- 17 May, 2023 1 commit
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Jani Nikula authored
I meant to sort the includes before submitting commit 2b874a02 ("drm/i915/irq: split out display irq handling") but forgot, and it wasn't noticed in review either. Sort the includes. Cc: Gustavo Sousa <gustavo.sousa@intel.com> Signed-off-by:
Jani Nikula <jani.nikula@intel.com> Reviewed-by:
Gustavo Sousa <gustavo.sousa@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230516122926.2720581-1-jani.nikula@intel.com
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- 16 May, 2023 21 commits
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Imre Deak authored
If the output on a DP-alt link with its sink disconnected is kept enabled for too long (about 20 sec), then some IOM/TCSS firmware timeout will cause havoc on the PCI bus, at least for other GFX devices on it which will stop powering up. Since user space is not guaranteed to do a disabling modeset in time, switch such disconnected but active links to TBT mode - which is without such shortcomings - with a 2 second delay. If the above condition is detected already during the driver load/system resume sanitization step disable the output instead, as at that point no user space or kernel client depends on a consistent output state yet and because subsequent atomic modeset on such connectors - without the actual sink capabilities available - can fail. An active/disconnected port as above will also block the HPD status of other active/disconnected ports to get updated (stuck in the connected state), until the former port is disabled, its PHY is disconnected and a ~10 ms delay has elapsed. This means the link state for all TypeC ports/CRTCs must be rechecked after a CRTC is disabled due to the above reason. For this disconnect the PHY synchronously after the CRTC/port is disabled and recheck all CRTCs for the above condition whenever such a port is disabled. To account for a race condition during driver loading where the sink is disconnected after the above sanitization step and before the HPD interrupts get enabled, do an explicit check/link reset if needed from the encoder's late_register hook, which is called after the HPD interrupts are enabled already. v2: - Handle an active/disconnected port blocking the HPD state update of another active/disconnected port. - Cancel the delayed work resetting the link also from the encoder enable/suspend/shutdown hooks. - Rebase on the earlier intel_modeset_lock_ctx_retry() addition, fixing here the missed atomic state reset in case of a retry. - Fix handling of an error return from intel_atomic_get_crtc_state(). - Recheck if the port needs to be reset after all the atomic state is locked and async commits are waited on. v3: - Add intel_crtc_needs_link_reset(), instead of open-coding it, keep intel_crtc_has_encoders(). (Ville) - Fix state dumping and use a bitmask to track disabled CRTCs in intel_sanitize_all_crtcs(). (Ville) - Set internal in intel_atomic_state right after allocating it. (Ville) - Recheck all CRTCs (not yet force-disabled) after a CRTC is force-disabled for any reason (not only due to a link state) in intel_sanitize_all_crtcs(). - Reduce delay after CRTC disabling to 20ms, and use the simpler msleep(). - Clarify code comment about HPD behaviour in intel_sanitize_all_crtcs(). - Move all the TC link reset logic to intel_tc.c . - Cancel the link reset work synchronously during system suspend, driver unload and shutdown. v4: - Rebased on previous patch, which allows calling the TC port suspend/cleanup handlers without modeset locks held; remove the display driver suspended assert from the link reset work accordingly. v5: (Ville) - Remove reset work canceling from intel_ddi_pre_pll_enable(). - Track a crtc vs. pipe mask in intel_sanitize_all_crtcs(). - Add reset_link_commit() to clarify the intel_modeset_lock_ctx_retry loop. Cc: Kai-Heng Feng <kai.heng.feng@canonical.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Tested-by:
Kai-Heng Feng <kai.heng.feng@canonical.com> Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5860Reviewed-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:
Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230512195513.2699-2-imre.deak@intel.com
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Imre Deak authored
Call the TypeC port flush_work and cleanup handlers without the modeset locks held. These don't require the locks, as the work takes - as it should be able to at any point in time - any locks it needs and by the time cleanup is called and after cleanup returns the encoder is not in use. This is required by the next patch canceling a TypeC port work synchronously during encoder suspend and shutdown, where the work can take modeset locks as well, hence the canceling must be done without holding the locks. I also considered moving the modeset locking down to each encoder suspend()/shutdown() hook instead, however locking the full modeset state for each encoder separately would be odd, and the bigger change - affecting all encoders - is beyond the scope of this patchset. v2: - Add a TODO: comment to remove modeset locks if no encoder depends on this. (Ville) Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Imre Deak authored
