diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_lrc.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_lrc.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c index 72f04a656e8b..57066faf575e 100644 --- a/drivers/gpu/drm/xe/xe_lrc.c +++ b/drivers/gpu/drm/xe/xe_lrc.c @@ -19,6 +19,8 @@ #include "xe_gt_printk.h" #include "xe_hw_fence.h" #include "xe_map.h" +#include "xe_memirq.h" +#include "xe_sriov.h" #include "xe_vm.h" #define LRC_VALID (1 << 0) @@ -529,6 +531,27 @@ static void set_context_control(u32 *regs, struct xe_hw_engine *hwe) /* TODO: Timestamp */ } +static void set_memory_based_intr(u32 *regs, struct xe_hw_engine *hwe) +{ + struct xe_memirq *memirq = >_to_tile(hwe->gt)->sriov.vf.memirq; + struct xe_device *xe = gt_to_xe(hwe->gt); + + if (!IS_SRIOV_VF(xe) || !xe_device_has_memirq(xe)) + return; + + regs[CTX_LRM_INT_MASK_ENABLE] = MI_LOAD_REGISTER_MEM | + MI_LRI_LRM_CS_MMIO | MI_LRM_USE_GGTT; + regs[CTX_INT_MASK_ENABLE_REG] = RING_IMR(0).addr; + regs[CTX_INT_MASK_ENABLE_PTR] = xe_memirq_enable_ptr(memirq); + + regs[CTX_LRI_INT_REPORT_PTR] = MI_LOAD_REGISTER_IMM | MI_LRI_NUM_REGS(2) | + MI_LRI_LRM_CS_MMIO | MI_LRI_FORCE_POSTED; + regs[CTX_INT_STATUS_REPORT_REG] = RING_INT_STATUS_RPT_PTR(0).addr; + regs[CTX_INT_STATUS_REPORT_PTR] = xe_memirq_status_ptr(memirq); + regs[CTX_INT_SRC_REPORT_REG] = RING_INT_SRC_RPT_PTR(0).addr; + regs[CTX_INT_SRC_REPORT_PTR] = xe_memirq_source_ptr(memirq); +} + static int lrc_ring_mi_mode(struct xe_hw_engine *hwe) { struct xe_device *xe = gt_to_xe(hwe->gt); @@ -664,6 +687,7 @@ static void *empty_lrc_data(struct xe_hw_engine *hwe) regs = data + LRC_PPHWSP_SIZE; set_offsets(regs, reg_offsets(xe, hwe->class), hwe); set_context_control(regs, hwe); + set_memory_based_intr(regs, hwe); reset_stop_ring(regs, hwe); return data; @@ -953,6 +977,20 @@ static int dump_mi_command(struct drm_printer *p, drm_printf(p, " - %#6x = %#010x\n", dw[i], dw[i + 1]); return numdw; + case MI_LOAD_REGISTER_MEM & MI_OPCODE: + drm_printf(p, "[%#010x] MI_LOAD_REGISTER_MEM: %s%s\n", + inst_header, + dw[0] & MI_LRI_LRM_CS_MMIO ? "CS_MMIO " : "", + dw[0] & MI_LRM_USE_GGTT ? "USE_GGTT " : ""); + if (numdw == 4) + drm_printf(p, " - %#6x = %#010llx\n", + dw[1], ((u64)(dw[3]) << 32 | (u64)(dw[2]))); + else + drm_printf(p, " - %*ph (%s)\n", + (int)sizeof(u32) * (numdw - 1), dw + 1, + numdw < 4 ? "truncated" : "malformed"); + return numdw; + case MI_FORCE_WAKEUP: drm_printf(p, "[%#010x] MI_FORCE_WAKEUP\n", inst_header); return numdw; |