| Commit message (Collapse) | Author | Age | Files | Lines |
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The utility uses kmap_atomic() instead of vmapping the whole buffer
object. As a result there will be more book-keeping but on some
architectures this will help avoid exhausting vmalloc space and also
avoid expensive TLB flushes.
The blit utility also adds a provision to compute a bounding box of
changed content, which is very useful to optimize presentation speed
of ill-behaved applications that don't supply proper damage regions, and
for page-flips. The cost of computing the bounding box is not that
expensive when done in a cpu-blit utility like this.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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It will be used by vmwgfx cpu blit.
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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Use helpers to perform the kmap_atomic_prot() functionality to
a) Avoid in-function ifdefs that violate the kernel coding policy,
b) Facilitate exporting the functionality.
This commit should not change any functionality.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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Use drm_plane_helper_check_update also for the cursor plane.
Some applications, like gdm on gnome shell still uses cursor front-buffer
like rendering without notifying the kernel. We do need some kind of
noficiation, but work around this for now by updating the cursor image on
every cursor move.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
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Page flip can be slow for vmwgfx in some cases, like need to do surface
copy to different surface or waiting for IN_FENCE_FD. Enabling
nonblocking commits for vmwgfx in case userspace request it.
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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Atomic ioctl can also send the same page flip flags as legacy ioctl.
In those cases also need to send the vblank event to userspace.
vmwgfx does not support flag DRM_MODE_PAGE_FLIP_ASYNC, so this flag is
never expected.
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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The dmabuf_dirty/surface_dirty in case of screen object is moved to
plane atomic update, so that page flip in atomic ioctl also works.
vmwgfx does not support DRM_MODE_PAGE_FLIP_ASYNC, so this flag is never
expected.
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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The function drm_crtc_arm_vblank_event should be used for the driver
which have vblank interrupt support. In case of vmwgfx we do not have
vblank interrupt.
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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When display surface is different than the framebuffer surface, atomic
path do not copy the surface data. This commit moved the code to copy
surface from legacy to atomic path.
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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In case of page flip there is no need to iterate over all display unit
in the function "vmw_kms_helper_dirty". If crtc is available then
dirty commands is performed on that crtc only.
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
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drm-next
Changes this time mostly come down to:
- hook up the DRM GPU scheduler
- prep work for GC7000L support, to be completed in the next cycle
* 'etnaviv/next' of https://git.pengutronix.de/git/lst/linux: (22 commits)
drm/etnaviv: bump HW job limit to 4
drm/etnaviv: etnaviv_sched: Staticize functions when possible
drm/etnaviv: add PTA handling to MMUv2
drm/etnaviv: add function to load the initial PTA state
drm/etnaviv: handle security states
drm/etnaviv: add security handling mode enum
drm/etnaviv: add hardware database
drm/etnaviv: add more minor features fields
drm/etnaviv: update hardware headers from rnndb
drm/etnaviv: add support for slave interface clock
drm/etnaviv: split out and optimize MMU fault dumping
drm/etnaviv: remove the need for a gpu-subsystem DT node
dt-bindings: etnaviv: add slave interface clock
drm/etnaviv: use correct format specifier for size_t
drm/etnaviv: replace hangcheck with scheduler timeout
drm/etnaviv: lock BOs after all other submit work is done
drm/etnaviv: move dependency handling to scheduler
drm/etnaviv: hook up DRM GPU scheduler
drm/etnaviv: track fences by IDR instead of seqno
drm/etnaviv: add missing major features field to debugfs
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The current limit of 2 leads to some GPU idle times, as the usual
IRQ latency leads to up to 3 jobs getting signaled at once with some
standard workloads.
A larger HW job limit might lead to slightly worse QoS, but we accept
that to not sacrifice GPU throughput in the common case.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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etnaviv_sched_dependency() and etnaviv_sched_run_job() are only
used in this file, so make them static.
This fixes the following sparse warnings:
drivers/gpu/drm/etnaviv/etnaviv_sched.c:30:18: warning: symbol 'etnaviv_sched_dependency' was not declared. Should it be static?
drivers/gpu/drm/etnaviv/etnaviv_sched.c:81:18: warning: symbol 'etnaviv_sched_run_job' was not declared. Should it be static?
