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d673c02c4b
There's really no reason for anything more: - Calling this while the crtc vblank stuff isn't set up is a driver bug. Those places alrready DRM_ERROR. - Calling this when the crtc is off is either a driver bug (calling drm_crtc_handle_vblank at the wrong time) or a core bug (for anything else). Again, we DRM_ERROR. - EINVAL is checked at higher levels already, and if we'd use struct drm_crtc * instead of (dev, pipe) it would be real obvious that those are again core bugs. The only valid failure mode is crap hardware that couldn't sample a useful timestamp, to ask the core to just grab a not-so-accurate timestamp. Bool is perfectly fine for that. v2: Also fix up the one caller, I lost that in the shuffling (Jani). v3: Fixup commit message (Neil). Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Mario Kleiner <mario.kleiner@tuebingen.mpg.de> Cc: Eric Anholt <eric@anholt.net> Cc: Rob Clark <robdclark@gmail.com> Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian König <christian.koenig@amd.com> Cc: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170509140329.24114-1-daniel.vetter@ffwll.ch |
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