MLK-16075-17 gpu: imx: dpu: fetchdecode: Add helper fetchdecode_need_fetcheco()

This patch adds helper fetchdecode_need_fetcheco() so that users may
check if a fetchdecode needs to use fetcheco for a specific pixel format.

Signed-off-by: Liu Ying <victor.liu@nxp.com>

diff --git a/drivers/gpu/imx/dpu/dpu-fetchdecode.c b/drivers/gpu/imx/dpu/dpu-fetchdecode.c
index bf5bc0c..333adcf 100644 (file)
--- a/drivers/gpu/imx/dpu/dpu-fetchdecode.c
+++ b/drivers/gpu/imx/dpu/dpu-fetchdecode.c
@@ -523,6 +523,27 @@ struct dpu_fetcheco *fetchdecode_get_fetcheco(struct dpu_fetchdecode *fd)
 }
 EXPORT_SYMBOL_GPL(fetchdecode_get_fetcheco);
 
+bool fetchdecode_need_fetcheco(struct dpu_fetchdecode *fd, u32 fmt)
+{
+       struct dpu_fetcheco *fe = fetchdecode_get_fetcheco(fd);
+
+       if (IS_ERR_OR_NULL(fe))
+               return false;
+
+       switch (fmt) {
+       case DRM_FORMAT_NV12:
+       case DRM_FORMAT_NV21:
+       case DRM_FORMAT_NV16:
+       case DRM_FORMAT_NV61:
+       case DRM_FORMAT_NV24:
+       case DRM_FORMAT_NV42:
+               return true;
+       }
+
+       return false;
+}
+EXPORT_SYMBOL_GPL(fetchdecode_need_fetcheco);
+
 struct dpu_hscaler *fetchdecode_get_hscaler(struct dpu_fetchdecode *fd)
 {
        struct dpu_soc *dpu = fd->dpu;

diff --git a/include/video/dpu.h b/include/video/dpu.h
index d1c0949..d099e4f 100644 (file)
--- a/include/video/dpu.h
+++ b/include/video/dpu.h
@@ -497,6 +497,7 @@ void fetchdecode_controltrigger(struct dpu_fetchdecode *fd, bool trigger);
 int fetchdecode_fetchtype(struct dpu_fetchdecode *fd, fetchtype_t *type);
 shadow_load_req_t fetchdecode_to_shdldreq_t(struct dpu_fetchdecode *fd);
 u32 fetchdecode_get_vproc_mask(struct dpu_fetchdecode *fd);
+bool fetchdecode_need_fetcheco(struct dpu_fetchdecode *fd, u32 fmt);
 unsigned int fetchdecode_get_stream_id(struct dpu_fetchdecode *fd);
 void fetchdecode_set_stream_id(struct dpu_fetchdecode *fd, unsigned int id);
 struct dpu_fetchdecode *dpu_fd_get(struct dpu_soc *dpu, int id);