diff options
Diffstat (limited to 'drivers/gpu/ipu-v3/ipu-pre.c')
| -rw-r--r-- | drivers/gpu/ipu-v3/ipu-pre.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/gpu/ipu-v3/ipu-pre.c b/drivers/gpu/ipu-v3/ipu-pre.c index c55563379e2e..c35f74c83065 100644 --- a/drivers/gpu/ipu-v3/ipu-pre.c +++ b/drivers/gpu/ipu-v3/ipu-pre.c @@ -131,8 +131,6 @@ int ipu_pre_get(struct ipu_pre *pre) if (pre->in_use) return -EBUSY; - clk_prepare_enable(pre->clk_axi); - /* first get the engine out of reset and remove clock gating */ writel(0, pre->regs + IPU_PRE_CTRL); @@ -149,12 +147,7 @@ int ipu_pre_get(struct ipu_pre *pre) void ipu_pre_put(struct ipu_pre *pre) { - u32 val; - - val = IPU_PRE_CTRL_SFTRST | IPU_PRE_CTRL_CLKGATE; - writel(val, pre->regs + IPU_PRE_CTRL); - - clk_disable_unprepare(pre->clk_axi); + writel(IPU_PRE_CTRL_SFTRST, pre->regs + IPU_PRE_CTRL); pre->in_use = false; } @@ -249,6 +242,8 @@ static int ipu_pre_probe(struct platform_device *pdev) if (!pre->buffer_virt) return -ENOMEM; + clk_prepare_enable(pre->clk_axi); + pre->dev = dev; platform_set_drvdata(pdev, pre); mutex_lock(&ipu_pre_list_mutex); @@ -268,6 +263,8 @@ static int ipu_pre_remove(struct platform_device *pdev) available_pres--; mutex_unlock(&ipu_pre_list_mutex); + clk_disable_unprepare(pre->clk_axi); + if (pre->buffer_virt) gen_pool_free(pre->iram, (unsigned long)pre->buffer_virt, IPU_PRE_MAX_WIDTH * IPU_PRE_NUM_SCANLINES * 4); |