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Since the if statement only checks for the value of the `id` variable,
it can be replaced by the more concise BUG_ON() macro for error
reporting.
Issue found using coccinelle.
Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200102095515.7106-1-wambui.karugax@gmail.com
Talked with HW team and this is a left over, driver should not
program clockgating, mg or dekel firmware is reponsible for any
clockgating programing.
Also removing the register and bits definition related to clockgating.
v2:
Added WARN_ON
v3:
Only calling icl_phy_set_clock_gating() on intel_ddi_pre_enable_hdmi
for GEN11
v4:
ICL should also not program clockgating (thanks Matt for catching
this)
BSpec issue: 20885
BSpec: 49292
BSpec: 21735
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200107170922.153612-1-jose.souza@intel.com
Recent improvements in the state tracking in i915 caused PSR to not be
enabled when reusing firmware/BIOS modeset, this is due to all initial
commits returning ealier in intel_atomic_check() as needs_modeset()
is always false.
To fix that here forcing the state compute phase in CRTC that is
driving the eDP that supports PSR once. Enable or disable PSR do not
require a fullmodeset, so user will still experience glitch free boot
process plus the power savings that PSR brings.
It was tried to set mode_changed in intel_initial_commit() but at
this point the connectors are not registered causing a crash when
computing encoder state.
v2:
- removed function return
- change arguments to match intel_hdcp_atomic_check
v3:
- replaced drm includes in intel_psr.h by forward declaration(Jani)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=112253
Reported-by: <s.zharkoff@gmail.com>
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200106152128.195171-1-jose.souza@intel.com
Casting a pointer to dma_addr_t produces a warning:
drivers/gpu/drm/meson/meson_rdma.c: In function 'meson_rdma_free':
drivers/gpu/drm/meson/meson_rdma.c:59:25: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
priv->rdma.addr_phys = (dma_addr_t)NULL;
In this case, it's worse because the variable name has the suffix
'_phys', which often indicates a phys_addr_t rather than dma_addr_t,
i.e. yet another incompatible type.
Change it to use consistent naming and avoid NULL.
Fixes: 63fba242c464 ("drm/meson: add RDMA module driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200107214653.1173199-1-arnd@arndb.de
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/gpu/drm/gma500/psb_irq.c: In function psb_irq_turn_off_dpst:
drivers/gpu/drm/gma500/psb_irq.c:473:6:
warning: variable hist_reg set but not used [-Wunused-but-set-variable]
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191227114811.14907-1-chenzhou10@huawei.com
The DRC needs to run at 300MHz to be functional. This was done so far
using assigned-clocks in the device tree, but that is easy to forget, and
doesn't provide any other guarantee than the rate is going to be roughly
the one requested at probe time.
Therefore it's pretty fragile, so let's just use the exclusive clock API to
enforce it.
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200107165957.672435-2-maxime@cerno.tech
The backend needs to run at 300MHz to be functional. This was done so far
using assigned-clocks in the device tree, but that is easy to forget, and
doesn't provide any other guarantee than the rate is going to be roughly
the one requested at probe time.
Therefore it's pretty fragile, so let's just use the exclusive clock API to
enforce it.
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200107165957.672435-1-maxime@cerno.tech
Commit 05193dc38197 ("drm/bridge: Make the bridge chain a double-linked
list") patched the bridge chain logic to use a double-linked list instead
of a single-linked list. This change induced changes to the Exynos driver
which was manually resetting the encoder->bridge element to NULL to
control the enable/disable sequence of the bridge chain. During this
conversion, 2 bugs were introduced:
1/ list_splice() was used to move chain elements to our own internal
chain, but list_splice() does not reset the source list to an empty
state, leading to unexpected bridge hook calls when
drm_bridge_chain_xxx() helpers were called by the core. Replacing
the list_splice() call by list_splice_init() fixes this problem.
2/ drm_bridge_chain_xxx() helpers operate on the
bridge->encoder->bridge_chain list, which is now empty. When the
helper uses list_for_each_entry_reverse() we end up with no operation
done which is not what we want. But that's even worse when the helper
uses list_for_each_entry_from(), because in that case we end up in
an infinite loop searching for the list head element which is no
longer encoder->bridge_chain but exynos_dsi->bridge_chain. To address
that problem we stop using the bridge chain helpers and call the
hooks directly.
