Commit Graph

134 Commits

Author SHA1 Message Date
Daniele Ceraolo Spurio
97a04e0d07 drm/i915: switch intel_wait_for_register to uncore
The intel_uncore structure is the owner of register access, so
subclass the function to it.

While at it, use a local uncore var and switch to the new read/write
functions where it makes sense.

Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190325214940.23632-9-daniele.ceraolospurio@intel.com
2019-03-26 20:20:24 +00:00
Lucas De Marchi
e547f2a2fc drm/i915/ehl: Add dpll mgr
Elkhart Lake has a different set of PLLs as compared to Ice Lake,
although programming them is very similar.

v2: Rebase on top of s/icl_pll_funcs/combo_pll_funcs

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190322175847.25707-3-rodrigo.vivi@intel.com
2019-03-22 12:51:08 -07:00
Ville Syrjälä
4631dc3b7c drm/i915: Remove the fragile array index -> link rate mapping
Rather than try to maintain some magic relationship between the link
rates and the index into the wrpll params array let's just store
the link rate in the array itself. Much less fragile.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-13-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-03-19 12:58:33 +02:00
Ville Syrjälä
ad40f8b314 drm/i915: Nuke icl_calc_dp_combo_pll_link()
We already have the code to calculate the WRPLL output clock from
the register values, but for some reason we're only using it for
HDMI and not DP. Throw out the inflexible DP DPLL table lookup and
just call the HDMI code which decodes the actual register values.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-12-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-03-19 12:57:55 +02:00
Ville Syrjälä
dc41e918d1 drm/i915: Remove redundant on stack dpll_hw_state from icl_get_dpll()
Just store the stuff directly into crtc_state->dpll_hw_state rather
than to a temp and copying the whole thing over.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-10-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-03-19 12:56:40 +02:00
Ville Syrjälä
3d1ed35182 drm/i915: Pass crtc_state down to icl dpll funcs
Simplify the calling convention of the dpll funcs by plumbing
the crtc state deeper.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-9-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-03-19 12:56:20 +02:00
Ville Syrjälä
2cf9cd820a drm/i915: Remove redundant on stack dpll_hw_state from cnl_get_dpll()
Just store the stuff directly into crtc_state->dpll_hw_state rather
than to a temp and copying the whole thing over.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-8-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-03-19 12:55:48 +02:00
Ville Syrjälä
e7251d71d4 drm/i915: Pass crtc_state down to cnl dpll funcs
Simplify the calling convention of the dpll funcs by plumbing
the crtc state deeper.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-7-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-03-19 12:55:31 +02:00
Ville Syrjälä
67de42e8d5 drm/i915: Remove redundant on stack dpll_hw_state from bxt_get_dpll()
Just store the stuff directly into crtc_state->dpll_hw_state rather
than to a temp and copying the whole thing over.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-6-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-03-19 12:55:12 +02:00
Ville Syrjälä
e40396d015 drm/i915: Pass crtc_state down to bxt dpll funcs
Simplify the calling convention of the dpll funcs by plumbing
the crtc state deeper.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-5-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-03-19 12:54:34 +02:00
Ville Syrjälä
15dc88a877 drm/i915: Remove redundant on stack dpll_hw_state from skl_get_dpll()
Just store the stuff directly into crtc_state->dpll_hw_state rather
than to a temp and copying the whole thing over.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-4-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-03-19 12:54:16 +02:00
Ville Syrjälä
98b6072c2a drm/i915: Pass crtc_state down to skl dpll funcs
Simplify the calling convention of the skl dpll funcs by plumbing
the crtc state deeper.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-3-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-03-19 12:53:58 +02:00
Ville Syrjälä
cc089e8abe drm/i915: Don't pass crtc to intel_get_shared_dpll() and .get_dpll()
Passing both crtc and its state is redundant. Pass just the state.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-2-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-03-19 12:53:08 +02:00
Ville Syrjälä
da3739070c drm/i915: Don't pass crtc to intel_find_shared_dpll()
Passing both crtc and its state is redundant. Pass just the state.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-1-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-03-19 12:52:18 +02:00
Lucas De Marchi
daeaaef5ef drm/i915/icl: remove intel_dpll_is_combophy()
This is only used in intel_display() and shouldn't be needed there.
We don't want to keep converting from pll id to pll type so just remove
the function.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190309035727.25389-6-lucas.demarchi@intel.com
2019-03-15 09:24:49 -07:00
Lucas De Marchi
2f3ee43cb9 drm/i915/icl: split combo and tbt pll funcs
Like was done for MG and combo, now finish the per-type split of the
vfunc by moving TBT out of the combo functions. Now we can completely
remove icl_pll_id_to_enable_reg() since each PLL type passes all the
information via arguments.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190309035727.25389-5-lucas.demarchi@intel.com
2019-03-15 09:24:48 -07:00
Lucas De Marchi
9be8644a14 drm/i915/icl: split combo and mg pll disable
Like was done in the enable case, split the implementation of the
disable for MG and Combo PLLs.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190309035727.25389-4-lucas.demarchi@intel.com
2019-03-15 09:24:48 -07:00
Lucas De Marchi
036f8d567b drm/i915/icl: split pll enable in three steps
Create separate functions to 1) enable power, 2) write pll config, and
3) enable pll. Doing this it makes it easier to share the functions for
the different PLL types by passing the right arguments.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190309035727.25389-3-lucas.demarchi@intel.com
2019-03-15 09:24:48 -07:00
Lucas De Marchi
d2ab5ebf46 drm/i915/icl: split combo and mg pll enable
Let's start using the vfuncs to differentiate MG and Combo PLLs. The end
goal is to decouple the type of the PLL from the IDs since the latter
are likely to change from one platform to another. This also makes the
code easier to read by not having lots of if/else chains on leaf
functions.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190309035727.25389-2-lucas.demarchi@intel.com
2019-03-15 09:24:48 -07:00
Rodrigo Vivi
2dd24a9c2c drm/i915/gen11+: First assume next platforms will inherit stuff
This exactly same approach was already used from gen9
to gen10 and from gen10 to gen11. Let's also use it
for gen11+.

