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drm/i915: Introduce proper dbuf state

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Add a global state to track the dbuf slices. Gets rid of all the nasty
coupling between state->modeset and dbuf recomputation. Also we can now
totally nuke state->active_pipe_changes.

dev_priv->wm.distrust_bios_wm still remains, but that too will get
nuked soon.

Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200225171125.28885-9-ville.syrjala@linux.intel.com
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
This commit is contained in:
Ville Syrjälä
2020-02-25 19:11:13 +02:00
parent 56f48c1d44
commit 3cf43cdc63
6 changed files with 211 additions and 103 deletions
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22
drivers/gpu/drm/i915/intel_pm.h
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@@ -8,6 +8,8 @@
#include <linux/types.h>
#include "display/intel_global_state.h"
#include "i915_reg.h"
#include "display/intel_bw.h"
@@ -63,4 +65,24 @@ void intel_enable_ipc(struct drm_i915_private *dev_priv);
bool intel_set_memory_cxsr(struct drm_i915_private *dev_priv, bool enable);
struct intel_dbuf_state {
struct intel_global_state base;
u8 enabled_slices;
u8 active_pipes;
};
int intel_dbuf_init(struct drm_i915_private *dev_priv);
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)->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)->dbuf.obj))
int intel_dbuf_init(struct drm_i915_private *dev_priv);
#endif /* __INTEL_PM_H__ */