search for: 928d191

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2017 Jun 21
0
[PATCH 1/4] drm/vc4: Allow vblank_disable_immediate on non-fw-kms.
...to approximate old behavior. Signed-off-by: Mario Kleiner <mario.kleiner.de at gmail.com> Cc: Eric Anholt <eric at anholt.net> --- drivers/gpu/drm/vc4/vc4_kms.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index 928d191..70c4e17 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -216,6 +216,10 @@ int vc4_kms_load(struct drm_device *dev) sema_init(&vc4->async_modeset, 1); + /* Set support for vblank irq fast disable, before drm_vblank_init() */ + if (!vc4->firmware_kms...
2017 Jun 21
6
Enable vblank_disable_immediate on more drivers.
This patch series sets dev->vblank_disable_immediate = true on radeon/amdgpu-kms, nouveau-kms for nv50+, and vc4 for the real kms driver (as opposed to dispmanx firmware backed kms). All the drivers should be ready in theory, given their implementation, for fast vblank disable/enable. In practice, i have performed timing tests with my measurement equipment for all those drivers with the