From 8379e4823d04e2552e1395c2410fc16733e28c6e Mon Sep 17 00:00:00 2001 From: Seung-Woo Kim Date: Mon, 23 Apr 2012 20:30:13 +0900 Subject: [PATCH] drm/exynos: fixed wrong pageflip finish event for interlace mode Pageflip finish event for interlace mode has bug on checking top field vsync because of comparing between dma address converted by start coordinates and non-converted dma address. Signed-off-by: Seung-Woo Kim Signed-off-by: Kyungmin Park Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_mixer.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 2f6727a..3bc01a6 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -886,7 +886,7 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) struct exynos_drm_hdmi_context *drm_hdmi_ctx = arg; struct mixer_context *ctx = drm_hdmi_ctx->ctx; struct mixer_resources *res = &ctx->mixer_res; - u32 val, val_base; + u32 val, base, shadow; spin_lock(&res->reg_slock); @@ -897,12 +897,14 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg) if (val & MXR_INT_STATUS_VSYNC) { /* interlace scan need to check shadow register */ if (ctx->interlace) { - val_base = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(0)); - if (ctx->win_data[0].dma_addr != val_base) + base = mixer_reg_read(res, MXR_GRAPHIC_BASE(0)); + shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(0)); + if (base != shadow) goto out; - val_base = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(1)); - if (ctx->win_data[1].dma_addr != val_base) + base = mixer_reg_read(res, MXR_GRAPHIC_BASE(1)); + shadow = mixer_reg_read(res, MXR_GRAPHIC_BASE_S(1)); + if (base != shadow) goto out; } -- 2.7.4