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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The Page Table Array is a new first level structure above the MTLB
availabale on GPUs with the security feature. Use the PTa to set up
the MMU when the security related states are handled by the kernel driver.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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On GPUs with the security feature the MTLB config is stored in the PTA.
Add a function to trigger the initial PTA load through the FE.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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GPUs with support for the security features need some additional
setup to get the frontend started.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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With the introduction of GPU security we have 3 different modes of
GPU operation:
- GPU core doesn't have security features -> no handling required
- the security related states are handled by the kernel driver
- the security related states are handled by a TrustZone application
Add a enum to differentiate between the different operation modes.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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New versions of the Vivante kernel driver don't trust the hardware feature
bits anymore, but use an internal hardware database. This also includes
more feature fields than are available in hardware.
As we can't trust the hardware feature bits to be correct anymore, we need
to replicate the HWDB in etanviv. For now only the GC7000L as found on
the i.MX8M is supported.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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Newer GPU cores added yet more feature bits. Make room for them and
let userspace query them.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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Update the state HI and common header from rnndb commit
8478eef32fd9 (rnndb: document secure GPU reset bit).
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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The slave interface clock is a clock input found on newer cores to gate
the register interface. For now we simply ungate it when the GPU is in
active state.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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Split out the fault dumping, as this will get more complex in the future.
Also there is no need to read and dump the fault address from MMUs that
didn't signal a fault.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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The module autoloading can be triggered through the GPU core nodes
and the necessary platform device for the DRM toplevel device will
be instantiated on module init.
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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This replaces the etnaviv internal hangcheck logic with the job timeout
handling provided by the DRM scheduler. This simplifies the driver further
and allows to replay jobs after a GPU reset, so only minimal state is lost.
This introduces a user-visible change in that we don't allow jobs to run
indefinitely as long as they make progress anymore, as this introduces
quality of service issues when multiple processes are using the GPU.
Userspace is now responsible to flush jobs in a way that the finish in a
reasonable time, where reasonable is currently defined as less than 500ms.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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Populating objects, adding them to the GPU VM and patching/validating
the command stream might take a lot of CPU time. There is no reason to
hold all object reservations during that time.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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Move the fence dependency handling to the scheduler where it belongs.
Jobs with unsignaled dependencies just get to sit in the scheduler queue
without holding any locks.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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This hooks in the DRM GPU scheduler. No improvement yet, as all the
dependency handling is still done in etnaviv_gem_submit. This just
replaces the actual GPU submit by passing through the scheduler.
Allows to get rid of the retire worker, as this is now driven by the
scheduler.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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This moves away from using the internal seqno as the userspace fence
reference. By moving to a generic ID, we can later replace the internal
fence by something different than the etnaviv seqno fence.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
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This can be useful when dealing with a new GPU core.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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Some architecture ports like ARC don't provide the PHYS_OFFSET symbol.
Define it to 0 in that case, which is the most conservative default in
the usage context of the etnaviv driver.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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Fixes the following sparse warnings:
drivers/gpu/drm/etnaviv/etnaviv_iommu.c:161:39: warning:
symbol 'etnaviv_iommuv1_ops' was not declared. Should it be static?
drivers/gpu/drm/etnaviv/etnaviv_iommu_v2.c:239:39: warning:
symbol 'etnaviv_iommuv2_ops' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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Refresh -misc-next
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-next
omapdrm patches for v4.17
* Fix sparse warnings from omapdrm
* HPD support for DVI connector
* Big cleanup to remove static variables
* tag 'omapdrm-4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (69 commits)
drm/omap: fix compile error when DPI is disabled
drm/omap: fix compile error when debugfs is disabled
drm: omapdrm: displays: panel-dsi-cm: Fix field access before set
drm/omap: cleanup color space conversion
drm/omap: Allow HDMI audio setup even if we do not have video configured
drm/omap: fix maximum sizes
drm/omap: add writeback funcs to dispc_ops
drm/omap: fix scaling limits for WB
drm/omap: fix WB height with interlace
drm/omap: fix WBDELAYCOUNT with interlace
drm/omap: fix WBDELAYCOUNT for HDMI
drm/omap: set WB channel-in in wb_setup()
drm/omap: Add pclk setting case when channel is DSS_WB
drm/omap: dispc: disp_wb_setup to check return code
drm/omap: remove leftover enums
dt-bindings: display: add HPD gpio to DVI connector
drm/omap: add HPD support to connector-dvi
drm/omap: Init fbdev emulation only when we have displays
drm/omap: cleanup fbdev init/free
drm/omap: fix omap_fbdev_free() when omap_fbdev_create() wasn't called
...
