Messages in this thread | | | From | Robert Beckett <> | Subject | [PATCH v3 0/4] handle vblank when disabling ctc with interrupt disabled (was [PATCH v2] drm/imx: correct order of crtc disable) | Date | Tue, 25 Jun 2019 18:59:11 +0100 |
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Handle vblank event sent to signal crtc disable while the backend vblank interrupt has already been disabled by vblank_disable_fn.
Fixes: a474478642d5 ("drm/imx: fix crtc vblank state regression") Fixes: 68036b08b91bc ("drm/vblank: Do not update vblank count if interrupts are already disabled.") Fixes: 5f2f911578fb ("drm/imx: atomic phase 3 step 1: Use atomic configuration")
Changes since v2: Split up the patch in to smaller pieces. Add warning when about to send bogus vblank event. Update vblank to best guess info during drm_vblank_disable_and_save.
Robert Beckett (4): drm/vblank: warn on sending stale event drm/imx: notify drm core before sending event during crtc disable drm/vblank: estimate vblank while disabling vblank if interrupt disabled drm/imx: only send event on crtc disable if kept disabled
drivers/gpu/drm/drm_vblank.c | 33 +++++++++++++++++++++++++++++++- drivers/gpu/drm/imx/ipuv3-crtc.c | 6 +++--- 2 files changed, 35 insertions(+), 4 deletions(-)
-- 2.18.0
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