diff options
Diffstat (limited to 'drivers/gpu/imx')
| -rw-r--r-- | drivers/gpu/imx/ipu-v3/ipu-ic.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/imx/ipu-v3/ipu-pre.c | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/imx/ipu-v3/ipu-ic.c b/drivers/gpu/imx/ipu-v3/ipu-ic.c index 321eb983c2f5..65d7daf944b0 100644 --- a/drivers/gpu/imx/ipu-v3/ipu-ic.c +++ b/drivers/gpu/imx/ipu-v3/ipu-ic.c @@ -256,7 +256,7 @@ static int init_csc(struct ipu_ic *ic, writel(param, base++); param = ((a[0] & 0x1fe0) >> 5) | (params->scale << 8) | - (params->sat << 9); + (params->sat << 10); writel(param, base++); param = ((a[1] & 0x1f) << 27) | ((c[0][1] & 0x1ff) << 18) | diff --git a/drivers/gpu/imx/ipu-v3/ipu-pre.c b/drivers/gpu/imx/ipu-v3/ipu-pre.c index 1d1612e28854..6fd4af647f59 100644 --- a/drivers/gpu/imx/ipu-v3/ipu-pre.c +++ b/drivers/gpu/imx/ipu-v3/ipu-pre.c @@ -102,6 +102,7 @@ struct ipu_pre { void *buffer_virt; bool in_use; unsigned int safe_window_end; + unsigned int last_bufaddr; }; static DEFINE_MUTEX(ipu_pre_list_mutex); @@ -177,6 +178,7 @@ void ipu_pre_configure(struct ipu_pre *pre, unsigned int width, writel(bufaddr, pre->regs + IPU_PRE_CUR_BUF); writel(bufaddr, pre->regs + IPU_PRE_NEXT_BUF); + pre->last_bufaddr = bufaddr; val = IPU_PRE_PREF_ENG_CTRL_INPUT_PIXEL_FORMAT(0) | IPU_PRE_PREF_ENG_CTRL_INPUT_ACTIVE_BPP(active_bpp) | @@ -218,7 +220,11 @@ void ipu_pre_update(struct ipu_pre *pre, unsigned int bufaddr) unsigned short current_yblock; u32 val; + if (bufaddr == pre->last_bufaddr) + return; + writel(bufaddr, pre->regs + IPU_PRE_NEXT_BUF); + pre->last_bufaddr = bufaddr; do { if (time_after(jiffies, timeout)) { |