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Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
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Port of radeon commit 29c63fe22a17c64e54016040cd882481bd45ee5a.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
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port of radeon commit 2fc5703abda201f138faf63bdca743d04dbf4b1a.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
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Signed-off-by: monk.liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <aleander.deucher@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <aleander.deucher@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <aleander.deucher@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <aleander.deucher@amd.com>
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In order for hibernation to reliably work we need to properly turn
off the SDMA block, sadly after numerous attemps i haven't not found
proper sequence for clean and full shutdown. So simply reset both
SDMA block, this makes hibernation works reliably on sea island GPU
family (CI)
Hibernation and suspend to ram were tested (several times) on :
Bonaire
Hawaii
Mullins
Kaveri
Kabini
Cc: stable@vger.kernel.org
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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In order for hibernation to reliably work we need to cleanup more
thoroughly the compute ring. Hibernation is different from suspend
resume as when we resume from hibernation the hardware is first
fully initialize by regular kernel then freeze callback happens
(which correspond to a suspend inside the radeon kernel driver)
and turn off each of the block. It turns out we were not cleanly
shutting down the compute ring. This patch fix that.
Hibernation and suspend to ram were tested (several times) on :
Bonaire
Hawaii
Mullins
Kaveri
Kabini
Changed since v1:
- Factor the ring stop logic into a function taking ring as arg.
Cc: stable@vger.kernel.org
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Ben Goz <ben.goz@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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v2: add missing MTYPE_NONCACHED enum
Signed-off-by: Ben Goz <ben.goz@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Use kzalloc for allocating one thing rather than
kcalloc(1...
The semantic patch that makes this change is as follows:
// <smpl>
@@
@@
- kcalloc(1,
+ kzalloc(
...)
// </smpl>
Signed-off-by: Maninder Singh <maninder1.s@samsung.com>
Reviewed-by: Vaneet Narang <v.narang@samsung.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Spotted by Dan Carpenter. This is a slight variant of
his fix.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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On the MacBook Pro, power of the gpu is cut by a gmux chip. Sometimes
the gpu gets stuck in powersaving mode and refuses to wake up
("Refused to change power state, currently in D3"). Inserting a
delay between setting the gpu to D3hot and cutting the power seems
to help (most of the time). This issue and its (partial) remediation
by the patch was observed with an Nvidia GT650M (NVE7 / GK107).
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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I've only seen this once, and I failed to capture the
lockdep backtrace, but I did some investigations.
If we are calling into the MST layer from EDID probing,
we have the mode_config mutex held, if during that EDID
probing, the MST hub goes away, then we can get a deadlock
where the connector destruction function in the driver
tries to retake the mode config mutex.
This offloads connector destruction to a workqueue,
and avoid the subsequenct lock ordering issue.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Now that the interface has been proven by a port of Weston (using all
atomic features including TEST_ONLY), remove the module parameter
guarding the atomic API from being exposed, and let it run free in the
wild.
Signed-off-by: Daniel Stone <daniels@collabora.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Since there's only one global instance ever we don't need to have
anything fancy. Stops a WARNING in the get_unique ioctl that the
unique name isn't set.
Cc: <stable@vger.kernel.org> # 4.1+ only
Reportedy-and-tested-by: Fabio Coatti <fabio.coatti@gmail.com>
Cc: Fabio Coatti <fabio.coatti@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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If we are doing an MST transaction and we've gotten HPD and we
lookup the device from the incoming msg, we should take the mgr
lock around it, so that mst_primary and mstb->ports are valid.
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This validates the mst_primary under the lock, and then calls
into the check and send function. This makes the code a lot
easier to understand the locking rules in.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://anongit.freedesktop.org/drm-intel into drm-next
fix warning introduced in last -fixes
* tag 'drm-intel-next-fixes-2015-06-22' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Silence compiler warning
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-next
Summary:
. Add atomic feature support
- Exynos also now supports atomic feature. However, it doesn't
guarantee atomic operation yet, and is required for more cleanups.
