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Author SHA1 Message Date
Dnyaneshwar Bhadane
cc0c986a38 drm/i915/adlp: s/ADLP/ALDERLAKE_P for display and graphics step
Driver refers to the platform Alderlake P as ADLP in places
and ALDERLAKE_P in some. Making the consistent change
to avoid confusion of the right naming convention for
the platform.

v2:
- Unrolled wrapper IS_ADLP_GRAPHICS_STEP and Replace
- Added IS_ALDERLAKE_P() && IS_GRAPHICS_STEP() (Jani/Tvrtko).

v3:
- Removed unused macros of display steps.

Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230801135344.3797924-11-dnyaneshwar.bhadane@intel.com
2023-08-07 15:37:10 -07:00
Dnyaneshwar Bhadane
0c65dc0626 drm/i915/jsl: s/JSL/JASPERLAKE for platform/subplatform defines
Follow consistent naming convention. Replace JSL with
JASPERLAKE. Unroll IS_JSL_EHL() define  with IS_JASPERLAKE() ||
IS_ELKHARTLAKE() condition. Change in the display step define for
Jasperlake.

v2:
- Change subject prefix skl instead of SKL(Anusha)

v3:
- Remove the use of define IS_JSL_EHL.
- Replace with IS_JASPERLAKE() || IS_ELKHARTLAKE()
- Unrolled wrapper IS_JSL_ELK_DISPLAY_STEP (Jani/Tvrtko)

v4:
- Removed unused macro

v5:
- Resolved valid checkpatch warning(Jani)

Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230801135344.3797924-9-dnyaneshwar.bhadane@intel.com
2023-08-07 15:37:06 -07:00
Jouni Högander
ef0af9db2a drm/i915/psr: Use hw.adjusted mode when calculating io/fast wake times
Encoder compute config is changing hw.adjusted mode. Uapi.adjusted mode
doesn't get updated before psr compute config gets called. This causes io
and fast wake line calculation using adjusted mode containing values before
encoder adjustments. Fix this by using hw.adjusted mode instead of
uapi.adjusted mode.

Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8475
Fixes: cb42e8ede5 ("drm/i915/psr: Use calculated io and fast wake lines")
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230620111745.2870706-1-jouni.hogander@intel.com
2023-06-21 13:49:51 +03:00
Ville Syrjälä
3e3c8e294b drm/i915/psr: Allow PSR with sprite enabled on hsw/bdw
Can't see why we'd want the sprite blocking PSR entry.
Mask it out.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-13-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-06-16 17:59:10 +03:00
Ville Syrjälä
1d3ebcfc5d drm/i915/psr: Don't skip both TP1 and TP2/3 on hsw/bdw
WA 0479 says: "Do not skip both TP1 and TP2/TP3". Let's just
stick the minimum 100us TP2/3 time in there to avoid that.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-12-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-06-16 17:58:56 +03:00
Ville Syrjälä
4d2391a0dd drm/i915/psr: Do no mask display register writes on hsw/bdw
hsw/bdw lack the pipe register vs. display register distinction
in their PSR masking capabilities. So to keep our CURSURFLIVE
tricks working we need to just unmask all display register writes
on these platforms. The downside being that any display regitster
(eg. even SWF regs) will cause a PSR exit.

Note that WaMaskMMIOWriteForPSR asks us to mask this on bdw, but
that won't work since we need those CURSURFLIVE tricks. Observations
on actual hardware show that this causes one extra PSR exit ~every
10 seconds, which is pretty much irrelevant. I suspect this is
due to the pcode poking at IPS_CTL. Disabling IPS does not stop it
however, so either I'm wrong or pcode pokes at the register
regardless of whether it's actually trying to enable/disable IPS.
Also when the machine is busy (eg. just running 'find /') these
extra PSR exits cease, which again points at pcode or some other
PM entity as being the culprit.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-11-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-06-16 17:58:33 +03:00
Ville Syrjälä
52b9c1ff2d drm/i915/psr: HSW/BDW have no PSR2
Deal with HSW/BDW in transcoder_has_psr2().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-7-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-06-16 17:57:05 +03:00
Ville Syrjälä
a181e94013 drm/i915/psr: Bring back HSW/BDW PSR AUX CH registers/setup
Reintroduce the special PSR AUX CH setup for hsw/bdw. Not all
of it was even removed (BDW AUX data registers were left behind).
Update the code to use REG_BIT() & co. while at it.

