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drm/amd/display: Create dm_atomic_state

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We really want to use the new private_atomic_state but can't right now
as we have to maintain some backward compatibility to older kernels. For
now let's follow Intel's approach and extend the drm_atomic_state.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harry Wentland 2017-06-27 11:55:43 -04:00 committed by Alex Deucher
parent 97416d4cbb
commit ca3268c45b
2 changed files with 44 additions and 1 deletions
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37
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -634,11 +634,46 @@ const struct amdgpu_ip_block_version dm_ip_block =
.funcs = &amdgpu_dm_funcs,
};
struct drm_atomic_state *
dm_atomic_state_alloc(struct drm_device *dev)
{
struct dm_atomic_state *state = kzalloc(sizeof(*state), GFP_KERNEL);
if (!state || drm_atomic_state_init(dev, &state->base) < 0) {
kfree(state);
return NULL;
}
return &state->base;
}
void dm_atomic_state_clear(struct drm_atomic_state *s)
{
struct dm_atomic_state *state = to_dm_atomic_state(s);
drm_atomic_state_default_clear(&state->base);
}
static void dm_atomic_state_free(struct drm_atomic_state *state)
{
struct dm_atomic_state *dm_state = to_dm_atomic_state(state);
drm_atomic_state_default_release(state);
kfree(dm_state);
}
static const struct drm_mode_config_funcs amdgpu_dm_mode_funcs = {
.fb_create = amdgpu_user_framebuffer_create,
.output_poll_changed = amdgpu_output_poll_changed,
.atomic_check = amdgpu_dm_atomic_check,
.atomic_commit = drm_atomic_helper_commit
.atomic_commit = drm_atomic_helper_commit,
.atomic_state_alloc = dm_atomic_state_alloc,
.atomic_state_clear = dm_atomic_state_clear,
.atomic_state_free = dm_atomic_state_free,
};
static struct drm_mode_config_helper_funcs amdgpu_dm_mode_config_helperfuncs = {

8
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.h
View File

@ -27,6 +27,7 @@
#define __AMDGPU_DM_TYPES_H__
#include <drm/drmP.h>
#include <drm/drm_atomic.h>
struct amdgpu_framebuffer;
struct amdgpu_display_manager;
@ -48,6 +49,13 @@ struct dm_crtc_state {
#define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base)
struct dm_atomic_state {
struct drm_atomic_state base;
};
#define to_dm_atomic_state(x) container_of(x, struct dm_atomic_state, base)
/*TODO Jodan Hersen use the one in amdgpu_dm*/
int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
struct amdgpu_plane *aplane,