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2024-04-18drm/i915/quirks: convert struct drm_i915_private to struct intel_displayJani Nikula7-62/+65
Use struct intel_display instead of struct drm_i915_private for quirks. Also do drive-by conversions in call sites of intel_has_quirk(). Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/d90e9d8e91e59d04d38f2743c02c74a8f0e13133.1713358679.git.jani.nikula@intel.com
2024-04-18drm/i915/display: accept either i915 or display for feature testsJani Nikula1-2/+3
Use the generic __to_intel_display() to allow passing either struct drm_i915_private * or struct intel_display * to the feature test macros. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/bed78da39e6bd1587db4dab820602c55c63cdd6a.1713358679.git.jani.nikula@intel.com
2024-04-18drm/i915: add generic __to_intel_display()Jani Nikula1-0/+22
Add generic __to_intel_display() macro that accepts either struct drm_i915_private * or struct intel_display *. This is to be used for transitional stuff that eventually needs to be converted to use struct intel_display *, and therefore is not part of to_intel_display(). Add new intel_display_conversion.h to host the helper to avoid duplication between xe and i915 drivers. v2: put it in the new header (Rodrigo) Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/a999ff8183659a4df68d439ebd31c19b5c56852a.1713358679.git.jani.nikula@intel.com
2024-04-18drm/i915/display: add generic to_intel_display() macroJani Nikula1-0/+37
Convert various pointers to struct intel_display * using _Generic(). Add some macro magic to make adding new conversions easier, and somewhat abstract the need to cast each generic association. The cast is required because all associations needs to compile, regardless of the type and the generic selection. The use of *p in the generic selection assignment expression removes the need to add separate associations for const pointers. Note: This intentionally does *not* cover struct drm_i915_private or struct xe_device. They are not to be used in the long run, so avoid using this macro for them. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/02cf407961200db4379370856c779ea62b3eaa90.1713358679.git.jani.nikula@intel.com
2024-04-18drm/i915/display: add intel_display -> drm_device backpointerJani Nikula2-0/+6
As a baby step towards making struct intel_display the main data structure for display, add a backpointer to struct drm_device that can be used instead of &i915->drm. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/47dd7bc4aae3c10b18097824e37617c072c66c0b.1713358679.git.jani.nikula@intel.com
2024-04-18drm/i915: use system include for drm headersJani Nikula1-1/+1
Use <> instead of "" for including headers from include/, even if the file is in the same directory. Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Acked-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/ed02b81fcbbc0d27be4af460c521aefbfdc76375.1712743191.git.jani.nikula@intel.com
2024-04-18drm/i915: limit eDP MSO pipe only for display version 20 and belowLuca Coelho1-2/+7
The pipes that can be used for eDP MSO are limited to pipe A (and sometimes also pipe B) only for display version 20 and below. Modify the function that returns the pipe mask for eDP MSO so that these limitations only apply to version 20 and below, enabling all pipes otherwise. Bspec: 68923 Cc: Jani Nikula <jani.nikula@intel.com> Cc: James Ausmus <james.ausmus@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240404091646.165309-1-luciano.coelho@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Suck snps/cx0 PLL states into dpll_hw_stateVille Syrjälä6-60/+58
For some reason the snps/cx0 PLL states were added into a union alongside dpll_hw_state. Just suck them into dpll_hw_state so that we don't have so many levels of unions/etc. TODO: Get rid of 'clock' from the snps/cx0 PLL states as it is not a register values and thus doesn't belong there Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-19-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Unionize dpll_hw_stateVille Syrjälä1-5/+7
intel_dpll_hw_state contains space for all possible PLL register values across all platforms. That is rather wasteful as each machine only needs to store the registers values that are appropriate for the platform. Turn intel_dpll_hw_state into a union so that we don't waste memory for the register values of other platforms. And let's use an anonymous union so that we don't have to do tons of s/struct/union/ all over the place. pahole: struct intel_dpll_hw_state { - struct i9xx_dpll_hw_state i9xx; /* 0 16 */ - struct hsw_dpll_hw_state hsw; /* 16 8 */ - struct skl_dpll_hw_state skl; /* 24 12 */ - struct bxt_dpll_hw_state bxt; /* 36 44 */ - /* --- cacheline 1 boundary (64 bytes) was 16 bytes ago --- */ - struct icl_dpll_hw_state icl; /* 80 60 */ + union { + struct i9xx_dpll_hw_state i9xx; /* 0 16 */ + struct hsw_dpll_hw_state hsw; /* 0 8 */ + struct skl_dpll_hw_state skl; /* 0 12 */ + struct bxt_dpll_hw_state bxt; /* 0 44 */ + struct icl_dpll_hw_state icl; /* 0 60 */ + }; /* 0 60 */ - /* size: 140, cachelines: 3, members: 5 */ - /* last cacheline: 12 bytes */ + /* size: 60, cachelines: 1, members: 1 */ + /* last cacheline: 60 bytes */ Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-18-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Carve up struct intel_dpll_hw_stateVille Syrjälä6-95/+160
