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With recent hardware/firmware there don't appear to be any glitches
on the other PHY when we toggle the cmnreset for the other PHY. So
detangle the cmnlane power wells from one another and let them be
controlled independently.
This reverts commit 3dd7b97458e8aa2d8985b46622d226fa635071e7.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Sometimes (exactly when is a bit unclear) DISPLAY_PHY_CONTROL appears to
get corrupted. The values I've managed to read from it seem to have some
pattern but vary quite a lot. The corruption doesn't seem to just happen
when the register is accessed, but can also happen spontaneosly during
modeset. When this happens during a modeset things go south and the
display doesn't light up.
I've managed to hit the problemn when toggling HDMI on port D on and
off. When things get corrupted the display doesn't light up, but as soon
as I manually write the correct value to the register the display comes
up.
First I was suspicious that we ourselves accidentally overwrite it with
garbage, but didn't catch anything with the reg_rw tracepoint. Also I
sprinkled check all over the modeset path to see exactly when the
corruption happens, and eg. the read back value was fine just before
intel_dp_set_m(), and corrupted immediately after it. I also made my
check function repair the register value whenever it was wrong, and with
this approach the corruption repeated several times during the modeset
operation, always seeming to trigger in the same exact calls to the
check function, while other calls to the function never caught anything.
So far I've not seen this problem occurring when carefully avoiding all
read accesses to DISPLAY_PHY_CONTROL. Not sure if that's just pure luck
or an actual workaround, but we can hope it works. So let's avoid reading
the register and instead track the desired value of the register in dev_priv.
v2: Read out the power well state to determine initial register value
v3: Use DPIO_CHx names instead of raw numbers
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Set up the chv display PHY lane stagger registers according to
"Programming Guide for 1273 CHV eDP/DP/HDMI Display PHY" v1.04
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Looks like it was introduced in:
commit 650ad970a39f8b6164fe8613edc150f585315289
Author: Imre Deak <imre.deak@intel.com>
Date: Fri Apr 18 16:35:02 2014 +0300
drm/i915: vlv: factor out vlv_force_gfx_clock and check for pending force-of
but I'm not sure why. It has caused problems for us in the past (see
85250ddff7a6 "drm/i915/chv: Remove Wait for a previous gfx force-off"
and 8d4eee9cd7a1 "drm/i915: vlv: increase timeout when forcing on the
GFX clock") and doesn't seem to be required, so let's just drop it.
References: https://bugs.freedesktop.org/show_bug.cgi?id=89611
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Darren Hart <dvhart@linux.intel.com>
Reviewed-by: Deepak S <deepak.s@linux.intel.com>
Cc: stable@vger.kernel.org # c9c52e24194a: drm/i915/chv: Remove Wait ...
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
[danvet: Repick this commit from
5df0582bf036bb5f9a8ad8db5884fe13a55347d1 becuase Dave Airlie lost it
in his merge commit e1dee1973c74a0408b108d88c57a15be8a2d6d84.]
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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With the recent modeset internal rework, we wind up setting
crtc_state->enable to false, but leave crtc_state->active as true, which
is incorrect. This mismatch gets caught by drm_atomic_crtc_check() and
causes subsequent atomic operations (such as plane updates while the
CRTC is disabled) to fail.
Bisect points to
commit dad9a7d6d96630182fb52aae7c3856e9e7285e13
Author: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Date: Tue Apr 21 17:13:19 2015 +0300
drm/i915: Use atomic helpers for computing changed flags
as the commit that actually triggers the regression.
v2: Update to alter in-flight state rather than already-committed state
(first version was accidentally based on a midpoint of Ander's
modeset rework series, before his final patches that add proper
state swapping to the legacy modeset path).
Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Testcase: igt/kms_universal_plane
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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A part of this function was indented with 2 tabs and 1 space instead of
just 2 tabs. We're going to touch that code, so start by re-indenting
it.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Use partial view for huge BOs (bigger than half the mappable aperture)
in fault handler so that they can be accessed withough trying to make
room for them by evicting other objects.
v2:
- Only use partial views in the case where early rejection was
previously done.
- Account variable type changes from previous reroll.
v3:
- Add a comment about overwriting existing page entries.
(Tvrtko Ursulin)
- Whitespace fixes.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Partial view type allows manipulating parts of huge BOs through the GGTT,
which was not previously possible due to constraint that whole object had
to be mapped for any access to it through GGTT.
v2:
- Retain error value from sg_alloc_table (Tvrtko Ursulin)
- Do not zero already zeroed variable (Tvrtko Ursulin)
- Use more common variable types for page size/offset (Tvrtko Ursulin)
v3:
- Only compare additional view parameters when need to (Tvrtko Ursulin)
v4:
- Do zero out the variable that needs to be (bug introduced in v2).
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Do not skip special GGTT views when considering whether an object
is pinned or not.
Wrong behaviour was introduced in;
commit ec7adb6ee79c8c9fe64d63ad638a31cd62e55515
Author: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Date: Mon Mar 16 14:11:13 2015 +0200
drm/i915: Do not use ggtt_view with (aliasing) PPGTT
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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GGTT VMA sizes might be smaller than the whole object size due to
different GGTT views.
v2:
- Separate GGTT view constraint calculations from normal view
constraint calculations (Chris Wilson)
v3:
- Do not bother with debug wording. (Tvrtko Ursulin)
v4:
- Clearer logic for calculating map_and_fenceable (Tvrtko Ursulin)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
[danvet: Drop BUG_ON, it's redudant.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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for Broxton
Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Reading a single value from the object, the locking only provides futile
protection against userspace races. The locking is useless so remove it.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Renaming gen9_rates to skl_rates because other platforms may have different
supported rates.
Signed-off-by: Sonika Jindal <sonika.jindal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Now that we do proper state swaps, we don't depend on this function
anymore to keep the state in sync.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Replace the commit output state function with a simple swap of states.
Note that we still need to reconcile the legacy state after the swap,
since there are still code that relies on those.
Also note that even though changes to the state of a crtc different than
the one passed as an argument to __intel_set_mode() will be saved, the
modeset logic still deals with only one crtc.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Use lower level calls to better integrate with the modeset code and
allow a full state swap in a follow up patch.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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When a new pipe_config is calculated, the fields related to shared dplls
are reset, under the assumption that they will be recalculated as part
of the modeset, which is true with the current state of the code.
As we convert to atomic, however, it will be possible to calculate a new
pipe_config and skip the modeset. In that case, after the state swap we
still want the shared dplls to be preserved.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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To match the behavior of ->atomic_commit().
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Replace the drivers own logic for computing mode_changed, active_changed
and planes_changed flags with the check_modeset() atomic helper. Since
that function needs to compare the crtc's new mode with the current,
this patch also moves the set up of crtc_state->mode earlier in the call
chain.
Note that for the call to check_plane() to work properly, we need to
check new plane state against new crtc state. But since we still use the
plane update helper, which doesn't have a full atomic state, we need to
hack around that in intel_plane_atomic_check().
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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So the i915 driver can use the same logic for setting mode and active
changed flags, without having to implement encoder helpers and the
mode_fixup() callback.
Cc: dri-devel@lists.freedestkop.org
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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In a follow up patch the function that computes mode changes will be
replaced with the one from the atomic helpers. To preserve the behavior
of legacy modeset forcing DPMS on, that function will need to detect a
change in the active state of the crtc, so that has to be kept up to
date.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This is no longer necessary since we only update the staged config on
successfull modeset. The new configuration is stored in an atomic state
struct which is freed in case of failure.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The logic that stages the state before the modeset was still updating
first the old staged config and then populating the atomic state based
on that. Change this to use only the atomic state.
