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Done with coccinelle for the most part. It choked on
msm/mdp/mdp5/mdp5_plane.c like so:
"BAD:!!!!! enum drm_plane_type type;"
No idea how to deal with that, so I just fixed that up
by hand.
Also it thinks '...' is part of the semantic patch, so I put an
'int DOTDOTDOT' placeholder in its place and got rid of it with
sed afterwards.
I didn't convert drm_plane_init() since passing the varargs through
would mean either cpp macros or va_list, and I figured we don't
care about these legacy functions enough to warrant the extra pain.
@@
typedef uint32_t;
identifier dev, plane, possible_crtcs, funcs, formats, format_count, type;
@@
int drm_universal_plane_init(struct drm_device *dev,
struct drm_plane *plane,
unsigned long possible_crtcs,
const struct drm_plane_funcs *funcs,
const uint32_t *formats,
unsigned int format_count,
enum drm_plane_type type
+ ,const char *name, int DOTDOTDOT
)
{ ... }
@@
identifier dev, plane, possible_crtcs, funcs, formats, format_count, type;
@@
int drm_universal_plane_init(struct drm_device *dev,
struct drm_plane *plane,
unsigned long possible_crtcs,
const struct drm_plane_funcs *funcs,
const uint32_t *formats,
unsigned int format_count,
enum drm_plane_type type
+ ,const char *name, int DOTDOTDOT
);
@@
expression E1, E2, E3, E4, E5, E6, E7;
@@
drm_universal_plane_init(E1, E2, E3, E4, E5, E6, E7
+ ,NULL
)
v2: Split crtc and plane changes apart
Pass NUL for no-name instead of ""
Leave drm_plane_init() alone
v3: Add ', or NULL...' to @name kernel doc (Jani)
Annotate the function with __printf() attribute (Jani)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1449670795-2853-1-git-send-email-ville.syrjala@linux.intel.com
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Convert the overlay plane to use the generic armada plane worker
infrastructure which is shared with the primary plane.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Both the CRTC and overlay frames have their own wait queues. It would
make more sense if these were part of the plane - the primary plane for
the CRTC and overlay plane for the overlay.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move the locking for armada_drm_vbl_event_remove() into itself, which
makes this function symmetrical with armada_drm_vbl_event_add().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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It is not necessary to write dplane->ctrl0 under the CRTC spinlock, as
this is only accessed under process context where the DRM locks will
protect us instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move the write to clear the DMA enable bit, and augment it with clearing
the graphics enable bit for the primary plane.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Provide a common helper to disable either the overlay or the primary
plane.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Introduce a generic armada_plane struct which will eventually be used
for both the primary and overlay planes.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Use the new drm_universal_plane_init() rather than the legacy
drm_plane_init().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Rather than using a spinlock, use xchg() to atomically update
dplane->old_fb. This allows us to eliminate dplane->lock.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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We have two identical places in the overlay code which retire the drm
framebuffer. Factor these out into a common function.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Include an _ovl infix into the overlay identifiers to separate them from
the primary plane.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fix the start address calculation when overlay is partially off screen.
fb->bits_per_pixel is not set for YUV formats, and is always zero, which
led to the first component always starting at zero.
Use drm_format_plane_cpp() instead.
This also revealed a problem in that YUYV formats toggle the U/V data
for odd pixel start address offsets. We try to rectify that by
toggling the U/V swap, which for the most part works, but seemingly
introduces a flicker for one scan frame of swapped U/V.
However, these changes result in an overall improvement.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Use drm_plane_helper_check_update() rather than our own code to validate
and limit the size of the displayed image. As we are able to support
scaling, permit the full scaling ability.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The Armada overlay plane wasn't being properly cleaned up as it was
missing a call to drm_plane_cleanup(). It also wasn't freeing the
right type of pointer (although we were still freeing the right
pointer value.)
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Nothing was waking up the overlay plane wait queue, so we were fully
reliant on the HZ/25 wait timing out to make progress. Fix the lack
of wake-up.
We were also mis-handling the wait_event_timeout() return value - this
returns an unsigned integer of the remaining time, or zero on timeout
and the condition evaluated false. Checking this for less than zero
is not sane.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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This patch adds support for the pair of LCD controllers on the Marvell
Armada 510 SoCs. This driver supports:
- multiple contiguous scanout buffers for video and graphics
- shm backed cacheable buffer objects for X pixmaps for Vivante GPU
acceleration
- dual lcd0 and lcd1 crt operation
- video overlay on each LCD crt via DRM planes
- page flipping of the main scanout buffers
- DRM prime for buffer export/import
This driver is trivial to extend to other Armada SoCs.
Included in this commit is the core driver with no output support; output
support is platform and encoder driver dependent.
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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