diff options
| author | Dave Airlie <airlied@redhat.com> | 2016-09-21 06:28:25 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2016-09-21 06:28:25 +1000 |
| commit | 52f13a02b7d5f26feb69bf955bef10fbfaafbd7c (patch) | |
| tree | 512fcb6f6a79ff37d10cdc5cab0c9341128a7ba5 | |
| parent | 26e34d2d8ba7aca0fe86e5362ce5811749df77b2 (diff) | |
| parent | e0dc7c837dd0f514abce47101c04ce0ce243188e (diff) | |
Merge branch 'for-next' of http://git.agner.ch/git/linux-drm-fsl-dcu into drm-next
fsl-dcu fixes.
* 'for-next' of http://git.agner.ch/git/linux-drm-fsl-dcu:
drm/fsl-dcu: disable clock on error path
drm/fsl-dcu: use PTR_ERR_OR_ZERO() to simplify the code
drm/fsl-dcu: fix endian issue when using clk_register_divider
| -rw-r--r-- | drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/fsl-dcu/fsl_tcon.c | 5 |
2 files changed, 11 insertions, 6 deletions
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c index 7882387f9bff..092aaecc7482 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c @@ -270,7 +270,7 @@ static int fsl_dcu_drm_pm_resume(struct device *dev) ret = clk_prepare_enable(fsl_dev->pix_clk); if (ret < 0) { dev_err(dev, "failed to enable pix clk\n"); - return ret; + goto disable_dcu_clk; } fsl_dcu_drm_init_planes(fsl_dev->drm); @@ -284,6 +284,10 @@ static int fsl_dcu_drm_pm_resume(struct device *dev) enable_irq(fsl_dev->irq); return 0; + +disable_dcu_clk: + clk_disable_unprepare(fsl_dev->clk); + return ret; } #endif @@ -330,6 +334,7 @@ static int fsl_dcu_drm_probe(struct platform_device *pdev) const char *pix_clk_in_name; const struct of_device_id *id; int ret; + u8 div_ratio_shift = 0; fsl_dev = devm_kzalloc(dev, sizeof(*fsl_dev), GFP_KERNEL); if (!fsl_dev) @@ -382,11 +387,14 @@ static int fsl_dcu_drm_probe(struct platform_device *pdev) pix_clk_in = fsl_dev->clk; } + if (of_property_read_bool(dev->of_node, "big-endian")) + div_ratio_shift = 24; + pix_clk_in_name = __clk_get_name(pix_clk_in); snprintf(pix_clk_name, sizeof(pix_clk_name), "%s_pix", pix_clk_in_name); fsl_dev->pix_clk = clk_register_divider(dev, pix_clk_name, pix_clk_in_name, 0, base + DCU_DIV_RATIO, - 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL); + div_ratio_shift, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL); if (IS_ERR(fsl_dev->pix_clk)) { dev_err(dev, "failed to register pix clk\n"); ret = PTR_ERR(fsl_dev->pix_clk); diff --git a/drivers/gpu/drm/fsl-dcu/fsl_tcon.c b/drivers/gpu/drm/fsl-dcu/fsl_tcon.c index bca09ea24632..3194e544ee27 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_tcon.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_tcon.c @@ -57,10 +57,7 @@ static int fsl_tcon_init_regmap(struct device *dev, tcon->regs = devm_regmap_init_mmio(dev, regs, &fsl_tcon_regmap_config); - if (IS_ERR(tcon->regs)) - return PTR_ERR(tcon->regs); - - return 0; + return PTR_ERR_OR_ZERO(tcon->regs); } struct fsl_tcon *fsl_tcon_init(struct device *dev) |