leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/amdgpu/gfx9: fullfill kiq irq funcs (v2)

Browse Source 
Fullfill KIQ irq funcs to support kiq interrupt.

v2: squash in adding interrupt src

Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiangliang Yu 2017-02-13 16:49:34 +08:00 committed by Alex Deucher
parent aa6faa44dd
commit 97031e2541
1 changed files with 79 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

79
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
View File

@ -970,6 +970,11 @@ static int gfx_v9_0_sw_init(void *handle)
struct amdgpu_kiq *kiq;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
/* KIQ event */
r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_GRBM_CP, 178, &adev->gfx.kiq.irq);
if (r)
return r;
/* EOP Event */
r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_GRBM_CP, 181, &adev->gfx.eop_irq);
if (r)
@ -2994,6 +2999,72 @@ static int gfx_v9_0_priv_inst_irq(struct amdgpu_device *adev,
return 0;
}
static int gfx_v9_0_kiq_set_interrupt_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *src,
unsigned int type,
enum amdgpu_interrupt_state state)
{
uint32_t tmp, target;
struct amdgpu_ring *ring = (struct amdgpu_ring *)src->data;
BUG_ON(!ring || (ring->funcs->type != AMDGPU_RING_TYPE_KIQ));
if (ring->me == 1)
target = SOC15_REG_OFFSET(GC, 0, mmCP_ME1_PIPE0_INT_CNTL);
else
target = SOC15_REG_OFFSET(GC, 0, mmCP_ME2_PIPE0_INT_CNTL);
target += ring->pipe;
switch (type) {
case AMDGPU_CP_KIQ_IRQ_DRIVER0:
if (state == AMDGPU_IRQ_STATE_DISABLE) {
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCPC_INT_CNTL));
tmp = REG_SET_FIELD(tmp, CPC_INT_CNTL,
GENERIC2_INT_ENABLE, 0);
WREG32(SOC15_REG_OFFSET(GC, 0, mmCPC_INT_CNTL), tmp);
tmp = RREG32(target);
tmp = REG_SET_FIELD(tmp, CP_ME2_PIPE0_INT_CNTL,
GENERIC2_INT_ENABLE, 0);
WREG32(target, tmp);
} else {
tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmCPC_INT_CNTL));
tmp = REG_SET_FIELD(tmp, CPC_INT_CNTL,
GENERIC2_INT_ENABLE, 1);
WREG32(SOC15_REG_OFFSET(GC, 0, mmCPC_INT_CNTL), tmp);
tmp = RREG32(target);
tmp = REG_SET_FIELD(tmp, CP_ME2_PIPE0_INT_CNTL,
GENERIC2_INT_ENABLE, 1);
WREG32(target, tmp);
}
break;
default:
BUG(); /* kiq only support GENERIC2_INT now */
break;
}
return 0;
}
static int gfx_v9_0_kiq_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
u8 me_id, pipe_id, queue_id;
struct amdgpu_ring *ring = (struct amdgpu_ring *)source->data;
BUG_ON(!ring || (ring->funcs->type != AMDGPU_RING_TYPE_KIQ));
me_id = (entry->ring_id & 0x0c) >> 2;
pipe_id = (entry->ring_id & 0x03) >> 0;
queue_id = (entry->ring_id & 0x70) >> 4;
DRM_DEBUG("IH: CPC GENERIC2_INT, me:%d, pipe:%d, queue:%d\n",
me_id, pipe_id, queue_id);
amdgpu_fence_process(ring);
return 0;
}
const struct amd_ip_funcs gfx_v9_0_ip_funcs = {
.name = "gfx_v9_0",
.early_init = gfx_v9_0_early_init,
@ -3114,6 +3185,11 @@ static void gfx_v9_0_set_ring_funcs(struct amdgpu_device *adev)
adev->gfx.compute_ring[i].funcs = &gfx_v9_0_ring_funcs_compute;
}
static const struct amdgpu_irq_src_funcs gfx_v9_0_kiq_irq_funcs = {
.set = gfx_v9_0_kiq_set_interrupt_state,
.process = gfx_v9_0_kiq_irq,
};
static const struct amdgpu_irq_src_funcs gfx_v9_0_eop_irq_funcs = {
.set = gfx_v9_0_set_eop_interrupt_state,
.process = gfx_v9_0_eop_irq,
@ -3139,6 +3215,9 @@ static void gfx_v9_0_set_irq_funcs(struct amdgpu_device *adev)
adev->gfx.priv_inst_irq.num_types = 1;
adev->gfx.priv_inst_irq.funcs = &gfx_v9_0_priv_inst_irq_funcs;
adev->gfx.kiq.irq.num_types = AMDGPU_CP_KIQ_IRQ_LAST;
adev->gfx.kiq.irq.funcs = &gfx_v9_0_kiq_irq_funcs;
}
static void gfx_v9_0_set_rlc_funcs(struct amdgpu_device *adev)