From: Joonyoung Shim jy0922.shim@samsung.com
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 --- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 14 +++++++------- 1 file 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 0673a39..ec2d170 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -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.