struct intel_dpll_hw_state has a spot for all possible PLL registers across all platforms (well, apart from cx0/snps). This makes it rather confusing when trying to figure out which members belong to which platform(s). Split the struct up into five different platform specific sub-structures. For now this will actually increase the size a little bit as we have to duplicate a few members from skl to icl, but that will be remedied soon when we turn the thing into a union. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-17-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Add local DPLL 'hw_state' variablesVille Syrjälä1-46/+56
Add some local 'hw_state' variables to the old DPLL code. Will help with unionizing the dpll_hw_state later. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-16-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: s/pipe_config/crtc_state/ in legacy PLL codeVille Syrjälä2-18/+18
Rename all the ye olde 'pipe_config's to the modern 'crtc_state' name in the legacy DPLL code. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-15-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Drop pointless 'crtc' argument from *_crtc_clock_get()Ville Syrjälä4-22/+16
We are alreayd passing the crtc_state to *_crtc_clock_get(). Passing the crtc as well is 100% redundant, so don't do it. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-14-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Modernize i9xx_pll_refclk()Ville Syrjälä1-8/+7
Drop the redundant 'dev' argument from i9xx_pll_refclk() and rename its variables to conform to modern standards. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-13-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Inline {i9xx,ilk}_update_pll_dividers()Ville Syrjälä1-33/+13
Now that *_compute_dpll() are no longer a mess {i9xx,ilk}_update_pll_dividers() don't serve any real purpose anymore. Just inline them into the callers. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-12-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Extract {i9xx,i8xx,ilk,vlv,chv}_dpll()Ville Syrjälä1-33/+68
The *_compute_dpll() functions generally contain two things: - huge pile of inline code to calculate the DPLL register value - a few calls to helpers to calculate the DPLL_MD and FP register values Pull the DPLL register value calculations into a helpers as well, so that *_compute_dpll() can focus on higher level tasks. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-11-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Extract i965_dpll_md()Ville Syrjälä1-9/+9
We have three copies of the DPLL_MD value computation. Share it. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-10-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Pass the PLL hw_state to pll->enable()Ville Syrjälä1-32/+37
Stop rummaging around inside pll->state directly in the low level pll->enable() functions, and instead let the higher level code figure out where the correct state is stored and pass it in. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-9-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Extract i9xx_dpll_get_hw_state()Ville Syrjälä3-20/+37
Start making the GMCH DPLL code a bit more like the more modern platforms by separating out the DPLL hw state readout from the rest of the pipe readout. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-8-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Extract ilk_dpll_compute_fp()Ville Syrjälä1-10/+12
Let's not repeat ourselves so much and pull the entire PCH DPLL FP register value calculation into its own function. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-7-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Extract ilk_fb_cb_factor()Ville Syrjälä1-15/+17
Pull the code to calculate PCH DPLL tuning factor into its own function. Helps declutter ilk_update_pll_dividers(). Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-6-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Introduce some local PLL state variablesVille Syrjälä1-40/+50