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When CONFIG_OMAP2_DSS_DPI is disabled, compilation fails due to:
drivers/gpu/drm/omapdrm/dss/dss.h:388:25: error: conflicting types for ‘port’
struct device_node *port,
^~~~
Fix this by renaming the first parameter correctly.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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When compiling with CONFIG_OMAP2_DSS_DEBUGFS disabled, build fails due
to:
drivers/gpu/drm/omapdrm/dss/dss.c:1474:10: error: ‘dss_debug_dump_clocks’ undeclared (first use in this function); did you mean ‘dispc_dump_clocks’?
dss_debug_dump_clocks, dss);
^~~~~~~~~~~~~~~~~~~~~
dispc_dump_clocks
Fix this by moving the required functions outside #if
defined(CONFIG_OMAP2_DSS_DEBUGFS).
In the long term, we perhaps want to try to get all the debugfs support
left out if debugfs is not enabled.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The driver accesses the ddata->in field before it gets set in the
dsicm_connect() function. Use the local in pointer variable instead.
Fixes: 7877632b4cd0 ("drm: omapdrm: displays: Get panel source at connect time")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The setup code for color space conversion is a bit messy. This patch
cleans it up.
For some reason the TRM uses values in YCrCb order, which is also used
in the current driver, whereas everywhere else it's YCbCr (which also
matches YUV order). This patch changes the tables to use the common
order to avoid confusion.
The tables are split into separate lines, and comments added for
clarity.
WB color conversion registers are similar but different than non-WB, but
the same function was used to write both. It worked fine because the
coef table was adjusted accordingly, but that was rather confusing. This
patch adds a separate function to write the WB values so that the coef
table can be written in an understandable way.
Recalculation also showed that 'bcb' value in yuv-to-rgb conversion had
been rounded wrongly, and it should be 516 instead of 517.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Allow HDMI audio setup even if we do not have video configured. Audio
will get configured at the same time with video if the video is
configured soon enough. If it is not the audio DMA will timeout in
couple of seconds and audio playback will be aborted.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We define max width and height in mode_config to 2048. These maximums
affect many things, which are independent and depend on platform. We
need to do more fine grained checks in the code paths for each
component, and so the maximum values in mode_config should just be "big
enough" to cover all use cases.
Change the maximum width & height to 8192.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add writeback specific dispc functions to dispc_ops so that omapdrm can
use them. Also move 'enum dss_writeback_channel' to the public
omapdss.h for omapdrm.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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WB has additional scaling limits when the output color format is one of
the YUV formats. These limits are not handled at the moment, causing
bad scaling and/or NULL dereference crash.
This patchs adds the check so that dispc returns an error for bad
scaling request.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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When using WB capture from interlaced source, we need to halve the
picture heights correctly.
Unfortunately the current dispc_ovl_setup_common() doesn't deal with
interlace very neatly, so the end result is a bit messy.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Benoit Parrot <bparrot@ti.com>
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Vertical blanking needs to be halved on interlace modes. WBDELAYCOUNT
was calculated without such halving, resulting in WBUNCOMPLETE errors.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Benoit Parrot <bparrot@ti.com>
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For HDMI, WBDELAYCOUNT starts counting at the start of vsync, not at the
start of vfp.
This patch adjusts the wbdelay for HDMI accordingly.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We need to know the WB channel-in in wb_setup() to be able to configure
WB properly for capture mode. At the moment channel-in is set
separately.
This patch moves channel-in to wb_setup().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In dispc_set_ovl_common() we need to initialize pclk to a valid
value when we use WB in capture mode (i.e. mem_2_mem is false).
Otherwise dispc_ovl_calc_scaling() fails.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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When dispc_wb_setup() calls dispc_ovl_setup_common() it does not
check for failure but instead keeps on partially setting up WB.
This causes the WB H/W to be partially initialized and yield
unexpected behavior.
Make sure return code is successful before proceeding.
Signed-off-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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A few enums are not used anywhere, so remove them.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add HPD support to the DVI connector driver. The code is almost
identical to the HPD code in the HDMI connector driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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