Andrzej Hajda [Fri, 12 Feb 2016 12:13:57 +0000 (13:13 +0100)]
drm/exynos/fimc: remove unused camera interface polarization code
Polarization was never configured for DRM-FIMC device, so fimc_set_polarity
function did nothing. In fact DRM does not use camera interface so there
is no point in configuring it.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Chanho Park [Fri, 12 Feb 2016 13:31:39 +0000 (22:31 +0900)]
drm/exynos: add exynos5420 support for fimd
This patch adds a exynos5420 driver data to support mic_bypass
option to bypass the mic from display out path.
The mic(Mobile image compressor) compresses RGB data from fimd
and send the compressed data to the mipi dsi.
The bypass option can be founded from system register and the bit
is 11. The option bit has been introduced since exynos5420. The
only difference between exynos5250 and exynos5420/exynos5422 is
existence of the bit. Until the MIC is defined and enabled from
device tree, the bypass mic will be default option.
Signed-off-by: Chanho Park <chanho61.park@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Chanho Park [Thu, 11 Feb 2016 14:11:20 +0000 (23:11 +0900)]
drm/exynos: use DIV_ROUND_CLOSEST to find the closest div
This patch uses DIV_ROUND_CLOSEST instead of DIV_ROUND_UP
The DIV_ROUND_CLOSEST can be used to find the closest integer
value when we divide some integers.
Signed-off-by: Chanho Park <chanho61.park@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Chanho Park [Sat, 30 Jan 2016 14:11:50 +0000 (23:11 +0900)]
drm/exynos: support exynos5422 mipi-dsi
This patch supports mipi dsi for exynos5422. The dsi register
offsets of the exynos5422 are similar with exynos5433. However,
the values of the registers are quite different from the
exynos5433. For example, the exynos5422 uses sw reset like
previous chips.
Signed-off-by: Chanho Park <chanho61.park@samsung.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Marek Szyprowski [Thu, 11 Feb 2016 11:32:07 +0000 (12:32 +0100)]
drm/exynos: fix incorrect cpu address for dma_mmap_attrs()
dma_mmap_attrs() should be called with cpu address returned by
dma_alloc_attrs(). Existing code however passed pages array base as cpu
address. This worked only by a pure luck on ARM architecture. This patch
fixes this issue.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
drm/exynos: exynos5433_decon: fix wrong state in decon_vblank_enable
BIT_IRQS_ENABLED was never set because of incorrect test in
decon_vlank_enable() function, what resulted in lack of enabling vblank
support. This patch fixes this issue.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
drm/exynos: exynos5433_decon: fix wrong state assignment in decon_enable
Patch ebf3fd403b79ba6561bd1a4bb5a7cacc99da08e5 ("drm/exynos: add
pm_runtime to DECON 5433") removed some code from decon_enable()
function, but it left set_bit(BIT_SUSPENDED, &ctx->flags) call, which
was earlier called only in error path. This patch removes it, what
finally lets driver to go out of suspended state.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
This patch fixes issue introduced by commit cf67cc9a29ac19c98bc4fa0e6d14b0c1f592d322 ("drm/exynos: remove struct
exynos_drm_display"), which removed assigning of drm bridge to drm
encoder. Lack of it caused that no bridge callbacks were called on
encoder enable/disable actions.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
MIC is SoC component and important part of kms pipeline on Exynos5433,
so convert it to use component framework like other KMS/CRTC drivers.
MIC driver is already listed on KMS component driver list in Exynos DRM
core, so without this conversion, initialization of Exynos DRM core
fails on Exynos 5433 SoC.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
drm/exynos: ipp: fix incorrect format specifiers in debug messages
Drivers should use %p for printing pointers instead of hardcoding them
as hexadecimal integers. This patch fixes compilation warnings on 64bit
architectures.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Dave Airlie [Tue, 1 Mar 2016 03:06:44 +0000 (13:06 +1000)]
Merge tag 'drm-intel-next-2016-02-14' of git://anongit.freedesktop.org/drm-intel into drm-next
- lots and lots of fbc work from Paulo
- max pixel clock checks from Mika Kahola
- prep work for nv12 offset handling from Ville
- piles of small fixes and refactorings all around
* tag 'drm-intel-next-2016-02-14' of git://anongit.freedesktop.org/drm-intel: (113 commits)
drm/i915: Update DRIVER_DATE to 20160214
drm/i915: edp resume/On time optimization.
