu/drm/i915/display/intel_display_power.c:2468:43:    unsigned int enum aux_ch
drivers/gpu/drm/i915/display/intel_display_power.c:2479:35: warning: mixing different enum types:
drivers/gpu/drm/i915/display/intel_display_power.c:2479:35:    unsigned int enum intel_display_power_domain
drivers/gpu/drm/i915/display/intel_display_power.c:2479:35:    unsigned int enum aux_ch

Fixes: 979e1b32e0e2 ("drm/i915: Sanitize the port -> DDI/AUX power domain mapping for each platform")
Reported-by: Jani Nikula <jani.nikula@intel.com>
Cc: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220510114957.406070-1-imre.deak@intel.com
2022-05-12 14:03:27 +03:00
Anusha Srivatsa
ef83e1198f drm/i915/dmc: Load DMC on DG2
Add Support for DC states on Dg2.

v2: Add dc9 as the max supported DC states and disable DC5.
v3: set max_dc to 0. (Imre)

Cc: Imre Deak <imre.deak@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>(v1)
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220504202213.740200-2-anusha.srivatsa@intel.com
2022-05-12 00:44:16 +03:00
Imre Deak
799da9837d drm/i915: Remove the XELPD specific AUX and DDI power domains
The spec calls the XELPD_D/E ports just D/E, the platform prefix in the
domain names was only needed by the port->domain mapping relying on
matching enum values for the whole port/domain range (and the
corresponding aliasing between the platform specific domain enums).
Since a previous patch we can define the port->domain mapping explicitly
so do this by reusing the already existing D/E power domain names.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220414210657.1785773-18-imre.deak@intel.com
2022-04-20 20:42:13 +03:00
Imre Deak
e20b77c14b drm/i915: Remove the ICL specific TBT power domains
The spec calls the ICL TBT AUX power well instances TBT1-4 (similarly to
all later platforms), align the power domain names with the spec.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220414210657.1785773-16-imre.deak@intel.com
2022-04-20 20:42:13 +03:00
Imre Deak
c97bbab02a drm/i915: Remove the aliasing of power domain enum values
Aliasing the intel_display_power_domain enum values was required because
of the u64 power domain mask size limit. This makes the dmesg/debugfs
printouts of the domain names somewhat unclear, for instance domain
names for port D are shown on D12+ platforms where the corresponding
port is called TC1. Make this clearer by removing the aliasing which is
possible after a previous patch converting the mask to a bitmap.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220414210657.1785773-15-imre.deak@intel.com
2022-04-20 20:42:12 +03:00
Imre Deak
979e1b32e0 drm/i915: Sanitize the port -> DDI/AUX power domain mapping for each platform
Atm the port -> DDI and AUX power domain mapping is specified by relying
on the aliasing of the platform specific intel_display_power_domain enum
values. For instance D12+ platforms refer to the 'D' port and power
domain instances, which doesn't match the bspec terminology, on these
platforms the corresponding port is TC1. To make it clear what
port/domain the code refers to add a mapping between them which matches
the bspec terms on different display versions.

This also allows for removing the aliasing in enum values in a follow-up
patch.

v2: Add the functions to intel_display_power.c, use
    intel_display_power_ prefix.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220414210657.1785773-14-imre.deak@intel.com
2022-04-20 20:42:12 +03:00
Imre Deak
888a2a6312 drm/i915: Convert the u64 power well domains mask to a bitmap
To remove the aliasing of the power domain enum values in a follow-up
patch in this patchset (requiring a bigger mask) and allow for defining
additional power domains in the future (at least some upcoming TypeC
changes requires this) convert the u64 i915_power_well_desc::domains
mask to a bitmap.