Spinkle local PLL hw_state variables into various low level PLL functions. Will make subsequent changes cleaner when we don't have to touch so many places when renaming struct members and whatnot. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-5-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Rename PLL hw_state variables/argumentsVille Syrjälä2-114/+115
We have zero consistency in out PLL state naming scheme. Try to unify things a bit by using 'dpll_hw_state' for high level stuff and just 'hw_state' for low level stuff. Currently both are the same, but I want to unionize intel_dpll_hw_state at which point using different names can make it more clear whether we're talking about the whole union or just the embedded platform specific struct. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-4-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Use printer for the rest of PLL debugfs dumpVille Syrjälä1-4/+4
Since we now have the printer around for intel_dpll_dump_hw_state() use it for all the other PLL prints as well. Just to make the thing looks less crazy. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-3-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915: Replace hand rolled PLL state dump with intel_dpll_dump_hw_state()Ville Syrjälä1-29/+2
Just use intel_dpll_dump_hw_state() instead of hand rolling it. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412182703.19916-2-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915/display: tie DMC wakelock to DC5/6 state transitionsLuca Coelho2-0/+11
We only need DMC wakelocks when we allow DC5 and DC6 states. Add the calls to enable and disable DMC wakelock accordingly. Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412094148.808179-5-luciano.coelho@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915/display: add module parameter to enable DMC wakelockLuca Coelho3-2/+10
This feature should be disabled by default until properly tested and mature. Add a module parameter to enable the feature for testing, while keeping it disabled by default for now. Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412094148.808179-4-luciano.coelho@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915/display: don't allow DMC wakelock on older hardwareLuca Coelho2-0/+27
Only allow running DMC wakelock code if the display version is 20 or greater. Also check if DMC is loaded before enabling. Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412094148.808179-3-luciano.coelho@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-04-17drm/i915/display: add support for DMC wakelocksLuca Coelho8-8/+373
In order to reduce the DC5->DC2 restore time, wakelocks have been introduced in DMC so the driver can tell it when registers and other memory areas are going to be accessed and keep their respective blocks awake. Implement this in the driver by adding the concept of DMC wakelocks. When the driver needs to access memory which lies inside pre-defined ranges, it will tell DMC to set the wakelock, access the memory, then wait for a while and clear the wakelock. The wakelock state is protected in the driver with spinlocks to prevent concurrency issues. BSpec: 71583 Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Reviewed-by: Uma Shankar <uma.shankar@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240412094148.808179-2-luciano.coelho@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-04-12drm/i915: Allow bigjoiner for MSTVidya Srinivas1-13/+15
We need bigjoiner support with MST functionality for MST monitor resolutions > 5K to work. Adding support for the same. v2: Addressed review comments from Jani. Revert rejection of MST bigjoiner modes and add functionality v3: Fixed pipe_mismatch WARN for mst_master_transcoder Credits-to: Manasi Navare <navaremanasi@chromium.org> v4: Utilize intel_crtc_joined_pipe_mask() also for handling bigjoiner slave pipes for MST case(Stan) [v5: vsyrjala: chunked the modeset squence stuff out, removed bogus mst master transcoder hack, keep mgr_lock near the full_pbn check] [v6: vsyrjala: Calculate DSC slices correctly for bigjoiner (Imre)] Reviewed-by: Manasi Navare <navaremanasi@chromium.org> Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com> Co-developed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240409163502.29633-7-ville.syrjala@linux.intel.com
2024-04-12drm/i915/mst: Add bigjoiner handling to MST modeset sequenceVille Syrjälä1-7/+27
Loop over all joined pipes at relevant points in the MST modeset sequence. Carved out from Vidya's earlier big patch, with naming/etc. changed to match the earlier hsw_crtc_enable() stuff. Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com> Co-developed-by: Vidya Srinivas <vidya.srinivas@intel.com> Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240409163502.29633-6-ville.syrjala@linux.intel.com
2024-04-12drm/i915: Handle joined pipes inside hsw_crtc_enable()Stanislav Lisovskiy3-83/+107
