diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/handlers.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/handlers.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index 68600a3c46e5..0ad1a508e2af 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -974,6 +974,14 @@ static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu, return 0; } +static int mbctl_write(struct intel_vgpu *vgpu, unsigned int offset, + void *p_data, unsigned int bytes) +{ + *(u32 *)p_data &= (~GEN6_MBCTL_ENABLE_BOOT_FETCH); + write_vreg(vgpu, offset, p_data, bytes); + return 0; +} + static int vga_control_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes) { @@ -2245,7 +2253,7 @@ static int init_generic_mmio_info(struct intel_gvt *gvt) MMIO_D(0x7180, D_ALL); MMIO_D(0x7408, D_ALL); MMIO_D(0x7c00, D_ALL); - MMIO_D(GEN6_MBCTL, D_ALL); + MMIO_DH(GEN6_MBCTL, D_ALL, NULL, mbctl_write); MMIO_D(0x911c, D_ALL); MMIO_D(0x9120, D_ALL); MMIO_DFH(GEN7_UCGCTL4, D_ALL, F_CMD_ACCESS, NULL, NULL); |