diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2012-08-23 19:02:42 +0400 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-08-23 19:02:42 +0400 |
| commit | 1e72fe1fca4490474984d6356bbf66e2daa89f73 (patch) | |
| tree | 12d95820cbb2083a6c78cfe550a0f9b20b1246eb /drivers/gpu/drm/radeon/radeon_kms.c | |
| parent | 8a211d362cc94df2bb42323ab13d258650529bec (diff) | |
| parent | a46d2619d7180bda12bad2bf15bbd0731dfc2dcf (diff) | |
| download | linux-1e72fe1fca4490474984d6356bbf66e2daa89f73.tar.xz | |
Merge branch 'imx/fixes-for-3.6' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
* 'imx/fixes-for-3.6' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: dts: imx51-babbage: fix esdhc cd/wp properties
ARM: imx6: spin the cpu until hardware takes it down
ARM i.MX6q: Add virtual 1/3.5 dividers in the LDB clock path
Also updates to Linux 3.6-rc2
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 1d73f16b5d97..414b4acf6947 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -29,6 +29,7 @@ #include "drm_sarea.h" #include "radeon.h" #include "radeon_drm.h" +#include "radeon_asic.h" #include <linux/vga_switcheroo.h> #include <linux/slab.h> @@ -167,17 +168,39 @@ static void radeon_set_filp_rights(struct drm_device *dev, int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { struct radeon_device *rdev = dev->dev_private; - struct drm_radeon_info *info; + struct drm_radeon_info *info = data; struct radeon_mode_info *minfo = &rdev->mode_info; - uint32_t *value_ptr; - uint32_t value; + uint32_t value, *value_ptr; + uint64_t value64, *value_ptr64; struct drm_crtc *crtc; int i, found; - info = data; + /* TIMESTAMP is a 64-bit value, needs special handling. */ + if (info->request == RADEON_INFO_TIMESTAMP) { + if (rdev->family >= CHIP_R600) { + value_ptr64 = (uint64_t*)((unsigned long)info->value); + if (rdev->family >= CHIP_TAHITI) { + value64 = si_get_gpu_clock(rdev); + } else { + value64 = r600_get_gpu_clock(rdev); + } + + if (DRM_COPY_TO_USER(value_ptr64, &value64, sizeof(value64))) { + DRM_ERROR("copy_to_user %s:%u\n", __func__, __LINE__); + return -EFAULT; + } + return 0; + } else { + DRM_DEBUG_KMS("timestamp is r6xx+ only!\n"); + return -EINVAL; + } + } + value_ptr = (uint32_t *)((unsigned long)info->value); - if (DRM_COPY_FROM_USER(&value, value_ptr, sizeof(value))) + if (DRM_COPY_FROM_USER(&value, value_ptr, sizeof(value))) { + DRM_ERROR("copy_from_user %s:%u\n", __func__, __LINE__); return -EFAULT; + } switch (info->request) { case RADEON_INFO_DEVICE_ID: @@ -337,7 +360,7 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) return -EINVAL; } if (DRM_COPY_TO_USER(value_ptr, &value, sizeof(uint32_t))) { - DRM_ERROR("copy_to_user\n"); + DRM_ERROR("copy_to_user %s:%u\n", __func__, __LINE__); return -EFAULT; } return 0; |