diff options
| author | Hemant Hariyani <hemanthariyani@ti.com> | 2011-05-31 09:25:15 +0100 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2011-05-31 11:06:48 +0100 |
| commit | 33e9ca458389571aa6034f6150062fc1236494cd (patch) | |
| tree | 820d3486cfa6bf8896b7b41570a2fda733116198 | |
| parent | 3bd0715c687b3f86a142d8fb6e535811ed52085d (diff) | |
OMAP4: SGX-KM: Fix VCore3 scaling issue
SGX driver was holding its clocks at 307 MHz and this would
prevent scaling OPP down. This patch fixes this and sets
SGX clock speed to 307 and 0 during Active Power Management
transitions.
Change-Id: I034927b9b94125ef388ab7d6e8bcc7e2615573b0
Signed-off-by: Hemant Hariyani <hemanthariyani@ti.com>
| -rw-r--r-- | drivers/gpu/pvr/omap4/sysconfig.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/pvr/omap4/sysutils_linux.c | 10 |
2 files changed, 10 insertions, 9 deletions
diff --git a/drivers/gpu/pvr/omap4/sysconfig.c b/drivers/gpu/pvr/omap4/sysconfig.c index 5c82be77d46..0851c48736d 100644 --- a/drivers/gpu/pvr/omap4/sysconfig.c +++ b/drivers/gpu/pvr/omap4/sysconfig.c @@ -34,10 +34,6 @@ #include "ocpdefs.h" -#if defined(LDM_PLATFORM) && !defined(PVR_DRI_DRM_NOT_PCI) -#include <plat/omap_device.h> -#endif - SYS_DATA* gpsSysData = (SYS_DATA*)IMG_NULL; SYS_DATA gsSysData; @@ -427,11 +423,6 @@ PVRSRV_ERROR SysInitialise(IMG_VOID) psDeviceNode = psDeviceNode->psNext; } -#if defined(LDM_PLATFORM) && !defined(PVR_DRI_DRM_NOT_PCI) - omap_device_set_rate(&gpsPVRLDMDev->dev, - &gpsPVRLDMDev->dev, SYS_SGX_CLOCK_SPEED); -#endif - eError = EnableSystemClocksWrap(gpsSysData); if (eError != PVRSRV_OK) { diff --git a/drivers/gpu/pvr/omap4/sysutils_linux.c b/drivers/gpu/pvr/omap4/sysutils_linux.c index f7c3ac11424..508020adb6a 100644 --- a/drivers/gpu/pvr/omap4/sysutils_linux.c +++ b/drivers/gpu/pvr/omap4/sysutils_linux.c @@ -41,6 +41,11 @@ #include <linux/platform_device.h> #include <linux/pm_runtime.h> +#if defined(LDM_PLATFORM) && !defined(PVR_DRI_DRM_NOT_PCI) +#include <plat/omap_device.h> +#endif + + #define ONE_MHZ 1000000 #define HZ_TO_MHZ(m) ((m) / ONE_MHZ) @@ -153,6 +158,9 @@ PVRSRV_ERROR EnableSGXClocks(SYS_DATA *psSysData) PVR_DPF((PVR_DBG_MESSAGE, "EnableSGXClocks: Enabling SGX Clocks")); #if defined(LDM_PLATFORM) && !defined(PVR_DRI_DRM_NOT_PCI) + omap_device_set_rate(&gpsPVRLDMDev->dev, + &gpsPVRLDMDev->dev, SYS_SGX_CLOCK_SPEED); + { int res = pm_runtime_get_sync(&gpsPVRLDMDev->dev); @@ -198,6 +206,8 @@ IMG_VOID DisableSGXClocks(SYS_DATA *psSysData) PVR_DPF((PVR_DBG_ERROR, "DisableSGXClocks: pm_runtime_put_sync failed (%d)", -res)); } } + omap_device_set_rate(&gpsPVRLDMDev->dev, + &gpsPVRLDMDev->dev, 0); #endif |