diff options
| author | Joonyoung Shim <jy0922.shim@samsung.com> | 2015-04-06 19:09:37 +0900 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2016-12-14 13:42:38 +0900 |
| commit | 77d20ce0bff08dc74d8e5d69bc5272ccf0d3f0b5 (patch) | |
| tree | 43ff9363aea7a1df48558a1c7d5d6bf168081dc2 | |
| parent | 9bc4c517c8630cb91ce00c0f5b74cb9e545d26a2 (diff) | |
gpu: arm: midgard: register opp table for mali devfreq
This needs to support mali devfreq.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
| -rw-r--r-- | drivers/gpu/arm/midgard/platform/exynos5433/exynos5433.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/gpu/arm/midgard/platform/exynos5433/exynos5433.c b/drivers/gpu/arm/midgard/platform/exynos5433/exynos5433.c index 5b2c2a85d23d..8a8352452789 100644 --- a/drivers/gpu/arm/midgard/platform/exynos5433/exynos5433.c +++ b/drivers/gpu/arm/midgard/platform/exynos5433/exynos5433.c @@ -7,10 +7,9 @@ */ #include <linux/regulator/consumer.h> +#include <linux/pm_opp.h> #include <mali_kbase.h> -/* TODO: support DVFS */ - struct mali_data { struct device *dev; struct regulator *vdd_g3d; @@ -30,29 +29,42 @@ static int exynos5433_platform_init(struct kbase_device *kbdev) /* TODO: check g3d power domain */ + ret = of_init_opp_table(dev); + if (ret < 0) { + dev_err(dev, "failed to get OPP table\n"); + return ret; + } + mali->vdd_g3d = devm_regulator_get(dev, "vdd_g3d"); if (IS_ERR(mali->vdd_g3d)) { dev_err(dev, "Failed to get vdd_g3d regulator\n"); - return PTR_ERR(mali->vdd_g3d); + ret = PTR_ERR(mali->vdd_g3d); + goto err; } /* TODO: check regulator voltage */ ret = regulator_enable(mali->vdd_g3d); if (ret < 0) { dev_err(dev, "Failed to enable vdd_g3d regulator\n"); - return ret; + goto err; } kbdev->platform_context = mali; return 0; + +err: + of_free_opp_table(dev); + return ret; } static void exynos5433_platform_term(struct kbase_device *kbdev) { + struct device *dev = kbdev->dev; struct mali_data *mali = kbdev->platform_context; regulator_disable(mali->vdd_g3d); + of_free_opp_table(dev); kbdev->platform_context = NULL; } |