Let's first assume that we inherit a similar platform
and than we apply the differences on top.

Different from the previous attempts this will be
done this time with coccinelle. We obviously need to
exclude some case that is really exclusive for gen11
like  PCH, Firmware, and few others. Luckly this was
easy to filter by selecting the files we are touching
with coccinelle as exposed below:

spatch -sp_file gen11\+.cocci --in-place i915_perf.c \
       intel_bios.c intel_cdclk.c intel_ddi.c \
       intel_device_info.c intel_display.c intel_dpll_mgr.c \
       intel_dsi_vbt.c intel_hdmi.c intel_mocs.c intel_color.c

@noticelake@ expression e; @@
-!IS_ICELAKE(e)
+INTEL_GEN(e) < 11
@notgen11@ expression e; @@
-!IS_GEN(e, 11)
+INTEL_GEN(e) < 11
@icelake@ expression e; @@
-IS_ICELAKE(e)
+INTEL_GEN(e) >= 11
@gen11@ expression e; @@
-IS_GEN(e, 11)
+INTEL_GEN(e) >= 11

No functional change.

v2: Remove intel_lrc.c per Tvrtko request since those were w/a
    for ICL hw issuea and media related configuration.

Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190308214300.25057-1-rodrigo.vivi@intel.com
2019-03-13 13:00:24 -07:00
Lucas De Marchi
510a75a5d2 drm/i915/icl: move MG pll hw_state readout
Let the MG plls have their own hooks since it shares very little with
other PLL types. It's also better so the platform info contains the info
if the PLL is for MG PHY rather than relying on the PLL ids.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190222232324.16405-1-lucas.demarchi@intel.com
2019-03-01 16:46:33 -08:00
Ville Syrjälä
8aae2b1cdf drm/i915: Pick the first unused PLL once again
commit 5b0bd14dcc ("drm/i915/icl: keep track of unused pll while
looping") inadvertently (I presume) changed the code to pick the
last unused dpll rather than the first unused one like we did before.

While there should most likely be no harm in changing the order
let's change back just to avoid a change in the behaviour. At
least it might reduce the confusion when staring at logs (took
me a while to figure out why DPLL1 being picked over DPLL0
when the latter was most definitely available).

