- 01 Jul, 2019 29 commits
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Imre Deak authored
Lane reversal happens only in the FIA module for TBT-alt/DP-alt mode, so WARN if lane reversal is attempted at a different level. See the BSpec DDI_BUF_CTL register description. Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-24-imre.deak@intel.com
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Imre Deak authored
Disconnecting the TypeC PHY when the port is in legacy mode is not necessary: - BSpec doesn't specify a disconnect sequence for legacy mode. - The use of the PHY is dedicated for the display in legacy mode. - We keep the PHY always connected during runtime as well in legacy mode. We disconnect the PHY when needed during a disabling modeset for the port, so we can also remove the disconnect call from the destroy hook. Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-23-imre.deak@intel.com
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Imre Deak authored
Add state verification for the TypeC port mode wrt. the port's AUX power well enabling/disabling. Also check the correctness of changing the port mode: - When enabling/disabling the AUX power well for a TypeC port we must hold the TypeC port lock - the case for AUX transfers - or hold a Type C port link reference - the case for modeset enabling/disabling. - When changing the TypeC port mode the port's AUX power domain must be disabled. v2: (Ville) - Simplify power_well_async_ref_count(). - Fix the commit log, clarifying what are the valid conditions to enable/disable the AUX power wells. Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-22-imre.deak@intel.com
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Imre Deak authored
The TypeC port mode needs to stay fixed whenever the port is active. Do that by introducing a tc_link_refcount to account for active ports, avoiding changing the port mode if a reference is held. During the modeset commit phase we also have to reset the port mode and update the active PLL reflecting the new port mode. We can do this only once the port and its old PLL has been already disabled. Add the new encoder update_prepare/complete hooks that are called around the whole enabling sequence. The TypeC specific hooks of these will reset the port mode, update the active PLL if the port will be active and ensure that the port mode will stay fixed for the duration of the whole enabling sequence by holding a tc_link_refcount. During the port enabling, the pre_pll_enable/post_pll_disable hooks will take/release a tc_link_refcount to ensure the port mode stays fixed while the port is active. Changing the port mode should also be avoided during connector detection and AUX transfers if the port is active, we'll do that by checking the port's tc_link_refcount. When resetting the port mode we also have to take into account the maximum lanes provided by the FIA. It's guaranteed to be 4 in TBT-alt and legacy modes, but there may be less lanes available in DP-alt mode, in which case we have to fall back to TBT-alt mode. While at it also update icl_tc_phy_connect()'s code comment, reflecting the current way of switching the port mode. v2: - Add the update_prepare/complete hooks to the encoder instead of the connector. (Ville) - Simplify intel_connector_needs_modeset() by removing redundant if. (Ville) v3: - Fix sparse warning, marking static functions as such. v4: - Rebase on drm-tip. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-21-imre.deak@intel.com
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Imre Deak authored
When enabling a TypeC port we need to reserve all the required PLLs for it, the TBT PLL for TBT-alt and the MG PHY PLL for DP-alt/legacy sinks. We can select the proper PLL for the current port mode from the reserved PLLs only once we selected and locked down the port mode for the whole duration of the port's active state. Resetting and locking down the port mode can in turn happen only during the modeset commit phase once we disabled the given port and the PLL it used. To support the above reserve-and-select PLL semantic we store the reserved PLLs along with their HW state in the CRTC state and provide a way to select the active PLL from these. The selected PLL along with its HW state will be pointed at by crtc_state->shared_dpll/dpll_hw_state as in the case of other port types. Besides reserving all required PLLs no functional changes. v2: - Fix releasing the ICL PLLs, not clearing the PLLs from the old crtc_state. - Init port_dpll to ICL_PORT_DPLL_DEFAULT closer to where port_dpll is used for symmetry with the corresponding ICL_PORT_DPLL_MG_PHY init. (Ville) v3: - Add FIXME: for clearing the ICL port PLLs from the new crtc state. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-20-imre.deak@intel.com
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Imre Deak authored
For clarity factor out the combo PHY and TypeC PHY specific code from icl_get_dplls() into their own functions. No functional changes. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-19-imre.deak@intel.com
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Imre Deak authored
Pass the PLL HW state to the PLL find/reference functions making it clearer what is their input. Also pass to these the atomic state and the CRTC object instead of the CRTC state, since they don't require the latter. Move setting the PLL in the crtc_state to the get_dpll() hook, which is the more logical place for this, where the related PLL HW state was also set. This refactoring is also a preparation for a follow-up patch that will have to find/reference multiple PLLs. No functional changes. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-18-imre.deak@intel.com