This time we just modified for Exynos drm driver to use atomic
interfaces instead of legacy ones. Next time, we will enhance
Exynos drm driver to support the atomic operation.
. Add iommu support
- This is a patch series according to below Exynos iommu integration
work with DT and dma-mapping subsystem,
http://lwn.net/Articles/607626/
. Consolidate Exynos drm driver initialization.
- This patch sereis resolves the issue that only the first compoments
was bound when happened deferred probing for other pipelines and
also makes the driver to be more cleanned up by moving the dispered
codes for registering kms drivers to one place.
. Add new MIC, DECON drivers, and MIPI-DSI support for Exynos5433.
- Add MIC(Mobile image compressor) driver. MIC is a new IP for Exynos5433
and later, which is used to transfer frame data to MIPI-DSI controller
compressing the data to reduce memory bandwidth.
- Add DECON driver for Exynos5433 SoC. This IP is a dislay controller
similar to Exynos7's one but this controller has much different registers
from Exynos7's ones so this driver has been implemented separately.
We will implement a helper modules for FIMD and two DECON controllers
to remove duplicated codes later.
- Add Exynos5433 SoC support to MIPI-DSI driver, and device tree
relevant patches.
* 'exynos-drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos: (50 commits)
ARM: dts: rename the clock of MIPI DSI 'pll_clk' to 'sclk_mipi'
drm/exynos: dsi: do not set TE GPIO direction by input
drm/exynos: dsi: add support for MIC driver as a bridge
drm/exynos: dsi: add support for Exynos5433
drm/exynos: dsi: make use of array for clock access
drm/exynos: dsi: make use of driver data for static values
drm/exynos: dsi: add macros for register access
drm/exynos: dsi: rename pll_clk to sclk_clk
drm/exynos: mic: add MIC driver
of: add helper for getting endpoint node of specific identifiers
drm/exynos: add Exynos5433 decon driver
drm/exynos: fix the input prompt of Exynos7 DECON
drm/exynos: add drm_iommu_attach_device_if_possible()
drm/exynos: Add the dependency for DRM_EXYNOS to DPI/DSI/DP
drm/exynos: remove the dependency of DP driver for ARCH_EXYNOS
drm/exynos: do not wait for vblank at atomic operation
drm/exynos: Remove unused vma field of exynos_drm_gem_obj
drm/exynos: fimd: fix page fault issue with iommu
drm/exynos: iommu: improve a check for non-iommu dma_ops
drm/exynos: iommu: detach from default dma-mapping domain on init
...
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git://anongit.freedesktop.org/drm-intel into drm-next
One more drm-misc pull for 4.2. The important one is the fix from Laurent
for Daniel Stone's mode_blob work.
* tag 'topic/drm-misc-2015-06-22' of git://anongit.freedesktop.org/drm-intel:
drm/atomic: Don't set crtc_state->enable manually
drm: prime: Document gem_prime_mmap
drm: Avoid the double clflush on the last cache line in drm_clflush_virt_range()
drm/atomic: Extract needs_modeset function
drm/cma: Fix 64-bit size_t build warnings
Documentation/drm: Update rotation property
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The enable field needs to be kept in sync with the mode_blob field. Call
drm_atomic_set_mode_prop_for_crtc() instead of setting enable to false
in order to dereference the mode blob correctly.