Note that now the staged config is updated in the function
intel_modeset_commit_output_state(). This is done so that the modeset
check and the force restore path in the hw state read out code continue
to work.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Add a helper function to make the code slightly more readable.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Call intel_set_mode() uncondionally from intel_crtc_set_config(), since
the former function is now properly wired to ignore all the modesets if
the mode_changed and active_changed flags are false in crtc_state.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Use the atomic state instead.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Use the similar fields in crtc_state instead, so that this code can be
moved to our future implementation of atomic_check().
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We don't need to pass it down the call chain anymore now that the plane
state is set up properly.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Add the primary plane state to the legacy modeset atomic state and use
it when configuring the primary plane in __intel_set_mode(). This is a
first step towards merging the flip path in intel_crtc_set_config() and
__intel_set_mode().
v2: Set crtc to NULL if fb is NULL. (Maarten)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The modeset code is now properly divided in two phases, so that it only
changes hardware state if it succeeds, so there's no ill-effect that
needs to be undone on failure anymore.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The remaining parts of the failure path could only be reached if the
allocation of crtc_state_copy would fail. In that case, there is nothing
to undo, so just get rid of the label for error handling and return an
error code immediately.
We also always allocate a pipe_config, even if the pipe is being
disabled, so the remaining part of what was the error/done case can be
simplified a little too.
v2: Ignore return value from drm_plane_helper_update(). (Ander)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The first function calls done in that function can still cause changes
to the atomic state and may fail. This should eventually be part of our
atomic check function, while the rest of the code in __intel_set_mode()
is the commit hook. So this makes the legacy mode set more atomic-y.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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There's no way that function can fail after it sets crtc->mode anymore,
so there's no need to save the old mode for the failure case.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Set the mode_changed field on the crtc_states and use that instead.
Note that even though this patch doesn't completely replace the logic in
intel_modeset_affected_pipes(), that logic was never fully used to its
full extent. Since the commit mentioned below, modeset_pipes and
prepare_pipes would only contain at most the pipe for which the set_crtc
ioctl was called. We can grow back that logic when the time comes.
commit b6c5164d7bf624f3e1b750787ddb983150c5117c
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Fri Apr 12 18:48:43 2013 +0200
drm/i915: Fixup Oops in the pipe config computation
v2: Don't set mode_changed unconditionally for modeset_crtc. (Ander)
Check for needs_modeset() before trying to allocate a PLL. (Ander)
Only call .crtc_enable() for pipes that were disabled. (Maarten)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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With the current implementation of intel_modeset_affected_pipes(), if a
pipe will be enabled then it is in modeset_pipes. We'll remove that mask
in a follow up patch, but want to preserve this behavior, so just make
that explicit.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The code in intel_modeset_pipe_config() still needs changes before it
can calculate more than just one pipe_config, and pretending it can will
only make those changes more difficult.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The function intel_modeset_compute_config() needs to eventually become
part of atomic_check(). At that point, all the affected crtcs need to be
in the atomic state with the new values. So move the logic of adding
crtc states out of that function.
v2: Set crtc_state->enable in all cases. (Ander)
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This should make the conversion to atomic easier, by splitting the
initialization of the atomic state from the logic that decides if a
modeset is needed.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Simplifies looping over connector states a bit.
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Use the helpers introduced by the commit below to properly initialize
the duplicated states.
commit f5e7840b0c4368f8cdbb055188c2a0eef50c3052
Author: Thierry Reding <treding@nvidia.com>
Date: Wed Jan 28 14:54:32 2015 +0100
drm/atomic: Add helpers for state-subclassing drivers
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This is not necessary after the below commit.
commit a0211bb482c346820506c546a6a58b8357999a99
Author: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Date: Mon Mar 30 14:05:43 2015 +0300
drm/atomic: Don't try to free a NULL state
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This makes disabling planes more explicit.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
[anderco: fixed warning due to using drm_crtc instead of intel_crtc]
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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