drm/i915: Add .get_hw_state() method for planes

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commit d87ce76402 upstream.

Add a .get_hw_state() method for planes, returning true or false
depending on whether the plane is enabled. Use it to rewrite the
plane enabled/disabled asserts in platform agnostic fashion.

We do lose the pre-gen4 plane<->pipe mapping checks, but since we're
supposed sanitize that anyway it doesn't really matter.

v2: Reoder patches to not depend on enum old_plane_id
    Just call assert_plane_disabled() from assert_planes_disabled()
v3: Deal with disabled power wells in .get_hw_state()
v4: Rebase due skl primary plane code removal

Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alex Villacís Lasso <alexvillacislasso@hotmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> #v2
Tested-by: Thierry Reding <thierry.reding@gmail.com> #v2
Link: https://patchwork.freedesktop.org/patch/msgid/20171117191917.11506-2-ville.syrjala@linux.intel.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
(cherry picked from commit 51f5a09639)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Ville Syrjälä 2017-11-17 21:19:08 +02:00 • committed by Greg Kroah-Hartman

parent d9c3131f2a

commit 19d8e5122f

3 changed files with 175 additions and 98 deletions

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188

drivers/gpu/drm/i915/intel_display.c

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2

drivers/gpu/drm/i915/intel_drv.h

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83

drivers/gpu/drm/i915/intel_sprite.c

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