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With native HDMI we allow the user to override the mode with
something that may not respect the downstream (sink,dual-mode adapter)
TMDS clock limits. Let's reuse the same logic for DP HDMI DFPs
so that behaviour is more or less uniform.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220322120015.28074-11-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Currently we only support "4:2:0 also" modes on native HDMI.
Extend that support for DP as well.
With all the HDMI DFP TMDS clock handling sorted out this
is now going to work for both native DP and DP->HDMI
converters. As with native HDMI we first check if RGB
output is possible, and if not we try YCbCr 4:2:0 instead.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220322120015.28074-10-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Rework the HDMI DFP TMDS clock checks to also check at 8bpc.
Previously we only checked the deep color cases. But I suppose
a sink could potentially declare "4:2:0 also" modes that only
actually fit within its own limits when using 4:2:0. Even if
that is too nuts to be real there is no real harm in running
through the full checks for everything.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220322120015.28074-9-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Consolidate the double pfit call, and reorder things so that
intel_dp_output_format() and intel_dp_compute_link_config() are
back-to-back. They are intimately related, and will need to be
called twice to properly handle the "4:2:0 also" modes.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220322120015.28074-6-ville.syrjala@linux.intel.com
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Only seamless DRRS has specific hardware requirements so
we can allow static DRRS on any eDP port.
And we can replace these port checks and whatnot with
a simple check to make sure the transcoder(s) we're
about to use are capable of seamless DRRS.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220331112822.11462-11-ville.syrjala@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>
intel_drrs_compute_config() is 100% DP specific. DRRS on other
types of encoders wouldn't do any of these M2/N2 calculations
etc. So let's move this into intel_dp.c so all the DP state
calculation is more concentrated into one place.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220331112822.11462-10-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
We shouldn't restrict ourselves to just downclock modes with
lower refresh rate than the preferred mode. Laptops these
days can offer higher refresh rate modes as well.
Remove the arbitrary limit and allow all modes that, apart
from the clock, match the preferred mode.
v2: s/add_edid_downclock_modes/add_edid_alt_fixed_modes/ (Jani)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220331112822.11462-9-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Instead of duplicating the fixed/downclock modes we can just grab
the originals straight from the probed_modes list and keep them.
The next .get_modes() is going to repopulate the probed_modes list
anyway so whatever we leave there is just going to sit around until
that time wasting memory. In fact let's clear out the probed modes
list entirely to make sure we get 100% consistent behaviour starting
already from the very first real .get_modes().
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220331112822.11462-7-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
The intel_panel_add_edid_fixed_mode() vs.
intel_panel_add_edid_downclock_mode() split is not really
helpful. Let's just roll those into a single function so
that the connector init code doesn't have to care too much
about this. All we need to know is whether DRRS should be
allowed or not.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220331112822.11462-6-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
intel_drrs_init() is a mostly pointless wrapper around
intel_panel_add_edid_downclock_mode(), get rid of it.
The only really useful thing left in there is the debug
print regarding the DRRS type supported by the connector.
Let's just move that into intel_panel_init().
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220331112822.11462-5-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
All the non-EDID fixed mode functions basically do the exact
same thing. Let's refactor the common bits into a shared
function.
There are minor differences on how the mode types are populated,
whether the display info physical size is updated, and the debug
print. The differences are purely accidental, so unifying them is
actually a good thing.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220331112822.11462-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Rather than having the connector init get the fixed mode back from
intel_panel and then feed it straight back into intel_panel_init()
let's just make the fixed mode lookup put the mode directly onto
the panel's fixed_modes list. Avoids the pointless round trip and
opens the door for further enhancements to the fixed mode handling.
v2: Make the debug message correct by using intel_panel_drrs_type() (Jani)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220331112822.11462-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Only intel_dmc.c should be accessing dmc details directly.
Need to add an i915_error_printf() stub for
CONFIG_DRM_I915_CAPTURE_ERROR=n.
v2: Add the stub (kernel test robot <lkp@intel.com>)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> # v1
Link: https://patchwork.freedesktop.org/patch/msgid/20220330113417.220964-1-jani.nikula@intel.com
Update DG2 init bw info similar to other platforms even though
DG2 has constant bandwidh. This will avoid branching out DG2
specific max bw calls.
V3: Fix dg2_get_bw_info() and avoid handle special cases
for DG2 (Ville Syrjälä)
cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220328230000.215094-1-vinod.govindapillai@intel.com
PIPE_MBUS_DBOX_CTL was only being programmed when a pipe is being
enabled but that could potentially cause issues as it could have
mismatching values while pipes are being enabled.
