- 04 Jun, 2019 6 commits
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Claudiu Beznea authored
SAM9x60 LCD Controller has no option to select clock source as previous controllers have. To be able to use the same driver even for this LCD controller add a config option to know if controller supports this. Signed-off-by:
Claudiu Beznea <claudiu.beznea@microchip.com> Reviewed-by:
Sam Ravnborg <sam@ravnborg.org> Signed-off-by:
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Chris Wilson authored
We need to mark the output polling as disabled to prevent concurrent irqs from queuing new work as shutdown the probe -- causing that work to execute after we have freed the structs: <4> [341.846490] DEBUG_LOCKS_WARN_ON(mutex_is_locked(lock)) <4> [341.846497] WARNING: CPU: 3 PID: 3300 at kernel/locking/mutex-debug.c:103 mutex_destroy+0x49/0x50 <4> [341.846508] Modules linked in: i915(-) vgem thunderbolt snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm mcs7830 btusb usbnet btrtl mii btbcm btintel bluetooth ecdh_generic ecc mei_me mei prime_numbers i2c_hid pinctrl_sunrisepoint pinctrl_intel [last unloaded: i915] <4> [341.846546] CPU: 3 PID: 3300 Comm: i915_module_loa Tainted: G U 5.2.0-rc2-CI-CI_DRM_6175+ #1 <4> [341.846553] Hardware name: Dell Inc. XPS 13 9360/0823VW, BIOS 2.9.0 07/09/2018 <4> [341.846560] RIP: 0010:mutex_destroy+0x49/0x50 <4> [341.846565] Code: 00 00 5b c3 e8 a8 9f 3b 00 85 c0 74 ed 8b 05 3e 55 23 01 85 c0 75 e3 48 c7 c6 00 d0 08 82 48 c7 c7 a8 aa 07 82 e8 e7 08 fa ff <0f> 0b eb cc 0f 1f 00 48 b8 11 11 11 11 11 11 11 11 48 89 76 20 48 <4> [341.846578] RSP: 0018:ffffc900006cfdb0 EFLAGS: 00010286 <4> [341.846583] RAX: 0000000000000000 RBX: ffff88826759a168 RCX: 0000000000000000 <4> [341.846589] RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffffffff8112844c <4> [341.846595] RBP: ffff8882708fa548 R08: 0000000000000000 R09: 0000000000039600 <4> [341.846601] R10: 0000000000000000 R11: 0000000000000ce4 R12: ffffffffa07de1e0 <4> [341.846607] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa07de2d0 <4> [341.846613] FS: 00007f62b5ae0e40(0000) GS:ffff888276380000(0000) knlGS:0000000000000000 <4> [341.846620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4> [341.846626] CR2: 000055a4e064f4a0 CR3: 0000000266b16006 CR4: 00000000003606e0 <4> [341.846632] Call Trace: <4> [341.846639] drm_fb_helper_fini.part.17+0xb3/0x100 <4> [341.846682] intel_fbdev_fini+0x20/0x80 [i915] <4> [341.846722] intel_modeset_cleanup+0x9a/0x140 [i915] <4> [341.846750] i915_driver_unload+0xa3/0x100 [i915] <4> [341.846778] i915_pci_remove+0x19/0x30 [i915] <4> [341.846784] pci_device_remove+0x36/0xb0 <4> [341.846790] device_release_driver_internal+0xd3/0x1b0 <4> [341.846795] driver_detach+0x3f/0x80 <4> [341.846800] bus_remove_driver+0x53/0xd0 <4> [341.846805] pci_unregister_driver+0x25/0xa0 <4> [341.846843] i915_exit+0x16/0x1c [i915] <4> [341.846849] __se_sys_delete_module+0x162/0x210 <4> [341.846855] ? trace_hardirqs_off_thunk+0x1a/0x1c <4> [341.846859] ? do_syscall_64+0xd/0x1c0 <4> [341.846864] do_syscall_64+0x55/0x1c0 <4> [341.846869] entry_SYSCALL_64_after_hwframe+0x49/0xbe <4> [341.846875] RIP: 0033:0x7f62b51871b7 <4> [341.846881] Code: 73 01 c3 48 8b 0d d1 8c 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 8c 2c 00 f7 d8 64 89 01 48 <4> [341.846897] RSP: 002b:00007ffe7a227138 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0 <4> [341.846904] RAX: ffffffffffffffda RBX: 00007ffe7a2272b0 RCX: 00007f62b51871b7 <4> [341.846910] RDX: 0000000000000001 RSI: 0000000000000800 RDI: 0000557cd6b55948 <4> [341.846916] RBP: 0000557cd6b558e0 R08: 0000557cd6b5594c R09: 00007ffe7a227160 <4> [341.846922] R10: 00007ffe7a226134 R11: 0000000000000206 R12: 0000000000000000 <4> [341.846927] R13: 00007ffe7a227820 R14: 0000000000000000 R15: 0000000000000000 <4> [341.846936] irq event stamp: 3547847 <4> [341.846940] hardirqs last enabled at (3547847): [<ffffffff819aad2c>] _raw_spin_unlock_irqrestore+0x4c/0x60 <4> [341.846949] hardirqs last disabled at (3547846): [<ffffffff819aab9d>] _raw_spin_lock_irqsave+0xd/0x50 <4> [341.846957] softirqs last enabled at (3547376): [<ffffffff81c0033a>] __do_softirq+0x33a/0x4b9 <4> [341.846966] softirqs last disabled at (3547367): [<ffffffff810b6379>] irq_exit+0xa9/0xc0 <4> [341.846973] WARNING: CPU: 3 PID: 3300 at kernel/locking/mutex-debug.c:103 mutex_destroy+0x49/0x50 <4> [341.846980] ---[ end trace ba94ca8952ba970e ]--- <7> [341.866547] [drm:intel_dp_detect [i915]] MST support? port A: no, sink: no, modparam: yes <7> [341.890480] [drm:drm_add_display_info] non_desktop set to 0 <7> [341.890530] [drm:drm_add_edid_modes] ELD: no CEA Extension found <7> [341.890537] [drm:drm_add_display_info] non_desktop set to 0 <7> [341.890578] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:86:eDP-1] probed modes : <7> [341.890589] [drm:drm_mode_debug_printmodeline] Modeline "3200x1800": 60 373250 3200 3248 3280 3360 1800 1803 1808 1852 0x48 0xa <7> [341.890602] [drm:drm_mode_debug_printmodeline] Modeline "3200x1800": 48 298600 3200 3248 3280 3360 1800 1803 1808 1852 0x40 0xa <4> [341.890628] general protection fault: 0000 [#1] PREEMPT SMP PTI <4> [341.890636] CPU: 0 PID: 508 Comm: kworker/0:4 Tainted: G U W 5.2.0-rc2-CI-CI_DRM_6175+ #1 <4> [341.890646] Hardware name: Dell Inc. XPS 13 9360/0823VW, BIOS 2.9.0 07/09/2018 <4> [341.890655] Workqueue: events output_poll_execute <4> [341.890663] RIP: 0010:drm_setup_crtcs+0x13e/0xbe0 <4> [341.890669] Code: 00 41 8b 44 24 58 85 c0 0f 8e f9 01 00 00 44 8b 6c 24 20 44 8b 74 24 28 31 db 31 ed 49 8b 44 24 60 48 63 d5 44 89 ee 83 c5 01 <48> 8b 04 d0 44 89 f2 48 8b 38 48 8b 87 88 01 00 00 48 8b 40 20 e8 <4> [341.890686] RSP: 0018:ffffc9000033fd40 EFLAGS: 00010202 <4> [341.890692] RAX: 6b6b6b6b6b6b6b6b RBX: 0000000000000002 RCX: 0000000000000000 <4> [341.890700] RDX: 0000000000000001 RSI: 0000000000000c80 RDI: 00000000ffffffff <4> [341.890707] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 <4> [341.890715] R10: 0000000000000c80 R11: 0000000000000000 R12: ffff888267599fe8 <4> [341.890722] R13: 0000000000000c80 R14: 0000000000000708 R15: 0000000000000007 <4> [341.890730] FS: 0000000000000000(0000) GS:ffff888276200000(0000) knlGS:0000000000000000 <4> [341.890739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4> [341.890745] CR2: 000055a4e064f4a0 CR3: 000000026d234003 CR4: 00000000003606f0 <4> [341.890752] Call Trace: <4> [341.890760] drm_fb_helper_hotplug_event.part.24+0x89/0xb0 <4> [341.890768] drm_kms_helper_hotplug_event+0x21/0x30 <4> [341.890774] output_poll_execute+0x9d/0x1a0 <4> [341.890782] process_one_work+0x245/0x610 <4> [341.890790] worker_thread+0x37/0x380 <4> [341.890796] ? process_one_work+0x610/0x610 <4> [341.890802] kthread+0x119/0x130 <4> [341.890808] ? kthread_park+0x80/0x80 <4> [341.890815] ret_from_fork+0x3a/0x50 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109964Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by:
Imre Deak <imre.deak@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190603135910.15979-2-chris@chris-wilson.co.uk
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Uma Shankar authored
Dropped static functions from kernel documentation. v2: Dropped the comments altogether for static functions, as the definitions seems self explanatory. Suggested-by:
Daniel Vetter <daniel@ffwll.ch> Signed-off-by:
Uma Shankar <uma.shankar@intel.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/1559567330-25182-4-git-send-email-uma.shankar@intel.com
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Uma Shankar authored
