From 97031e2541ebeba0255ddb0b8c6e7189649bb1a6 Mon Sep 17 00:00:00 2001 From: Xiangliang Yu Date: Mon, 13 Feb 2017 16:49:34 +0800 Subject: [PATCH] drm/amdgpu/gfx9: fullfill kiq irq funcs (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Fullfill KIQ irq funcs to support kiq interrupt. v2: squash in adding interrupt src Signed-off-by: Xiangliang Yu Signed-off-by: Monk Liu Reviewed-by: Alex Deucher Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 79 +++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index d79f7a5ce5f6..6b3cd64de5c0 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -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) -- 2.11.0