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190130181359.20693-1-ville.syrjala@linux.intel.com
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
2019-01-31 09:46:02 +02:00
Lucas De Marchi
5b0bd14dcc drm/i915/icl: keep track of unused pll while looping
Instead of looping again on the range of plls, just keep track of one
unused one and use it later.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190125222444.19926-5-lucas.demarchi@intel.com
2019-01-29 14:35:07 -08:00
Lucas De Marchi
584fca111d drm/i915/icl: use tc_port in MG_PLL macros
Fix the TODO leftover in the code by changing the argument in MG_PLL
macros. The MG_PLL ids used to access the register values can be
converted from tc_port rather than port.

All these registers can use the TC port to calculate the right offsets
because they are only available for TC ports. The range (PORT_C onwards)
may not be stable and change from platform to platform. So by using the
TC id directly we avoid having to check for the platform in the "leaf
functions" and thus passing dev_priv around.

The helper functions were also renamed to use "tc" as prefix to make
them more generic.

v2: Improve commit message and fix checkpatch warning (from Paulo)

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190125222444.19926-2-lucas.demarchi@intel.com
2019-01-29 14:35:02 -08:00
Jani Nikula
990290d124 drm/i915/dpll_mgr: switch to kernel types
Mixed C99 and kernel types use is getting ugly. Prefer kernel types.

sed -i 's/\buint\(8\|16\|32\|64\)_t\b/u\1/g'

Minor checkpatch/whitespace fixes sprinkled on top of the changed lines.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b73aefabb757acf59896bd77dbb20c2e343c6e6d.1547629303.git.jani.nikula@intel.com
2019-01-17 09:02:06 +02:00
Chris Wilson
0e6e0be4c9 drm/i915: Markup paired operations on display power domains
The majority of runtime-pm operations are bounded and scoped within a
function; these are easy to verify that the wakeref are handled
correctly. We can employ the compiler to help us, and reduce the number
of wakerefs tracked when debugging, by passing around cookies provided
by the various rpm_get functions to their rpm_put counterpart. This
makes the pairing explicit, and given the required wakeref cookie the
compiler can verify that we pass an initialised value to the rpm_put
(quite handy for double checking error paths).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190114142129.24398-16-chris@chris-wilson.co.uk
2019-01-14 16:18:30 +00:00
Madhav Chauhan
70a057b7d4 drm/i915/icl: Calculate DPLL params for DSI
This patch calculates various DPLL dividers and
parameters for DSI encoder and adjust AFE clock
for DSI. For DSI, 8x clock is AFE clock.

v2: Extend haswell_crtc_compute_clock() for Gen11 DSI

v3: Rebase

v4: use port clock instead of bitrate.

v5: Reabse and remove divide by 5

v6 by Jani:
- Fix indent (Madhav)
- Fix dpll state calc for EDP and DP MST

Co-developed-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/525d41d0d893dcdc8874d2ce70afa226227ea3f4.1543500285.git.jani.nikula@intel.com
2018-12-03 15:53:42 +02:00
José Roberto de Souza
17a3b15ac6 drm/i915/icl: Fix crash when getting DPLL of a MST encoder in TC ports
enc_to_dig_port() returns NULL for encoders of type
INTEL_OUTPUT_DP_MST causing the crash bellow:

