the orginal formula will caused rdma fifo threshold config overflow Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> --- drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c index 728aaad..8c9371b 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c @@ -167,7 +167,7 @@ void mtk_rdma_config(struct device *dev, unsigned int width, * output threshold to 6 microseconds with 7/6 overhead to * account for blanking, and with a pixel depth of 4 bytes: */ - threshold = width * height * vrefresh * 4 * 7 / 1000000; + threshold = rdma_fifo_size * 7 / 10; reg = RDMA_FIFO_UNDERFLOW_EN | RDMA_FIFO_PSEUDO_SIZE(rdma_fifo_size) | RDMA_OUTPUT_VALID_FIFO_THRESHOLD(threshold); -- 1.8.1.1.dirty _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