This patch simplifying the handling of modeset locks and atomic state for an atomic commit is based on https://lore.kernel.org/all/20210715184954.7794-2-ville.syrjala@linux.intel.com/ adding the helper to i915. I find this approach preferrable than open-coding the corresponding steps (fixed for me an atomic state reset during a DEADLK retry, which I missed in the open-coded version) and also better than the existing DRM_MODESET_LOCK_ALL_BEGIN/END macros for the reasons described in the above original patchset. This change takes the helper into use only for atomic commits during DDI hotplug handling, as a preparation for a follow-up patch adding a similar commit started from the same spot. Other places doing a driver-internal atomic commit is to be converted by a follow-up patchset. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Imre Deak authored
Factor out a helper used by a follow up patch to reset an active DP link. No functional changes. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Imre Deak authored
Prevent downgrading the link training maximum lane count/rate if the sink is disconnected - and so the link training failure is expected. In such cases modeset failures due to the reduced max link params would be just confusing for user space (instead of which the correct thing it should act on is the sink disconnect signaled by a hotplug event, requiring a disabling modeset). v2: - Check the actual HPD state to handle the forced connector state case. (Vinod) Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Vinod Govindapillai <vinod.govindapillai@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> (v1) Reviewed-by:
Vinod Govindapillai <vinod.govindapillai@intel.com> Signed-off-by:
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Imre Deak authored
If a sink is disconnected it's expected that link training actions will fail on it, so downgrade the error messages about such actions to be a debug message. Such - expected - link training failures are more frequent after a follow up patch, after which an active TypeC link is reset after the sink is disconnected which also involves a link training. v2: - Check the actual HPD state to handle the forced connector state case. (Vinod) Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Vinod Govindapillai <vinod.govindapillai@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> (v1) Reviewed-by:
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Imre Deak authored
Add functions for printing link training debug and error messages, both to prepare for the next patch, which downgrades an error to a debug message if the sink is disconnected and to remove some code duplication. v2: (Ville) - Always print the connector prefix. - Preserve the drm_dbg_kms() debug category. v3: - Keep printing the name of functions calling the helpers. (Jani) Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> (v2) Signed-off-by:
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Imre Deak authored
During HW readout/sanitization CRTCs can be disabled only if they don't have an attached encoder (and so the encoder disable hooks don't need to be called). An upcoming patch will need to disable CRTCs also with an attached encoder, so add support for this. For bigjoiner configs the encoder disabling hooks require the slave CRTC states, so add these too to the atomic state. Since the connector atomic state is already up-to-date when the CRTC is disabled the connector state needs to be updated (reset) after the CRTC is disabled, make this so. Follow the proper order of disabling first all bigjoiner slaves, then any port synced CRTC slaves followed by the CRTC originally requested to be disabled. v2: - Fix calculating the bigjoiner_masters mask in a port sync config, (Ville) - Keep _noatomic suffix in intel_crtc_disable_noatomic(). (Ville) - Rebase on full CRTC state reset in this patchset, not requiring resetting the bigjoiner state separately and (instead) resetting the full atomic CRTC and related global state after all linked pipes got disabled. - Disable portsync slaves before a portsync master. - Disable a portsync master if a linked portsync slave is disabled. v3: (Ville) - Use s/u32/u8 for transcoder and pipe masks. - Use is_power_of_2() instead of hweight()==1. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Imre Deak authored
Factor out a function setting the encoder and CRTC in the connector atomic state, required by a follow up patch. No functional changes. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Imre Deak authored
Split calling the CRTC/encoder disabling hooks and updating the CRTC and DPLL object states from updating the CRTC and atomic state and other global state (BW, CDCLK, DBUF) into separate functions. When disabling a bigjoiner configuration the latter step can be done only after all the linked pipes are disabled, so this change prepares for that. No functional changes. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Imre Deak authored
During HW state readout/sanitization an up-to-date connector atomic state will be required by a follow-up patch, which can disable CRTCs with an encoder (and calling the correct encoder hooks happens via the connector atomic state encoder pointer). So update the connector state already before the CRTC sanitize/disable step. For now this doesn't make a difference, since intel_modeset_update_connector_atomic_state() will update/enable the atomic state only for connectors that have an enabled encoder/CRTC. Such CRTCs/encoders will not be affected by intel_sanitize_crtc(). v2: Add comment about why the connector state needs to be up-to-date. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Imre Deak authored
