diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/skl_watermark.h')
-rw-r--r-- | drivers/gpu/drm/i915/display/skl_watermark.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/skl_watermark.h b/drivers/gpu/drm/i915/display/skl_watermark.h new file mode 100644 index 0000000000..f91a3d4ddc --- /dev/null +++ b/drivers/gpu/drm/i915/display/skl_watermark.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2022 Intel Corporation + */ + +#ifndef __SKL_WATERMARK_H__ +#define __SKL_WATERMARK_H__ + +#include <linux/types.h> + +#include "intel_display_limits.h" +#include "intel_global_state.h" +#include "intel_wm_types.h" + +struct drm_i915_private; +struct intel_atomic_state; +struct intel_bw_state; +struct intel_crtc; +struct intel_crtc_state; +struct intel_plane; + +u8 intel_enabled_dbuf_slices_mask(struct drm_i915_private *i915); + +void intel_sagv_pre_plane_update(struct intel_atomic_state *state); +void intel_sagv_post_plane_update(struct intel_atomic_state *state); +bool intel_can_enable_sagv(struct drm_i915_private *i915, + const struct intel_bw_state *bw_state); + +u32 skl_ddb_dbuf_slice_mask(struct drm_i915_private *i915, + const struct skl_ddb_entry *entry); + +void skl_write_plane_wm(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state); +void skl_write_cursor_wm(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state); + +bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry *ddb, + const struct skl_ddb_entry *entries, + int num_entries, int ignore_idx); + +void intel_wm_state_verify(struct intel_crtc *crtc, + struct intel_crtc_state *new_crtc_state); + +void skl_watermark_ipc_init(struct drm_i915_private *i915); +void skl_watermark_ipc_update(struct drm_i915_private *i915); +bool skl_watermark_ipc_enabled(struct drm_i915_private *i915); +void skl_watermark_debugfs_register(struct drm_i915_private *i915); + +void skl_wm_init(struct drm_i915_private *i915); + +struct intel_dbuf_state { + struct intel_global_state base; + + struct skl_ddb_entry ddb[I915_MAX_PIPES]; + unsigned int weight[I915_MAX_PIPES]; + u8 slices[I915_MAX_PIPES]; + u8 enabled_slices; + u8 active_pipes; + bool joined_mbus; +}; + +struct intel_dbuf_state * +intel_atomic_get_dbuf_state(struct intel_atomic_state *state); + +#define to_intel_dbuf_state(x) container_of((x), struct intel_dbuf_state, base) +#define intel_atomic_get_old_dbuf_state(state) \ + to_intel_dbuf_state(intel_atomic_get_old_global_obj_state(state, &to_i915(state->base.dev)->display.dbuf.obj)) +#define intel_atomic_get_new_dbuf_state(state) \ + to_intel_dbuf_state(intel_atomic_get_new_global_obj_state(state, &to_i915(state->base.dev)->display.dbuf.obj)) + +int intel_dbuf_init(struct drm_i915_private *i915); +void intel_dbuf_pre_plane_update(struct intel_atomic_state *state); +void intel_dbuf_post_plane_update(struct intel_atomic_state *state); +void intel_mbus_dbox_update(struct intel_atomic_state *state); + +#endif /* __SKL_WATERMARK_H__ */ + |