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drm/radeon/cik: add support for compute interrupts 

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-04-09 14:26:16 -04:00
parent b07fdd3832
commit 2b0781a60e
1 changed files with 116 additions and 5 deletions
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121
drivers/gpu/drm/radeon/cik.c
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@ -4631,6 +4631,8 @@ int cik_irq_set(struct radeon_device *rdev)
{ {
u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE | u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE |
PRIV_INSTR_INT_ENABLE | PRIV_REG_INT_ENABLE; PRIV_INSTR_INT_ENABLE | PRIV_REG_INT_ENABLE;
u32 cp_m1p0, cp_m1p1, cp_m1p2, cp_m1p3;
u32 cp_m2p0, cp_m2p1, cp_m2p2, cp_m2p3;
u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0; u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6; u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
u32 grbm_int_cntl = 0; u32 grbm_int_cntl = 0;
@ -4658,13 +4660,106 @@ int cik_irq_set(struct radeon_device *rdev)
dma_cntl = RREG32(SDMA0_CNTL + SDMA0_REGISTER_OFFSET) & ~TRAP_ENABLE; dma_cntl = RREG32(SDMA0_CNTL + SDMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
dma_cntl1 = RREG32(SDMA0_CNTL + SDMA1_REGISTER_OFFSET) & ~TRAP_ENABLE; dma_cntl1 = RREG32(SDMA0_CNTL + SDMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
cp_m1p0 = RREG32(CP_ME1_PIPE0_INT_CNTL) & ~TIME_STAMP_INT_ENABLE;
cp_m1p1 = RREG32(CP_ME1_PIPE1_INT_CNTL) & ~TIME_STAMP_INT_ENABLE;
cp_m1p2 = RREG32(CP_ME1_PIPE2_INT_CNTL) & ~TIME_STAMP_INT_ENABLE;
cp_m1p3 = RREG32(CP_ME1_PIPE3_INT_CNTL) & ~TIME_STAMP_INT_ENABLE;
cp_m2p0 = RREG32(CP_ME2_PIPE0_INT_CNTL) & ~TIME_STAMP_INT_ENABLE;
cp_m2p1 = RREG32(CP_ME2_PIPE1_INT_CNTL) & ~TIME_STAMP_INT_ENABLE;
cp_m2p2 = RREG32(CP_ME2_PIPE2_INT_CNTL) & ~TIME_STAMP_INT_ENABLE;
cp_m2p3 = RREG32(CP_ME2_PIPE3_INT_CNTL) & ~TIME_STAMP_INT_ENABLE;
/* enable CP interrupts on all rings */ /* enable CP interrupts on all rings */
if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) { if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
DRM_DEBUG("cik_irq_set: sw int gfx\n"); DRM_DEBUG("cik_irq_set: sw int gfx\n");
cp_int_cntl |= TIME_STAMP_INT_ENABLE; cp_int_cntl |= TIME_STAMP_INT_ENABLE;
} }
/* TODO: compute queues! */ if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
/* CP_ME[1-2]_PIPE[0-3]_INT_CNTL */ struct radeon_ring *ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
DRM_DEBUG("si_irq_set: sw int cp1\n");
if (ring->me == 1) {
switch (ring->pipe) {
case 0:
cp_m1p0 |= TIME_STAMP_INT_ENABLE;
break;
case 1:
cp_m1p1 |= TIME_STAMP_INT_ENABLE;
break;
case 2:
cp_m1p2 |= TIME_STAMP_INT_ENABLE;
break;
case 3:
cp_m1p2 |= TIME_STAMP_INT_ENABLE;
break;
default:
DRM_DEBUG("si_irq_set: sw int cp1 invalid pipe %d\n", ring->pipe);
break;
}
} else if (ring->me == 2) {
switch (ring->pipe) {
case 0:
cp_m2p0 |= TIME_STAMP_INT_ENABLE;
break;
case 1:
cp_m2p1 |= TIME_STAMP_INT_ENABLE;
break;
case 2:
cp_m2p2 |= TIME_STAMP_INT_ENABLE;
break;
case 3:
cp_m2p2 |= TIME_STAMP_INT_ENABLE;
break;
default:
DRM_DEBUG("si_irq_set: sw int cp1 invalid pipe %d\n", ring->pipe);
break;
}
} else {
DRM_DEBUG("si_irq_set: sw int cp1 invalid me %d\n", ring->me);
}
}
if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
