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33 Commits

Author SHA1 Message Date
Ville Syrjälä
c46af5621a drm/i915: Use a fixed N value always 
Windows/BIOS always uses fixed N values. Let's match that
behaviour.

Allows us to also get rid of that constant_n quirk stuff.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907091057.11572-17-ville.syrjala@linux.intel.com
 2022-09-08 14:23:28 +03:00
Jani Nikula
20478b8807 drm/i915: move and group fdi members under display.fdi 
Move display fdi related members under drm_i915_private display
sub-struct.

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/b66fe7cf2c6f9e5b7bbfcaff40400492ac706721.1661779055.git.jani.nikula@intel.com
 2022-08-31 15:20:07 +03:00
Jani Nikula
06a50913d9 drm/i915: move fdi_funcs to display.funcs 
Move display fdi functions under drm_i915_private display sub-struct.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/16ff8df6c08411c0e5aac3356dffe7f5120fcfeb.1661346845.git.jani.nikula@intel.com
 2022-08-29 12:01:57 +03:00
Lucas De Marchi
f79a568add drm/i915: Use str_on_off() 
Remove the local onoff() implementation and adopt the
str_on_off() from linux/string_helpers.h.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220225234631.3725943-4-lucas.demarchi@intel.com
 2022-03-02 08:48:23 -08:00
Jani Nikula
91cb1e1178 drm/i915/fdi: hide struct intel_fdi_funcs 
The struct is only needed in intel_fdi.c, move it there.

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/a6c524a9abb74be9b4d6a084de5461404b823a10.1643896905.git.jani.nikula@intel.com
 2022-02-09 13:39:40 +02:00
Jani Nikula
fd2b94a5cb drm/i915/trace: split out display trace to a separate file 
Add display/intel_display_trace.[ch] for defining display
tracepoints. The main goal is to reduce cross-includes between gem and
display. It would be possible split up tracing even further, but that
would lead to more boilerplate.

We end up having to include intel_crtc.h in a few places because it was
pulled in implicitly via intel_de.h -> i915_trace.h -> intel_crtc.h, and
that's no longer the case.

There should be no changes to tracepoints.

v3:
- Rebase

v2:
- Define TRACE_INCLUDE_PATH relative to define_trace.h (Chris)
- Remove useless comments (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>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7862ad764fbd0748d903c76bc632d3d277874e5b.1638961423.git.jani.nikula@intel.com
 2021-12-09 11:21:46 +02:00
Jani Nikula
7794b6deb1 drm/i915/crtc: rename intel_get_crtc_for_pipe() to intel_crtc_for_pipe() 
The "get" in the name implies reference counting, remove it. This also
makes the function conform to naming style.

Suggested-by: 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/6105d0ff44efac3c999af6382e4b0729e251f1e1.1638366969.git.jani.nikula@intel.com
 2021-12-02 12:53:50 +02:00
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
abffa715da drm/i915: rename intel_sideband.[ch] to intel_sbi.[ch] 
Now that intel_sideband.[ch] has been decluttered, it's pure lpt/wpt
iosf sideband. Let's call it intel_sbi, following the function naming.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/183423ff23b2d259e4a197e74daf6bcd750bfe14.1634207064.git.jani.nikula@intel.com
 2021-10-14 18:05:04 +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
1c55b1e063 drm/i915: constify fdi link training vtable 
Put the vtable into ro memory.

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/ec4687956f9b98024fea55b2f0ed1e192e244ff1.1632869550.git.jani.nikula@intel.com
 2021-09-29 09:28:37 +03:00
Dave Airlie
5c8c179bca drm/i915: split fdi link training from display vtable. 
It may make sense to merge this with display again later,
however the fdi use of the vtable is limited to only a
few generations.

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/7af7359b6cec33bd2d32152893d9a1e8f8cf7f21.1632869550.git.jani.nikula@intel.com
 2021-09-29 09:10:39 +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
Ville Syrjälä
8c66081b0b drm/i915: s/pipe/transcoder/ when dealing with PIPECONF/TRANSCONF 
PIPECONF becamse TRANSCONF when HSW introduced the EDP transcoder.
Bigjoiner is making life even more confusing by introducing
a N:1 relationship between pipes and transcoders. In that case
we only enable/configure the transcoder corresponding to the
master pipe. Let's do some renames to make it clear we're dealing
with the transcoder rather than pipe when it comes to
PIPECONF/TRANSCONF.