v2:
- Check the return value of drm_atomic_set_mode_prop_for_crtc()
- Drop the num_connectors local variable
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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On some board, TE GPIO should be configured properly thoughout pinctrl driver
as an wakeup interrupt. So this gpio should be configurable in the board's DT,
not being requested as a input pin.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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MIC must be initilized by MIPI DSI when it is being bound.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This patch adds support for Exynos5433 mipi dsi.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This patch make the driver to use an array for clock access. The number
of clocks are different from the existing MIPI DSI driver and Exynos5433
MIPI DSI driver. So this patch is needed before adding support for
Exynos5433 MIPI DSI driver.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Exynos MIPI DSI driver uses some static values such as address offsets,
register setting values, and etc. This patch makes the driver get those
values from the driver data.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This patch adds macros for register writing/reading. This is needed for
adding support Exynos5433 MIPI DSI driver, not by using if statement, but
by using driver data.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This patch renames pll_clk to sclk_clk. The clock referenced by pll_clk
is actually not the pll input clock for dsi. The pll input clock comes
from the board's oscillator directly. But for the backward
compatibility, the old clock name "pll_clk" is also OK.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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MIC(Mobile image compressor) is newly added IP in Exynos5433. MIC
resides between decon and mipi dsim, and compresses frame data by 50%.
With dsi, not display port, to send frame data to the panel, the
bandwidth is not enough. That is why this compressor is introduced.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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DECON(Display and Enhancement Controller) is new IP replacing FIMD in
Exynos5433. This patch adds Exynos5433 decon driver.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This patch is a preparation patch for adding support for Exynos5433
DECON. Exynos7 DECON have to be distinguished from Exynos5433 DECON.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Every CRTC drivers in Exynos DRM implements the code which checks
whether IOMMU is supported or not, and if supported enable it.
Making new helper for it generalize each CRTC drivers.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Without this dependency, Kbuild is confused and the configs below
them are not placed under Exynos DRM. This patch fixes it, so the
configs below them become to be placed under Exynos DRM.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This dependency is a historical thing. It is added when this DP driver is
under media subsystem. Now because it is under Exynos DRM, this dependency
is not needed anymore.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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Silence the following -Wmaybe-uninitialized warnings and make the code
more clear.
drivers/gpu/drm/i915/intel_display.c: In function ‘__intel_set_mode’:
drivers/gpu/drm/i915/intel_display.c:11844:14: warning: ‘crtc_state’ may be used uninitialized in this function [-Wmaybe-uninitialized]
return state->mode_changed || state->active_changed;
^
drivers/gpu/drm/i915/intel_display.c:11854:25: note: ‘crtc_state’ was declared here
struct drm_crtc_state *crtc_state;
^
drivers/gpu/drm/i915/intel_display.c:11868:6: warning: ‘crtc’ may be used uninitialized in this function [-Wmaybe-uninitialized]
if (crtc != intel_encoder->base.crtc)
^
drivers/gpu/drm/i915/intel_display.c:11853:19: note: ‘crtc’ was declared here
struct drm_crtc *crtc;
Reported-by: Chris Wilson <chris@chris-wilson.co.uk>
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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gem_prime_map is not currently described in the DRM manual, lets document
it.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This patch resolves the issue that refresh rate got low
at extension mode test with fimd and vidi combination.
The problem was because atomic_commit callback waited
for the completion of vblank to gaurantee crtc relevant
registers are updated from shadow registers to real ones.
However, the waiting there is really unnecessary because
page flip operation does already it.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The field 'vma' of 'exynos_drm_gem_obj' structure was introduced in
2a3098ff6c21 ("drm/exynos: add userptr feature for g2d module") but is
not referenced anywhere.
One instance of 'exynos_drm_gem_obj' may be mapped to multiple
user-space VMAs so 'vma' field does not look useful anyway.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This patch resolves page fault issue with iommu and atomic feature
when modetest test application is terminated.
ENWIN_F field of WINCONx register enables or disable a dma channel to
each hardware overlay - the value of the field will be updated to real
register after vsync.
So this patch makes sure the dma channel is disabled by waiting for vsync
one time after clearing shadow registers to all dma channels.
