diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c | 54 |
2 files changed, 62 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h index 362d9559f065..bdae70e128c4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h @@ -57,6 +57,7 @@ struct amdgpu_hpd; #define to_amdgpu_connector(x) container_of(x, struct amdgpu_connector, base) #define to_amdgpu_encoder(x) container_of(x, struct amdgpu_encoder, base) #define to_amdgpu_framebuffer(x) container_of(x, struct amdgpu_framebuffer, base) +#define to_amdgpu_plane(x) container_of(x, struct amdgpu_plane, base) #define AMDGPU_MAX_HPD_PINS 6 #define AMDGPU_MAX_CRTCS 6 @@ -439,6 +440,18 @@ struct amdgpu_crtc { struct drm_pending_vblank_event *event; }; +struct amdgpu_drm_plane_state { + struct drm_plane_state base; + unsigned int h_ratio; + unsigned int v_ratio; +}; + +static inline struct amdgpu_drm_plane_state * +to_amdgpu_plane_state(struct drm_plane_state *state) +{ + return container_of(state, struct amdgpu_drm_plane_state, base); +} + struct amdgpu_plane { struct drm_plane base; enum drm_plane_type plane_type; diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c index 1751f138c36a..aa243584b2cc 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c @@ -1445,12 +1445,56 @@ const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs = { .atomic_check = dm_encoder_helper_atomic_check }; +static void dm_drm_plane_reset(struct drm_plane *plane) +{ + struct amdgpu_drm_plane_state *amdgpu_state; + + if (plane->state) { + amdgpu_state = to_amdgpu_plane_state(plane->state); + if (amdgpu_state->base.fb) + drm_framebuffer_unreference(amdgpu_state->base.fb); + kfree(amdgpu_state); + plane->state = NULL; + } + + amdgpu_state = kzalloc(sizeof(*amdgpu_state), GFP_KERNEL); + if (amdgpu_state) { + plane->state = &amdgpu_state->base; + plane->state->plane = plane; + } +} + +static struct drm_plane_state * +dm_drm_plane_duplicate_state(struct drm_plane *plane) +{ + struct amdgpu_drm_plane_state *amdgpu_state; + struct amdgpu_drm_plane_state *copy; + + amdgpu_state = to_amdgpu_plane_state(plane->state); + copy = kzalloc(sizeof(*amdgpu_state), GFP_KERNEL); + if (!copy) + return NULL; + + __drm_atomic_helper_plane_duplicate_state(plane, ©->base); + return ©->base; +} + +static void dm_drm_plane_destroy_state(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct amdgpu_drm_plane_state *old_amdgpu_state = + to_amdgpu_plane_state(old_state); + __drm_atomic_helper_plane_destroy_state(old_state); + kfree(old_amdgpu_state); +} + static const struct drm_plane_funcs dm_plane_funcs = { - .update_plane = drm_atomic_helper_update_plane, - .disable_plane = drm_atomic_helper_disable_plane, - .reset = drm_atomic_helper_plane_reset, - .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_plane_destroy_state + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .destroy = drm_plane_cleanup, + .reset = dm_drm_plane_reset, + .atomic_duplicate_state = dm_drm_plane_duplicate_state, + .atomic_destroy_state = dm_drm_plane_destroy_state, }; static int dm_plane_helper_prepare_fb( |