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Imre Deak authored
For consistency s/intel_get_shared_dpll()/intel_reserve_shared_dplls()/ to better match intel_release_shared_dplls(). Also, pass to the reserve/release and get_dplls/put_dplls hooks the intel_atomic_state and CRTC object, that way these functions can look up the old or new state as needed. Also release the PLLs from the atomic state via a new put_dplls->intel_unreference_shared_dpll() call chain for better symmetry with the reservation via the get_dplls->intel_reference_shared_dpll() call chain. Since nothing uses the PLL returned by intel_reserve_shared_dplls(), make it return only a bool. While at it also clarify the reserve/release function docbook headers making it clear that multiple DPLLs will be reserved/released and whether the new or old atomic CRTC state is affected. This refactoring is also a preparation for a follow-up change that needs to reserve multiple DPLLs. Kudos to Ville for the idea to pass intel_atomic_state around, to make things clearer locally where an object's old/new atomic state is required. No functional changes. v2: - Fix checkpatch issue: typo in code comment. v3: - Rebase on drm-tip. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-17-imre.deak@intel.com
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Imre Deak authored
Use hex numbers, since that makes more sense when decoding a bit pattern. No functional change. Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Animesh Manna <animesh.manna@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-16-imre.deak@intel.com
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Imre Deak authored
We must keep the TypeC port mode fixed for the duration of the connector detection and each AUX transfers. Add a new TypeC lock holding it around these two sequences. For consistency also hold the lock during the port mode sanitization. Whenever resetting the port mode (only during the detection for now) the port's AUX power domain must be disabled already. Flush the async power domain disabling work to ensure this. A follow-up patch will make the port mode changing more robust by postponing the change for active ports. v2: - Fix checkpatch issue: missing annotation for tc_lock. Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-15-imre.deak@intel.com
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Imre Deak authored
For using the correct AUX power domains we have to sanitize the TypeC port mode early, so move that before encoder sanitization. To do this properly read out the actual port mode instead of just relying on the VBT legacy port flag (which can be incorrect). We also verify that the PHY is connected as expected if the port is active. In case the port is inactive we connect the PHY in case of a legacy port - as we did so far. The PHY will be connected during detection for DP-alt mode - as it was done so far. For TBT-alt mode nothing needs to be done to connect the PHY. v2: - Use DRM_DEBUG_KMS instead of DRM_DEBUG_DRIVER. (José) v3: - Detect TCCOLD any time PORT_TX_DFLEXDPCSSS is read. (Ville) Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-14-imre.deak@intel.com
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Imre Deak authored
Make the order during detection more consistent: first reset the TypeC port mode if needed (adding new helpers for this), then detect any connected sink. To check if a port mode reset is needed determine first the target port mode based on the live status if a sink is already connected or the PHY status complete flag otherwise. Add a WARN in legacy mode if unexpectedly we can't set the unsafe mode or if the FIA doesn't provide the 4 lanes required. Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-13-imre.deak@intel.com
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Imre Deak authored
Based on a recent BSpec update (Index/21750) we must handle the TCCOLD event associated with the DP-alt mode. We can detect this event by reading an invalid all-1s value from FIA registers. After detecting TCCOLD we will: - fall back to TBT-alt mode when attempting to switch to DP-alt mode - conclude that nothing is connected during live status detection - WARN when already in unsafe mode, since then TCCOLD is unexpected v2: - Use DRM_DEBUG_KMS instead of DRM_DEBUG_DRIVER. (José) v3: - Use 0xffffffff instead of -1 as invalid FIA reg value. (José, Ville) - Check for TCCOLD in icl_tc_phy_status_complete() too. (Ville) Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-12-imre.deak@intel.com
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Imre Deak authored
The PHY status complete flag normally clears when disconnecting the PHY in DP-alt mode (achieved by switching to safe mode), so wait for the flag to clear. v2: - Use DRM_DEBUG_KMS instead of DRM_DEBUG_DRIVER. (José) Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-11-imre.deak@intel.com
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Imre Deak authored
Factor out helpers reading/parsing the TypeC specific registers, making current users of them clearer and letting us use them later. While at it also: - Simplify icl_tc_phy_connect() with an early return in legacy mode. - Simplify the live status check using one bitmask for all HPD bits. - Remove a micro-optimisation of the repeated safe-mode clearing. - Make sure we fix the legacy port flag in all cases. Except for the last two, no functional changes. v2: - Don't do reg reads at variable declarations. (Jani) - Prevent constant truncated compiler warning when assigning the valid_hpd_mask. (Nick) - s/intel_tc_port_get_lane_info/intel_tc_port_get_lane_mask/ (Ville) v3: - Make valid_hpd_mask init clear. (Ville) Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Cc: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-10-imre.deak@intel.com
