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| author | Fabio Estevam <fabio.estevam@freescale.com> | 2013-06-28 13:55:30 -0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-25 13:33:14 -0700 |
| commit | 6fe9a899edc8c145e6ba6d8217f95cf23932f999 (patch) | |
| tree | 905890e9becb968a3e10f994bd560b9a0f2bc557 /drivers/staging/imx-drm | |
| parent | ded15b5af1f05a57badd7ea5a1428d2fec83a215 (diff) | |
| download | op-kernel-dev-6fe9a899edc8c145e6ba6d8217f95cf23932f999.zip op-kernel-dev-6fe9a899edc8c145e6ba6d8217f95cf23932f999.tar.gz | |
imx-drm: ipu-dp: Introduce IPUV3_NUM_FLOWS
IPUv3 has a total of 3 flows (one synchronous flow and 2 asynchronous flows).
Let's add a definition for such number in order to let the code easier to
understand.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/imx-drm')
| -rw-r--r-- | drivers/staging/imx-drm/ipu-v3/ipu-dp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-dp.c b/drivers/staging/imx-drm/ipu-v3/ipu-dp.c index 6e0e9f1..231afd6 100644 --- a/drivers/staging/imx-drm/ipu-v3/ipu-dp.c +++ b/drivers/staging/imx-drm/ipu-v3/ipu-dp.c @@ -46,6 +46,8 @@ #define DP_COM_CONF_CSC_DEF_BG (2 << 8) #define DP_COM_CONF_CSC_DEF_BOTH (1 << 8) +#define IPUV3_NUM_FLOWS 3 + struct ipu_dp_priv; struct ipu_dp { @@ -67,7 +69,7 @@ struct ipu_dp_priv { struct ipu_soc *ipu; struct device *dev; void __iomem *base; - struct ipu_flow flow[3]; + struct ipu_flow flow[IPUV3_NUM_FLOWS]; struct mutex mutex; int use_count; }; @@ -280,7 +282,7 @@ struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow) struct ipu_dp_priv *priv = ipu->dp_priv; struct ipu_dp *dp; - if (flow > 5) + if ((flow >> 1) >= IPUV3_NUM_FLOWS) return ERR_PTR(-EINVAL); if (flow & 1) @@ -322,7 +324,7 @@ int ipu_dp_init(struct ipu_soc *ipu, struct device *dev, unsigned long base) mutex_init(&priv->mutex); - for (i = 0; i < 3; i++) { + for (i = 0; i < IPUV3_NUM_FLOWS; i++) { priv->flow[i].foreground.foreground = 1; priv->flow[i].base = priv->base + ipu_dp_flow_base[i]; priv->flow[i].priv = priv; |
