diff options
| author | Oded Gabbay <oded.gabbay@gmail.com> | 2015-03-05 15:13:18 +0200 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2015-05-19 12:13:39 +0300 |
| commit | d36b94fcf0c812b04fff483e1b423f7d5042766e (patch) | |
| tree | a624851c1e418530a30a8f97be9df43f86b6fd7e | |
| parent | 1241e0b48f9337320a65560192f53406832eff2c (diff) | |
drm/radeon: Add init interrupt kfd->kgd interface
This patch adds a new interface function to the kfd->kgd interface.
The function is kgd_init_interrupts() and its function is to
initialize a pipe's interrupts.
The function currently enables the timestamp interrupt and the
bad opcode interrupt.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
| -rw-r--r-- | drivers/gpu/drm/amd/include/kgd_kfd_interface.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/cik_reg.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/cikd.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kfd.c | 21 |
4 files changed, 25 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h index dabd94446b7b..4ea21ae88b07 100644 --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h @@ -144,6 +144,8 @@ struct kfd2kgd_calls { int (*init_pipeline)(struct kgd_dev *kgd, uint32_t pipe_id, uint32_t hpd_size, uint64_t hpd_gpu_addr); + int (*init_interrupts)(struct kgd_dev *kgd, uint32_t pipe_id); + int (*hqd_load)(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, uint32_t queue_id, uint32_t __user *wptr); diff --git a/drivers/gpu/drm/radeon/cik_reg.h b/drivers/gpu/drm/radeon/cik_reg.h index f667347d8157..0ec5d53eb6fb 100644 --- a/drivers/gpu/drm/radeon/cik_reg.h +++ b/drivers/gpu/drm/radeon/cik_reg.h @@ -149,6 +149,8 @@ #define KFD_CIK_SDMA_QUEUE_OFFSET 0x200 +#define CPC_INT_CNTL 0xC2D0 + #define CP_HQD_IQ_RPTR 0xC970u #define AQL_ENABLE (1U << 0) #define SDMA0_RLC0_RB_CNTL 0xD400u diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h index 0089d837a8e3..b33ba3b0808b 100644 --- a/drivers/gpu/drm/radeon/cikd.h +++ b/drivers/gpu/drm/radeon/cikd.h @@ -1335,6 +1335,7 @@ # define CNTX_EMPTY_INT_ENABLE (1 << 20) # define PRIV_INSTR_INT_ENABLE (1 << 22) # define PRIV_REG_INT_ENABLE (1 << 23) +# define OPCODE_ERROR_INT_ENABLE (1 << 24) # define TIME_STAMP_INT_ENABLE (1 << 26) # define CP_RINGID2_INT_ENABLE (1 << 29) # define CP_RINGID1_INT_ENABLE (1 << 30) diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c index 3db23007cdf4..813a416db538 100644 --- a/drivers/gpu/drm/radeon/radeon_kfd.c +++ b/drivers/gpu/drm/radeon/radeon_kfd.c @@ -66,7 +66,7 @@ static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid, static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, uint32_t hpd_size, uint64_t hpd_gpu_addr); - +static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id); static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id, uint32_t queue_id, uint32_t __user *wptr); static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd); @@ -89,6 +89,7 @@ static const struct kfd2kgd_calls kfd2kgd = { .program_sh_mem_settings = kgd_program_sh_mem_settings, .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping, .init_pipeline = kgd_init_pipeline, + .init_interrupts = kgd_init_interrupts, .hqd_load = kgd_hqd_load, .hqd_sdma_load = kgd_hqd_sdma_load, .hqd_is_occupied = kgd_hqd_is_occupied, @@ -407,6 +408,24 @@ static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id, return 0; } +static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id) +{ + uint32_t mec; + uint32_t pipe; + + mec = (pipe_id / CIK_PIPE_PER_MEC) + 1; + pipe = (pipe_id % CIK_PIPE_PER_MEC); + + lock_srbm(kgd, mec, pipe, 0, 0); + + write_register(kgd, CPC_INT_CNTL, + TIME_STAMP_INT_ENABLE | OPCODE_ERROR_INT_ENABLE); + + unlock_srbm(kgd); + + return 0; +} + static inline uint32_t get_sdma_base_addr(struct cik_sdma_rlc_registers *m) { uint32_t retval; |