Handle only bigjoiner masters in skl_commit_modeset_enables/disables, slave crtcs should be handled by master hooks. Same for encoders. That way we can also remove a bunch of checks like intel_crtc_is_bigjoiner_slave. v2: - Moved skl_pfit_enable, intel_dsc_enable, intel_crtc_vblank_on to intel_enable_ddi, so that it is now finally symmetrical with the disable case, because currently for some weird reason we are calling those from skl_commit_modeset_enables, while for the disable case those are called from the ddi disable hooks. v3: - Create intel_ddi_enable_hdmi_or_sst symmetrical to intel_ddi_post_disable_hdmi_or_sst and move it also under non-mst check. v4: - Fix intel_enable_ddi sequence - Call intel_crtc_update_active_timings for slave pipes as well [v5: vsyrjala: Use the name 'pipe_crtc' for the per-pipe crtc pointer Use consistent style and naming Protect macro arguments properly Drop superfluous changes to the modeset sequence, this now follows the old non-joiner sequence 100% apart from just looping in places] Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> Tested-by: Vidya Srinivas <vidya.srinivas@intel.com> Reviewed-by: Manasi Navare <navaremanasi@chromium.org> #v4? Co-developed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240409163502.29633-5-ville.syrjala@linux.intel.com
2024-04-11drm/i915: Handle joined pipes inside hsw_crtc_disable()Ville Syrjälä1-25/+39
Reorganize the crtc disable path to only deal with the master pipes/transcoders in intel_old_crtc_state_disables() and offload the handling of joined pipes to hsw_crtc_disable(). This makes the whole thing much more sensible since we can actually control the order in which we do the per-pipe vs. per-transcoder modeset steps. v2: Use the name 'pipe_crtc' for the per-pipe crtc pointer Tested-by: Vidya Srinivas <vidya.srinivas@intel.com> Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240409163502.29633-4-ville.syrjala@linux.intel.com
2024-04-11drm/i915: Utilize intel_crtc_joined_pipe_mask() moreVille Syrjälä1-16/+17
Unify the master vs. slave handling in intel_ddi_post_disable_hdmi_or_sst() by looping over all the pipes in one go. This also lets us move the intel_crtc_vblank_off() calls to happen in a consistent place vs. the transcoder disable. Previously we did the master vs. slaves on different sides of that. v2: Use the name 'pipe_crtc' for the per-pipe crtc pointer Tested-by: Vidya Srinivas <vidya.srinivas@intel.com> Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240409163502.29633-3-ville.syrjala@linux.intel.com
2024-04-11drm/i915: Extract intel_ddi_post_disable_hdmi_or_sst()Ville Syrjälä1-14/+22
Extract the "not-MST" stuff from intel_ddi_post_disable() so that the whole thing isn't so cluttered. The bigjoiner slave handling was outside of the !MST check, but it really should have been inside it as its the counterpart to the master handling inside the check. So we pull that in as well. There is no functional change here as we don't currently support bigjoiner+MST anyway. v2: Rebase v3: Actually extract the slave code as claimed in the commit message (presumably a rebase fail in v2) Tested-by: Vidya Srinivas <vidya.srinivas@intel.com> Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240409163502.29633-2-ville.syrjala@linux.intel.com
2024-04-11drm/i915/psr: Use crtc_state->port_clock instead of intel_dp->link_rateJouni Högander1-1/+1
Intel_dp->link_rate is not yet set at this point. Instead use crtc_state->port_clock. Fixes: 0dd21f836983 ("drm/i915/psr: Silence period and lfps half cycle") Signed-off-by: Jouni Högander <jouni.hogander@intel.com> Reviewed-by: Animesh Manna <animesh.manna@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240409085759.178235-1-jouni.hogander@intel.com
2024-04-10drm/i915/mtl: Add DP FEC BS jitter WAImre Deak2-0/+4
Add a workaround to fix BS (blank start) to BS jitter fixes on non-UHBR MST/FEC and UHBR links. Bspec doesn't provide an actual WA ID for this. Bspec: 65448, 50054 Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240129175533.904590-7-imre.deak@intel.com
2024-04-10drm/i915/mtl+: Disable DP/DSC SF insertion at EOL WAImre Deak2-0/+10
Disable the workaround inserting an SF symbol between the last DSC EOC symbol and the subsequent BS symbol. The WA is enabled by default - based on the register's reset value - and Bspec requires disabling it explicitly. Bspec doesn't provide an actual WA ID for this. Bspec: 50054, 65448, 68849 Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240129175533.904590-6-imre.deak@intel.com
2024-04-10drm/i915/adlp+: Add DSC early pixel count scaling WA (Wa_1409098942)Imre Deak2-0/+16
