At the end of the function we expect "status" to be zero, but it's
either -EINVAL or uninitialized.
Fixes: 788bf83db3 ('drm/amdkfd: Add wave control operation to debugger')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This pull request covers what's left for 4.6. Notably, it includes a
significant 3D performance improvement and a fix to HDMI hotplug
detection for the Pi2/3.
* tag 'drm-vc4-next-2016-03-14' of github.com:anholt/linux:
drm/vc4: Recognize a more specific compatible string for V3D.
dt-bindings: Add binding docs for V3D.
drm/vc4: Return -EFAULT on copy_from_user() failure
drm/vc4: Respect GPIO_ACTIVE_LOW on HDMI HPD if set in the devicetree.
drm/vc4: Let gpiolib know that we're OK with sleeping for HPD.
drm/vc4: improve throughput by pipelining binning and rendering jobs
Pull dma_*_writecombine rename from Ingo Molnar:
"Rename dma_*_writecombine() to dma_*_wc()
This is a tree-wide API rename, to move the dma_*() write-combining
APIs closer in name to their usual API families. (The old API names
are kept as compatibility wrappers to not introduce extra breakage.)
The patch was Coccinelle generated"
* 'mm-pat-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
dma, mm/pat: Rename dma_*_writecombine() to dma_*_wc()
The ring index will always collide as hash into the fence list, so use
the context number instead. That can still cause collisions, but they
are less likely than using ring indices.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Simplify the control flow of si_tiling_mode_table_init() similar to how
it was done in gfx_v7_0.c and gfx_v8_0.c.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Simplify the control flow of cik_tiling_mode_table_init() similar to how
it was done in gfx_v7_0.c and gfx_v8_0.c.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
With the updated MMU notifier we should also be able to
handle the writeback case correctly.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
On vmware there is a daemon telling the KMS system about the GUI layout.
Typically it talks to the X server but in the absence of an X server or if
there are multiple, it wants to talk directly to the vmwgfx kernel module.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Make sure drm clients (mostly the X server) are communicated the current
layout when switched in.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Enables using multiple framebuffers. For legacy display units,
explicit crtc placement is not supported due to hardware limitations.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Base the cursor position on the coordinate of the crtc origin in the
gui coordinate system rather than in the framebuffer coordinate system.
With explicit placement, these may differ (for example when two crtcs
scan out of the same framebuffer location).
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Introduced by qxl, add these properties as a generic way to tell a
display manager about the GUI layout.
Also add the hotplug_mode_update_property which advises display managers to
reread the mode list on a hotplug event.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Just like for screen objects, make sure we use only a single framebuffer
for implicit placement.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Preparation for supporting explicit fbs for screen objects and screen
targets.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Gnome-Shell / Wayland assumes that page-flips can be done on a crtc
regardless of framebuffer size and the crtc position within the
framebuffer.
Therefore rework the screen target code to correctly handle changes in
framebuffer size and content_fb_type. Also make sure that we update
the screen target correctly when the content_fb_type is not
SAME_AS_DISPLAY.
This commit breaks out the framebuffer binding code from crtc_set so it
can be used both from page_flip() and crtc_set() and reworks those
functions a bit to be more robust.
v2: Address review comments by Sinclair Yeh.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
For page flips the framebuffer may be much larger than the crtc
scanout area and may be attached to multiple crtcs.
When flipping a crtc, make sure we dirty only that crtc's area of the
framebuffer.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
If there are no cliprects for a particular crtc, an invalid command would
have been generated. If that's the case, instead ditch the generated
command sequence.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
The Raspberry Pi Foundation's firmware updates are shipping device
trees using the old string, so we'll keep recognizing that as this rev
of V3D. Still, we should use a more specific name in the upstream DT
to clarify which board is being supported, in case we do other revs of
V3D in the future.
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Add a basic clock driver that reuses the GK20A logic.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Make functions/structures that the GM20B driver will reuse public.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Err on the safe side by setting the lowest frequency (and thus voltage)
during device init.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This allows to instanciate drivers that use the same logic as gk20a with
different parameters.
Add a constructor function to allow other chips that inherit from this
clock to easily initialize its members
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
pl_to_div may be done differently depending on the chip. Abstract this
operation so the same logic can be reused for them as well.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This allows us to read them using one single function and will be handy
to the GM20B driver.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Most users are probably not interested in this information.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Only restore the 1:1 divider if it is not set already. Also use the
proper masks for this operation and add a second write as done in the
Android code.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
n_lo is used if we are going to slide. Compute it only if that condition
succeeds to avoid confusion about future usage of this computation.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Fix the mask specified to switch to VCO mode was given as an (incorrect)
immediate value. Although the side-effect happens to be the same, this
is clearly incorrect.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
gk20a_pllg_disable() is only used in the context of gk20a_clk_fini().
Move its body there and rename _gk20a_pllg_enable() and
_gk20a_pllg_disable() to non-underscored versions.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Move some variables declarations to the scope where they are actually
used to make the code easier to follow.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Perform computations in Khz instead of Mhz for better precision.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Add basic GM20B volt driver that reuses the GK20A logic.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Split the constructor function so we can reuse the same logic in other
chips.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
The CVB calculation and voltage setting functions can be reused for the
future chips. So move the declaration to gk20a.h.
Signed-off-by: Vince Hsu <vinceh@nvidia.com>
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
