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13 commits

Author SHA1 Message Date
Ville Syrjälä
d39ef5d5c0 drm/i915: Move intel_ddi_fdi_post_disable() to fdi code 
Reanme intel_ddi_fdi_post_disable() to hsw_fdi_disable() and
relocate it next to all the other code dealing with FDI_RX.
intel_ddi.c has now been cleansed of FDI_RX.

In order to avoid exposing intel_disable_ddi_buf() outside
intel_ddi.c we can just open code the DDI_BUF_CTL write. The
enable side already has all that stuff open coded so
this actually is more symmetric. But we do need to remeber
to bring the intel_wait_ddi_buf_idle() call over from
inside intel_disable_ddi_buf().

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/20211015071625.593-9-ville.syrjala@linux.intel.com
Reviewed-by: Dave Airlie <airlied@redhat.com>
 2021-10-19 09:40:13 +03:00
Ville Syrjälä
ae880cd02c drm/i915: Move PCH refclock stuff into its own file 
Move the PCH refclk stuff (including all the LPT/WPT
iCLKIP/CLKOUT_DP things) to its own file.

We also suck in the mPHY programming from intel_fdi.c
since we're the only caller.

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/20211015071625.593-2-ville.syrjala@linux.intel.com
Reviewed-by: Dave Airlie <airlied@redhat.com>
 2021-10-19 09:36:22 +03:00
Jani Nikula
a23299bb9a drm/i915/fdi: use -EAGAIN instead of local special return value 
Using standard -EAGAIN should be perfectly fine instead of using a
special case value.

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/20210930093229.28598-1-jani.nikula@intel.com
 2021-10-01 11:51:17 +03:00
Jani Nikula
e04a911f43 drm/i915/fdi: move fdi modeset asserts to intel_fdi.c 
Keep the functionality and the assert code together.

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/427d27eb4e5daca208d496d6c2ffc91ed90ba714.1632992608.git.jani.nikula@intel.com
 2021-10-01 10:48:58 +03:00
Dave Airlie
4360a2b54f drm/i915/display: add intel_fdi_link_train wrapper. 
This wraps the fdi link training vfunc to make it clearer.

Suggested by Jani.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1bb978bcb6f16fbdaf08f2800a179b774525b59e.1632869550.git.jani.nikula@intel.com
 2021-09-29 08:58:46 +03:00
Jani Nikula
e2cf6afcda drm/i915/fdi: move fdi mphy reset and programming to intel_fdi.c 
This fairly detailed stuff that really has no place in
intel_display.c. Combine the calls into one to avoid exposing both.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b0037775480380e5d73d0b112da478d6f0ea30fe.1629906431.git.jani.nikula@intel.com
 2021-08-27 11:43:54 +03:00
Jani Nikula
12b2c3016d drm/i915/fdi: move more FDI stuff to FDI link train hooks 
Accept slight duplication in the fdi link train hooks in exchange for
simplification in ilk_pch_enable(). This lets us make
ivb_update_fdi_bc_bifurcation() static again, now in intel_fdi.c.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7984e670c6bb092d213d90f838d526d594d4a690.1629906431.git.jani.nikula@intel.com
 2021-08-27 11:43:51 +03:00
Jani Nikula
f18362cd28 drm/i915/fdi: move fdi bc bifurcation functions to intel_fdi.c 
Move FDI related functions to intel_fdi.c. Don't bother with renaming as
we'll make the functions static shortly.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/fd8afe4876f0b0762a9c69e01762a8dba31349e5.1629906431.git.jani.nikula@intel.com
 2021-08-27 11:43:47 +03:00
Jani Nikula
0ce2982582 drm/i915/fdi: move intel_update_fdi_pll_freq to intel_fdi.c 
Move FDI related functions to intel_fdi.c. Rename to have intel_fdi
prefix while at it.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/da1609dfce4623f8ec86254aea6c2c8679b6a37f.1629906431.git.jani.nikula@intel.com
 2021-08-27 11:43:36 +03:00
Jani Nikula
cb6baa20c5 drm/i915/fdi: make intel_fdi_link_freq() return int 
The unsigned doesn't help us here.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Suggested-by: 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/20210823093645.10464-1-jani.nikula@intel.com
 2021-08-24 19:23:09 +03:00
Jani Nikula
63aef47b3e drm/i915/fdi: move intel_fdi_link_freq() to intel_fdi.[ch] 
There's no performance reason to have it as static inline; move it out
of intel_display_types.h to reduce clutter and dependency on i915_drv.h.

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/8c9bb23d92878deb1ecc75427ec6648bd3505816.1629281426.git.jani.nikula@intel.com
 2021-08-20 10:29:00 +03:00
Dave Airlie
dcb38f7912 drm/i915: migrate hsw fdi code to new file. 
Daniel asked for this, but it's a bit messy and I'm not sure
how best to clean it up yet.

Signed-off-by: Dave Airlie <airlied@redhat.com>
[Jani: also moved fdi buf trans to intel_fdi.c.]
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/44491f2465549ea5c2e48cde5437fa232f77ab96.1612467466.git.jani.nikula@intel.com
 2021-02-05 15:50:43 +02:00
Dave Airlie
777e687a0c drm/i915: split fdi code out from intel_display.c 
This just refactors out the fdi code to a separate file.

Signed-off-by: Dave Airlie <airlied@redhat.com>
[Jani: cleaned up intel_fdi.h a bit.]
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/f9d52c3d91f0973af308ede16e266fc9b753ecf9.1610622609.git.jani.nikula@intel.com
 2021-01-16 00:18:17 +02:00