agp/intel-gtt: Only register fake agp driver for gen1
drm/i915: TV pixel clock check
drm/i915: CRT pixel clock check
drm/i915: SDVO pixel clock check
drm/i915: DisplayPort-MST pixel clock check
drm/i915: HDMI pixel clock check
drm/i915: DisplayPort pixel clock check
drm/i915: check that rpm ref is held when accessing ringbuf in stolen mem
drm/i915: fix error path in intel_setup_gmbus()
drm/i915: Stop depending upon CONFIG_AGP_INTEL
agp/intel-gtt: Don't leak the scratch page
drm/i915: Capture PCI revision and subsytem details in error state
drm/i915: fix context/engine cleanup order
drm/i915: Handle PipeC fused off on IVB/HSW/BDW
drm/i915/skl: Fix typo in DPLL_CFGCR1 definition
drm/i915: Skip DDI PLL selection for DSI
drm/i915/skl: Explicitly check for eDP in skl_ddi_pll_select()
drm/i915/skl: Don't skip mst encoders in skl_ddi_pll_select()
...
Dave Airlie [Tue, 1 Mar 2016 02:33:33 +0000 (12:33 +1000)]
Merge tag 'drm-amdkfd-next-2016-02-27' of git://people.freedesktop.org/~gabbayo/linux into drm-next
Here are a few amdkfd patches for 4.6.
These patches defer radeon/amdgpu loading in case amdkfd is not yet loaded,
by returning -EPROBE_DEFER during their probing stage.
* tag 'drm-amdkfd-next-2016-02-27' of git://people.freedesktop.org/~gabbayo/linux:
drm/amdgpu: Return -EPROBE_DEFER when amdkfd not loaded
drm/radeon: Return -EPROBE_DEFER when amdkfd not loaded
drm/amdkfd: Track when module's init is complete
Oded Gabbay [Tue, 9 Feb 2016 11:30:12 +0000 (13:30 +0200)]
drm/amdgpu: Return -EPROBE_DEFER when amdkfd not loaded
amdgpu must load only after amdkfd's loading has been completed. If that
is not enforced, then amdgpu's call into amdkfd's functions will cause a
kernel BUG.
When amdgpu and amdkfd are built as kernel modules, that rule is enforced
by the kernel's modules loading mechanism. When amdgpu and amdkfd are
built inside the kernel image, that rule is enforced by ordering in the
drm Makefile (amdkfd before amdgpu).
Instead of using drm Makefile ordering, we can now use deferred loading
as amdkfd now returns -EPROBE_DEFER in kgd2kfd_init() when it is not yet
loaded.
This patch defers amdgpu loading by propagating -EPROBE_DEFER to the
kernel's drivers loading infrastructure. That will put amdgpu into the
pending drivers list (see description in dd.c). Once amdkfd is loaded,
a call to kgd2kfd_init() will return successfully and amdgpu will be able
to load.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Oded Gabbay [Tue, 9 Feb 2016 11:30:04 +0000 (13:30 +0200)]
drm/radeon: Return -EPROBE_DEFER when amdkfd not loaded
radeon must load only after amdkfd's loading has been completed. If that
is not enforced, then radeon's call into amdkfd's functions will cause a
kernel BUG.
When radeon and amdkfd are built as kernel modules, that rule is
enforced by the kernel's modules loading mechanism. When radeon and
amdkfd are built inside the kernel image, that rule is enforced by
ordering in the drm Makefile (amdkfd before radeon).
Instead of using drm Makefile ordering, we can now use deferred
loading as amdkfd now returns -EPROBE_DEFER in kgd2kfd_init() when it is
not yet loaded.
This patch defers radeon loading by propagating -EPROBE_DEFER to the
kernel's drivers loading infrastructure. That will put radeon into the
pending drivers list (see description in dd.c). Once amdkfd is loaded,
a call to kgd2kfd_init() will return successfully and radeon will be
able to load.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Oded Gabbay [Sat, 13 Feb 2016 08:14:07 +0000 (10:14 +0200)]
drm/amdkfd: Track when module's init is complete
Current dependencies between amdkfd and radeon/amdgpu force the loading
of amdkfd _before_ radeon and/or amdgpu are loaded. When all these kernel
drivers are built as modules, this ordering is enforced by the kernel
built-in mechanism of loading dependent modules.
However, there is no such mechanism in case where all these drivers are
compiled inside the kernel image (not as modules). The current way to
enforce loading of amdkfd before radeon/amdgpu, is to put amdkfd before
radeon/amdgpu in the drm Makefile, but that method is way too fragile.
In addition, there is no kernel mechanism to check whether a kernel
driver that is built inside the kernel image, has already been loaded.
