From: Alex Deucher alexander.deucher@amd.com
[ Upstream commit 39879321769cc2d9a690725959ef76af92a38ac1 ]
Need to handle the interrupt enables for all pipes.
v2: fix indexing (Jessie)
Acked-by: Christian König christian.koenig@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c | 130 ++++++++++++++++++++----- 1 file changed, 106 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c index e45d23e828788..1a84163182689 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c @@ -1686,26 +1686,68 @@ static void gfx_v12_0_constants_init(struct amdgpu_device *adev) gfx_v12_0_init_compute_vmid(adev); }
+static u32 gfx_v12_0_get_cpg_int_cntl(struct amdgpu_device *adev, + int me, int pipe) +{ + if (me != 0) + return 0; + + switch (pipe) { + case 0: + return SOC15_REG_OFFSET(GC, 0, regCP_INT_CNTL_RING0); + default: + return 0; + } +} + +static u32 gfx_v12_0_get_cpc_int_cntl(struct amdgpu_device *adev, + int me, int pipe) +{ + /* + * amdgpu controls only the first MEC. That's why this function only + * handles the setting of interrupts for this specific MEC. All other + * pipes' interrupts are set by amdkfd. + */ + if (me != 1) + return 0; + + switch (pipe) { + case 0: + return SOC15_REG_OFFSET(GC, 0, regCP_ME1_PIPE0_INT_CNTL); + case 1: + return SOC15_REG_OFFSET(GC, 0, regCP_ME1_PIPE1_INT_CNTL); + default: + return 0; + } +} + static void gfx_v12_0_enable_gui_idle_interrupt(struct amdgpu_device *adev, - bool enable) + bool enable) { - u32 tmp; + u32 tmp, cp_int_cntl_reg; + int i, j;
if (amdgpu_sriov_vf(adev)) return;
- tmp = RREG32_SOC15(GC, 0, regCP_INT_CNTL_RING0); - - tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CNTX_BUSY_INT_ENABLE, - enable ? 1 : 0); - tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CNTX_EMPTY_INT_ENABLE, - enable ? 1 : 0); - tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CMP_BUSY_INT_ENABLE, - enable ? 1 : 0); - tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, GFX_IDLE_INT_ENABLE, - enable ? 1 : 0); - - WREG32_SOC15(GC, 0, regCP_INT_CNTL_RING0, tmp); + for (i = 0; i < adev->gfx.me.num_me; i++) { + for (j = 0; j < adev->gfx.me.num_pipe_per_me; j++) { + cp_int_cntl_reg = gfx_v12_0_get_cpg_int_cntl(adev, i, j); + + if (cp_int_cntl_reg) { + tmp = RREG32_SOC15_IP(GC, cp_int_cntl_reg); + tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CNTX_BUSY_INT_ENABLE, + enable ? 1 : 0); + tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CNTX_EMPTY_INT_ENABLE, + enable ? 1 : 0); + tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, CMP_BUSY_INT_ENABLE, + enable ? 1 : 0); + tmp = REG_SET_FIELD(tmp, CP_INT_CNTL_RING0, GFX_IDLE_INT_ENABLE, + enable ? 1 : 0); + WREG32_SOC15_IP(GC, cp_int_cntl_reg, tmp); + } + } + } }
static int gfx_v12_0_init_csb(struct amdgpu_device *adev) @@ -4747,15 +4789,42 @@ static int gfx_v12_0_eop_irq(struct amdgpu_device *adev,
static int gfx_v12_0_set_priv_reg_fault_state(struct amdgpu_device *adev, struct amdgpu_irq_src *source, - unsigned type, + unsigned int type, enum amdgpu_interrupt_state state) { + u32 cp_int_cntl_reg, cp_int_cntl; + int i, j; + switch (state) { case AMDGPU_IRQ_STATE_DISABLE: case AMDGPU_IRQ_STATE_ENABLE: - WREG32_FIELD15_PREREG(GC, 0, CP_INT_CNTL_RING0, - PRIV_REG_INT_ENABLE, - state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); + for (i = 0; i < adev->gfx.me.num_me; i++) { + for (j = 0; j < adev->gfx.me.num_pipe_per_me; j++) { + cp_int_cntl_reg = gfx_v12_0_get_cpg_int_cntl(adev, i, j); + + if (cp_int_cntl_reg) { + cp_int_cntl = RREG32_SOC15_IP(GC, cp_int_cntl_reg); + cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0, + PRIV_REG_INT_ENABLE, + state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); + WREG32_SOC15_IP(GC, cp_int_cntl_reg, cp_int_cntl); + } + } + } + for (i = 0; i < adev->gfx.mec.num_mec; i++) { + for (j = 0; j < adev->gfx.mec.num_pipe_per_mec; j++) { + /* MECs start at 1 */ + cp_int_cntl_reg = gfx_v12_0_get_cpc_int_cntl(adev, i + 1, j); + + if (cp_int_cntl_reg) { + cp_int_cntl = RREG32_SOC15_IP(GC, cp_int_cntl_reg); + cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_ME1_PIPE0_INT_CNTL, + PRIV_REG_INT_ENABLE, + state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); + WREG32_SOC15_IP(GC, cp_int_cntl_reg, cp_int_cntl); + } + } + } break; default: break; @@ -4766,15 +4835,28 @@ static int gfx_v12_0_set_priv_reg_fault_state(struct amdgpu_device *adev,
static int gfx_v12_0_set_priv_inst_fault_state(struct amdgpu_device *adev, struct amdgpu_irq_src *source, - unsigned type, + unsigned int type, enum amdgpu_interrupt_state state) { + u32 cp_int_cntl_reg, cp_int_cntl; + int i, j; + switch (state) { case AMDGPU_IRQ_STATE_DISABLE: case AMDGPU_IRQ_STATE_ENABLE: - WREG32_FIELD15_PREREG(GC, 0, CP_INT_CNTL_RING0, - PRIV_INSTR_INT_ENABLE, - state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); + for (i = 0; i < adev->gfx.me.num_me; i++) { + for (j = 0; j < adev->gfx.me.num_pipe_per_me; j++) { + cp_int_cntl_reg = gfx_v12_0_get_cpg_int_cntl(adev, i, j); + + if (cp_int_cntl_reg) { + cp_int_cntl = RREG32_SOC15_IP(GC, cp_int_cntl_reg); + cp_int_cntl = REG_SET_FIELD(cp_int_cntl, CP_INT_CNTL_RING0, + PRIV_INSTR_INT_ENABLE, + state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0); + WREG32_SOC15_IP(GC, cp_int_cntl_reg, cp_int_cntl); + } + } + } break; default: break; @@ -4798,8 +4880,8 @@ static void gfx_v12_0_handle_priv_fault(struct amdgpu_device *adev, case 0: for (i = 0; i < adev->gfx.num_gfx_rings; i++) { ring = &adev->gfx.gfx_ring[i]; - /* we only enabled 1 gfx queue per pipe for now */ - if (ring->me == me_id && ring->pipe == pipe_id) + if (ring->me == me_id && ring->pipe == pipe_id && + ring->queue == queue_id) drm_sched_fault(&ring->sched); } break;