v2: Define the SRD_AUX_CTL bits in terms of DP_AUX_CTL bits (Jouni)
    Add a comment explaining the hand rolled DPCD write (Jouni)

Cc: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-6-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-06-16 17:55:56 +03:00
Ville Syrjälä
c18cee2ee8 drm/i915/psr: Reintroduce HSW PSR1 registers
Add back hsw'w special SRD/PSR1 registers.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-5-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-06-16 17:55:21 +03:00
Ville Syrjälä
6a6b0ab2f3 drm/i915/psr: Wrap PSR1 register with functions
In preparation for re-introducing HSW's different PSR1 register
offeets let's just wrap all the registers into functions.
Avoids having to make the register macros more complex.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230609141404.12729-4-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-06-16 17:55:05 +03:00
Luca Coelho
848a4e5c09 drm/i915: add a dedicated workqueue inside drm_i915_private
In order to avoid flush_scheduled_work() usage, add a dedicated
workqueue in the drm_i915_private structure.  In this way, we don't
need to use the system queue anymore.

This change is mostly mechanical and based on Tetsuo's original
patch[1].

v6 by Jani:
- Also create unordered_wq for mock device

Link: https://patchwork.freedesktop.org/series/114608/ [1]
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c816ebe17ef08d363981942a096a586a7658a65e.1686231190.git.jani.nikula@intel.com
2023-06-10 06:33:11 +03:00
Ville Syrjälä
a82e0b6fb2 drm/i915/psr: Sprinkle cpu_transcoder variables around
Reduce the 'intel_dp' stuff a bit by introducing local
cpu_transcoder variables.

Ideally I'd like the whole PSR code to stop using intel_dp
except during a full modeset, but dunno yet if that's
possible. But the less 'intel_dp' we have sprad around
the easier that should be to figure out eventually.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230411191429.29895-9-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-04-20 21:46:12 +03:00
Ville Syrjälä
4fb5f56905 drm/i915/psr: Include PSR_PERF_CNT in debugfs output on all platforms
The fact that DC states reset the PSR perofrmance counter
is no reason not to include it in the debug output.
But let's keep the comment there to remind people about
that caveat.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230411191429.29895-8-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-04-20 21:46:00 +03:00
Ville Syrjälä
2590ef92cd drm/i915/psr: Define more PSR mask bits
Define more of the PSR mask bits, and describe in detail
what some of them do. Even if we don't set them all from
the driver they can be very useful during PSR debugging.
Having to trawl through bspec every time to find them is
not fun, and re-reverse engineering the behaviour every
time is time consuming (even if a bit more fun than spec
trawling).

v2: Moar bits
    Put the description into a comment to be easily available
v2: Fix the BDW_UNMASK_VBL_TO_REGS_IN_SRD/HSW_UNMASK_VBL_TO_REGS_IN_SRD
    description
    Rebase due to intel_psr_regs.h

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230411191429.29895-6-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-04-20 21:45:19 +03:00
Ville Syrjälä
2624ee6635 drm/i915/psr: Use intel_de_rmw()
Replace some hand rolled RMW stuff with intel_de_rmw().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230411191429.29895-5-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-04-20 19:02:20 +03:00
Ville Syrjälä
1d9582dc2b drm/i915/psr: Clean up PSR register defininitions
Use REG_BIT() & co. to make the PSR register definitions
nicer.

v2: Rebase due to intel_psr_regs.h

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230411191429.29895-4-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-04-20 18:56:49 +03:00
Ville Syrjälä
76ec692721 drm/i915: Flag purely internal commits to not clear crtc_state->inherited
If we have to force the hardware to go through a full modeset
due to eg. cdclk reprogramming, we need to preserve
crtc_state->inherited for all crtcs that have not otherwise
gone through the whole compute_config() stuff after connectors
have been detected.

Otherwise eg. cdclk induced modeset glk_force_audio_cdclk()
will clear the inherited flag, and thus the first real commit
coming from userspace later on will not be forced through
the full .compute_config() path and so eg. audio state may
not get properly recomputed.

