diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 28 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreend.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.c | 3 | ||||
| -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/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 973df06..21cbd2e 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1006,6 +1006,34 @@ static void evergreen_init_golden_registers(struct radeon_device *rdev) } } +/** + * evergreen_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 evergreen_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: + case UVD_STATUS: + *val = RREG32(reg); + return 0; + default: + return -EINVAL; + } +} + void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw, unsigned *bankh, unsigned *mtaspect, unsigned *tile_split) diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index a8d1d52..4aa5f75 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -1520,6 +1520,7 @@ #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 f2c3437..0db4ee7 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1344,6 +1344,7 @@ static struct radeon_asic evergreen_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 = evergreen_get_allowed_info_register, .gart = { .tlb_flush = &evergreen_pcie_gart_tlb_flush, .get_page_entry = &rs600_gart_get_page_entry, @@ -1437,6 +1438,7 @@ static struct radeon_asic sumo_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 = evergreen_get_allowed_info_register, .gart = { .tlb_flush = &evergreen_pcie_gart_tlb_flush, .get_page_entry = &rs600_gart_get_page_entry, @@ -1529,6 +1531,7 @@ static struct radeon_asic btc_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 = evergreen_get_allowed_info_register, .gart = { .tlb_flush = &evergreen_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 3e1346d..b632e35 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -548,6 +548,8 @@ struct radeon_fence *evergreen_copy_dma(struct radeon_device *rdev, unsigned num_gpu_pages, struct reservation_object *resv); int evergreen_get_temp(struct radeon_device *rdev); +int evergreen_get_allowed_info_register(struct radeon_device *rdev, + u32 reg, u32 *val); int sumo_get_temp(struct radeon_device *rdev); int tn_get_temp(struct radeon_device *rdev); int cypress_dpm_init(struct radeon_device *rdev); |