[ 2832.836101] BUG: unable to handle kernel paging request at 00000000000012b8
[ 2832.843062] PGD 0 P4D 0
[ 2832.845610] Oops: 0000 [#1] SMP
[ 2832.848764] CPU: 2 PID: 3577 Comm: kworker/2:0 Tainted: G        W         4.19.0-rc7+ #491
[ 2832.857106] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS ICLSFWR1.R00.2352.A01.1808281852 08/28/2018
[ 2832.870734] Workqueue: events output_poll_execute
[ 2832.875480] RIP: 0010:icl_get_dpll+0xa4/0x5d0 [i915]
[ 2832.880449] Code: e9 03 f3 48 ab 8b 6e 74 41 8b 8c 24 5c 03 00 00 85 ed 0f 88 3f 02 00 00 83 fd 01 0f 8e ad 01 00 00 83 fd 05 0f 8f 2d 02 00 00 <83> ba b8 12 00 00 02 48 8b 36 0f 84 39 02 00 00 44 8b be ec 89 00
[ 2832.899176] RSP: 0018:ffffc90001b57a78 EFLAGS: 00010293
[ 2832.904404] RAX: 0000000000000000 RBX: ffffc90001b57a94 RCX: 0000000000083d60
[ 2832.911536] RDX: 0000000000000000 RSI: ffff8804a8c0dc00 RDI: ffffc90001b57b18
[ 2832.918668] RBP: 0000000000000003 R08: ffff8804a8c1f990 R09: ffff8804a8c1f990
[ 2832.925797] R10: 0000000000000000 R11: ffff8804a8e99600 R12: ffff8804a7760000
[ 2832.932930] R13: ffff88049e94d000 R14: ffff88049e94d000 R15: 000000000000000e
[ 2832.940063] FS:  0000000000000000(0000) GS:ffff8804b0300000(0000) knlGS:0000000000000000
[ 2832.948147] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2832.953893] CR2: 00000000000012b8 CR3: 0000000004a1d004 CR4: 0000000000760ee0
[ 2832.961027] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2832.968155] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2832.975286] PKRU: 55555554
[ 2832.978003] Call Trace:
[ 2832.980496]  haswell_crtc_compute_clock+0x3d/0x68 [i915]
[ 2832.985841]  intel_crtc_atomic_check+0x61/0x340 [i915]
[ 2832.990987]  drm_atomic_helper_check_planes+0x130/0x1c0
[ 2832.996245]  intel_atomic_check+0x4d5/0x10f0 [i915]
[ 2833.001147]  drm_atomic_check_only+0x484/0x690
[ 2833.005629]  drm_atomic_commit+0x13/0x50
[ 2833.009564]  restore_fbdev_mode_atomic+0x1c9/0x1e0
[ 2833.014363]  drm_fb_helper_restore_fbdev_mode_unlocked+0x47/0x90
[ 2833.020368]  drm_fb_helper_set_par+0x29/0x50
[ 2833.024641]  drm_fb_helper_hotplug_event.part.33+0x92/0xb0
[ 2833.030130]  drm_kms_helper_hotplug_event+0x26/0x30
[ 2833.035013]  output_poll_execute+0x192/0x1b0
[ 2833.039293]  process_one_work+0x2a5/0x5f0
[ 2833.043315]  worker_thread+0x2d/0x3d0
[ 2833.046988]  ? rescuer_thread+0x340/0x340
[ 2833.051009]  kthread+0x112/0x130
[ 2833.054247]  ? kthread_create_worker_on_cpu+0x70/0x70
[ 2833.059307]  ret_from_fork+0x3a/0x50
[ 2833.062893] Modules linked in: i915 prime_numbers snd_hda_codec_realtek snd_hda_codec_generic asix snd_usb_audio snd_usbmidi_lib snd_seq_midi snd_seq_midi_event snd_rawmidi cdc_ether usbnet x86_pkg_temp_thermal xhci_pci xhci_hcd ucsi_acpi typec_ucsi typec efivarfs [last unloaded: prime_numbers]
[ 2833.088917] CR2: 00000000000012b8
[ 2833.092241] ---[ end trace 25f9fe3d47af2e75 ]---
[ 2833.096895] RIP: 0010:icl_get_dpll+0xa4/0x5d0 [i915]
[ 2833.101866] Code: e9 03 f3 48 ab 8b 6e 74 41 8b 8c 24 5c 03 00 00 85 ed 0f 88 3f 02 00 00 83 fd 01 0f 8e ad 01 00 00 83 fd 05 0f 8f 2d 02 00 00 <83> ba b8 12 00 00 02 48 8b 36 0f 84 39 02 00 00 44 8b be ec 89 00
[ 2833.120589] RSP: 0018:ffffc90001b57a78 EFLAGS: 00010293
[ 2833.125815] RAX: 0000000000000000 RBX: ffffc90001b57a94 RCX: 0000000000083d60
[ 2833.132946] RDX: 0000000000000000 RSI: ffff8804a8c0dc00 RDI: ffffc90001b57b18
[ 2833.140080] RBP: 0000000000000003 R08: ffff8804a8c1f990 R09: ffff8804a8c1f990
[ 2833.147213] R10: 0000000000000000 R11: ffff8804a8e99600 R12: ffff8804a7760000
[ 2833.154350] R13: ffff88049e94d000 R14: ffff88049e94d000 R15: 000000000000000e
[ 2833.161483] FS:  0000000000000000(0000) GS:ffff8804b0300000(0000) knlGS:0000000000000000
[ 2833.169565] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2833.175313] CR2: 00000000000012b8 CR3: 0000000004a1d004 CR4: 0000000000760ee0
[ 2833.182449] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2833.189578] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2833.196712] PKRU: 55555554

MST ports are allocated from struct intel_dp_mst_encoder not from
struct intel_digital_port as regular ports, so to get the TC type it
is necessary check the primary digital port of the mst encoder.

Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181030215750.28213-5-jose.souza@intel.com
2018-10-31 15:25:05 -07:00
Vandita Kulkarni
a54270d3a9 drm/i915/icl: Refactor icl pll functions
This patch adds helper function for identifying
whether the given PLL is combo PHY PLL or not.
This helper function is used inside various ICL
functions to make them scalable.

Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181003072203.12848-6-mahesh1.kumar@intel.com
2018-10-16 09:00:58 -07:00
Vandita Kulkarni
8ea59e6739 drm/i915/icl: Use helper functions to classify the ports
Use intel_port_is_tc and intel_port_is_combophy
functions to replace the individual port checks
from port C to F and port A to B respectively.

Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181003072203.12848-5-mahesh1.kumar@intel.com
2018-10-16 09:00:57 -07:00
Vandita Kulkarni
cb6caf7e39 drm/i915/icl: Refactor get_ddi_pll using helper func
Use the existing port-to-id helper function, to refactor
hence making it scalable.

Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Madhav Chauhan <madhav.chauhan@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181003072203.12848-4-mahesh1.kumar@intel.com
2018-10-16 09:00:56 -07:00
Chris Wilson
f53a70bd93 drm/i915: Fixup kernel doc for param name changes
s/crtc/crtc_state/ for the kernel doc as well as the params.

Fixes: 65c307fd08 ("drm/i915: Make shared dpll functions take crtc_state, v3.")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181008104808.17457-1-chris@chris-wilson.co.uk
2018-10-08 12:47:51 +01:00
Maarten Lankhorst
65c307fd08 drm/i915: Make shared dpll functions take crtc_state, v3.
Do not rely on crtc->config any more. Remove the assertion from
ibx_pch_dpll_disable, because we the dpll state tracking should
already handle this case correctly.

Changes since v1:
- Fixup accidental early return in intel_prepare_shared_dpll, oops!
Changes since v2:
- Don't use the freed crtc_state in intel_crtc_disable_noatomic()

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181005095244.1324-1-maarten.lankhorst@linux.intel.com
2018-10-05 15:17:38 +02:00
Ville Syrjälä
9f9d594d95 drm/i915: Fix ICL+ HDMI clock readout
Copy the 38.4 vs. 19.2 MHz ref clock exception from the dpll
mgr into the clock readout function as well.

v2: Refactor the code into a common function
    s/is_icl/gen11+/ (Rodrigo)

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107722
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180903142841.14627-1-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2018-09-04 16:15:49 +03:00
Manasi Navare
bcaad53297 drm/i915/icl: Implement HSDIV_RATIO of MG_CLKTOP2_HSCLKCTL_PORT reg as separate divider value defines
The register value of Divider Ratio for high speed divider
(hsdiv_ratio) in MG_CLKTOP2_HSCLKCTL_PORT register is not same as the
actual numerical value of the divider. So this patch implements
separate divider value defines for that field.
icl_mg_pll_find_divisors() can use these defines instead of magic
register values.

The new defines are going to be used in the next patch.

v2 (from Paulo):
 * Rebase.
 * Make it look a little more like the rest of our code.
v3 (from Paulo):
 * Make hsdiv u32 now that it's a bit field (José).