But instead of adding all kinds of ad-hoc crtc_state->inherited
preservation hacks all over, let's change things so that we
only clear it for the crtcs directly included in userspace/client
initiated commits.

Should be far less fragile since now we just need to remember
to flag the internal commits, and not worry about where new
crtcs might get pulled in.

Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5260
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230328122357.1697-1-ville.syrjala@linux.intel.com
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
2023-04-13 14:22:42 +03:00
Jani Nikula
7f6947fd36 drm/i915/psr: split out PSR regs to a separate file
Clean up i915_reg.h by splitting out PSR regs to
display/intel_psr_regs.h.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230331090949.2858951-2-jani.nikula@intel.com
2023-04-04 10:05:38 +03:00
Jouni Högander
1164c92b2d drm/i915/psr: Implement Display WA #1136
Implement Display WA #1136 for Pre-ICL.

Bspec: 21664

v2: Handle disable psr in pre/post plane hooks

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230329150703.432072-7-jouni.hogander@intel.com
2023-03-31 08:43:27 +03:00
Jouni Högander
8d18373a0e drm/i915/psr: Check that vblank is long enough for psr2
Ensure vblank >= psr2 vblank
where
Psr2 vblank = PSR2_CTL Block Count Number maximum line count.

Bspec: 71580, 49274

v2: Use calculated block count number maximum line count

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230329150703.432072-6-jouni.hogander@intel.com
2023-03-31 08:43:22 +03:00
Jouni Högander
f389e7ac8d drm/i915/psr: Add helpers for block count number handling
Add helpers to make it more clear how PSR2_CTL[Block Count Number]
is configured.

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230329150703.432072-5-jouni.hogander@intel.com
2023-03-31 08:43:18 +03:00
Jouni Högander
cdb015a611 drm/i915/psr: Implement Wa_14015648006
PSR WM optimization should be disabled based on any wm level being
disabled. Also same WA should be applied for ICL as well.

Bspec: 71580

v5:
 - Set in pre plane hook and clear in post plane hook
v4:
 - Handle mode change in psr enable/disable
 - Handle wm_level_disable changes separately in pre plane hook
v3:
 - Split patch
v2:
 - set/clear chicken bit in post_plane_update
 - apply for ICL as well

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230329150703.432072-4-jouni.hogander@intel.com
2023-03-31 08:43:09 +03:00
Jouni Högander
44222656ec drm/i915/psr: Modify/Fix Wa_16013835468 and prepare for Wa_14015648006
Wa_16013835468 is a separate from Wa_14015648006 and needs to be
applied for display version 12. Fix this by removing all the
references to Wa_14015648006 and apply Wa_16013835468 according to
Bspec.

Also move workaround into separate function as a preparation for
Wa_14015648006 implementation.

Bspec: 55378

v3:
 - apply for display version 12 only
v2:
 - keep applying the wa in intel_psr_enable_source

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230329150703.432072-3-jouni.hogander@intel.com
2023-03-31 08:42:57 +03:00
Jouni Högander
19d06582c4 drm/i915/psr: Unify pre/post hooks
pre/post hooks are doing things differently. Unify them.

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230329150703.432072-2-jouni.hogander@intel.com
2023-03-31 08:42:42 +03:00
Jani Nikula
e1435b67af drm/i915/psr: clean up PSR debugfs sink status error handling
Handle errors first and return early, and reduce indentation on the
happy day code path.

Cc: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230317134144.223936-3-jani.nikula@intel.com
2023-03-20 11:50:44 +02:00
Jani Nikula
09b9851776 drm/i915/psr: switch PSR debugfs to struct intel_connector
Prefer struct intel_connector over struct drm_connector.

Cc: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230317134144.223936-2-jani.nikula@intel.com
2023-03-20 11:50:41 +02:00
Jani Nikula
5cc0de4567 drm/i915/psr: move PSR debugfs to intel_psr.c
Move the debugfs next to the implementation.

