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| author |   Rob Clark <robdclark@gmail.com> | 2016-11-04 13:51:42 -0400 |
|---|---|---|
| committer | Rob Clark <robdclark@gmail.com> | 2016-11-27 11:32:27 -0500 |
| commit | 870d738acb7ebb0d4f6192c9d328cae95479715b (patch) | |
| tree | 9d8ad211c6b5d82cfb2cf4122a99ffc81c9c3f23 /drivers/gpu/drm/msm/msm_kms.h | |
| parent | drm/msm/mdp5: introduce mdp5_hw_pipe (diff) | |
| download | linux-dev-870d738acb7ebb0d4f6192c9d328cae95479715b.tar.xz linux-dev-870d738acb7ebb0d4f6192c9d328cae95479715b.zip | |
drm/msm: subclass drm_atomic_state
This will give the kms backends a slot to stash their own hw specific
global state.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_kms.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_kms.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h index 40e41e5cdbc6..cb9758bcadfd 100644 --- a/drivers/gpu/drm/msm/msm_kms.h +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -40,6 +40,8 @@ struct msm_kms_funcs { irqreturn_t (*irq)(struct msm_kms *kms); int (*enable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc); void (*disable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc); + /* swap global atomic state: */ + void (*swap_state)(struct msm_kms *kms, struct drm_atomic_state *state); /* modeset, bracketing atomic_commit(): */ void (*prepare_commit)(struct msm_kms *kms, struct drm_atomic_state *state); void (*complete_commit)(struct msm_kms *kms, struct drm_atomic_state *state); @@ -65,6 +67,18 @@ struct msm_kms { int irq; }; +/** + * Subclass of drm_atomic_state, to allow kms backend to have driver + * private global state. The kms backend can do whatever it wants + * with the ->state ptr. On ->atomic_state_clear() the ->state ptr + * is kfree'd and set back to NULL. + */ +struct msm_kms_state { + struct drm_atomic_state base; + void *state; +}; +#define to_kms_state(x) container_of(x, struct msm_kms_state, base) + static inline void msm_kms_init(struct msm_kms *kms, const struct msm_kms_funcs *funcs) { |