diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gvt.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index f82ad5a93720..eb5d8dcd258d 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -261,6 +261,8 @@ struct intel_gvt_mmio { * logical context image */ #define F_SR_IN_CTX (1 << 7) +/* Value of command write of this reg needs to be patched */ +#define F_CMD_WRITE_PATCH (1 << 8) struct gvt_mmio_block *mmio_block; unsigned int num_mmio_block; @@ -685,6 +687,35 @@ static inline void intel_gvt_mmio_set_sr_in_ctx( } void intel_gvt_debugfs_add_vgpu(struct intel_vgpu *vgpu); +/** + * intel_gvt_mmio_set_cmd_write_patch - + * mark an MMIO if its cmd write needs to be + * patched + * @gvt: a GVT device + * @offset: register offset + * + */ +static inline void intel_gvt_mmio_set_cmd_write_patch( + struct intel_gvt *gvt, unsigned int offset) +{ + gvt->mmio.mmio_attribute[offset >> 2] |= F_CMD_WRITE_PATCH; +} + +/** + * intel_gvt_mmio_is_cmd_write_patch - check if an mmio's cmd access needs to + * be patched + * @gvt: a GVT device + * @offset: register offset + * + * Returns: + * True if GPU commmand write to an MMIO should be patched + */ +static inline bool intel_gvt_mmio_is_cmd_write_patch( + struct intel_gvt *gvt, unsigned int offset) +{ + return gvt->mmio.mmio_attribute[offset >> 2] & F_CMD_WRITE_PATCH; +} + void intel_gvt_debugfs_remove_vgpu(struct intel_vgpu *vgpu); void intel_gvt_debugfs_init(struct intel_gvt *gvt); void intel_gvt_debugfs_clean(struct intel_gvt *gvt); |