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drm/radeon: add get_allowed_info_register for EG/BTC 

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>
This commit is contained in:
Alex Deucher 2014-10-01 09:43:38 -04:00
parent c6d2ac2c36
commit ff609975e1
4 changed files with 34 additions and 0 deletions
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28
drivers/gpu/drm/radeon/evergreen.c
View File

@ -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)

1
drivers/gpu/drm/radeon/evergreend.h
View File

@ -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

3
drivers/gpu/drm/radeon/radeon_asic.c
View File

@ -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,

2
drivers/gpu/drm/radeon/radeon_asic.h
View File

@ -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);