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: 05193dc38197 ("drm/bridge: Make the bridge chain a double-linked list")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191227144124.210294-3-boris.brezillon@collabora.com
Commit 05193dc38197 ("drm/bridge: Make the bridge chain a double-linked
list") patched the bridge chain logic to use a double-linked list instead
of a single-linked list. This change induced changes to the VC4 driver
which was manually resetting the encoder->bridge element to NULL to
control the enable/disable sequence of the bridge chain. During this
conversion, 2 bugs were introduced:
1/ list_splice() was used to move chain elements to our own internal
chain, but list_splice() does not reset the source list to an empty
state, leading to unexpected bridge hook calls when
drm_bridge_chain_xxx() helpers were called by the core. Replacing
those list_splice() calls by list_splice_init() ones fixes this
problem.
2/ drm_bridge_chain_xxx() helpers operate on the
bridge->encoder->bridge_chain list, which is now empty. When the
helper uses list_for_each_entry_reverse() we end up with no operation
done which is not what we want. But that's even worse when the helper
uses list_for_each_entry_from(), because in that case we end up in
an infinite loop searching for the list head element which is no
longer encoder->bridge_chain but vc4_dsi->bridge_chain. To address
that problem we stop using the bridge chain helpers and call the
hooks directly.
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Eric Anholt <eric@anholt.net>
Fixes: 05193dc38197 ("drm/bridge: Make the bridge chain a double-linked list")
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Acked-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20191227144124.210294-2-boris.brezillon@collabora.com
This reverts commit 6ed7e9625fa6 ("drm/bridge: Add a drm_bridge_state
object") which introduced a circular dependency between drm.ko and
drm_kms_helper.ko. Looks like the helper/core split is not appropriate
and fixing that is not simple.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200107185807.606999-6-boris.brezillon@collabora.com
This reverts commit f7619a58ef92 ("drm/bridge: Patch atomic hooks to
take a drm_bridge_state"). Commit 6ed7e9625fa6 ("drm/bridge: Add a
drm_bridge_state object") introduced a circular dependency between
drm.ko and drm_kms_helper.ko which uncovered a misdesign in how the
whole thing was implemented. Let's revert all patches depending on the
bridge_state infrastructure for now.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200107185807.606999-5-boris.brezillon@collabora.com
This reverts commit b86d895524ab ("drm/bridge: Add an ->atomic_check()
hook"). Commit 6ed7e9625fa6 ("drm/bridge: Add a drm_bridge_state
object") introduced a circular dependency between drm.ko and
drm_kms_helper.ko which uncovered a misdesign in how the whole thing
was implemented. Let's revert all patches depending on the bridge_state
infrastructure for now.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200107185807.606999-4-boris.brezillon@collabora.com
This reverts commit e351e4d5eaec ("drm/bridge: Add the necessary bits
to support bus format negotiation"). Commit 6ed7e9625fa6 ("drm/bridge:
Add a drm_bridge_state object") introduced a circular dependency
between drm.ko and drm_kms_helper.ko which uncovered a misdesign in
how the whole thing was implemented. Let's revert all patches depending
on the bridge_state infrastructure for now.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200107185807.606999-3-boris.brezillon@collabora.com
This reverts commit b18398c16e17 ("drm/bridge: Fix a NULL pointer
dereference in drm_atomic_bridge_chain_check()"). Commit 6ed7e9625fa6
("drm/bridge: Add a drm_bridge_state object") introduced a circular
dependency between drm.ko and drm_kms_helper.ko which uncovered a
misdesign in how the whole thing was implemented. Let's revert all
patches depending on the bridge_state infrastructure for now.
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200107185807.606999-2-boris.brezillon@collabora.com
It is highly unlikely, but still conceivable, that we submit a context
with the same GGTT address as last active on the HW. In this case, with
a matching LRCA, the HW would not restore the new context image causing
a potential violation of our context isolation.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Acked-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200107172842.3315449-1-chris@chris-wilson.co.uk
to terminate the while-loop in drm_dp_aux_crc_work when
drm_dp_start/stop_crc are called in the hook to set crc source.
v3: set crc->opened to false without checking (Nick)
v2: Move spin_lock around entire crc->opened use (Daniel)
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Harry Wentland <Harry.Wentland@amd.com>
Cc: Nick Kazlauskas <Nicholas.Kazlauskas@amd.com>
Signed-off-by: Dingchen Zhang <dingchen.zhang@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190726173743.11641-1-dingchen.zhang@amd.com
userspace may transfer a newline, and this terminating newline
is replaced by a '\0' to avoid followup issues.
