diff options
| author | Terje Bergstrom <tbergstrom@nvidia.com> | 2011-08-25 14:30:52 +0300 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:48:46 -0800 |
| commit | 18031080af57b3fdfc5716a4600a5de9ea7877ca (patch) | |
| tree | 33db440472b8f28a5168edb60fed35ea727b29e1 /drivers/video/tegra/host/nvhost_acm.c | |
| parent | 2de5dd8502ca69551f926ba20d738aed4e63ea25 (diff) | |
nvhost: power: Separate module shared clocks
Register clocks that are shared amongst modules (emc, epp) as separate
clocks. This way setting EMC clock for 2D does not interfere with EMC
clock needs for 3D or MPE.
Bug 868554
Original-Change-Id: I5c7dddc8f1d67969865918e577bd24b274d9e897
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/49603
Reviewed-by: Scott Williams <scwilliams@nvidia.com>
Reviewed-by: Aleksandr Frid <afrid@nvidia.com>
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
Rebase-Id: R6d25c0765bbaf73f50568b7438c3b4376befef9b
Diffstat (limited to 'drivers/video/tegra/host/nvhost_acm.c')
| -rw-r--r-- | drivers/video/tegra/host/nvhost_acm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/video/tegra/host/nvhost_acm.c b/drivers/video/tegra/host/nvhost_acm.c index 9fc88f0d0b3f..cb55055a47bd 100644 --- a/drivers/video/tegra/host/nvhost_acm.c +++ b/drivers/video/tegra/host/nvhost_acm.c @@ -38,6 +38,7 @@ #define POWERGATE_DELAY 10 #define HOST_EMC_FLOOR 300000000 +#define MAX_DEVID_LENGTH 16 void nvhost_module_reset(struct nvhost_module *mod) { @@ -433,6 +434,7 @@ static const char *get_module_clk(const char *module, struct nvhost_module_clock_info *info) { const char *clk_id = NULL; + char devname[MAX_DEVID_LENGTH]; info->min_rate = 0; switch (tegra_get_chipid()) { @@ -450,7 +452,8 @@ static const char *get_module_clk(const char *module, if (clk_id == NULL) return NULL; - info->clk = clk_get(dev, clk_id); + snprintf(devname, MAX_DEVID_LENGTH, "tegra_%s", module); + info->clk = clk_get_sys(devname, clk_id); if (IS_ERR_OR_NULL(info->clk)) { clk_id = NULL; return NULL; |