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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>
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>
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>
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>
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
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
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
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
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: 64cf40a125ff ("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
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>
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>
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
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
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
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
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
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
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: 47d4ae2192cb ("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
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
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: 47d4ae2192cb ("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
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: 805f04d42a6b ("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
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
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: 8241cfbe67f4 ("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
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>
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>
Selective update doesn't work if SU start address is 0 and start/end
SDP is configured to be sent prior to SU start/end lines. PSR2 has to be
disabled in this case for Alder Lake.
HSDES: 22012279113
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>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220905102355.176622-3-jouni.hogander@intel.com
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Equation for sending start/end SDP prior to the SU region start/end
has changed. Update used formula.
Bspec: 49274
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>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220905102355.176622-2-jouni.hogander@intel.com
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
The issue here was on for_each_intel_encoder_mask_with_psr() over the
new_crtc_state encoder mask, so if the CRTC was being disabled mask
would be zero and it would not have any chance to disable PSR.
So here doing for_each_intel_encoder_mask_with_psr() over the
old_crtc_state encoder mask and then using the new_crtc_state to
check if PSR needs to be disabled.
Cc: Jouni Högander <jouni.hogander@intel.com>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@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/20220714150755.154985-2-jose.souza@intel.com
This patches fixes a issue but not in the right way as
for_each_oldnew_intel_crtc_in_state() will interate over all CRTCs
not only the crtc passed as parameter, also this two for_each loops
are not necessary and only make code harder to understand.
Proper fix will be discussed in the next patch.
This reverts commit 75f664903d8672897333b86bb450335ec6486ad5.
Cc: Jouni Högander <jouni.hogander@intel.com>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@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/20220714150755.154985-1-jose.souza@intel.com
Currently PSR is left enabled when all planes are disabled if there
is no attached encoder in new state. This seems to be causing FIFO
underruns.
Fix this by checking if encoder exists in new crtc state and disable
PSR if it doesn't.
v2: Unify disable logic with existing
Cc: Mika Kahola <mika.kahola@intel.com>
Reported-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220711111750.881552-1-jouni.hogander@intel.com
Commit 3cf050762534 ("drm/i915/bios: Split VBT data into per-panel vs.
global parts") cause PSR to be disabled when enable_psr has the
default value and there is at least one DP port that do not supports
PSR.
That was happening because intel_psr_init() is called for every DP
port and then enable_psr is globaly set to 0 based on the PSR support
of the DP port.
Here dropping the enable_psr overwritten and using the VBT PSR value
when enable_psr is set as default.
Fixes: 3cf050762534 ("drm/i915/bios: Split VBT data into per-panel vs. global parts")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Jouni Högander <jouni.hogander@intel.com>
Cc: Mika Kahola <mika.kahola@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/20220608203344.513082-1-jose.souza@intel.com
Move the panel specific VBT parsing to happen during the
output probing stage. Needs to be done because the VBT
parsing will need to look at the EDID to determine
the correct panel_type on some machines.
We split the parsed VBT data (i915->vbt) along the same
boundary. For the moment we just hoist all the panel
specific stuff into connector->panel.vbt since that seems
like the most convenient place for eg. the backlight code.
Note that we simply drop the drrs type check from
intel_drrs_frontbuffer_update() since that operates on the whole
device rather than a specific connector/encoder. But the check
was just a micro optimization so removing it doesn't actually
mattter for correctness.
TODO: Lot's of cleanup to be done in the future. Eg. most of
the DSI stuff could probably be eliminated entirely and just
parsed on demand during DSI init.
v2: Note the intel_drrs_frontbuffer_update() change
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220510104242.6099-13-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Current update area calculation is not handling situation where
e.g. cursor plane is fully or partially outside pipe area.
Fix this by checking damage area against pipe_src area using
drm_rect_intersect.
v2: Set x1 and x2 in damaged_area initialization
v3: Move drm_rect_intersect into clip_area_update
v4: draw_area -> pipe_src
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5440
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220513142811.779331-3-jouni.hogander@intel.com
Currently we have some corner cases where area calculation fails. For
these sel fetch area calculation ends up having update area as y1 = 0,
y2 = 4. Instead of these values safer option is full update.
One of such for example is big fb with offset. We don't have usable
offset in psr2_sel_fetch_update. Currently it's open what is the
proper way to fix this corner case. Use full update for now.
v2: Commit message modified
v3: Print out debug info once when area calculation fails
v4: Use drm_info_once
v5: pipeA -> "pipe %c", pipe_name(crtc-pipe)
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>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220513142811.779331-2-jouni.hogander@intel.com