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Imre Deak authored
Unify the TypeC port notation in log messages, so that it matches the spec. For instance the first ICL TypeC port will read as 'Port C/TC#1'. v2: - Format print the name only once. (José) Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-9-imre.deak@intel.com
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Imre Deak authored
In the TypeC TBT-alt port mode we must use the TBT AUX power domain, fix that. Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Cc: José Roberto de Souza <jose.souza@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-8-imre.deak@intel.com
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Imre Deak authored
Fix the mapping from a TBT AUX power well index to the DP_AUX_CH_CTL register. Fixes: c7375d95 ("drm/i915: Configure AUX_CH_CTL when enabling the AUX power domain") Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-7-imre.deak@intel.com
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Imre Deak authored
According to the spec we should not enable the DDI-IO power domain if the TypeC port is in the TBT-alt mode, so do that only in the other TypeC modes or for non-TypeC ports. See the internal BSpec Index/22243. v2: - Add the internal BSpec reference to the log message. (José) Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Cc: José Roberto de Souza <jose.souza@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-6-imre.deak@intel.com
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Imre Deak authored
The TypeC port mode can switch dynamically, to reflect that better call the port's mode as 'mode' rather than 'type'. While at it: - s/TC_PORT_TBT/TC_PORT_TBT_ALT/ and s/TC_PORT_TYPEC/TC_PORT_DP_ALT/. 'TYPEC' is ambiguous, TBT_ALT and DP_ALT better match the reality. - Remove the 'unknown' TypeC port mode. The mode is always known, it's the TBT-alt/safe mode after HW reset and after disconnecting the PHY. Simplify the tc_port/tc_type checks accordingly. - Don't WARN if the port mode changes, that can happen normally. No functional changes. Cc: Animesh Manna <animesh.manna@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-5-imre.deak@intel.com
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Imre Deak authored
Move the TypeC port handling functions to a new file for clarity. While at it: - s/icl_tc_port_connected()/intel_tc_port_connected()/ icl_tc_phy_disconnect(), will be unexported later. - s/intel_dp_get_fia_supported_lane_count()/ intel_tc_port_fia_max_lane_count()/ It's used for HDMI legacy mode too. - Simplify function interfaces by passing only dig_port to them. No functional changes. v2: - Fix checkpatch issues: +1/-1 empty lines in intel_tc.c and add missing SPDX to intel_tc.h. (Jani) Cc: Animesh Manna <animesh.manna@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Acked-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-4-imre.deak@intel.com
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Imre Deak authored
The HW completion flag for the TBT AUX power well enabling/disabling gets stuck if the firmware tears down the TBT DP tunnel before the completion. We shouldn't complain about the timeout, since it's expected to happen and doesn't cause further issues. We suppress the disabling timeout already, do the same for enabling. v2: - Make the debug message more precise. (José) Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-3-imre.deak@intel.com
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Imre Deak authored
Add support to read out the TBT PLL HW state. Cc: Vandita Kulkarni <vandita.kulkarni@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628143635.22066-2-imre.deak@intel.com
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Maarten Lankhorst authored
Instead of directly referencing drm_crtc_state, convert to intel_ctc_state and use the base struct. This is useful when we're making the split between uapi and hw state, and also makes the code slightly more readable. A lot of places also use cstate, instead of the more common crtc_state. Clean those up to use crtc_state. Same for pstate vs plane_state. (Ville) Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628085517.31886-7-maarten.lankhorst@linux.intel.com
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Maarten Lankhorst authored
Pass along the correct state as much as possible, instead of relying on the drm state internally. This is required to rely on hw state internally soon. While at it, clean up intel_plane_atomic_check slightly, by using a helper function to get the intel_crtc. (Ville) Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628085517.31886-6-maarten.lankhorst@linux.intel.com
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Maarten Lankhorst authored
Get rid of all instances of drm_crtc_state, and rename cstate to crtc_state for more clarity. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628085517.31886-5-maarten.lankhorst@linux.intel.com
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Maarten Lankhorst authored
Like the rest of the intel atomic functions we should pass along intel_crtc_state, and dereference drm_crtc_state only through intel_crtc_state->base While at it, rename old/new_state to old/new_crtc_state. (Ville) Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628085517.31886-4-maarten.lankhorst@linux.intel.com