Cc: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230317134144.223936-1-jani.nikula@intel.com
2023-03-20 11:50:21 +02:00
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
Ville Syrjälä
30c35a4ba9 drm/i915/psr: Fix the delayed vblank w/a
Fix the code to correctly determine whether delayed vblank
is used or not.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230127173044.24108-3-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
2023-03-01 17:11:19 +02:00
Jouni Högander
cb42e8ede5 drm/i915/psr: Use calculated io and fast wake lines
Currently we are using hardcoded 7 for io and fast wake lines.

According to Bspec io and fast wake times are both 42us for
DISPLAY_VER >= 12 and 50us and 32us for older platforms.

Calculate line counts for these and configure them into PSR2_CTL
accordingly

Use 45 us for the fast wake calculation as 42 seems to be too
tight based on testing.

Bspec: 49274, 4289

Cc: Mika Kahola <mika.kahola@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Fixes: 64cf40a125 ("drm/i915/psr: Program default IO buffer Wake and Fast Wake")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/7725
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230221085304.3382297-1-jouni.hogander@intel.com
2023-02-24 12:38:46 +02:00
Ville Syrjälä
fedee62781 drm/i915/psr: Stop clobbering TRANS_SET_CONTEXT_LATENCY
The PSR code has no business mucking around with the
vblank delay. Currently nothing that depends on knowing
the exact vblank start scanline (eg. vblank evasion)
is aware of this and so will not work correctly.

The w/a seems to be for pre-production hw only, so let's
just nuke it.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230213225258.2127-8-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2023-02-20 22:31:17 +02:00
Ville Syrjälä
5ac421a9ec drm/i915: Give CPU transcoder timing registers TRANS_ prefix
Name the CPU transcoder timing registers TRANS_FOO rather than
just FOO. This is the modern name, after the pipe/transcoder split
happened. Makes it a bit more obvious whether you pass in a pipe or
a transcoder.

PIPESRC is a bit special as it's a pipe register, even though it
lives in the transcoder registers range (0x60000 instead of 0x70000).

And BCLRPAT I suppose is a transcoder register (since it has something
to do with the timing generator), but it doesn't even exist after gen4
so I left it to use the only name it ever had in bspec.

And while at it let's pass in the correct enum in few more
places why don't we. Although in all those places the distinction
doesn't matter.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230213225258.2127-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2023-02-17 23:21:32 +02:00
Andrzej Hajda
aa80b2b12b drm/i915/display/panel: use intel_de_rmw if possible in panel related code
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: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230105131046.2173431-7-andrzej.hajda@intel.com
2023-02-16 18:10:46 +02:00
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
Jouni Högander
c22cf04c6a drm/i915/psr: Split sel fetch plane configuration into arm and noarm
SEL_FETCH_CTL registers are armed immediately when plane is disabled.
SEL_FETCH_* instances of plane configuration are used when doing
selective update and normal plane register instances for full updates.
Currently all SEL_FETCH_* registers are written as a part of noarm
plane configuration. If noarm and arm plane configuration are not
happening within same vblank we may end up having plane as a part of
selective update before it's PLANE_SURF register is written.

Fix this by splitting plane selective fetch configuration into arm and
noarm versions and call them accordingly. Write SEL_FETCH_CTL in arm
version.

v3:
 - add arm suffix into intel_psr2_disable_plane_sel_fetch
v2:
 - drop color_plane parameter from arm part
 - dev_priv -> i915 in arm part

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Cc: Vinod Govindapillai <vinod.govindapillai@intel.com>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Cc: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230130080651.3796929-1-jouni.hogander@intel.com
2023-01-30 16:42:38 +02:00
Jouni Högander
3d35fe712e drm/i915/psr: Implement Wa_14014971492
Implement Wa_14014971492 and apply it for affected platforms.

Bspec: 52890, 54369, 55378, 66624

v2: Adjust platforms where applied

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230124102636.2567292-2-jouni.hogander@intel.com
2023-01-26 13:54:05 +02:00
Jouni Högander
af9f44d351 drm/i915/psr: Implement Wa_14015648006
Add 4th pipe and extend TGL Wa_16013835468 to support ADLP, MTL and
DG2 and all TGL steppings.

