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In commit "drm/i915/display: Increase number of fast wake precharge pulses"
we were increasing Fast Wake sync pulse length to fix problems observed on
Dell Precision 5490 laptop with AUO panel. Later we have observed this is
causing problems on other panels.
Fix these problems by increasing Fast Wake sync pulse length as a quirk
applied for Dell Precision 5490 with problematic panel.
Fixes: f77772866385 ("drm/i915/display: Increase number of fast wake precharge pulses")
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Closes: http://gitlab.freedesktop.org/drm/i915/kernel/-/issues/9739
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/2246
Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11762
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Cc: <stable@vger.kernel.org> # v6.10+
Link: https://patchwork.freedesktop.org/patch/msgid/20240902064241.1020965-3-jouni.hogander@intel.com
(cherry picked from commit fcba2ed66b39252210f4e739722ebcc5398c2197)
Requires: 43cf50eb1408 ("drm/i915/display: Add mechanism to use sink model when applying quirk")
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Currently there is no way to apply quirk on device only if certain panel
model is installed. This patch implements such mechanism by adding new
quirk type intel_dpcd_quirk which contains also sink_oui and sink_device_id
fields and using also them to figure out if applying quirk is needed.
New intel_init_dpcd_quirks is added and called after drm_dp_read_desc with
proper sink device identity read from dpcdc.
v3:
- !mem_is_zero fixed to mem_is_zero
v2:
- instead of using struct intel_quirk add new struct intel_dpcd_quirk
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240902064241.1020965-2-jouni.hogander@intel.com
(cherry picked from commit b3b91369908ac63be6f64905448b8ba5cd151875)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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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
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Turn the quirk ids to enums instead of bits, and hide the masking inside
intel_quirks.c. Define the enums in intel_quirks.h to declutter
i915_drv.h while at it.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/60d8a20e1f8845b0bef53c2e32d524be888e426d.1661779055.git.jani.nikula@intel.com
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Add intel_has_quirk() for checking if a display quirk is present. Avoid
accessing i915->quirks all over the place.
v2: Rebase
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/74f954ca81a8068033141a15686dffd01ad9b0f9.1661779055.git.jani.nikula@intel.com
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Now that we have a new subdirectory for display code, continue by moving
modesetting core code.
display/intel_frontbuffer.h sticks out like a sore thumb, otherwise this
is, again, a surprisingly clean operation.
v2:
- don't move intel_sideband.[ch] (Ville)
- use tabs for Makefile file lists and sort them
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190613084416.6794-3-jani.nikula@intel.com
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