So here moving the PIPE_MBUS_DBOX_CTL programming of all pipes to be
executed before the function that enables all pipes, leaving all pipes
with a matching A_CREDIT value.
While at it, also moving it to intel_pm.c as we are trying to reduce
the gigantic size of intel_display.c and intel_pm.c have other MBUS
programing sequences.
v2:
- do not program PIPE_MBUS_DBOX_CTL if pipe will not be active or
when it do not needs modeset
- remove the checks to wait a vblank
v3:
- checking if dbuf state is present in state before using it
v4:
- removing redundant checks
- calling intel_atomic_get_new_dbuf_state instead of
intel_atomic_get_dbuf_state
BSpec: 49213
BSpec: 50343
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220330155724.255226-3-jose.souza@intel.com
Alderlake-P has different MBUS DBOX BW and B credits than other
platforms, so here setting it properly.
BSpec: 49213
BSpec: 50343
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Caz Yokoyama <caz.yokoyama@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220330155724.255226-2-jose.souza@intel.com
MBUS_DBOX_B2B_TRANSACTIONS_MAX, MBUS_DBOX_B2B_TRANSACTIONS_DELAY and
MBUS_DBOX_REGULATE_B2B_TRANSACTIONS_EN were being programmed with
zeros while specification has different default values for this
registers in display 12 and newer.
While at it also converting all MBUS_DBOX macros to use REG_* macros.
BSpec: 50343
BSpec: 20231
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220330155724.255226-1-jose.souza@intel.com
Debug log when DSC is going to be used, and why, instead of
unconditionally logging the rarely used debug option setting, which
might not have any bearing on whether DSC is going to be used or not.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220330093019.4150386-1-jani.nikula@intel.com
The audio codec enable/disable debug logging is spread around in callers
and the platform specific hooks. Put them all together in one place on
both the enable and disable paths.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220330094109.4164326-1-jani.nikula@intel.com
Continuation of the effort to declutter i915_drv.h.
Also, component specific helpers which consult the iommu/virtualization
helpers moved to respective component source/header files as appropriate.
v2:
* s/dev_priv/i915/ in intel_scanout_needs_vtd_wa. (Lucas)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220329090204.2324499-1-tvrtko.ursulin@linux.intel.com
[tursulin: fixup conflict in i915_drv.h]
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
ATS-M is a server platform based on Xe_HPG and Xe_HPM, but without
display support. From a driver point of view, it's easiest to just
handle it as DG2 (including identifying as PLATFORM_DG2), but with the
display disabled in the device info.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220329000822.1323195-1-matthew.d.roper@intel.com
SDVO is the only connector type currently returning the VBT
fixed mode directly from .get_modes(), everyone else just
adds it to the fixed_modes list and then returns that from
.get_modes(). Adjust SDVO to follow the common behaviour.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220323182935.4701-10-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Despite the name intel_panel_edid_fixed_mode() doesn't actually
look in the EDID. All it does is dig out the preferred mode from
the connector's probed_modes list. That is also what the SDVO
LVDS code is doing by hand. Let's just call
intel_panel_edid_fixed_mode().
The slight difference in behaviour is that the SDVO code currently
bails if it can't find the preferred mode, whereas
intel_panel_edid_fixed_mode() will fall back to just returning
the first mode from the probed_modes list. Can't imagine why
such an LVDS panel would even exist, and also why would you have
a panel and be expected to not use it? So I'm going to assume
this is a total non-issue.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220323182935.4701-9-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Apart from the EDID and VBT based mechanism we also sometimes
use the encoder's current mode as the panel fixed mode. We
currently have the same code for that duplicated in two places.
Let's unify.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220323182935.4701-8-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Rename intel_panel_vbt_fixed_mode() to
intel_panel_vbt_lfp_fixed_mode() to be more descriptive.
We'll have another VBT fixed mode function soon and we
don't want to confuse the two.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220323182935.4701-6-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Use intel_panel_preferred_fixed_mode() for all the orientation
quirk setup and compute_is_dual_link_lvds()). All of these
happen after intel_panel_init() so the panel fixed_mode list
is already in place.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220323182935.4701-5-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Pull the drm_connector_set_panel_orientation_with_quirk()
into intel_edp_add_properties() to match how the DSI encoders
do it. Less clutter in intel_edp_init_connector() overall.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220323182935.4701-4-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Replace all drm_mode_debug_printmodeline() calls with
DRM_MODE_FMT+DRM_MODE_ARG(). Makes the debug output a bit more
terse in places where we previously had a newline in the precedeing
drm_dbg_kms(), and avoids anything else sneaking in between the two
printk()s in all cases.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220323182935.4701-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
