Program the PCH transcoder M2/N2 values appropriately. We're
still missing a few things for PCH port DRRS but at least this
means we can do readout/state check for dp_m2_n2 unconditionally.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220128103757.22461-15-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Complete the ilk pch modeset abstraction by adding ilk_pch_pre_enable().
I did the disable vs. post_disable split already for the disable
sequence, but the enable sequence was still left with the naked
ilk_fdi_pll_enable() call for some reason.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220124193136.2397-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Let's add lpt_pch_disable() as the counterpart to
lpt_pch_enable().
Note that unlike the ilk+ code the fdi_link_train()
and fdi_disable() calls are still left directly in
intel_crt.c. If we wanted to move those we'd need to
add lpt_pch_pre_enable(). But the two fdi direct fdi
calls are pretry symmetric so it doesn't seem too bad
to just keep them as is.
v2: Make lpt_disable_pch_transcoder() static (lkp@intel.com)
Cc: Dave Airlie <airlied@redhat.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211015071625.593-10-ville.syrjala@linux.intel.com
Reviewed-by: Dave Airlie <airlied@redhat.com>
Hoover the remaining open coded PCH modeset sequence bits
out from ilk_crtc_disable(). Somewhat annoyingly the
enable vs. disable is a bit asymmetric so we need two
functions for the disable case.
Cc: Dave Airlie <airlied@redhat.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211015071625.593-8-ville.syrjala@linux.intel.com
Reviewed-by: Dave Airlie <airlied@redhat.com>
Pull the ilk+ PCH state readout into its own function and relocate
to the appropriate file.
The clock readout parts are perhaps a bit iffy since we depend
on the gmch DPLL readout code. But we can think about the clock
readout big picture later.
Cc: Dave Airlie <airlied@redhat.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211015071625.593-6-ville.syrjala@linux.intel.com
Reviewed-by: Dave Airlie <airlied@redhat.com>
Nuke the hsw_get_ddi_port_state() eyesore by putting the
readout code into intel_pch_display.c, and calling it directly
from hsw_crt_get_config().
Note that the nuked TRANS_DDI_FUNC_CTL readout from
hsw_get_ddi_port_state() is now etirely redundant since we
get called from the encoder->get_config() so we already know
we're dealing with the correct DDI port. Previously the
code was called from a place where that wasn't known so
it had to checked manually.
v2: Clarify the TRANS_DDI_FUNC_CTL change (Dave)
Nuke the now unused *TRANS_DDI_FUNC_CTL_VAL_TO_PORT() (Dave)
Cc: Dave Airlie <airlied@redhat.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211018153525.21597-1-ville.syrjala@linux.intel.com
Reviewed-by: Dave Airlie <airlied@redhat.com>
Use the clean "atomic_state+crtc" approach of passing
arguments to the top level PCH modeset code.
And while at it we can also just pass the whole crtc to
ilk_disable_pch_transcoder().
v2: Elimiate double space between function args (Dave)
Cc: Dave Airlie <airlied@redhat.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211015071625.593-4-ville.syrjala@linux.intel.com
Reviewed-by: Dave Airlie <airlied@redhat.com>
Start moving the code for PCH modeset sequence/etc. to
its own file.
Still not sure about the file name though...
Cc: Dave Airlie <airlied@redhat.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211015071625.593-3-ville.syrjala@linux.intel.com
Reviewed-by: Dave Airlie <airlied@redhat.com>