BSpec: 54369, 55378, 66624

v3:
 - commit message modified
v2:
 - apply for PSR1 as well
 - remove stepping information from comments

Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230105065637.2063311-1-jouni.hogander@intel.com
2023-01-17 15:05:33 +02:00
Jani Nikula
cfc1048982 drm/i915/display: drop redundant display/ from #includes
Drop the redundant sub-directory from #includes under display/. Group
and sort the results.

v2: Rebase

Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230104153258.453431-1-jani.nikula@intel.com
2023-01-16 11:24:10 +02:00
Jouni Högander
084aab04cc drm/i915/psr: Add continuous full frame bit together with single
Currently we are observing occasionally display flickering or complete
freeze. This is narrowed down to be caused by single full frame update
(SFF).

SFF bit after it's written gets cleared by HW in subsequent vblank
i.e. when the update is sent to the panel. SFF bit is required to be
written together with partial frame update (PFU) bit. After the SFF
bit gets cleared by the HW psr2 man trk ctl register still contains
PFU bit. If there is subsequent update for any reason we will end up
having selective update/fetch configuration where start line is 0 and
end line is 0. Also selective fetch configuration for the planes is
not properly performed. This seems to be causing problems with some
panels.

Using CFF without SFF doesn't work either because it may happen that
psr2 man track ctl register is overwritten by next update before
vblank triggers sending the update. This is causing problems to
psr_invalidate/flush. Using CFF and SFF together solves the problems
as SFF is cleared only by HW in subsequent vblank and the update gets
sent.

Fix the flickering/freeze issue by keeping CFF bit as set when PSR2 is
enabled unless there is a properly configured selective update via
atomic commit.

v2:
 - Improve commit message and comments
 - No functional changes

This is also workaround for HSD 14014971508

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>

Reported-by: Lee Shawn C <shawn.c.lee@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Tested-by: Lee Shawn C <shawn.c.lee@intel.com>
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221201072308.1905679-1-jouni.hogander@intel.com
2022-12-23 16:10:14 +02:00
Jouni Högander
2357f2b271 drm/i915/mtl: Initial display workarounds
This patch introduces initial workarounds for mtl platform

v2: switch IS_MTL_DISPLAY_STEP to use IS_METEORLAKE from testing display
ver. (Tvrtko)

v3: clerical issues, extend 16015201720 to mtl. (MattR)

v4: make sure 16015201720 includes display 13. (MattR)

Bspec: 66624

Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221209220543.502047-1-matthew.s.atwood@intel.com
2022-12-12 10:20:26 -08:00
Jani Nikula
801543b259 drm/i915: stop including i915_irq.h from i915_trace.h
Turns out many of the files that need i915_reg.h get it implicitly via
{display/intel_de.h, gt/intel_context.h} -> i915_trace.h -> i915_irq.h
-> i915_reg.h. Since i915_trace.h doesn't actually need i915_irq.h,
makes sense to drop it, but that requires adding quite a few new
includes all over the place.

Prefer including i915_reg.h where needed instead of adding another
implicit include, because eventually we'll want to split up i915_reg.h
and only include the specific registers at each place.

Also some places actually needed i915_irq.h too.

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/6e78a2e0ac1bffaf5af3b5ccc21dff05e6518cef.1668008071.git.jani.nikula@intel.com
2022-11-11 13:05:19 +02:00
Jouni Högander
f46e3f5ffc drm/i915/psr: Remove inappropriate DSC slice alignment warning
Selective update area is now aligned with DSC slice height when
DSC is enabled. Remove inappropriate warning about missing DSC
alignment.

Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>

Fixes: 47d4ae2192 ("drm/i915/mtl: Extend PSR support")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/7212
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@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/20221102174544.2288205-3-jouni.hogander@intel.com
2022-11-03 06:22:22 -07:00
Jouni Högander
b9a2b0944c drm/i915/psr: Ensure panel granularity aligns with DSC slice height
Do not enable psr2 if panel ganularity is not aligned with DSC slice
height when DSC is enabled

Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221102174544.2288205-2-jouni.hogander@intel.com
2022-11-03 06:22:21 -07:00
Jouni Högander
57cadf5b77 drm/i915/mtl: Fix PSR2_MAN_TRK_CTL bit getter functions for MTL
MTL shares PSR2_MAN_TRK_CTL bits with ADL. Currently some bit
getter functions are incorrect for MTL. This patch fixes those.

