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drm/amd/display: Create dm_crtc_state stubs.

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These stubs are initial only since we need to flatten
DC objects (steran at least) to implement deep copy.

Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky 2017-06-27 17:24:00 -04:00 committed by Alex Deucher
parent b3663f705a
commit ba6bf832b2
2 changed files with 81 additions and 3 deletions
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74
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
View File

@ -960,15 +960,83 @@ void amdgpu_dm_crtc_destroy(struct drm_crtc *crtc)
kfree(crtc);
}
static void dm_crtc_destroy_state(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct dm_crtc_state *cur = to_dm_crtc_state(state);
if (cur->dc_stream) {
/* TODO Destroy dc_stream objects are stream object is flattened */
dm_free(cur->dc_stream);
} else
WARN_ON(1);
__drm_atomic_helper_crtc_destroy_state(state);
kfree(state);
}
static void dm_crtc_reset_state(struct drm_crtc *crtc)
{
struct dm_crtc_state *state;
if (crtc->state)
dm_crtc_destroy_state(crtc, crtc->state);
state = kzalloc(sizeof(*state), GFP_KERNEL);
if (WARN_ON(!state))
return;
crtc->state = &state->base;
crtc->state->crtc = crtc;
state->dc_stream = dm_alloc(sizeof(*state->dc_stream));
WARN_ON(!state->dc_stream);
}
static struct drm_crtc_state *
dm_crtc_duplicate_state(struct drm_crtc *crtc)
{
struct dm_crtc_state *state, *cur;
struct dc_stream *dc_stream;
if (WARN_ON(!crtc->state))
return NULL;
cur = to_dm_crtc_state(crtc->state);
if (WARN_ON(!cur->dc_stream))
return NULL;
dc_stream = dm_alloc(sizeof(*dc_stream));
if (WARN_ON(!dc_stream))
return NULL;
state = dm_alloc(sizeof(*state));
if (WARN_ON(!state)) {
dm_free(dc_stream);
return NULL;
}
__drm_atomic_helper_crtc_duplicate_state(crtc, &state->base);
state->dc_stream = dc_stream;
/* TODO Duplicate dc_stream after objects are stream object is flattened */
return &state->base;
}
/* Implemented only the options currently availible for the driver */
static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
.reset = drm_atomic_helper_crtc_reset,
.reset = dm_crtc_reset_state,
.destroy = amdgpu_dm_crtc_destroy,
.gamma_set = drm_atomic_helper_legacy_gamma_set,
.set_config = drm_atomic_helper_set_config,
.page_flip = drm_atomic_helper_page_flip,
.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
.atomic_duplicate_state = dm_crtc_duplicate_state,
.atomic_destroy_state = dm_crtc_destroy_state,
};
static enum drm_connector_status

10
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.h
View File

@ -32,6 +32,16 @@ struct amdgpu_framebuffer;
struct amdgpu_display_manager;
struct dc_validation_set;
struct dc_surface;
/* TODO rename to dc_stream_state */
struct dc_stream;
struct dm_crtc_state {
struct drm_crtc_state base;
struct dc_stream *dc_stream;
};
#define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base)
struct dm_plane_state {
struct drm_plane_state base;