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Maarten Lankhorst authored
Instead of passing along drm_crtc_state and drm_atomic_state, pass along more intel_atomic_state and intel_crtc_state. This will make the code more readable by not casting between drm state and intel state all the time. While at it, rename old_state to state, with the get_new/old helpers there is no point in distinguishing between state before and after swapping state any more. (Ville) Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628085517.31886-3-maarten.lankhorst@linux.intel.com
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Maarten Lankhorst authored
In i915 we should use intel_crtc_state as much as possible, pass intel_crtc_state to needs_modeset, before we clean up all other uses of drm_crtc_state. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190628085517.31886-2-maarten.lankhorst@linux.intel.com
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- 28 Jun, 2019 1 commit
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Lucas De Marchi authored
This prepares to have possibly more than 3 pipes. I didn't want to continue the previous approach since the check for "are the disabled pipes the last ones" poses a combinatory explosion. We need that check because in several places of the code we have that assumption. If that ever becomes false in a new HW, other parts of the code would have to change. Now we start by considering we have info->num_pipes enabled and disable each pipe that is marked as disabled. Then it's a simple matter of checking if we have at least one pipe and that all the enabled ones are the first pipes, i.e. there are no holes in the bitmask. Cc: Jose Souza <jose.souza@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190625175437.14840-3-lucas.demarchi@intel.com
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- 27 Jun, 2019 10 commits
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Chris Wilson authored
drivers/gpu/drm/i915/i915_irq.c:3382:6: warning: symbol 'i945gm_vblank_work_func' was not declared. Should it be static? CC [M] drivers/gpu/drm/i915/i915_irq.o drivers/gpu/drm/i915/i915_irq.c:3382:6: error: no previous prototype for ‘i945gm_vblank_work_func’ [-Werror=missing-prototypes] void i945gm_vblank_work_func(struct work_struct *work) Jani wrote the idential patch, so for posterity: The static keyword was apparently accidentally removed in commit 08fa8fd0 ("drm/i915: Switch to per-crtc vblank vfuncs"), leading to sparse warning: drivers/gpu/drm/i915/i915_irq.c:3382:6: warning: symbol 'i945gm_vblank_work_func' was not declared. Should it be static? Make the function static again. Meanwhile, the 0-day kbuilder also spotted the mistake. Fixes: 08fa8fd0 ("drm/i915: Switch to per-crtc vblank vfuncs") Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190626224212.10141-1-chris@chris-wilson.co.uk Link: https://patchwork.freedesktop.org/patch/msgid/20190627091914.30795-1-jani.nikula@intel.com
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Jani Nikula authored
Add the minimal includes/declarations to make the header self-contained, and ensure it stays that way. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190626144020.2155-13-jani.nikula@intel.com
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Jani Nikula authored
Add the minimal includes/declarations to make the header self-contained, and ensure it stays that way. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190626144020.2155-12-jani.nikula@intel.com
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Jani Nikula authored
Add the minimal includes/declarations to make the header self-contained, and ensure it stays that way. v2: also include i915_reg.h (Michal) Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190626144020.2155-11-jani.nikula@intel.com
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Jani Nikula authored
Add the minimal includes/declarations to make the header self-contained, and ensure it stays that way. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190626144020.2155-10-jani.nikula@intel.com
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Jani Nikula authored
Add the minimal includes/declarations to make the header self-contained, and ensure it stays that way. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190626144020.2155-9-jani.nikula@intel.com
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Jani Nikula authored
Add the minimal includes/declarations to make the header self-contained, and ensure it stays that way. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190626144020.2155-8-jani.nikula@intel.com
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Jani Nikula authored
Add the minimal includes/declarations to make the header self-contained, and ensure it stays that way. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190626144020.2155-7-jani.nikula@intel.com
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Jani Nikula authored
Add the minimal includes/declarations to make the header self-contained, and ensure it stays that way. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190626144020.2155-6-jani.nikula@intel.com
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Jani Nikula authored
Add the minimal includes/declarations to make the header self-contained, and ensure it stays that way. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190626144020.2155-4-jani.nikula@intel.com
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