diff options
| author | Yuchou Gan <yuchou.gan@nxp.com> | 2018-05-26 00:17:55 +0800 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:41:33 +0300 |
| commit | 2143bf17f4fa70fd20986788091ac8fd3dedf80e (patch) | |
| tree | 4e439ed0481c3b432903502a097ba590bd33fdab /drivers/gpu/imx | |
| parent | 35e90b28412635790274a7ea476d4bb3dbcda065 (diff) | |
MLK-18398 gpu: imx: imx8_dprc: dpu-blit: Wait the dprc idle before disable it
For linear and tiled mixed blit, wait the dprc idle
before disable it in linear blit.
Signed-off-by: Yuchou Gan <yuchou.gan@nxp.com>
Diffstat (limited to 'drivers/gpu/imx')
| -rw-r--r-- | drivers/gpu/imx/dpu-blit/dpu-blit.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/imx/dpu-blit/dpu-blit.c b/drivers/gpu/imx/dpu-blit/dpu-blit.c index ef7162a6dbfa..7df60e0cb8bc 100644 --- a/drivers/gpu/imx/dpu-blit/dpu-blit.c +++ b/drivers/gpu/imx/dpu-blit/dpu-blit.c @@ -110,19 +110,29 @@ void dpu_be_configure_prefetch(struct dpu_bliteng *dpu_be, static bool start = true; static bool need_handle_start; struct dprc *dprc; + static bool tiled_work_unfinished = true; /* Enable DPR, dprc1 is connected to plane0 */ dprc = dpu_be->dprc[1]; + /* + * Waiting for the previous tiled command finished + * before disable the dpr. + */ + if (tiled_work_unfinished) { + dpu_be_wait(dpu_be); + dpu_cs_wait_idle(dpu_be); + udelay(10); + tiled_work_unfinished = false; + } + if (baddr == 0x0) { dprc_disable(dprc); start = true; return; } - dpu_be_wait(dpu_be); - dpu_cs_wait_idle(dpu_be); - udelay(10); + tiled_work_unfinished = true; if (need_handle_start) { dprc_first_frame_handle(dprc); |