For simplicity I changed the for_each_power_domain_well() macros to
accept one domain only instead of a mask, as there isn't any current
user passing multiple domains.

v2: Don't add a typedef for the bitmap struct. (Jani)

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/20220414210657.1785773-9-imre.deak@intel.com
2022-04-20 20:42:12 +03:00
Imre Deak
c32ffce42a drm/i915: Convert the power well descriptor domain mask to an array of domains
The next patch converts the i915_power_well_desc::domain mask from a u64
mask to a bitmap. I didn't find a reasonably simple way to initialize
bitmaps statically, so prepare for the next patch here by converting the
masks to an array of domain enums and initing the masks from these
arrays during module loading.

v2: Clarify list vs. array in the commit message. (Jani)

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/20220414210657.1785773-8-imre.deak@intel.com
2022-04-20 20:42:12 +03:00
Imre Deak
0ba2661db6 drm/i915: Rename the power domain names to end with pipes/ports
Make all power domain names end with the pipe/port instance for
consistency.

No functional changes.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220414210657.1785773-6-imre.deak@intel.com
2022-04-20 20:42:12 +03:00
Imre Deak
323286c812 drm/i915: Move the power domain->well mappings to intel_display_power_map.c
Move the list of platform specific power domain -> power well
definitions to intel_display_power_map.c. While at it group the
platforms' power domain macros with the corresponding power well lists
and keep all the power domain lists in the same order (matching the enum
order).

No functional changes.

v2:
- s/intel_display_power_internal.h/intel_display_power_map.h/ (Jani)
- Simplify intel_cleanup_power_wells().
- Don't move intel_display_power_domain_str().
v3:
- Rename intel_init/cleanup_power_wells() to
  intel_display_power_map_init/cleanup().
- Add documentation to intel_display_power_map_init/cleanup().

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/20220414210657.1785773-3-imre.deak@intel.com
2022-04-20 20:41:57 +03:00
Imre Deak
ac78f31b2f drm/i915: Unexport the for_each_power_well() macros
The for_each_power_well() macros are only used in intel_display_power.c
and intel_display_power_well.c, so unexport them.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220414210657.1785773-2-imre.deak@intel.com
2022-04-20 20:41:45 +03:00
Imre Deak
2cef35958d drm/i915: Move per-platform power well hooks to intel_display_power_well.c
Move the implementation of platform specific power well hooks to
intel_display_power_well.c, to reduce the clutter in
intel_display_power.c.

The locking of all the power domain/power well state is handled in the
power domain functions in intel_display_power.c using
i915_power_domains::lock. This patch also moves the
chy_phy_powergate_ch/lanes() functions to intel_display_power_well.c
which borrow the same lock to protect the DISPLAY_PHY_CONTROL register
state, which the HW uses both for toggling power wells and power gating
PHY lanes.

No functional change.

v2:
- Clarify in the commit log why CHV functions using the
  i915_power_domains::lock were moved, while others locking the power
  domain/well state were kept in intel_display_power.c . (Jouni)
- Move forward declaration of chv_phy_powergate_ch/lanes() to
  intel_display_power_well.h .

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220414210657.1785773-1-imre.deak@intel.com
2022-04-20 20:41:39 +03:00
Jani Nikula
790daf744e drm/i915/dmc: move assert_dmc_loaded() to intel_dmc.c
Start localizing DMC register and data access to intel_dmc.c.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/4b96fe56c9c01bc671992dd6fe619638b157878f.1647870374.git.jani.nikula@intel.com
2022-03-30 13:00:22 +03:00
Jani Nikula
78a574deef drm/i915/dmc: simplify intel_dmc_load_program() conditions
intel_dmc_load_program() is only ever called when
intel_dmc_has_payload() is true. Move the condition within
intel_dmc_load_program() to let it be called directly.

Also note that intel_dmc_has_payload() will always return false when
HAS_DMC() is false. Remove the redundant check.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c8ec46a44071f80b9c97617391b30e0c61ebc3e6.1647870374.git.jani.nikula@intel.com
2022-03-30 13:00:19 +03:00
Lucas De Marchi
707c3a7d99 drm/i915: Use str_enable_disable()
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
2022-03-02 08:48:18 -08:00
Imre Deak
47f16fe535 drm/i915: Move intel_display_power_well_is_enabled() to intel_display_power_well.c
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
2022-02-28 17:03:33 +02:00
Imre Deak
3ab5e051cb drm/i915: Add functions to get a power well's state/name/domains/mask/refcount
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
2022-02-28 17:03:33 +02:00