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Describe capabilities of the HLCDC IP found on at91sam9x5 SoCs and add a
new entry to the atmel_hlcdc_of_match table.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
The atmel-hlcdc driver already supports atomic operations, add the
missing DRM_ATOMIC flag to expose the atomic features to userspace.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
drm_vblank_on() now warns on nested use or if vblank is not properly
initialized. This patch fixes Atmel HLCDC vblank initial state.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reported-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Unfortunately we used the enabled flag in struct drm_crtc instead of the
enabled flag in struct atmel_hlcdc_crtc. This obviously leads to
discrepancies on crtc enable state.
This patch fixes the issue by using the struct atmel_hlcdc_crtc enabled
flag in PM support.
Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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Merge tag 'v4.0-rc3' into drm-next
Linux 4.0-rc3 backmerge to fix two i915 conflicts, and get
some mainline bug fixes needed for my testing box
Conflicts:
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/intel_display.c
Remove a useless pm_runtime_put_sync leading to unbalanced
usage_count.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reported-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
On suspend: switch off CRTC if not already suspended with runtime PM
On resume: switch on CRTC if we were not already suspended from runtime
PM while suspending.
Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Convert the HLCDC driver to atomic mode-setting.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
The Atmel HLCDC (HLCD Controller) IP available on some Atmel SoCs (i.e.
at91sam9n12, at91sam9x5 family or sama5d3 family) provides a display
controller device.
This display controller supports at least one primary plane and might
provide several overlays and an hardware cursor depending on the IP
version.
At the moment, this driver only implements an RGB connector to interface
with LCD panels, but support for other kind of external devices might be
added later.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Tested-by: Anthony Harivel <anthony.harivel@emtrion.de>
Tested-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