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Suggested-by: James Ausmus <james.ausmus@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180817215209.29133-1-paulo.r.zanoni@intel.com
2018-08-20 14:37:00 -07:00
Anusha Srivatsa
2b7edeb008 drm/i915/icl: Add TBT checks for PLL calculations
Add missing TBT check in the Pll calculation.

v2: do not use a auxiliary function to check if status is
TBT or not. (Paulo)

v3: Code style changes. (Paulo)

Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1532648115-29795-1-git-send-email-anusha.srivatsa@intel.com
2018-07-27 16:18:31 -07:00
Rodrigo Vivi
c74a7469f9 Merge drm/drm-next into drm-intel-next-queued
We need a backmerge to get DP_DPCD_REV_14 before we push other
i915 changes to dinq that could break compilation.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2018-07-23 09:13:12 -07:00
Paulo Zanoni
f7a738fca0 drm/i915/icl: compute the TBT PLL registers
Use the hardcoded tables provided by our spec.

v2:
  - SSC stays disabled.
  - Use intel_port_is_tc().

Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180711215909.23945-2-paulo.r.zanoni@intel.com
2018-07-19 15:29:12 -07:00
Dave Airlie
539c475dad Higlights here goes to many PSR fixes and improvements; to the Ice lake work with
power well support and begin of DSI support addition. Also there were many improvements
 on execlists and interrupts for minimal latency on command submission; and many fixes
 on selftests, mostly caught by our CI.
 
 General driver:
 - Clean-up on aux irq (Lucas)
 - Mark expected switch fall-through for dealing with static analysis tools (Gustavo)
 
 Gem:
 - Different fixes for GuC (Chris, Anusha, Michal)
 - Avoid self-relocation BIAS if no relocation (Chris)
 - Improve debugging cases in on EINVAL return and vma allocation (Chris)
 - Fixes and improvements on context destroying and freeing (Chris)
 - Wait for engines to idle before retiring (Chris)
 - Many improvements on execlists and interrupts for minimal latency on command submission (Chris)
 - Many fixes in selftests, specially on cases highlighted on CI (Chris)
 - Other fixes and improvements around GGTT (Chris)
 - Prevent background reaping of active objects (Chris)
 
 Display:
 - Parallel modeset cleanup to fix driver reset (Chris)
 - Get AUX power domain for DP main link (Imre)
 - Clean-up on PSR unused func pointers (Rodrigo)
 - Many PSR/PSR2 fixes and improvements (DK, Jose, Tarun)
 - Add a PSR1 live status (Vathsala)
 - Replace old drm_*_{un/reference} with put,get functions (Thomas)
 - FBC fixes (Maarten)
 - Abstract and document the usage of picking macros (Jani)
 - Remove unnecessary check for unsupported modifiers for NV12. (DK)
 - Interrupt fixes for display (Ville)
 - Clean up on sdvo code (Ville)
 - Clean up on current DSI code (Jani)
 - Remove support for legacy debugfs crc interface (Maarten)
 - Simplify get_encoder_power_domains (Imre)
 
 Icelake:
 - MG PLL fixes (Imre)
 - Add hw workaround for alpha blending (Vandita)
 - Add power well support (Imre)
 - Add Interrupt Support (Anusha)
 - Start to add support for DSI on Ice Lake (Madhav)
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Merge tag 'drm-intel-next-2018-07-09' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Higlights here goes to many PSR fixes and improvements; to the Ice lake work with
power well support and begin of DSI support addition. Also there were many improvements
on execlists and interrupts for minimal latency on command submission; and many fixes
on selftests, mostly caught by our CI.

General driver:
- Clean-up on aux irq (Lucas)
- Mark expected switch fall-through for dealing with static analysis tools (Gustavo)

Gem:
- Different fixes for GuC (Chris, Anusha, Michal)
- Avoid self-relocation BIAS if no relocation (Chris)
- Improve debugging cases in on EINVAL return and vma allocation (Chris)
- Fixes and improvements on context destroying and freeing (Chris)
- Wait for engines to idle before retiring (Chris)
- Many improvements on execlists and interrupts for minimal latency on command submission (Chris)
- Many fixes in selftests, specially on cases highlighted on CI (Chris)
- Other fixes and improvements around GGTT (Chris)
- Prevent background reaping of active objects (Chris)