Fixes the following warnings: ./include/drm/drm_mode_config.h:841: warning: Incorrect use of kernel-doc format: * hdr_output_metadata_property: Connector property containing hdr ./include/drm/drm_mode_config.h:918: warning: Function parameter or member 'hdr_output_metadata_property' not described in 'drm_mode_config' ./include/drm/drm_connector.h:1251: warning: Function parameter or member 'hdr_output_metadata' not described in 'drm_connector' ./include/drm/drm_connector.h:1251: warning: Function parameter or member 'hdr_sink_metadata' not described in 'drm_connector' Also adds some property documentation for HDR Metadata Connector Property in connector property create function. v2: Fixed Sean Paul's review comments. v3: Fixed Daniel Vetter's review comments, added the UAPI structure definition section in kernel docs. v4: Fixed Daniel Vetter's review comments. v5: Added structure member references as per Daniel's suggestion. Cc: Shashank Sharma <shashank.sharma@intel.com> Cc: Ville Syrjä <ville.syrjala@linux.intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <maxime.ripard@bootlin.com> Cc: Sean Paul <sean@poorly.run> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: "Ville Syrjä" <ville.syrjala@linux.intel.com> Cc: Hans Verkuil <hansverk@cisco.com> Cc: dri-devel@lists.freedesktop.org Cc: linux-fbdev@vger.kernel.org Reviewed-by: Sean Paul <sean@poorly.run> (v1) Signed-off-by:
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Uma Shankar authored
Add a new section for UAPI structure and helper definitions in kernel docbook. Suggested-by:
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Noralf Trønnes authored
struct drm_fb_helper_crtc is now just a wrapper around drm_mode_set so use that directly instead and attach it as a modeset array onto drm_client_dev. drm_fb_helper will use this array to store its modesets which means it will always initialize a drm_client, but it will not register the client (callbacks) unless it's the generic fbdev emulation. Code will later be moved to drm_client, so add code there in a new file drm_client_modeset.c with MIT license to match drm_fb_helper.c. The modeset connector array size is hardcoded for the cloned case to avoid having to pass in a value from the driver. A value of 8 is chosen to err on the safe side. This means that the max connector argument for drm_fb_helper_init() and drm_fb_helper_fbdev_setup() isn't used anymore, a todo entry for this is added. In pan_display_atomic() restore_fbdev_mode_force() is used instead of restore_fbdev_mode_atomic() because that one will later become internal to drm_client_modeset. Locking order: 1. drm_fb_helper->lock 2. drm_master_internal_acquire 3. drm_client_dev->modeset_mutex v6: Improve commit message (Sam Ravnborg) v3: - Use full drm_client_init/release for the modesets (Daniel Vetter) - drm_client_for_each_modeset: use lockdep_assert_held (Daniel Vetter) - Hook up to Documentation/gpu/drm-client.rst (Daniel Vetter) v2: - Add modesets array to drm_client (Daniel Vetter) - Use a new file for the modeset code (Daniel Vetter) - File has to be MIT licensed (Emmanuel Vadot) - Add copyrights from drm_fb_helper.c Signed-off-by:
Noralf Trønnes <noralf@tronnes.org> Reviewed-by:
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- 03 Jun, 2019 6 commits
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Daniel Vetter authored
drm_atomic_set_fence_for_plane() contains the main discussion from a driver pov, link to that from more places. Cc: Pekka Paalanen <pekka.paalanen@collabora.com> Reviewed-by:
Pekka Paalanen <pekka.paalanen@collabora.com> Signed-off-by:
Daniel Vetter <daniel.vetter@intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <maxime.ripard@bootlin.com> Cc: Sean Paul <sean@poorly.run> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20190603142848.26487-1-daniel.vetter@ffwll.ch
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Nicholas Kazlauskas authored
[Why] We can issue HDR static metadata as part of stream updates for non-modesets as long as we force a modeset when entering or exiting HDR. This avoids unnecessary blanking for simple metadata updates. [How] When changing scaling and abm for the stream also check if HDR has changed and send the stream update. This will only happen in non-modeset cases. Cc: Harry Wentland <harry.wentland@amd.com> Signed-off-by:
Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by:
Harry Wentland <harry.wentland@amd.com> Reviewed-by:
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Nicholas Kazlauskas authored
[Why] For userspace to send static HDR metadata to the display we need to attach the property on the connector and send it to DC. [How] The property is attached to HDMI and DP connectors. Since the metadata isn't actually available when creating the connector this isn't a property we can dynamically support based on the extension block being available or not. When the HDR metadata is changed a modeset will be forced for now. We need to switch from 8bpc to 10bpc in most cases anyway, and we want to fully exit HDR mode when userspace gives us a NULL metadata, so this isn't completely unnecessary. The requirement can later be reduced to just entering and exiting HDR or switching max bpc. Cc: Harry Wentland <harry.wentland@amd.com> Signed-off-by:
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Uma Shankar authored
Fixed doc warnings in drm uapi header. All the UAPI structures are now documented in kernel doc. Signed-off-by:
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Uma Shankar authored
Drop a redundant and unused variable "hdr_output_metadata" from drm_connector. Suggested-by:
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Daniel Vetter authored
With Eric's patch commit ba6e798e Author: Eric Anholt <eric@anholt.net> Date: Wed Apr 24 11:56:17 2019 -0700 drm/doc: Document expectation that userspace review looks at kernel uAPI. there's been concerns raised that we expect userspace people to do in-depth kernel patch review. That's not reasonable, same way kernel people can't review all the userspace we have. Try to clarify expectations a bit more. Cc: Eric Anholt <eric@anholt.net> Cc: Pekka Paalanen <ppaalanen@gmail.com> Cc: contact@emersion.fr Cc: wayland-devel@lists.freedesktop.org Acked-by:
Eric Anholt <eric@anholt.net> Reviewed-by:
Simon Ser <contact@emersion.fr> Reviewed-by:
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- 31 May, 2019 28 commits
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Jyri Sarha authored
Implement HDMI audio support by using ASoC HDMI codec. The commit implements the necessary callbacks and configuration for the HDMI codec and registers a virtual platform device for the codec to attach. Signed-off-by:
Jyri Sarha <jsarha@ti.com> Reviewed-by:
Andrzej Hajda <a.hajda@samsung.com> Signed-off-by:
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Jyri Sarha authored
The sii902x chip family supports also HDMI audio. Add binding for describing the necessary i2s and mclk wiring for it. Signed-off-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Jyri Sarha authored
Remove trailing white space from sii902x display bridge binding. Signed-off-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by:
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Jyri Sarha authored
The pixel clock unit in the first two registers (0x00 and 0x01) of sii9022 is 10kHz, not 1kHz as in struct drm_display_mode. Division by 10 fixes the issue. Signed-off-by:
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Jyri Sarha authored
Set output mode to HDMI or DVI according to EDID HDMI signature. Signed-off-by:
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Tomi Valkeinen authored
The driver always sets InputBusFmt:EDGE to 0 (falling edge). Add drm_bridge_timings's input_bus_flags to reflect that the bridge samples on falling edges. Signed-off-by:
Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by:
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Tomi Valkeinen authored
Add DT property for defining the pin used for HPD. Signed-off-by:
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Tomi Valkeinen authored
Add support for interrupt and hotplug handling. Both are optional. Signed-off-by:
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Tomi Valkeinen authored
Add GPIO and interrupt related registers for HPD work. Mark INTSTS_G and GPIOI as volatile. Signed-off-by:
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Tomi Valkeinen authored
We need to know the link bandwidth to filter out modes we cannot support, so we need to have read the display props before doing the filtering. To ensure we have up to date display props, call tc_get_display_props() in the beginning of tc_connector_get_modes(). Signed-off-by:
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Tomi Valkeinen authored
In tc_bridge_mode_set callback, we store the pointer to the given drm_display_mode, and use the mode later. Storing a pointer in such a way looks very suspicious to me, and I have observed odd issues where the timings were apparently (at least mostly) zero. Do a copy of the drm_display_mode instead to ensure we don't refer to freed/modified data. Signed-off-by:
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Tomi Valkeinen authored
drm_connector_helper_funcs.best_encoder is only needed when the connector can have more than one encoder, and that is never the case here. So remove tc_connector_best_encoder. Signed-off-by:
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Tomi Valkeinen authored
We have tc_connector_mode_valid() to filter out videomdoes that the tc358767 cannot support. As it is a bridge limitation, change the code to use drm_bridge_funcs's mode_valid instead. Signed-off-by:
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Tomi Valkeinen authored
tc_main_link_enable() checks if videomode has been set, and fails if there's no videomode. As tc_main_link_enable() no longer depends on the videomode, we can drop the check. Also, while tc_stream_enable() does depend on the videomode, we can expect that a mode has been set before drm_bridge_funcs.enable is called, so we don't need the check there either. Signed-off-by:
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Tomi Valkeinen authored
The current link training code does unnecessary retry-loops, and does extra writes to the registers. It is easier to follow the flow and ensure it's similar to Toshiba's documentation if we deal with LT inside tc_main_link_enable() function. This patch adds tc_wait_link_training() which handles waiting for the LT phase to finish, and does the necessary LT register setups in tc_main_link_enable, without extra loops. Signed-off-by:
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Tomi Valkeinen authored
The driver has a loop after ending link training, where it reads the DPCD link status and prints an error if that status is not ok. The loop is unnecessary, as far as I can understand from DP specs, so let's remove it. We can also print the more specific errors to help debugging. Signed-off-by:
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Tomi Valkeinen authored
At the end of the link training, two steps have to be taken: 1) tc358767's LT mode is disabled by a write to DP0_SRCCTRL, and 2) Remove LT flag in DPCD 0x102. Toshiba's documentation tells to first write the DPCD, then modify DP0_SRCCTRL. In my testing this often causes issues, and the link disconnects right after those steps. If I reverse the steps, it works every time. There's a chance that this is DP sink specific, though, but as my testing shows this sequence to be much more reliable, let's change it. Signed-off-by:
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Tomi Valkeinen authored
For some reason the driver has a msleep(100) after writing to DP_PHY_CTRL. Toshiba's documentation doesn't suggest any delay is needed, and I have not seen any issues with the sleep removed. Drop it, as msleep(100) is a rather big one. Signed-off-by:
Andrey Gusakov <andrey.gusakov@cogentembedded.com> Signed-off-by:
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Tomi Valkeinen authored
Link training will sometimes fail if the DP link is enabled when tc_main_link_enable() is called. The driver makes sure the DP link is disabled when the DP output is disabled, and we never enable the DP without first disabling it, so this should never happen. However, as the HW behavior seems to be somewhat random if DP link has erroneously been left enabled, let's add a WARN_ON() for the case and set DP0CTL to 0. Signed-off-by:
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Tomi Valkeinen authored
Currently the code writes 0 to DP0CTL in tc_stream_disable(), which disables the whole DP link instead of just the video stream. We always disable the link and the stream together from tc_bridge_disable(), so this doesn't cause any issues. Nevertheless, fix this by only clearing VID_EN in tc_stream_disable to stop the video stream while keeping the link enabled. Signed-off-by:
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Tomi Valkeinen authored
Currently we have tc_main_link_setup(), which configures and enabled the link, but we have no counter-part for disabling the link. Add tc_main_link_disable, and rename tc_main_link_setup to tc_main_link_enable. Signed-off-by:
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Tomi Valkeinen authored
We set up the PXL PLL inside tc_main_link_setup. This is unnecessary, and makes tc_main_link_setup depend on the video-mode, which should not be the case. As PXL PLL is used only for the video stream (and only when using the HW test pattern), let's move the PXL PLL setup into tc_stream_enable. Also, currently the PXL PLL is only disabled if the driver if removed. Let's disable the PXL PLL when the stream is disabled. Signed-off-by:
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Tomi Valkeinen authored
It is nicer to have enable/disable functions instead of set(bool enable) style function. Split tc_main_link_stream into tc_stream_enable and tc_stream_disable. Signed-off-by:
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Tomi Valkeinen authored
The driver currently sets the video stream registers in tc_main_link_setup. One should be able to establish the DP link without any video stream, so a more logical place is to configure the stream in the tc_main_link_stream. So move them there. Signed-off-by:
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Tomi Valkeinen authored
The driver sets up AUX link at probe time, but, for some reason, also sets the main link's number of lanes using tc->link.base.num_lanes. This is not needed nor correct, as the number of lanes has not been decided yet. The number of lanes will be set later during main link setup. Modify aux_link_setup so that it does not use tc->link, and thus makes aux setup independent of the link probing. Signed-off-by:
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Tomi Valkeinen authored
swing and preemp fields are not used. Remove them. Signed-off-by:
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Tomi Valkeinen authored
Minor cleanups: - Use bool for boolean fields - Use DP_MAX_DOWNSPREAD_0_5 instead of BIT(0) - debug print down-spread and scrambler status Signed-off-by:
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Tomi Valkeinen authored
DP always uses ANSI 8B10B encoding. Some monitors (old?) may not have the ANSI 8B10B bit set in DPCD, even if it should always be set. The tc358767 driver currently respects that flag, and turns the encoding off if the monitor does not have the bit set, which then results in the monitor not working. This patch makes the driver to always use ANSI 8B10B encoding, and drops the 'coding8b10b' field which is no longer used. Signed-off-by:
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