To solve this, this patch adds to kfd_module.c a new static variable,
amdkfd_init_completed, that is set to 1 only when amdkfd's
module initialization function has been completed (successfully).
kgd2kfd_init(), which is the initialization function of the
kgd-->kfd interface, and which is the first function in amdkfd called by
radeon/amdgpu, will return successfully only if amdkfd_init_completed is
equal 1.
If amdkfd_init_completed is not equal to 1, kgd2kfd_init() will
return -EPROBE_DEFER to signal radeon/amdgpu they need to defer
their loading until amdkfd is loaded.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Stefan Agner [Fri, 15 Jan 2016 01:24:29 +0000 (17:24 -0800)]
drm/fsl-dcu: fix register initialization
The layer enumeration start with 0 (0-15 for LS1021a and 0-63 for
Vybrid) whereas the register enumeration start from 1 (1-10 for
LS1021a and 1-9 for Vybrid). The loop started off from 0 for both
iterations and initialized the number of layers inclusive, which
is one layer too many.
All extensively written registers seem to be unassigned, it seems
that the write to those registers did not do any harm in practice.
Stefan Agner [Wed, 18 Nov 2015 03:10:29 +0000 (19:10 -0800)]
drm/fsl-dcu: use mode flags for hsync/vsync polarity
The current default configuration is as follows:
- Invert VSYNC signal (active LOW)
- Invert HSYNC signal (active LOW)
The mode flags allow to specify the required polarity per
mode. Furthermore, none of the current driver settings is
actually a standard polarity.
This patch applies the current driver default polarities as
explicit flags to the display which has been introduced with
the driver (NEC WQVGA "nec,nl4827hc19-05b"). The driver now
also parses the flags field and applies the configuration
accordingly, by using the following values as standard
polarities: (e.g. when no flags are specified):
- VSYNC signal not inverted (active HIGH)
- HSYNC signal not inverted (active HIGH)
Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Stefan Agner <stefan@agner.ch>
Stefan Agner [Wed, 18 Nov 2015 22:47:35 +0000 (14:47 -0800)]
drm/fsl-dcu: fix alpha blending
Fix alpha blending by enabling alpha blending for the whole frame if
a color mode with alpha channel is selected (DRM_FORMAT_ARGB*). Also
support color modes without alpha channel (DRM_FORMAT_XRGB*) by just
not enabling alpha blending on layer level.
Stefan Agner [Thu, 19 Nov 2015 01:27:04 +0000 (17:27 -0800)]
drm/fsl-dcu: mask all interrupts on initialization
The state of the interrupt mask register on initialization is
unknown, e.g. U-Boot could already used the DCU. So depending on
the boot loader, the outcome of the interrupt mask register could
be different. A defined state is much more preferable. Also, there
is no value in keeping interrupts enabled which we don't need.
Therefor, mask all interrupts on initialization.
Stefan Agner [Thu, 19 Nov 2015 00:50:55 +0000 (16:50 -0800)]
drm/fsl-dcu: remove regmap return value checks
It is not common to do regmap return value checks, especially not
for memory mapped device. We can rule out most error returns since
the conditions are static and we know they are ok (e.g. offset
aligned to register stride). Also without proper error handling
they are not really valuable for the user. Hence remove most of
them.
The check in the interrupt handler is worth keeping since a
volatile register won't be readable in case register caching is
still enabled.
Stefan Agner [Wed, 18 Nov 2015 02:05:25 +0000 (18:05 -0800)]
drm/fsl-dcu: specify volatile registers
Since we are using cached registers, we need to specify volatile
registers explicitly to avoid reading their value from the cache.
This allows to read the correct interrupt status in fsl_dcu_drm_irq
and clear the asserted bits only.
Dave Airlie [Thu, 25 Feb 2016 00:30:59 +0000 (10:30 +1000)]
Merge branch 'drm/next/du' of git://linuxtv.org/pinchartl/fbdev into drm-next
rcar-du updates.
* 'drm/next/du' of git://linuxtv.org/pinchartl/fbdev: (281 commits)
drm: rcar-du: Add tri-planar memory formats support
drm: rcar-du: Add probe deferral debug messages
drm: rcar-du: lvds: Add R-Car Gen3 support
drm: rcar-du: lvds: Rename PLLEN bit to PLLON
drm: rcar-du: lvds: Fix PLL frequency-related configuration
drm: rcar-du: lvds: Avoid duplication of clock clamp code
drm: rcar-du: Add R8A7795 device support
drm: rcar-du: Output the DISP signal on the ODDF pin
drm: rcar-du: Output the DISP signal on the DISP pin
drm: rcar-du: Support up to 4 CRTCs
drm: rcar-du: Drop LVDS double dependency on OF
drm: rcar-du: Enable compilation on ARM64
drm: rcar-du: Fix compile warning on 64-bit platforms
drm: rcar-du: Expose the VSP1 compositor through KMS planes
drm: rcar-du: Move plane allocator to rcar_du_plane.c
drm: rcar-du: Restart the DU group when a plane source changes
drm: rcar-du: Add VSP1 compositor support
drm: rcar-du: Add VSP1 support to the planes allocator
drm: rcar-du: Refactor plane setup
drm: rcar-du: Compute plane DDCR4 register value directly
...