Add a workaround to fix timing issues on links with DSC enabled - presumedly related to the audio functionality. Bspec requires enabling this workaround if audio is enabled on ADLP, however Windows enables it whenever DSC is enabled ADLP onwards; follow Windows. Bspec: 50490, 55424 v2: Fix WA code comment formatting. (Ankit) Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240129175533.904590-5-imre.deak@intel.com
2024-04-10drm/i915/adlp: Add DP MST DPT/DPTP alignment WA (Wa_14014143976)Imre Deak2-0/+4
Add a workaround to fix BS-BS jitter issues on MST links, aligning DPT/DPTP MTPs. Bspec: 50050, 55424 Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240129175533.904590-4-imre.deak@intel.com
2024-04-10drm/i915/adlp: Add MST short HBlank WA (Wa_14014143976)Imre Deak2-0/+9
Add a workaround to fix BS jitter issues on MST links if the HBLANK period is less than 1 MTP. The WA applies only to UHBR rates while on non-UHBR the specification requires disabling it explicitly - presumedly because the register's reset value has the WA enabled. Bspec: 50050, 55424 Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240129175533.904590-3-imre.deak@intel.com
2024-04-10drm/i915/adlp: Add MST FEC BS jitter WA (Wa_14013163432)Imre Deak2-0/+27
Add a workaround to fix BS (blank start) to BS jitter issues on MST links when FEC is enabled. Neither Bspec requires this nor Windows clears the WA when disabling the output - presumedly because CHICKEN_MISC_3 gets reset after disabling the pipe/transcoder - so follow suit. Bspec: 50050, 55424 Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240129175533.904590-2-imre.deak@intel.com
2024-04-10drm/i915/pps: move pps debugfs file to intel_pps.cJani Nikula3-25/+35
Continue with placing debugfs next to the implementation. Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240408094357.3085319-1-jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-04-09drm/i915: Introduce intel_crtc_joined_pipe_mask()Ville Syrjälä3-6/+13
Add a small helper to compute the set of pipes that the current crtc is using. And we have at least one trivial place in intel_ddi_update_active_dpll() where we can use it immediately, so let's do that. v2: Use the name 'pipe_crtc' for the per-pipe crtc pointer Tested-by: Vidya Srinivas <vidya.srinivas@intel.com> Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240404213441.17637-12-ville.syrjala@linux.intel.com
2024-04-09drm/i915: Pass connector to intel_dp_need_bigjoiner()Ville Syrjälä3-6/+10
Pass the connector explicitly to intel_dp_need_bigjoiner() so that it'll actually check the correct place for the bigjoiner force flag. Tested-by: Vidya Srinivas <vidya.srinivas@intel.com> Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240404213441.17637-11-ville.syrjala@linux.intel.com
2024-04-09drm/i915/mst: Check intel_dp_joiner_needs_dsc()Ville Syrjälä1-4/+6
intel_dp_mst_compute_config() is missing the "does the joiner need DSC?" check despite claiming to have a lot of other joiner/dsc stuff in there (albeit disabled). Replicate the logic from the SST side. TODO: refactor all this duplicated code! Tested-by: Vidya Srinivas <vidya.srinivas@intel.com> Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240404213441.17637-10-ville.syrjala@linux.intel.com
2024-04-09drm/i915: Extract intel_dp_joiner_needs_dsc()Ville Syrjälä3-18/+15
Pull the "does joiner need DSC?" check into a helper. MST will want to use this too at some point. Tested-by: Vidya Srinivas <vidya.srinivas@intel.com> Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240404213441.17637-9-ville.syrjala@linux.intel.com
2024-04-09drm/i915: s/intel_dp_can_bigjoiner()/intel_dp_has_bigjoiner()/Ville Syrjälä2-3/+3
Rename intel_dp_can_bigjoiner() to intel_dp_has_bigjoiner() to better reflect its function. Tested-by: Vidya Srinivas <vidya.srinivas@intel.com> Reviewed-by: Vandita Kulkarni <vandita.kulkarni@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240404213441.17637-8-ville.syrjala@linux.intel.com
2024-04-09drm/i915: use check_add_overflow() and drop local variantsJani Nikula2-17/+3
Prefer common check_add_overflow() from overflow.h over the locally rolled versions of it. While check_add_overflow() does require a variable to assign to, unlike add_overflows_t(), it's still better than having multiple versions around. Cc: Kees Cook <keescook@chromium.org> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240405202625.2525671-1-jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2024-04-09drm/i915: move pipestat_irq_mask to display substructJani Nikula4-9/+8
The info is related to display, and should be placed under i915->display. Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Acked-by: Lucas De Marchi <lucas.demarchi@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/2e2f1c9576126927ea63a54639077c01d44ad5b6.1712599670.git.jani.nikula@intel.com
generated by cgit v1.2.3 (git 2.39.0) at 2025-09-24 15:50:49 +0300