Make sure that the CRTC state is reset correctly, as expected after disabling the CRTC. In particular this change will: - Zero all the CSC blob pointers after intel_crtc_free_hw_state() has freed them. - Zero the shared DPLL and port PLL pointers and clear the corresponding CRTC reference flag in the PLL state. - Reset all the transcoder and pipe fields. v2: - Reset fully the CRTC state. (Ville) - Clear pipe active flags in the DPLL state. v3: - Clear only the CRTC reference flag and add a helper for this. (Ville) v4: - Rebased on previous patch, adding intel_unreference_shared_dpll_crtc() separately. (Ville) Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Imre Deak authored
Add helpers to reference/unreference a shared DPLL tracking the use of it by a given CRTC. This prepares for the next patch, which unreferences a DPLL during CRTC HW-readout/sanitization. Suggested-by:
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Imre Deak authored
For a bigjoiner configuration display->crtc_disable() will be called first for the slave CRTCs and then for the master CRTC. However slave CRTCs will be actually disabled only after the master CRTC is disabled (from the encoder disable hooks called with the master CRTC state). Hence the slave PIPEDMCs can be disabled only after the master CRTC is disabled, make this so. intel_encoders_post_pll_disable() must be called only for the master CRTC, as for the other two encoder disable hooks. While at it fix this up as well. This didn't cause a problem, since intel_encoders_post_pll_disable() will call the corresponding hook only for an encoder/connector connected to the given CRTC, however slave CRTCs will have no associated encoder/connector. Fixes: 3af2ff08 ("drm/i915: Enable a PIPEDMC whenever its corresponding pipe is enabled") Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
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Suraj Kandpal authored
stream_id and k(no of streams) should be set in intel_hdcp_set_content_streams. stream_type should be set in intel_hdcp_required_content_stream. --v5 -add missing stream_id assignment [Ankit] Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by:
Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by:
Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by:
Animesh Manna <animesh.manna@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230515112726.689116-1-suraj.kandpal@intel.com
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Suraj Kandpal authored
Since topology state is being added to drm_atomic_state now all drm_modeset_lock required are being taken from core. This raises an issue when we try to loop over connector and assign vcpi id to our streams as we did not have atomic state to derive acquire_ctx from. We fill in stream info if dpmst encoder is found before enabling hdcp. intel_hdcp_required_stream will be broken which will only set the content type. --v2 -move prepare streams to beginning of intel_hdcp_enable to avoid checking of mst encoder twice [Ankit] --v3 -break intel_required_content_stream to two part and set the stream_id at the beginning [Ankit] --v4 -change return types for intel_hdcp_prepare_stream and intel_hdcp_required content_stream [Ankit] -rename intel_hdcp_set_content_stream to intel_hdcp_set_stream [Ankit] -place intel_hdcp_set_streams above caller [Ankit] Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by:
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Suraj Kandpal authored
Remove enforce_type0 check outside the loop since it does not make sense to keep it there as we use the same digport and continue checking it again and again Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by:
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Suraj Kandpal authored
Pass all the parameter in intel_encoder->enable() to intel_hdcp_enable as we need intel_atomic_state later down to get acquire_ctx. Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by:
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Jani Nikula authored
Split (non-hotplug) display irq handling out of i915_irq.[ch] into display/intel_display_irq.[ch]. v3: - Preserve [I915_MAX_PIPES] harder (kernel test robot) v2: - Rebase - Preserve [I915_MAX_PIPES] in functions (kernel test robot) Reviewed-by:
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Jani Nikula authored
Split hotplug irq handling out of i915_irq.[ch] into display/intel_hotplug_irq.[ch]. The line between the new intel_hotplug_irq.[ch] and the existing intel_hotplug.[ch] needs further clarification, but the first step is to move the stuff out of i915_irq.[ch]. Reviewed-by:
Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by:
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Jani Nikula authored
The return value is not used for anything. Reviewed-by:
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- 15 May, 2023 8 commits
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Jani Nikula authored
Add i915 parameter to I915_STATE_WARN() and use device based logging. Done using cocci + hand edited where there was no i915 local variable ready. v2: avoid null deref in verify_connector_state() Reviewed-by:
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Jani Nikula authored
Remove the unused macro. Signed-off-by:
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Jani Nikula authored
Describe the assertion better. Signed-off-by:
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Jani Nikula authored
In general, we don't do assertions that a function gets called on the right platforms, and if we did, it should not be a state warn. Signed-off-by:
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Juha-Pekka Heikkila authored
Add Tile4 ccs modifiers w/ auxbuffer handling Implement Wa_14017240301 Bspec: 49251, 49252, 49253 Signed-off-by:
Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com> Reviewed-by:
