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Going forward, struct intel_display is the main display device data
pointer. Convert the i9xx_wm.h interface to struct intel_display.
With this, we can make intel_wm.c independent of i915_drv.h.
v2: Also remove i915_drv.h, fix commit message
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/3e30634d85c0e0aac9c95f9a2f928131ba400271.1744119460.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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The ilk+ disable_lp_wm boolean has the exact same role as
disable_cxsr for gmch platforms. The documentation also
still talks about CxSR on ilk+ even theough the way you
control it has now change to involve toggling the LP watermarks.
Get rid of disable_lp_wm and just use disable_cxsr for ilk+
as well.
TODO: Unify even more to not have any gmch vs. ilk+
details in high level modeset code...
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240916162413.8555-7-ville.syrjala@linux.intel.com
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
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Add stubs for !I915.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/bf15b14d3d060fdb256c78d4b8514d642a8958e6.1694514689.git.jani.nikula@intel.com
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The declaration was removed earlier, but got accidentally resurrected in
i915xx_wm.[ch] refactoring. Remove harder.
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/20230419115449.422214-1-jani.nikula@intel.com
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Move sanitize_watermarks() to i9xx_wm.[ch] and rename as
ilk_wm_sanitize(). The slightly unfortunate downside is having to expose
intel_atomic_check() from intel_display.c, but this declutters
intel_display.c nicely.
v2:
- Move to i9xx_wm.[ch] instead of intel_wm.[ch] (Ville)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
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/20230215141910.433043-1-jani.nikula@intel.com
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Get rid of the if ladder in intel_modeset_setup_hw_state() and hide a
number of functions by adding a .get_hw_state() hook to watermark
functions. At least for now, combine the platform specific sanitization
to the hw state readouts on the relevant platforms instead of adding a
separate hook for that.
There's a functional change on PCH split platforms: If i9xx_wm_init()
fails to read plane latency and chooses the nop functions,
ilk_wm_get_hw_state() won't get called for readout. Add the
ilk_init_lp_watermarks() call on that path which now won't be called in
.get_hw_state(), as it looks like the only thing that could make a
difference.
v2:
- Add missing static (kernel test robot)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
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/6da32831e40606cc8b90491b83196917f2ce36ab.1676317696.git.jani.nikula@intel.com
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Add new files intel_wm.[ch] and i9xx_wm.[ch] under display/ to hold
generic and pre-SKL watermark code, respectively. SKL+ watermark code
has already been split out to skl_watermark.[ch].
Use the _wm.[ch] naming for brevity; we may want to rename
skl_watermark.[ch] later accordingly.
Add new intel_wm_init() to call either skl_wm_init() or
i9xx_wm_init(i915) depending on the platform, the latter comprising of
the remains of intel_init_pm().
Sprinkle in some minor checkpatch fixes while moving the code.
v2:
- Rebase
- Fix copyright year
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
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/ddf04a07a37f0368b3fef85d4ebb924082fec6cd.1676317696.git.jani.nikula@intel.com
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