diff options
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_mixer.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 2f6727a4e768..3bc01a6b5e95 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; } |