Adds system power management support in KMS kernel driver.
Depends on:
https://patchwork.freedesktop.org/series/62377/
Changes since v1:
Since we have unified mclk/pclk/pipeline->aclk to one mclk, which will
be turned on/off when crtc atomic enable/disable, removed runtime power
management.
Removes run time get/put related flow.
Adds to disable the aclk when register access finished.
Changes since v2:
Rebases to the drm-misc-next branch.
Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@arm.com>
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190923015908.26627-1-lowry.li@arm.com
It looks like one of the topology manager mutexes may have been renamed
during a rebase, but the destruction function wasn't updated with the
new name:
error: ‘struct drm_dp_mst_topology_mgr’ has no member named
‘delayed_destroy_lock’
Fixes: 50094b5dcd ("drm/dp_mst: Destroy topology_mgr mutexes")
Cc: Lyude Paul <lyude@redhat.com>
Cc: Sean Paul <sean@poorly.run>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190925224617.24027-1-matthew.d.roper@intel.com
These are most certainly accessed from far more than the mgr work. In
fact, up_req_recv is -only- ever accessed from outside the mgr work.
Cc: Juston Li <juston.li@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190903204645.25487-19-lyude@redhat.com
The names for these functions are rather confusing. drm_dp_add_port()
sounds like a function that would simply create a port and add it to a
topology, and do nothing more. Similarly, drm_dp_update_port() would be
assumed to be the function that should be used to update port
information after initial creation.
While those assumptions are currently correct in how these functions are
used, a quick glance at drm_dp_add_port() reveals that drm_dp_add_port()
can also update the information on a port, and seems explicitly designed
to do so. This can be explained pretty simply by the fact that there's
more situations that would involve updating the port information based
on a link address response as opposed to a connection status
notification than the driver's initial topology probe. Case in point:
reprobing link addresses after suspend/resume.
Since we're about to start using drm_dp_add_port() differently for
suspend/resume reprobing, let's rename both functions to clarify what
they actually do.
Cc: Juston Li <juston.li@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190903204645.25487-18-lyude@redhat.com
Turns out we've been forgetting for a while now to actually destroy any
of the mutexes that we create in drm_dp_mst_topology_mgr. So, let's do
that.
Cc: Juston Li <juston.li@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Harry Wentland <hwentlan@amd.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190903204645.25487-15-lyude@redhat.com
Simplify this function implementation by using a known wrapper function.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Yannick Fertré <yannick.fertre@st.com>
Tested-by: Yannick Fertré <yannick.fertre@st.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e0d7b7d7-3e89-8b3f-04ed-0b14806e66f7@web.de
There is little reason for the from/to logic, printing a subset of
the bits can be done by simply shifting/masking value if needed.
Also use for_each_set_bit().
Suggested-by: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Sean Paul <sean@poorly.run>
Link: http://patchwork.freedesktop.org/patch/msgid/20190923065814.4797-1-kraxel@redhat.com
The newer Allwinner SoCs have a different layers controller than the older
ones. Jernej wrote that support and has been reviewing patches for a while
now, so let's make him a formal reviewer.
Reviewed-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190919173020.11655-2-mripard@kernel.org
The DRM drivers are more than about the A10 now, so let's make the entry
name a bit more generic.
Also, Chen-Yu has been a de-facto maintainer for the DRM driver for a
while, is a maintainer of the Allwinner platform for an even longer time,
and has drm-misc commit access. Let's make it formal and add him as a
maintainer.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190919173020.11655-1-mripard@kernel.org
This causes kernel crash when testing lima driver.
Cc: Christian König <christian.koenig@amd.com>
Fixes: b8c036dfc6 ("dma-buf: simplify reservation_object_get_fences_rcu a bit")
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190922074900.853-1-yuq825@gmail.com
The "lvds->backlight" pointer could be NULL in situations where
of_parse_phandle() returns NULL. This code is cleaner if we use the
managed devm_of_find_backlight() so the clean up is automatic.
Fixes: 7c9dff5bd6 ("drm: panels: Add LVDS panel driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190911104928.GA15930@mwanda
The bar values are little endian, not big endian. The pack
function did it right but the unpack got it wrong. Fix it.
