[PATCH 055/165] drm/radeon/cik: add support for compute interrupts
alexdeucher at gmail.com
alexdeucher at gmail.com
Wed Jun 26 06:22:15 PDT 2013
From: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/radeon/cik.c | 121 ++++++++++++++++++++++++++++++++++++++++--
1 files changed, 116 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 596bfed..5923ef7 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -4631,6 +4631,8 @@ int cik_irq_set(struct radeon_device *rdev)
{
u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_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 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
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_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 */
if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
DRM_DEBUG("cik_irq_set: sw int gfx\n");
cp_int_cntl |= TIME_STAMP_INT_ENABLE;
}
- /* TODO: compute queues! */
- /* CP_ME[1-2]_PIPE[0-3]_INT_CNTL */
+ if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
+ 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])) {
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 + 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(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)
{
+ 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 rptr;
u32 src_id, src_data, ring_id;
@@ -5222,10 +5328,11 @@ restart_ih:
radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
break;
case 1:
- /* XXX compute */
- break;
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;
@@ -5244,9 +5351,11 @@ restart_ih:
break;
case 1:
/* XXX compute */
+ queue_reset = true;
break;
case 2:
/* XXX compute */
+ queue_reset = true;
break;
}
break;
@@ -5265,9 +5374,11 @@ restart_ih:
break;
case 1:
/* XXX compute */
+ queue_reset = true;
break;
case 2:
/* XXX compute */
+ queue_reset = true;
break;
}
break;
--
1.7.7.5
More information about the dri-devel
mailing list