drm: rcar-du: Output the DISP signal on the ODDF pin
The ODDF signal, output by default on the ODDF pin, isn't used on any
board supported in the kernel. As the Gen3 Salvator-X board uses the
ODDF pin as a DISP signal, hardcode that configuration in the driver.
Use of the ODDF signal will be implemented later through proper DT-based
configuration of the DU pins.
drm: rcar-du: Output the DISP signal on the DISP pin
The DE signal is currently configured to be identical to the DISP
signal and is used for the same purpose. To make it clearer that the
DISP pin outputs the DISP signal, select it explicitly.
drm: rcar-du: Expose the VSP1 compositor through KMS planes
On R-Car Gen3 SoCs the DU lost its ability to access memory directly and
needs to work in conjunction with the VSP to do so. This commit handles
the VSP internally to hide it from the user.
Laurent Pinchart [Sat, 24 Aug 2013 00:17:03 +0000 (02:17 +0200)]
drm: rcar-du: Restart the DU group when a plane source changes
Plane sources are configured by the VSPS bit in the PnDDCR4 register.
Although the datasheet states that the bit is updated during vertical
blanking, it seems that updates only occur when the DU group is held in
reset through the DSYSR.DRES bit. Restart the group if the source
changes.
Laurent Pinchart [Fri, 21 Jun 2013 15:36:15 +0000 (17:36 +0200)]
drm: rcar-du: Add VSP1 support to the planes allocator
The R8A7790 DU can source frames directly from the VSP1 devices VSPD0
and VSPD1. VSPD0 feeds DU0/1 plane 0, and VSPD1 feeds either DU2 plane 0
or DU0/1 plane 1.
Allocate the correct fixed plane when sourcing frames from VSPD0 or
VSPD1, and allocate planes in reverse index order otherwise to ensure
maximum availability of planes 0 and 1.
Rename plane setup functions using more explicit names, and use local
variables to store intermediate values to increase readability. This
also prepares for VSP compositor support.
drm: rcar-du: Don't update planes on disabled CRTCs
A disabled CRTC can't display planes, the driver shouldn't try to
configure it when updating planes. The DRM core will store the plane
state for us, and the plane will be configured appropriately the next
time the CRTC is enabled.
Laurent Pinchart [Sun, 24 Jan 2016 22:28:11 +0000 (00:28 +0200)]
drm: rcar-du: Remove local CRTC enabled state
The atomic framework guarantees that the CRTC enable and disable
functions will only be called when needed, there's no need to duplicate
the CRTC state check. By replacing the local CRTC enabled state check at
resume time with the CRTC active state we can remove the local CRTC
enabled state altogether.
drm: rcar-du: Perform initialization/cleanup at probe/remove time
The drm driver .load() operation is prone to race conditions as it
initializes the driver after registering the device nodes. Its usage is
deprecated, inline it in the probe function and call drm_dev_alloc() and
drm_dev_register() explicitly.
For consistency inline the .unload() handler in the remove function as
well.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/media/platform/vsp1/vsp1_drm.c:47:5: warning: no previous prototype for 'vsp1_du_init' [-Wmissing-prototypes]
int vsp1_du_init(struct device *dev)
^
drivers/media/platform/vsp1/vsp1_drm.c:76:5: warning: no previous prototype for 'vsp1_du_setup_lif' [-Wmissing-prototypes]
int vsp1_du_setup_lif(struct device *dev, unsigned int width,
^
drivers/media/platform/vsp1/vsp1_drm.c:221:6: warning: no previous prototype for 'vsp1_du_atomic_begin' [-Wmissing-prototypes]
void vsp1_du_atomic_begin(struct device *dev)
^
drivers/media/platform/vsp1/vsp1_drm.c:273:5: warning: no previous prototype for 'vsp1_du_atomic_update' [-Wmissing-prototypes]
int vsp1_du_atomic_update(struct device *dev, unsigned int rpf_index,
^
drivers/media/platform/vsp1/vsp1_drm.c:451:6: warning: no previous prototype for 'vsp1_du_atomic_flush' [-Wmissing-prototypes]
void vsp1_du_atomic_flush(struct device *dev)
^
[media] v4l: vsp1: Configure device based on IP version
The IP version number carries enough information to identify the exact
device instance features. Drop the related DT properties and use the IP
version instead.