struct radeon_ring *ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
DRM_DEBUG("si_irq_set: sw int cp2\n");
if (ring->me == 1) {
switch (ring->pipe) {
case 0:
cp_m1p0 |= TIME_STAMP_INT_ENABLE;
break;
case 1:
cp_m1p1 |= TIME_STAMP_INT_ENABLE;
break;
case 2:
cp_m1p2 |= TIME_STAMP_INT_ENABLE;
break;
case 3:
cp_m1p2 |= TIME_STAMP_INT_ENABLE;
break;
default:
DRM_DEBUG("si_irq_set: sw int cp2 invalid pipe %d\n", ring->pipe);
break;
}
} else if (ring->me == 2) {
switch (ring->pipe) {
case 0:
cp_m2p0 |= TIME_STAMP_INT_ENABLE;
break;
case 1:
cp_m2p1 |= TIME_STAMP_INT_ENABLE;
break;
case 2:
cp_m2p2 |= TIME_STAMP_INT_ENABLE;
break;
case 3:
cp_m2p2 |= TIME_STAMP_INT_ENABLE;
break;
default:
DRM_DEBUG("si_irq_set: sw int cp2 invalid pipe %d\n", ring->pipe);
break;
}
} else {
DRM_DEBUG("si_irq_set: sw int cp2 invalid me %d\n", ring->me);
}
}
if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) { if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
DRM_DEBUG("cik_irq_set: sw int dma\n"); DRM_DEBUG("cik_irq_set: sw int dma\n");
@ -4736,6 +4831,15 @@ int cik_irq_set(struct radeon_device *rdev)
WREG32(SDMA0_CNTL + SDMA0_REGISTER_OFFSET, dma_cntl); WREG32(SDMA0_CNTL + SDMA0_REGISTER_OFFSET, dma_cntl);
WREG32(SDMA0_CNTL + SDMA1_REGISTER_OFFSET, dma_cntl1); WREG32(SDMA0_CNTL + SDMA1_REGISTER_OFFSET, dma_cntl1);
WREG32(CP_ME1_PIPE0_INT_CNTL, cp_m1p0);
WREG32(CP_ME1_PIPE1_INT_CNTL, cp_m1p1);
WREG32(CP_ME1_PIPE2_INT_CNTL, cp_m1p2);
WREG32(CP_ME1_PIPE3_INT_CNTL, cp_m1p3);
WREG32(CP_ME2_PIPE0_INT_CNTL, cp_m2p0);
WREG32(CP_ME2_PIPE1_INT_CNTL, cp_m2p1);
WREG32(CP_ME2_PIPE2_INT_CNTL, cp_m2p2);
WREG32(CP_ME2_PIPE3_INT_CNTL, cp_m2p3);
WREG32(GRBM_INT_CNTL, grbm_int_cntl); WREG32(GRBM_INT_CNTL, grbm_int_cntl);
WREG32(LB_INTERRUPT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1); WREG32(LB_INTERRUPT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
@ -4957,6 +5061,8 @@ static inline u32 cik_get_ih_wptr(struct radeon_device *rdev)
*/ */
int cik_irq_process(struct radeon_device *rdev) int cik_irq_process(struct radeon_device *rdev)
{ {
struct radeon_ring *cp1_ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
struct radeon_ring *cp2_ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
u32 wptr; u32 wptr;
u32 rptr; u32 rptr;
u32 src_id, src_data, ring_id; u32 src_id, src_data, ring_id;
@ -5222,10 +5328,11 @@ restart_ih:
radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
break; break;
case 1: case 1:
/* XXX compute */
break;
case 2: case 2:
/* XXX compute */ if ((cp1_ring->me == me_id) & (cp1_ring->pipe == pipe_id))
radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
if ((cp2_ring->me == me_id) & (cp2_ring->pipe == pipe_id))
radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
break; break;
} }
break; break;
@ -5244,9 +5351,11 @@ restart_ih:
break; break;
case 1: case 1:
/* XXX compute */ /* XXX compute */
queue_reset = true;
break; break;
case 2: case 2:
/* XXX compute */ /* XXX compute */
queue_reset = true;
break; break;
} }
break; break;
@ -5265,9 +5374,11 @@ restart_ih:
break; break;
case 1: case 1:
/* XXX compute */ /* XXX compute */
queue_reset = true;
break; break;
case 2: case 2:
/* XXX compute */ /* XXX compute */
queue_reset = true;
break; break;
} }
break; break;