diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/handlers.c')
-rw-r--r-- | drivers/gpu/drm/i915/gvt/handlers.c | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index bb9fe6bf5275..6d28d72e6c7e 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -341,6 +341,10 @@ static int gdrst_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, gvt_dbg_mmio("vgpu%d: request VCS2 Reset\n", vgpu->id); engine_mask |= BIT(VCS1); } + if (data & GEN9_GRDOM_GUC) { + gvt_dbg_mmio("vgpu%d: request GUC Reset\n", vgpu->id); + vgpu_vreg_t(vgpu, GUC_STATUS) |= GS_MIA_IN_RESET; + } engine_mask &= INTEL_INFO(vgpu->gvt->dev_priv)->engine_mask; } @@ -1636,6 +1640,16 @@ static int edp_psr_imr_iir_write(struct intel_vgpu *vgpu, return 0; } +static int guc_status_read(struct intel_vgpu *vgpu, + unsigned int offset, void *p_data, + unsigned int bytes) +{ + /* keep MIA_IN_RESET before clearing */ + read_vreg(vgpu, offset, p_data, bytes); + vgpu_vreg(vgpu, offset) &= ~GS_MIA_IN_RESET; + return 0; +} + static int mmio_read_from_hw(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes) { @@ -2672,10 +2686,12 @@ static int init_generic_mmio_info(struct intel_gvt *gvt) MMIO_DH(EDP_PSR_IMR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write); MMIO_DH(EDP_PSR_IIR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write); + MMIO_DH(GUC_STATUS, D_ALL, guc_status_read, NULL); + return 0; } -static int init_broadwell_mmio_info(struct intel_gvt *gvt) +static int init_bdw_mmio_info(struct intel_gvt *gvt) { struct drm_i915_private *dev_priv = gvt->dev_priv; int ret; @@ -3364,20 +3380,20 @@ int intel_gvt_setup_mmio_info(struct intel_gvt *gvt) goto err; if (IS_BROADWELL(dev_priv)) { - ret = init_broadwell_mmio_info(gvt); + ret = init_bdw_mmio_info(gvt); if (ret) goto err; } else if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { - ret = init_broadwell_mmio_info(gvt); + ret = init_bdw_mmio_info(gvt); if (ret) goto err; ret = init_skl_mmio_info(gvt); if (ret) goto err; } else if (IS_BROXTON(dev_priv)) { - ret = init_broadwell_mmio_info(gvt); + ret = init_bdw_mmio_info(gvt); if (ret) goto err; ret = init_skl_mmio_info(gvt); |