Bspec: 49274

Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>

Fixes: 47d4ae2192 ("drm/i915/mtl: Extend PSR support")
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/20221101115342.1136720-1-jouni.hogander@intel.com
2022-11-01 13:03:06 -07:00
Jouni Högander
d755f89220 drm/i915/psr: Send update also on invalidate
Currently we are observing mouse cursor stuttering when using
xrandr --scaling=1.2x1.2. X scaling/transformation seems to be
doing fronbuffer rendering. When moving mouse cursor X seems to
perform several invalidates and only one DirtyFB. I.e. it seems
to be assuming updates are sent to panel while drawing is done.

Earlier we were disabling PSR in frontbuffer invalidate call back
(when drawing in X started). PSR was re-enabled in frontbuffer
flush callback (dirtyfb ioctl). This was working fine with X
scaling/transformation. Now we are just enabling continuous full
frame (cff) in PSR invalidate callback. Enabling cff doesn't
trigger any updates. It just configures PSR to send full frame
when updates are sent. I.e. there are no updates on screen before
PSR flush callback is made. X seems to be doing several updates
in frontbuffer before doing dirtyfb ioctl.

Fix this by sending single update on every invalidate callback.

Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>

Fixes: 805f04d42a ("drm/i915/display/psr: Use continuos full frame to handle frontbuffer invalidations")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/6679
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reported-by: Brian J. Tarricone <brian@tarricone.org>
Tested-by: Brian J. Tarricone <brian@tarricone.org>
Reviewed-by: Mika Kahola <mika.kahola@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/20221024054649.31299-1-jouni.hogander@intel.com
2022-11-01 06:16:11 -07:00
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
José Roberto de Souza
47d4ae2192 drm/i915/mtl: Extend PSR support
Meteorlake and display 14 platform don't have any PSR differences
when comparing to Alderlake-P display, so it was only necessary to
extend some checks to properly program hardware.

BSpec: 55229, 49196

Cc: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907081543.92268-1-mika.kahola@intel.com
2022-10-04 13:21:00 -07:00
Jouni Högander
8da8e32e0b drm/i915/psr: Fix PSR_IMR/IIR field handling
Current PSR code is supposed to use TRANSCODER_EDP to force 0 shift for
bits in PSR_IMR/IIR registers:

/*
 * gen12+ has registers relative to transcoder and one per transcoder
 * using the same bit definition: handle it as TRANSCODER_EDP to force
 * 0 shift in bit definition
 */

At the time of writing the code assumption "TRANSCODER_EDP == 0" was made.
This is not the case and all fields in PSR_IMR and PSR_IIR are shifted
incorrectly if DISPLAY_VER >= 12.

Fix this by adding separate register field defines for >=12 and add bit
getter functions to keep code readability.

v4:
 - Remove EDP from TGL definitions (José)
 - Use REG_BIT and REG_GENMASK (José)
v3:
 - Add separate register field defines (José)
 - Add bit getter functions (José)
v2:
 - Improve commit message (José)

Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>

Fixes: 8241cfbe67 ("drm/i915/tgl: Access the right register when handling PSR interruptions")
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/20221003072011.72408-1-jouni.hogander@intel.com
2022-10-03 07:31:41 -07:00
Jouni Högander
4ff0856db0 drm/i915/display: Use drm helper instead of own loop for damage clips
Use existing drm_atomic_helper_damage_merged from generic drm code
instead of implementing own loop to iterate over damage_clips.

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220823112920.352563-4-jouni.hogander@intel.com
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
2022-09-13 13:54:11 +03:00
Jouni Högander
f4a2f27303 drm/i915/display: Use original src in psr2 sel fetch area calculation
drm_plane_state->src is modified when offset is calculated:

before calculation:
src.x1 = 8192, src.y1 = 8192

after calculation (pitch = 65536, cpp = 4, alignment = 262144)
src.x1 = 8192, src.y1 = 0, offset = 0x20000000

Damage clips are relative to original coodrdinates provided by
user-space. To compare these against src coordinates we need to use
original coordinates as provided by user-space. These can be obtained
by using drm_plane_state_src.

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220823112920.352563-3-jouni.hogander@intel.com
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
2022-09-13 13:53:56 +03:00