Cc: stable@vger.kernel.org
Cc: linux-media@vger.kernel.org
Cc: Martin Bugge <marbugge@cisco.com>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Fixes: 2c676f378e ("[media] hdmi: added unpack and logging functions for InfoFrames")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190919132853.30954-1-ville.syrjala@linux.intel.com
Reviewed-by: Thierry Reding <treding@nvidia.com>
Because between HDMI and DP have different colorspaces, it adds
drm_mode_create_dp_colorspace_property() function for creating of DP
colorspace property.
v3: Addressed review comments from Ville
- Add new colorimetry options for DP 1.4a spec.
- Separate set of colorimetry enum values for DP.
v4: Add additional comments to struct drm_prop_enum_list.
Polishing an enum string of struct drm_prop_enum_list
v5: Change definitions of DRM_MODE_COLORIMETRYs to follow HDMI prefix and
DP abbreviations.
Add missed variables on dp_colorspaces.
Fix typo. [Uma]
v6: Addressed review comments from Ilia and Ville
- Split drm_mode_create_colorspace_property() to DP and HDMI connector.
v7: Fix typo [Jani Saarinen]
Fix white space.
v8: Addressed review comments from Ville
- Drop colorimetries which have another way to distinguish or which
would not be used.
v9: Addressed review comments from Ville
- Split hunk into renaming and adding of code.
Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190919195311.13972-5-gwan-gyeong.mun@intel.com
As between HDMI and DP have different colorspaces, in order to distinguish
colorspace of DP and HDMI, it renames drm_mode_create_colorspace_property()
function to drm_mode_create_hdmi_colorspace_property() function for HDMI
connector.
In order to apply changed drm api, i915 driver has channged.
It addresses review comments from Ville.
- Split hunk into renaming and adding of code.
Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190919195311.13972-4-gwan-gyeong.mun@intel.com
Extends the user space ioctl for CL submissions so it can include a request
to flush the cache once the CL execution has completed. Fixes memory
write violation messages reported by the kernel in workloads involving
shader memory writes (SSBOs, shader images, scratch, etc) which sometimes
also lead to GPU resets during Piglit and CTS workloads.
v2: if v3d_job_init() fails we need to kfree() the job instead of
v3d_job_put() it (Eric Anholt).
v3 (Eric Anholt):
- Drop _FLAG suffix from the new flag name.
- Add a new param so userspace can tell whether cache flushing is
implemented in the kernel.
Signed-off-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190919071016.4578-1-itoral@igalia.com
Fill out our list of cea modes with the new stuff from CTA-861-G.
We only do the modes with VIC < 128 here. Adding the higher
numbered VICs will need some slight code refactoring first.
Cc: Hans Verkuil <hansverk@cisco.com>
Cc: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190711103234.6294-2-ville.syrjala@linux.intel.com
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Allow drivers to call drm_atomic_helper_check_modeset() without
having the crtc helper funcs specified. i915 doesn't need those
anymore.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190708125325.16576-3-ville.syrjala@linux.intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Adds to support register dump on lpu and dou of pipeline and gcu on D71
Changes since v1:
- For a constant format without additional arguments, use seq_puts()
instead of seq_printf().
Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@arm.com>
Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190917112525.25490-1-lowry.li@arm.com
Provide a dummy static inline function in the header instead.
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Lowry Li (Arm Technology China) <Lowry.Li@arm.com>
Cc: james qian wang (Arm Technology China) <james.qian.wang@arm.com>
Fixes: 4d74b25ee3 ("drm/komeda: Adds error event print functionality")
Signed-off-by: Mihail Atanassov <mihail.atanassov@arm.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190917150314.20892-1-mihail.atanassov@arm.com
Similar to possible_clones, we don't actually use possible_crtcs until
the driver is registered with userspace. So, fix the documentation to
indicate this.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190913222704.8241-3-lyude@redhat.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
We say that all of the bits in possible_clones must be set before
calling drm_encoder_init(). This isn't true though, since:
* The driver may not even have all of the encoder objects that could be
used as clones initialized at that point
* possible_crtcs isn't used at all outside of userspace, so it's not
actually needed to initialize it until drm_dev_register()
So, fix it.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190913222704.8241-2-lyude@redhat.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
The implementation of vmap and vunmap for GEM VRAM helpers is
already in PRIME helpers. The patch moves the operations to separate
functions and exports them for general use.
v3:
* remove v2's obsolete note on ref-counting
v2:
* fix documentation
* add cross references to function documentation
* document (the lack of) ref-counting for GEM VRAM BO mappings
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190911120352.20084-2-tzimmermann@suse.de
Adds to print the event message when error happens and the same event
will not be printed until next vsync.
