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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.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Joonyoung Shim 2014-11-17 22:00:08 +09:00 committed by Inki Dae
parent 3c3c9c1d90
commit 9b67eb7365
1 changed files with 7 additions and 7 deletions
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14
drivers/gpu/drm/exynos/exynos_drm_fimd.c
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@ -949,6 +949,13 @@ 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);
@ -969,13 +976,6 @@ static void fimd_te_handler(struct exynos_drm_manager *mgr)
if (ctx->pipe < 0 || !ctx->drm_dev)
return;
/*
* Skips to trigger if in triggering state, because multiple triggering
* requests can cause panel reset.
*/
if (atomic_read(&ctx->triggering))
return;
/*
* If there is a page flip request, triggers and handles the page flip
* event so that current fb can be updated into panel GRAM.