diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_link_bw.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_link_bw.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_link_bw.h b/drivers/gpu/drm/i915/display/intel_link_bw.h new file mode 100644 index 000000000000..cb18e171037c --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_link_bw.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2023 Intel Corporation + */ + +#ifndef __INTEL_LINK_BW_H__ +#define __INTEL_LINK_BW_H__ + +#include <linux/types.h> + +#include "intel_display_limits.h" + +struct intel_atomic_state; +struct intel_connector; +struct intel_crtc_state; + +struct intel_link_bw_limits { + u8 link_dsc_pipes; + u8 bpp_limit_reached_pipes; + /* in 1/16 bpp units */ + int max_bpp_x16[I915_MAX_PIPES]; +}; + +void intel_link_bw_init_limits(struct intel_atomic_state *state, + struct intel_link_bw_limits *limits); +int intel_link_bw_reduce_bpp(struct intel_atomic_state *state, + struct intel_link_bw_limits *limits, + u8 pipe_mask, + const char *reason); +bool intel_link_bw_compute_pipe_bpp(struct intel_crtc_state *crtc_state); +bool intel_link_bw_set_bpp_limit_for_pipe(struct intel_atomic_state *state, + const struct intel_link_bw_limits *old_limits, + struct intel_link_bw_limits *new_limits, + enum pipe pipe); +int intel_link_bw_atomic_check(struct intel_atomic_state *state, + struct intel_link_bw_limits *new_limits); +void intel_link_bw_connector_debugfs_add(struct intel_connector *connector); + +#endif |