Changes since v2:
1. Refine komeda_sprintf();
2. Not using STR_SZ macro for the string size in komeda_print_events().
Changes since v1:
1. Handling the event print by CONFIG_KOMEDA_ERROR_PRINT;
2. Changing the max string size to 256.
Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@arm.com>
Reviewed-by: Mihail Atanassov <mihail.atanassov@arm.com>
Reviewed-by: James Qian Wang (Arm Technology China) <james.qian.wang@arm.com>
Signed-off-by: james qian wang (Arm Technology China) <james.qian.wang@arm.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1564738954-6101-1-git-send-email-lowry.li@arm.com
Currently we restrict the number of encoders that can be linked to
a connector to 3, increase it to match the maximum number of encoders
that can be initialized(32).
To more effiently do that lets switch from an array of encoder ids to
bitmask.
v2: Fixing missed return on amdgpu_dm_connector_to_encoder()
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: dri-devel@lists.freedesktop.org
Cc: intel-gfx@lists.freedesktop.org
Cc: nouveau@lists.freedesktop.org
Cc: amd-gfx@lists.freedesktop.org
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190913232857.389834-2-jose.souza@intel.com
This 3 non-atomic drivers all have the same function getting the
only encoder available in the connector, also atomic drivers have
this fallback. So moving it a common place and sharing between atomic
and non-atomic drivers.
While at it I also removed the mention of
drm_atomic_helper_best_encoder() that was renamed in
commit 297e30b5d9 ("drm/atomic-helper: Unexport
drm_atomic_helper_best_encoder").
v3: moving drm_connector_get_single_encoder to drm_kms_helper module
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: dri-devel@lists.freedesktop.org
Cc: intel-gfx@lists.freedesktop.org
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190913232857.389834-1-jose.souza@intel.com
Remove always false comparisons due to limited range of nfl_bpg_offset
and scale_increment_interval fields.
Warnings detected when compiling with W=1.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190911084759.6946-1-benjamin.gaignard@st.com
Fix warnings when W=1.
No code changes, only clean up in sti internal structures and functions
descriptions.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Reviewed-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190909101254.24191-1-benjamin.gaignard@st.com
In order to better support video non-burst modes,
the +20% on pll out is added only in burst mode.
Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
Reviewed-by: Yannick Fertré <yannick.fertre@st.com>
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1568278589-20400-1-git-send-email-yannick.fertre@st.com
The i2c_new_dummy() function is deprecated since it returns NULL on
error. Change this to use the recommended replacement
i2c_new_dummy_device() that returns an error code that can be read with
PTR_ERR() and friends.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190815004854.19860-5-masneyb@onstation.org
Add support for the 7808 variant. While we're here, the of match table
was missing support for the 7812 and 7818 variants, so add them as well.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190815004854.19860-3-masneyb@onstation.org
Add support for the analogix,anx7808, analogix,anx7812, and
analogix,anx7818 variants.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190815004854.19860-2-masneyb@onstation.org
The documentation for most of the bridge atomic operations incorrectly
reference the non-atomic version when stating the operations are
optional. Fix them, and make sure that all references to bridge
operations are correctly marked with @.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190821235502.15475-1-laurent.pinchart+renesas@ideasonboard.com
When transmitting IEC60985 linear PCM audio, we configure the
Aduio Sample Channel Status information in the IEC60958 frame.
The status bit is already available in iec.status of hdmi_codec_params.
This fix the issue that audio does not come out on some monitors
(e.g. LG 22CV241)
Note that these registers are only for interfaces:
I2S audio interface, General Purpose Audio (GPA), or AHB audio DMA
(AHBAUDDMA).
For S/PDIF interface this information comes from the stream.
Currently this function dw_hdmi_set_channel_status is only called
from dw-hdmi-i2s-audio in I2S setup.
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
Reviewed-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190911082646.134347-1-cychiang@chromium.org
Lowry Li (Arm Technology China)