I decided to leave the _cpu_ part out from the function/macro
names since the PCH transcoder related stuff already has a
_pch_ in their name. So shouldn't be possible to confuse them.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210913144440.23008-6-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
 2021-09-15 18:08:29 +03:00
Jani Nikula
9716846039 drm/i915/fdi: convert BUG()'s to MISSING_CASE() 
These shouldn't happen, but in the off chance they do, we'll want a
warning rather than panic.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b86132ac63f43f79e51eb63f948beccba85bf449.1629906431.git.jani.nikula@intel.com
 2021-08-27 11:43:57 +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
Ville Syrjälä
f15f01a799 drm/i915: s/intel_crtc/crtc/ 
Clear out the straggler 'intel_crtc' variables.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210609085632.22026-7-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
 2021-06-24 22:05:10 +03:00
Ville Syrjälä
c40a253b71 drm/i915: Introduce encoder->get_buf_trans() 
Convert the get_buf_trans() functions into an encoder vfunc.
Allows us to get rid of bunch of platform if-ladders.

v2: Handle adl-p

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210608073603.2408-10-ville.syrjala@linux.intel.com
 2021-06-23 15:30:45 +03:00
Ville Syrjälä
d6b10b1ae4 drm/i915: Introduce hsw_get_buf_trans() 
All the other platforms handle the output_type stuff in their
*_get_buf_trans() functions. Do the same for hsw/bdw/skl.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210608073603.2408-3-ville.syrjala@linux.intel.com
 2021-06-23 15:27:40 +03:00
Ville Syrjälä
266152ae61 drm/i915: s/intel/hsw/ for hsw/bdw/skl buf trans 
Give the hsw/bdw/skl buf trans stuff a better namespace.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210608073603.2408-2-ville.syrjala@linux.intel.com
 2021-06-23 15:27:26 +03:00
Ville Syrjälä
7785ae0b51 drm/i915: Don't include intel_de.h from intel_display_types.h 
Hoist the intel_de.h include from intel_display_types.h one
level up. I need this in order to untangle the include order
so that I can add tracepoints into intel_de.h.

This little cocci script did most of the work for me:
@find@
@@
(
intel_de_read(...)
|
intel_de_read_fw(...)
|
intel_de_write(...)
|
intel_de_write_fw(...)
)

@has_include@
@@
(
 #include "intel_de.h"
|
 #include "display/intel_de.h"
)

@depends on find && !has_include@
@@
+ #include "intel_de.h"
  #include "intel_display_types.h"

@depends on find && !has_include@
@@
+ #include "display/intel_de.h"
  #include "display/intel_display_types.h"

Cc: Cooper Chiou <cooper.chiou@intel.com>
Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210430143945.6776-1-ville.syrjala@linux.intel.com
 2021-05-05 21:04:42 +03:00
Matt Roper
d47d29a622 drm/i915/display: Convert gen5/gen6 tests to IS_IRONLAKE/IS_SANDYBRIDGE 
ILK is the only platform that we consider "gen5" and SNB is the only
platform we consider "gen6."  Add an IS_SANDYBRIDGE() macro and then
replace numeric platform tests for these two generations with direct
platform tests with the following Coccinelle semantic patch:

        @@ expression dev_priv; @@
        - IS_GEN(dev_priv, 5)
        + IS_IRONLAKE(dev_priv)

        @@ expression dev_priv; @@
        - IS_GEN(dev_priv, 6)
        + IS_SANDYBRIDGE(dev_priv)

        @@ expression dev_priv; @@
        - IS_GEN_RANGE(dev_priv, 5, 6)
        + IS_IRONLAKE(dev_priv) || IS_SANDYBRIDGE(dev_priv)

This will simplify our upcoming patches which eliminate INTEL_GEN()
usage in the display code.

v2:
 - Reverse ilk/snb order for IS_GEN_RANGE conversion.  (Ville)
 - Rebase + regenerate from semantic patch

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210320044245.3920043-2-matthew.d.roper@intel.com
 2021-03-23 16:36:42 -07:00
Ville Syrjälä
c133df6994 drm/i915: Introduce .{enable,disable}_clock() encoder vfuncs 
The current code dealing with the clock routing for DDI encoders
is a maintenance nightmare. Let's start cleaning it up by allowing
the encoder to provide vfuncs for enablign/disabling the clock.

We leave them initially unimplemented, falling back to the old
if-else approach.

v2: Convert the FDI enable sequence

Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com> #v2
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210205214634.19341-3-ville.syrjala@linux.intel.com
 2021-02-16 14:27:03 +02:00
Ville Syrjälä
ad9529824c drm/i915: Use intel_ddi_clk_select() for FDI 
We want to put all DDI clock routing code into one place.
Unify the FDI enable sequence to use the standard function
instead of hand rolling its own. The disable sequence already
uses the normal thing.

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210205214634.19341-2-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
 2021-02-16 14:24:49 +02:00
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