Matt Atwood <matthew.s.atwood@intel.com> Reviewed-by:
Mika Kahola <mika.kahola@intel.com> Signed-off-by:
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Juha-Pekka Heikkila authored
Add Tile4 type ccs modifiers with aux buffer needed for MTL Bspec: 49251, 49252, 49253 Cc: dri-devel@lists.freedesktop.org Cc: Jani Nikula <jani.nikula@linux.intel.com> Signed-off-by:
Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by:
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Jani Nikula authored
Add helper for reading SPI to not duplicate the write&read combo everywhere. Signed-off-by:
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Suraj Kandpal authored
Check if media_gt exists if we are using gsc cs --v2 -correct typo [Ankit] -assign gsc variable if gt exists [Ankit] --v3 -declare gsc and gt variables in if block [Ankit] --v4 -add fixes tag [Ankit] Fixes: 88363177 ("drm/i915/mtl: Add HDCP GSC interface") Cc: Tomas Winkler <tomas.winkler@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Uma Shankar <uma.shankar@intel.com> Cc: Anshuman Gupta <anshuman.gupta@intel.com> Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by:
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- 12 May, 2023 1 commit
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Jani Nikula authored
CHV_FUSE_GT (0x182168) is purely about GT fuses, therefore belongs in intel_gt_regs.h, is in the gcfgmmio unit, but is technically in the VLV display base area. Add VLV_GUNIT_BASE to drop dependency on VLV_DISPLAY_BASE and thus display/intel_display_reg_defs.h in intel_gt_regs.h. v2: Add VLV_GUNIT_BASE (Ville) Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:
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- 11 May, 2023 7 commits
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Jani Nikula authored
Move gmbus and dp aux irq handlers to their respective files. It should be up to them what to do with the irq, not the generic irq code. Signed-off-by:
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Ville Syrjälä authored
Now that we have encoder->devdata everwhere we don't need the intel_bios_is_port_dp_dual_mode() wrapper any more. And while at it let's include it in the child device log dump as well since the logic in there is a bit more complex than just DP&&HDMI. Signed-off-by:
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Ville Syrjälä authored
Swap the roles of the index vs. value for the VBT DDC pin mapping tables. This is not strictly necessary for DDC pins but it will make this work exactly like the AUX CH mapping tables where the role reversal is necessary (or at least makes things easier). Consistency is good. Signed-off-by:
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Ville Syrjälä authored
The big switch+if statement mess in map_aux_ch() is illegible. Split up into cleaner per-platform arrays like we already have for the gmbus pins. We use enum aux_ch as the index and the VBT thing as the value. Slightly non-intuitive perhaps but if we did it the other way around we'd have problems with AUX_CH_A being zero, and thus any non-populated element would look like AUX_CH_A. v2: flip the index vs. value around TODO: Didn't bother with the platform variants beyond the ones that really need remapping, which means if the VBT is bogus we end up with a nonexistent aux ch. Might be nice to check this a bit better. Yet another bitmask in device info? Signed-off-by: -
Ville Syrjälä authored
Modernize the DP AUX CH register definitions with REG_BIT() & co. Signed-off-by:
Jouni Högander <jouni.hogander@intel.com>
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Ville Syrjälä authored
To avoid annoying spec lookups let's define more PS_CTRL bits in the header. Signed-off-by:
Luca Coelho <luciano.coelho@intel.com>
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Jani Nikula authored
The display prefix is unnecessary within the display sub-directory. Cc: Alan Previn <alan.previn.teres.alexis@intel.com> Cc: Suraj Kandpal <suraj.kandpal@intel.com> Cc: Uma Shankar <uma.shankar@intel.com> Signed-off-by:
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- 09 May, 2023 1 commit
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Jani Nikula authored
For development and testing purposes, the i915.force_probe module parameter and DRM_I915_FORCE_PROBE kconfig option allow probing of devices that aren't supported by the driver. The i915.force_probe module parameter is "unsafe" and setting it taints the kernel. However, using the kconfig option does not. Always taint the kernel when force probing a device that is not supported. v2: Drop "depends on EXPERT" to avoid build breakage (kernel test robot) Fixes: 7ef5ef5c ("drm/i915: add force_probe module parameter to replace alpha_support") Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Dave Airlie <airlied@gmail.com> Acked-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by:
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- 08 May, 2023 1 commit
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Stanislav Lisovskiy authored
By my own mistake, after adding !IS_DG2 into wrong branch, bxt_set_cdclk started to execute code intended for platforms gen < 11, which is wrong. Move IS_DG2 check to better place. Fixes: ceb0cc3b ("drm/i915: Communicate display power demands to pcode") Signed-off-by:
Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com Reviewed-by:
Andrzej Hajda <andrzej.hajda@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230506144217.26075-1-stanislav.lisovskiy@intel.com
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