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authorSeung-Woo Kim <sw0312.kim@samsung.com>2012-04-23 20:30:13 +0900
committerInki Dae <inki.dae@samsung.com>2012-05-17 20:14:23 +0900
commit8379e4823d04e2552e1395c2410fc16733e28c6e (patch)
tree59b1f74409b8a3e89d91b9a6c80e328ad8d3aa1c /drivers/gpu/drm/exynos
parentab27af85e3154380e65a293b893f79ea0416afdf (diff)
downloadblackbird-op-linux-8379e4823d04e2552e1395c2410fc16733e28c6e.tar.gz
blackbird-op-linux-8379e4823d04e2552e1395c2410fc16733e28c6e.zip
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 <sw0312.kim@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos')
-rw-r--r--drivers/gpu/drm/exynos/exynos_mixer.c12
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;
}
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