Display lists contain lists of registers and associated values to be
applied atomically by the hardware. They lower the pressure on interrupt
processing delays when reprogramming the device as settings can be
prepared well in advance and queued to the hardware without waiting for
the end of the current frame.
Display list support is currently limited to the DRM pipeline.
[media] v4l: vsp1: Implement atomic update for the DRM driver
Add two API functions named vsp1_du_atomic_begin() and
vsp1_du_atomic_flush() to signal the start and end of an atomic update.
The vsp1_du_setup_rpf() function is renamed to vsp1_du_atomic_update()
for consistency.
With this new API, the driver will reprogram all modified inputs
atomically before restarting the video stream.
Implement internal control of the VSP pipeline to be used by the DU
DRM/KMS driver when using the VSP as an internal composer handled
through DRM/KMS only.
[media] v4l: vsp1: Don't validate links when the userspace API is disabled
As the pipeline is configured internally by the driver when the
userspace API is disabled its configuration can be trusted and link
validation isn't needed.
[media] v4l: vsp1: Set the alpha value manually in RPF and WPF s_stream handlers
The RPF and WPF alpha values are set through V4L2 controls and applied
when starting the video stream by a call to v4l2_ctrl_handler_setup().
As that function uses the control handler mutex it can't be called in
interrupt context, where the VSP+DU pipeline handler might need to
reconfigure the pipeline.
Set the alpha value manually in the RPF and WPF s_stream handler to
ensure that the hardware is properly configured even when controlled
without the userspace API. If the userspace API is enabled protect that
with the control lock to avoid race conditions with userspace.
[media] v4l: vsp1: Make pipeline inputs array index by RPF index
The pipeline inputs array stores pointers to all RPFs contained in the
pipeline. It's currently indexed contiguously by adding RPFs in the
order they are found during graph walk. This can't easily support
dynamic addition and removal of RPFs while streaming, which will be
required for combined VSP+DU support.
Make the array indexed by RPF index instead and skip NULL elements when
iterating over RPFs.
[media] v4l: vsp1: Make the userspace API optional
The R-Car Gen3 SoCs include VSP instances dedicated to the DU that will
be controlled entirely by the rcar-du-drm driver through the KMS API. To
support that use case make the userspace V4L2 API optional.
Laurent Pinchart [Fri, 14 Aug 2015 16:53:45 +0000 (13:53 -0300)]
[media] v4l: vsp1: Make the BRU optional
Not all VSP instances have a BRU on R-Car Gen3, make it optional. Set
the feature unconditionally for now, this will be fixed when adding Gen3
support.
[media] v4l: vsp1: Make number of BRU inputs configurable
The R-Car Gen3 family has 5-inputs BRUs, support them by making the
number of BRU inputs configurable.
As the driver assumes that the number of BRU inputs is equal to the
number of RPFs, replace the BRU_MAX_INPUTS macro with VSP1_MAX_RPF to
make the assumption apparent.
[media] v4l: vsp1: Set the SRU CTRL0 register when starting the stream
Commit 58f896d859ce ("[media] v4l: vsp1: sru: Make the intensity
controllable during streaming") refactored the stream start code and
removed the SRU CTRL0 register write by mistake. Add it back.
Fixes: 58f896d859ce ("[media] v4l: vsp1: sru: Make the intensity controllable during streaming") Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
[media] v4l: vsp1: Decouple pipeline end of frame processing from vsp1_video
To make the pipeline structure and operations usable without video
devices the frame end processing must be decoupled from struct
vsp1_video. Implement this by calling the video frame end function
indirectly through a function pointer in struct vsp1_pipeline.
[media] v4l: vsp1: Make rwpf operations independent of video device
The rwpf queue operation doesn't queue a buffer but sets the memory
address for the next run. Rename it to set_memory and pass it a new
structure independent of the video buffer than only contains memory
information.
[media] v4l: vsp1: Move video device out of struct vsp1_rwpf
To make the video device nodes optional we need to decouple the [rw]pf
instances from the video devices. Move video devices out of struct
vsp1_rwpf and instantiate them dynamically in the core driver code.
[media] v4l: vsp1: Change the type of the rwpf field in struct vsp1_video
The rwpf field contains a pointer to the rpf or wpf associated with the
video node. Instead of storing it as a vsp1_entity, store the
corresponding vsp1_rwpf pointer to allow accessing the vsp1_rwpf fields
directly.
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