Below shows the page fault issue:
setting mode 720x1280-60Hz@XR24 on connectors 31, crtc 29
freq: 59.99Hz
[ 34.831025] PAGE FAULT occurred at 0x20400000 by 11e20000.sysmmu(Page
table base: 0x6e324000)
[ 34.838072] Lv1 entry: 0x6e92dc01
[ 34.841489] ------------[ cut here ]------------
[ 34.846058] kernel BUG at drivers/iommu/exynos-iommu.c:364!
[ 34.851614] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM
[ 34.857428] Modules linked in:
<--snip-->
[ 35.210894] [<c02880d0>] (exynos_sysmmu_irq) from [<c00608f8>]
(handle_irq_event_percpu+0x78/0x134)
[ 35.219914] [<c00608f8>] (handle_irq_event_percpu) from [<c00609f0>]
(handle_irq_event+0x3c/0x5c)
[ 35.228768] [<c00609f0>] (handle_irq_event) from [<c0063698>]
(handle_level_irq+0xc4/0x13c)
[ 35.237101] [<c0063698>] (handle_level_irq) from [<c005ff7c>]
(generic_handle_irq+0x2c/0x3c)
[ 35.245521] [<c005ff7c>] (generic_handle_irq) from [<c02214ec>]
(combiner_handle_cascade_irq+0x94/0x100)
[ 35.254980] [<c02214ec>] (combiner_handle_cascade_irq) from
[<c005ff7c>] (generic_handle_irq+0x2c/0x3c)
[ 35.264353] [<c005ff7c>] (generic_handle_irq) from [<c0060248>]
(__handle_domain_irq+0x7c/0xec)
[ 35.273034] [<c0060248>] (__handle_domain_irq) from [<c0009434>]
(gic_handle_irq+0x30/0x68)
[ 35.281366] [<c0009434>] (gic_handle_irq) from [<c0012ec0>]
(__irq_svc+0x40/0x74)
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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DRM Exynos driver is relying on dma-mapping internal structures when used
with IOMMU enabled. This patch partially hides dma-mapping internal things
by using proper get_dma_ops/set_dma_ops calls.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This patch adds code, which detach sub-device nodes from default iommu
domain if such has been configured. This lets Exynos DRM driver to properly
attach sub-devices to its own, common for all sub-devices domain.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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One should not do any assumptions on the stare of the fimd hardware
during driver initialization, so to properly reset fimd before enabling
IOMMU, one should ensure that all power domains and clocks are really
enabled. This patch adds pm_runtime and clocks management in the
fimd_clear_channel() function to ensure that any access to fimd
registers will be performed with clocks and power domains enabled.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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When the fimd is disabled by fimd_disable(), enabled overlay layers also
are disabled. If clocks for fimd are enabled by fimd_enable() on this
case, it can lead IOMMU page fault. The reason is that VIDCON0_ENVID and
VIDCON0_ENVID_F bits of VIDCON0 register are set still even though fimd
is disabled, so it may continue display output of prior when clocks for
fimd are enabled again.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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With atomic modesetting all the control for CRTC, Planes, Encoders and
Connectors should come from DRM core, so the driver is not allowed to
enable or disable planes from inside the crtc_enable()/disable() call.
But it needs to disable planes with crtc_disable in exynos driver
internally. Because crtc is disabled before plane is disabled, it means
plane_disable just returns without any register changes, then we cannot
be sure setting register to disable plane when crtc is disable.
This patch removes this chainned calls to enable plane from exynos hw
drivers code letting only DRM core touch planes except to disable plane.
Also it leads eliminable enabled and resume of struct exynos_drm_plane.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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The reason waiting vblank is to be power gated and disabled clocks after
dma operation is completed. The dma operation is stopped already before
be power gated and clocks are disabled when mixer is disabled by commit
381be025ac1a6("drm/exynos: stop mixer before gating clocks during
poweroff"). Don't need to wait vblank anymore.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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FIMC & GSC driver can calculate the offset of planes. So there are
use cases which IPP receives just one GEM handle of an image with
multiple plane. This patch extends ipp_validate_mem_node() to validate
this case.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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