diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2014-10-01 17:51:29 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-03-19 19:26:40 +0300 |
| commit | e66582f9ff2fac4c3fddac4f06ebb0e9623485f5 (patch) | |
| tree | b1af026d87bc0e67399a3e371a76dabc4a2565fd /drivers/gpu | |
| parent | ff609975e1cd8a58ee862fb3188e8b01b935131d (diff) | |
| download | linux-e66582f9ff2fac4c3fddac4f06ebb0e9623485f5.tar.xz | |
drm/radeon: add get_allowed_info_register for cayman/TN
Registers that can be fetched from the info ioctl.
Tested-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 29 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/nid.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.h | 2 |
4 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index dab00812abaa..e8a496ff007e 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -828,6 +828,35 @@ out: return err; } +/** + * cayman_get_allowed_info_register - fetch the register for the info ioctl + * + * @rdev: radeon_device pointer + * @reg: register offset in bytes + * @val: register value + * + * Returns 0 for success or -EINVAL for an invalid register + * + */ +int cayman_get_allowed_info_register(struct radeon_device *rdev, + u32 reg, u32 *val) +{ + switch (reg) { + case GRBM_STATUS: + case GRBM_STATUS_SE0: + case GRBM_STATUS_SE1: + case SRBM_STATUS: + case SRBM_STATUS2: + case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET): + case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET): + case UVD_STATUS: + *val = RREG32(reg); + return 0; + default: + return -EINVAL; + } +} + int tn_get_temp(struct radeon_device *rdev) { u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff; diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h index 6b44580440d0..2e5cdc4e98a1 100644 --- a/drivers/gpu/drm/radeon/nid.h +++ b/drivers/gpu/drm/radeon/nid.h @@ -1086,6 +1086,7 @@ #define UVD_UDEC_DBW_ADDR_CONFIG 0xEF54 #define UVD_RBC_RB_RPTR 0xF690 #define UVD_RBC_RB_WPTR 0xF694 +#define UVD_STATUS 0xf6bc /* * PM4 diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 0db4ee71fa69..37d7cd7c6c46 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1668,6 +1668,7 @@ static struct radeon_asic cayman_asic = { .mc_wait_for_idle = &evergreen_mc_wait_for_idle, .get_xclk = &rv770_get_xclk, .get_gpu_clock_counter = &r600_get_gpu_clock_counter, + .get_allowed_info_register = cayman_get_allowed_info_register, .gart = { .tlb_flush = &cayman_pcie_gart_tlb_flush, .get_page_entry = &rs600_gart_get_page_entry, @@ -1772,6 +1773,7 @@ static struct radeon_asic trinity_asic = { .mc_wait_for_idle = &evergreen_mc_wait_for_idle, .get_xclk = &r600_get_xclk, .get_gpu_clock_counter = &r600_get_gpu_clock_counter, + .get_allowed_info_register = cayman_get_allowed_info_register, .gart = { .tlb_flush = &cayman_pcie_gart_tlb_flush, .get_page_entry = &rs600_gart_get_page_entry, diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index b632e35248b1..dca6bc89bc1c 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -651,6 +651,8 @@ uint32_t cayman_dma_get_wptr(struct radeon_device *rdev, struct radeon_ring *ring); void cayman_dma_set_wptr(struct radeon_device *rdev, struct radeon_ring *ring); +int cayman_get_allowed_info_register(struct radeon_device *rdev, + u32 reg, u32 *val); int ni_dpm_init(struct radeon_device *rdev); void ni_dpm_setup_asic(struct radeon_device *rdev); |