diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/mmio.c | 28 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/mmio.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/vgpu.c | 9 |
3 files changed, 28 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/gvt/mmio.c b/drivers/gpu/drm/i915/gvt/mmio.c index 322077fce2bb..980ec8906b1e 100644 --- a/drivers/gpu/drm/i915/gvt/mmio.c +++ b/drivers/gpu/drm/i915/gvt/mmio.c @@ -289,20 +289,32 @@ err: * @vgpu: a vGPU * */ -void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu) +void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu, bool dmlr) { struct intel_gvt *gvt = vgpu->gvt; const struct intel_gvt_device_info *info = &gvt->device_info; + void *mmio = gvt->firmware.mmio; - memcpy(vgpu->mmio.vreg, gvt->firmware.mmio, info->mmio_size); - memcpy(vgpu->mmio.sreg, gvt->firmware.mmio, info->mmio_size); + if (dmlr) { + memcpy(vgpu->mmio.vreg, mmio, info->mmio_size); + memcpy(vgpu->mmio.sreg, mmio, info->mmio_size); - vgpu_vreg(vgpu, GEN6_GT_THREAD_STATUS_REG) = 0; + vgpu_vreg(vgpu, GEN6_GT_THREAD_STATUS_REG) = 0; - /* set the bit 0:2(Core C-State ) to C0 */ - vgpu_vreg(vgpu, GEN6_GT_CORE_STATUS) = 0; + /* set the bit 0:2(Core C-State ) to C0 */ + vgpu_vreg(vgpu, GEN6_GT_CORE_STATUS) = 0; + + vgpu->mmio.disable_warn_untrack = false; + } else { +#define GVT_GEN8_MMIO_RESET_OFFSET (0x44200) + /* only reset the engine related, so starting with 0x44200 + * interrupt include DE,display mmio related will not be + * touched + */ + memcpy(vgpu->mmio.vreg, mmio, GVT_GEN8_MMIO_RESET_OFFSET); + memcpy(vgpu->mmio.sreg, mmio, GVT_GEN8_MMIO_RESET_OFFSET); + } - vgpu->mmio.disable_warn_untrack = false; } /** @@ -322,7 +334,7 @@ int intel_vgpu_init_mmio(struct intel_vgpu *vgpu) vgpu->mmio.sreg = vgpu->mmio.vreg + info->mmio_size; - intel_vgpu_reset_mmio(vgpu); + intel_vgpu_reset_mmio(vgpu, true); return 0; } diff --git a/drivers/gpu/drm/i915/gvt/mmio.h b/drivers/gpu/drm/i915/gvt/mmio.h index b55ccfa9a24d..32cd64ddad26 100644 --- a/drivers/gpu/drm/i915/gvt/mmio.h +++ b/drivers/gpu/drm/i915/gvt/mmio.h @@ -78,7 +78,7 @@ void intel_gvt_clean_mmio_info(struct intel_gvt *gvt); }) int intel_vgpu_init_mmio(struct intel_vgpu *vgpu); -void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu); +void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu, bool dmlr); void intel_vgpu_clean_mmio(struct intel_vgpu *vgpu); int intel_vgpu_gpa_to_mmio_offset(struct intel_vgpu *vgpu, u64 gpa); diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c index 6e3cbd8caec2..90c14e6e3ea0 100644 --- a/drivers/gpu/drm/i915/gvt/vgpu.c +++ b/drivers/gpu/drm/i915/gvt/vgpu.c @@ -501,9 +501,14 @@ void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr, /* full GPU reset or device model level reset */ if (engine_mask == ALL_ENGINES || dmlr) { + intel_vgpu_reset_gtt(vgpu, dmlr); - intel_vgpu_reset_resource(vgpu); - intel_vgpu_reset_mmio(vgpu); + + /*fence will not be reset during virtual reset */ + if (dmlr) + intel_vgpu_reset_resource(vgpu); + + intel_vgpu_reset_mmio(vgpu, dmlr); populate_pvinfo_page(vgpu); intel_vgpu_reset_display(vgpu); |