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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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Going forward, struct intel_display is the main display device data
pointer. Convert the skl_watermark.h interface to struct intel_display.
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/cd2b1863dee25b69b4766090dd183a7467c4edea.1744119460.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Going forward, struct intel_display is the main display device data
pointer. Convert as much as possible of intel_wm.c to struct
intel_display.
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/6106c0313190ee904c7f7737d0b78b61983eed91.1744119460.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Going forward, struct intel_display is the main display device data
pointer. Convert the intel_wm.h interface as well as the hooks in struct
intel_wm_funcs to struct intel_display.
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/1085900b4e46bbb514e6918c321639ac380331ce.1744119460.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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I'll need to move the wm readout to an earlier point in the
sequence (since the bw state readout will need ddb information
from the wm readout). But (at least for now) the wm sanitation
will need to stay put as it needs to also sanitize things for
any pipes/planes we disable later during the hw state takeover.
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250306163420.3961-16-ville.syrjala@linux.intel.com
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We always call .compute_pipe_wm() and .compute_intermediate_wm()
back to back. Just combine them to a single hook for simplicity.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240916162413.8555-3-ville.syrjala@linux.intel.com
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
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Use a forward declaration for struct cec_notifier instead of including
media/cec-notifier.h in intel_display_types.h, and only include it where
needed.
Also realize that a lot of places depend on including linux/debugfs.h
via intel_display_types.h -> media/cec-notifier.h -> media/cec.h, and
include that too where needed.
v2: hsw_ips.c also needs debugfs.h (kernel test robot)
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240827104521.4151471-1-jani.nikula@intel.com
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Just use a simple {} to zero initialize arrays/structs instead
of the hodgepodge of stuff we are using currently.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231012122442.15718-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
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Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/i915/display/intel_wm.c:46: warning: Function parameter or member 'i915' not described in 'intel_update_watermarks'
drivers/gpu/drm/i915/display/intel_wm.c:46: warning: Excess function parameter 'dev_priv' description in 'intel_update_watermarks'
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230331092607.700644-20-lee@kernel.org
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Follow the new convention of placing debugfs with the code.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230215141910.433043-3-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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Move the wrappers to call watermark hooks into intel_wm.[ch]. This
declutters intel_display.c nicely.
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/2c8243c5c81b8cd8e34d51f55f3533373c305d0e.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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