'len-1' is the index to replace the newline of CRC source name.
v3: typo fix (Sam)
v2: update patch subject, body and format. (Sam)
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Harry Wentland <Harry.Wentland@amd.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Dingchen Zhang <dingchen.zhang@amd.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190610134751.14356-1-dingchen.zhang@amd.com
Attempt to split i915_gem_gtt.[ch] into more manageable chunks.
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
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/20200107134009.3255354-1-chris@chris-wilson.co.uk
For high-res (8K) or HFR (4K120) displays, using uncompressed pixel
formats like YCbCr444 would exceed the bandwidth of HDMI 2.0, so the
"interesting" modes would be disabled, leaving only low-res or low
framerate modes.
This change lowers the pixel encoding to 4:2:2 or 4:2:0 if the max TMDS
clock is exceeded. Verified that 8K30 and 4K120 are now available and
working with a Samsung Q900R over an HDMI 2.0b link from a Radeon 5700.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Thomas Anderson <thomasanderson@google.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Some combined docks will always trigger CP_IRQ but there's nothing the driver
needs to take care of, but the CP_IRQ breaks the original hdcp state and
triggers the driver to restart the authentication.
[How]
Add the event type check before restart the authentication or resend the stream
management
Signed-off-by: Xiaodong Yan <Xiaodong.Yan@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[WHY]
Some monitors trigger HDCP2.x timeout after reinitializing (e.g. toggling HDR)
by taking longer than expected to return h' (h prime)
Previously the 200ms watchdog timer retry count would hit
MAX_NUM_OF_ATTEMPTS (4), causing fallback to HDCP1.x
[HOW]
Adding a 1s delay after an h' watchdog timeout provides enough time
for affected monitors to return h' in time without hitting MAX_NUM_OF_ATTEMPTS
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[why]
Most DP/HDMI monitors need more time to response rx_validation
request.
[how]
Add generic 1000ms delay.
Signed-off-by: Jing Zhou <Jing.Zhou@amd.com>
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
We are returning incorrect error code for validate h prime
[How]
Return the right Error code
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
PSP needs session ID to destroy a session, In the case where we fail
create session we don't have a session ID
[How]
Set the session ID before returning
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We are returning SUCCESS when hdcp_status != Success. Fix it.
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
list_for_each() can be replaced by the more concise
list_for_each_entry() here for iteration over the lists.
This change was reported by coccinelle.
Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
As single statement conditionals do not need to be wrapped around
braces, the unnecessary braces can be removed.
Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Remove unnecessary variable comparisions to true/false in if statements
and check the value of the variable directly.
Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This reverts commit 51bfac71cade386966791a8db87a5912781d249f.
This causes stability issues on some raven boards. Revert
for now until a proper fix is completed.
Bug: https://gitlab.freedesktop.org/drm/amd/issues/934
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=206017
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Put it on one line to avoid whitespace issues when
printing in the log.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Rather than open coding it. This also changes the free masks
to better reflect the usage by other components.
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
So it can be shared with newer GMC versions.
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
defined macros for repetitive for loops
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
switch CE counter register access' to use SMN
disable UMC indexing mode
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Provided an unified entry point. And fixed the confusing that the API
usage is conflict with what the naming implies.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Guard the content consistence between the view of GPU and CPU
during the table transferring.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
With "dpm=0", there will be no DPM enabled. The code
needs to be refined to support this.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
By this, we can avoid to pass in the VRAM address on every table
transferring. That puts extra unnecessary traffics on SMU on
some cases(e.g. polling the amdgpu_pm_info sysfs interface).
V2: document what the driver table is for and how it works
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
So that we do not need to allocate a piece of VRAM for it. This
is a preparation for coming change which unifies the VRAM address
for all driver tables interaction with SMU.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Zhigang Luo <zhigang.luo@amd.com>
Signed-off-by: Jane Jian <jane.jian@amd.com>
Reviewed-by: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Zhigang Luo <zhigang.luo@amd.com>
Signed-off-by: Jane Jian <jane.jian@amd.com>
Reviewed-by: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Zhigang Luo <zhigang.luo@amd.com>
Signed-off-by: Jane Jian <jane.jian@amd.com>
Reviewed-by: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Zhigang Luo <zhigang.luo@amd.com>
Signed-off-by: Jane Jian <jane.jian@amd.com>
Reviewed-by: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