Display:
- Parallel modeset cleanup to fix driver reset (Chris)
- Get AUX power domain for DP main link (Imre)
- Clean-up on PSR unused func pointers (Rodrigo)
- Many PSR/PSR2 fixes and improvements (DK, Jose, Tarun)
- Add a PSR1 live status (Vathsala)
- Replace old drm_*_{un/reference} with put,get functions (Thomas)
- FBC fixes (Maarten)
- Abstract and document the usage of picking macros (Jani)
- Remove unnecessary check for unsupported modifiers for NV12. (DK)
- Interrupt fixes for display (Ville)
- Clean up on sdvo code (Ville)
- Clean up on current DSI code (Jani)
- Remove support for legacy debugfs crc interface (Maarten)
- Simplify get_encoder_power_domains (Imre)

Icelake:
- MG PLL fixes (Imre)
- Add hw workaround for alpha blending (Vandita)
- Add power well support (Imre)
- Add Interrupt Support (Anusha)
- Start to add support for DSI on Ice Lake (Madhav)

Signed-off-by: Dave Airlie <airlied@redhat.com>

# gpg: Signature made Tue 10 Jul 2018 08:41:37 AM AEST
# gpg:                using RSA key FA625F640EEB13CA
# gpg: Good signature from "Rodrigo Vivi <rodrigo.vivi@intel.com>"
# gpg:                 aka "Rodrigo Vivi <rodrigo.vivi@gmail.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6D20 7068 EEDD 6509 1C2C  E2A3 FA62 5F64 0EEB 13CA
Link: https://patchwork.freedesktop.org/patch/msgid/20180710234349.GA16562@intel.com
2018-07-19 05:46:30 +10:00
Gustavo A. R. Silva
f0d759f038 drm/i915: Mark expected switch fall-throughs
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Addresses-Coverity-ID: 141432
Addresses-Coverity-ID: 141433
Addresses-Coverity-ID: 141434
Addresses-Coverity-ID: 141435
Addresses-Coverity-ID: 141436
Addresses-Coverity-ID: 1357360
Addresses-Coverity-ID: 1357403
Addresses-Coverity-ID: 1357433
Addresses-Coverity-ID: 1392622
Addresses-Coverity-ID: 1415273
Addresses-Coverity-ID: 1435752
Addresses-Coverity-ID: 1441500
Addresses-Coverity-ID: 1454596
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180628223541.GA17665@embeddedor.com
2018-07-05 16:40:51 +03:00
Ville Syrjälä
40560e26dc drm/i915: Use drm_plane_mask() & co.
Use drm_{plane,crtc,encoder,connector}_mask() where appropriate.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180626194716.12522-5-ville.syrjala@linux.intel.com
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
2018-07-02 18:45:55 +03:00
Imre Deak
bd99ce085f drm/i915/icl: Do read-modify-write as needed during MG PLL programming
Some MG PLL registers have fields that need to be preserved at their HW
default or BIOS programmed values. So make sure we preserve them.

v2:
- Add comment to icl_mg_pll_write() explaining the need for register
  masks. (Vandita)
- Fix patchwork checkpatch warning.

v3:
- Rebase on drm-tip.

Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: James Ausmus <james.ausmus@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: James Ausmus <james.ausmus@intel.com> (v1)
Reviewed-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180619164115.7835-1-imre.deak@intel.com
2018-06-21 19:02:03 +03:00
Imre Deak
9fc59bae0f drm/i915/icl: Fix MG PLL setup when refclk is 38.4MHz
Atm we're zeroing out fields in MG_PLL_BIAS and MG_PLL_TDC_COLDST_BIAS
if refclk is 38.4MHz, whereas the spec tells us to preserve them.
Although the calculated values mostly match the register defaults even
for the 38.4MHz case, there are some differences wrt. what BIOS
programs (I noticed at least differences in the MG_PLL_BIAS/IREFTRIM and
MG_PLL_BIAS/BIASCAL_EN fields). In the lack of further info on how to
program these fields, just do what the spec says and preserve the BIOS
state.

v2:
- Preserve the BIOS programmed reg fields instead of programming them.

Cc: Vandita Kulkarni <vandita.kulkarni@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: James Ausmus <james.ausmus@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: James Ausmus <james.ausmus@intel.com> (v1)
Reviewed-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180615143911.31082-1-imre.deak@intel.com
2018-06-21 19:01:40 +03:00
Paulo Zanoni
1fa11ee2d9 drm/i915/icl: start adding the TBT pll
This commit just adds the register addresses and the basic skeleton of
the code. The next commits will expand on more specific functions.

Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180522002558.29262-15-paulo.r.zanoni@intel.com
2018-06-14 14:54:39 -07:00
Manasi Navare
51c83cfaf9 drm/i915/icl: Get DDI clock for ICL based on PLLs.
PLLs are the source clocks for the DDIs so in order
to determine the ddi clock we need to check the PLL
configuration.

This gets a little tricky for ICL since there is
no register bit that maps directly to the link clock.
So this patch creates a separate function in intel_dpll_mgr.c
to obtain the write array PLL Params and compares the set
pll_params with the table to get the corresponding link
clock.

v2:
  - Fix the encoder type check (DK).
  - Improve our error checking, return a sane value (Mika, Paulo).
  - Fix table entries (Paulo).

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
[Paulo: implement v2]
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180523224444.19017-1-paulo.r.zanoni@intel.com
2018-06-01 16:14:38 -07:00
Paulo Zanoni
145ef0d17d drm/i915/icl: compute the MG PLL registers
This implements the "MG PLL Programming" sequence from our spec. The
biggest problem was that the spec assumes real numbers, so we had to
adjust some numbers and calculations due to the fact that the Kernel
prefers to deal with integers.

I recommend grabbing some coffee, a pen and paper before reviewing
this patch.

v2:
 - Correctly identify DP encoders after upstream change.
 - Small checkpatch issues.
 - Rebase.
v3:
 - Try to impove the comment on the tdc_targetcnt calculation based on
   Manasi's feedback (Manasi).
 - Rebase.

Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180328215803.13835-7-paulo.r.zanoni@intel.com
2018-05-07 16:49:57 -07:00
Paulo Zanoni
bb82139b4b drm/i915/icl: compute the combo PHY (DPLL) DP registers
Just use the hardcoded tables provided by our spec.

v2: Rebase.
v3: Clarify that 38.4 uses the 19.2 table (James).

Reviewed-by: James Ausmus <james.ausmus@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180328215803.13835-6-paulo.r.zanoni@intel.com
2018-05-07 16:44:54 -07:00
Paulo Zanoni
febafb9318 drm/i915/icl: compute the combo PHY (DPLL) HDMI registers
HDMI mode DPLL programming on ICL is the same as CNL, so just reuse
the CNL code.

v2:
 - Properly detect HDMI crtcs.
 - Rebase after changes to the cnl function (clock * 1000).
v3:
 - Add a comment to clarify why we treat 38.4 as 19.2 (James).

Reviewed-by: James Ausmus <james.ausmus@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180328215803.13835-5-paulo.r.zanoni@intel.com
2018-05-07 16:44:08 -07:00
Paulo Zanoni
c27e917e2b drm/i915/icl: add basic support for the ICL clocks
This commit introduces the definitions for the ICL clocks and adds the
basic functions to the shared DPLL framework. It adds code for the
Enable and Disable sequences for some PLLs, but it does not have the
code to compute the actual PLL values, which are marked as TODO
comments and should be introduced as separate commits.

Special thanks to James Ausmus for investigating and fixing a bug with
the placement of icl_unmap_plls_to_ports() function.

v2:
 - Rebase around dpll_lock changes.
v3:
 - The spec now says what the timeouts should be.
 - Touch DPCLKA_CFGCR0_ICL at the appropriate time so we don't freeze
   the machine.
 - Checkpatch found a white space problem.
 - Small adjustments before upstreaming.
v4:
 - Move the ICL checks out of the *map_plls_to_ports() functions
  (James)
 - Add extra encoder check (James)
 - Call icl_unmap_plls_to_ports() later (James)
v5:
 - Rebase after the pll struct changes.
v6:
 - Properly make the unmap function based on encoders_post_disable()
   with regarding to checks and iterators.
 - Address checkpatch comment on "min = max = x()".

Cc: James Ausmus <james.ausmus@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: James Ausmus <james.ausmus@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180427231436.9353-1-paulo.r.zanoni@intel.com
2018-05-07 16:42:47 -07:00
Lucas De Marchi
7fd9e82993 drm/i915: reorder dpll_info members
Remove 4-bytes hole in this struct an reorder tables accordingly. This
also changes the last element of the tables to be more future-proof.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180320220637.21480-8-lucas.demarchi@intel.com
2018-03-27 10:36:00 -07:00