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author | Joonyoung Shim <jy0922.shim@samsung.com> | 2014-10-30 13:34:10 +0900 |
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committer | Joonyoung Shim <jy0922.shim@samsung.com> | 2014-10-31 16:31:46 +0900 |
commit | 526c9136929c491bda30f89102ec66e3438b7c88 (patch) | |
tree | 6ceaa582698b57de3a616bbc99283006aa437b95 /drivers/gpu | |
parent | ac871869ca760cb7605ed67be9813649b89f7842 (diff) | |
download | linux-3.10-526c9136929c491bda30f89102ec66e3438b7c88.tar.gz linux-3.10-526c9136929c491bda30f89102ec66e3438b7c88.tar.bz2 linux-3.10-526c9136929c491bda30f89102ec66e3438b7c88.zip |
drm/exynos: move triggering checking
It's better to be checking whether triggerring in fimd_trigger function.
Also it will return if in triggerring on fimd_te_handler, then it can't
execute remain codes.
Change-Id: If8dbcbd139908af330ad59b5d4a66435fe0d77c6
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 37583ae0ab3..16169b06a2b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -957,6 +957,13 @@ static void fimd_trigger(struct device *dev) void *timing_base = ctx->regs + driver_data->timing_base; u32 reg; + /* + * Skips to trigger if in triggering state, because multiple triggering + * requests can cause panel reset. + */ + if (atomic_read(&ctx->triggering)) + return; + atomic_set(&ctx->triggering, 1); reg = readl(ctx->regs + VIDINTCON0); @@ -978,13 +985,6 @@ static int fimd_te_handler(struct exynos_drm_manager *mgr) if (ctx->pipe < 0 || !ctx->drm_dev) return -EINVAL; - /* - * Skips to trigger if in triggering state, because multiple triggering - * requests can cause panel reset. - */ - if (atomic_read(&ctx->triggering)) - return 0; - spin_lock_irqsave(&ctx->win_updated_lock, flags); /* |