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ecore-drm2: Add API functions for atomic commit test and commit 

This patch adds 2 new API functions, one which we can use to test atomic
commits before actually applying them, and another which does the
actual Atomic commit.

@feature

Signed-off-by: Chris Michael <cp.michael@samsung.com>
This commit is contained in:
Chris Michael 2017-03-27 13:56:03 -04:00
parent 9d5c76e0d5
commit 345fefd3ef
2 changed files with 163 additions and 1 deletions
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6
src/lib/ecore_drm2/Ecore_Drm2.h
View File

@ -370,6 +370,12 @@ EAPI Eina_Bool ecore_drm2_device_vt_set(Ecore_Drm2_Device *device, int vt);
*/
EAPI Eina_Bool ecore_drm2_device_prefer_shadow(Ecore_Drm2_Device *device);
/* TODO: doxy */
EAPI Eina_Bool ecore_drm2_atomic_commit_test(Ecore_Drm2_Device *device);
/* TODO: doxy */
EAPI Eina_Bool ecore_drm2_atomic_commit(Ecore_Drm2_Device *device);
/**
* @defgroup Ecore_Drm2_Output_Group Drm output functions
*

158
src/lib/ecore_drm2/ecore_drm2_device.c
View File

@ -676,7 +676,11 @@ ecore_drm2_device_free(Ecore_Drm2_Device *device)
#ifdef HAVE_ATOMIC_DRM
if (_ecore_drm2_use_atomic)
_drm2_atomic_state_free(device->state);
{
_drm2_atomic_state_free(device->state);
if (device->atomic_req)
sym_drmModeAtomicFree(device->atomic_req);
}
#endif
ecore_event_handler_del(device->active_hdlr);
@ -848,3 +852,155 @@ ecore_drm2_device_prefer_shadow(Ecore_Drm2_Device *device)
else
return EINA_FALSE;
}
EAPI Eina_Bool
ecore_drm2_atomic_commit_test(Ecore_Drm2_Device *device)
{
Eina_Bool res = EINA_FALSE;
#ifdef HAVE_ATOMIC_DRM
int ret = 0;
Eina_List *l, *ll;
Ecore_Drm2_Output *output;
Ecore_Drm2_Plane *plane;
Ecore_Drm2_Plane_State *pstate;
Ecore_Drm2_Crtc_State *cstate;
drmModeAtomicReq *req = NULL;
uint32_t flags = DRM_MODE_ATOMIC_NONBLOCK | DRM_MODE_ATOMIC_ALLOW_MODESET |
DRM_MODE_ATOMIC_TEST_ONLY;
#endif
EINA_SAFETY_ON_NULL_RETURN_VAL(device, EINA_FALSE);
EINA_SAFETY_ON_TRUE_RETURN_VAL((device->fd < 0), EINA_FALSE);
#ifdef HAVE_ATOMIC_DRM
req = sym_drmModeAtomicAlloc();
if (!req) return EINA_FALSE;
sym_drmModeAtomicSetCursor(req, 0);
EINA_LIST_FOREACH(device->outputs, l, output)
{
cstate = output->crtc_state;
ret =
sym_drmModeAtomicAddProperty(req, cstate->obj_id, cstate->mode.id,
cstate->mode.value);
if (ret < 0) goto err;
ret =
sym_drmModeAtomicAddProperty(req, cstate->obj_id, cstate->active.id,
cstate->active.value);
if (ret < 0) goto err;
EINA_LIST_FOREACH(output->planes, ll, plane)
{
pstate = plane->state;
ret =
sym_drmModeAtomicAddProperty(req, pstate->obj_id,
pstate->cid.id, pstate->cid.value);
if (ret < 0) goto err;
ret =
sym_drmModeAtomicAddProperty(req, pstate->obj_id,
pstate->fid.id, pstate->fid.value);
if (ret < 0) goto err;
ret =
sym_drmModeAtomicAddProperty(req, pstate->obj_id,
pstate->sx.id, pstate->sx.value);
if (ret < 0) goto err;
ret =
sym_drmModeAtomicAddProperty(req, pstate->obj_id,
pstate->sy.id, pstate->sy.value);
if (ret < 0) goto err;
ret =
sym_drmModeAtomicAddProperty(req, pstate->obj_id,
pstate->sw.id, pstate->sw.value);
if (ret < 0) goto err;
ret =
sym_drmModeAtomicAddProperty(req, pstate->obj_id,
pstate->sh.id, pstate->sh.value);
if (ret < 0) goto err;
ret =
sym_drmModeAtomicAddProperty(req, pstate->obj_id,
pstate->cx.id, pstate->cx.value);
if (ret < 0) goto err;
ret =
sym_drmModeAtomicAddProperty(req, pstate->obj_id,
pstate->cy.id, pstate->cy.value);
if (ret < 0) goto err;
ret =
sym_drmModeAtomicAddProperty(req, pstate->obj_id,
pstate->cw.id, pstate->cw.value);
if (ret < 0) goto err;
ret =
sym_drmModeAtomicAddProperty(req, pstate->obj_id,
pstate->ch.id, pstate->ch.value);
if (ret < 0) goto err;
}
}
ret =
sym_drmModeAtomicCommit(device->fd, req, flags, NULL);
if (ret < 0) ERR("Failed Atomic Commit Test: %m");
else res = EINA_TRUE;
if (res)
{
if (device->atomic_req)
{
/* merge this test commit with previous */
ret = sym_drmModeAtomicMerge(device->atomic_req, req);
if (ret < 0)
{
/* we failed to merge for some reason. just use this req */
device->atomic_req = req;
}
}
else
device->atomic_req = req;
}
return res;
err:
sym_drmModeAtomicFree(req);
#endif
return res;
}
EAPI Eina_Bool
ecore_drm2_atomic_commit(Ecore_Drm2_Device *device)
{
#ifdef HAVE_ATOMIC_DRM
int res = 0;
uint32_t flags =
DRM_MODE_ATOMIC_NONBLOCK | DRM_MODE_PAGE_FLIP_EVENT |
DRM_MODE_ATOMIC_ALLOW_MODESET;
#endif
EINA_SAFETY_ON_NULL_RETURN_VAL(device, EINA_FALSE);
EINA_SAFETY_ON_TRUE_RETURN_VAL((device->fd < 0), EINA_FALSE);
#ifdef HAVE_ATOMIC_DRM
if (!device->atomic_req) return EINA_FALSE;
res =
sym_drmModeAtomicCommit(device->fd, device->atomic_req, flags, NULL);
if (res < 0)
ERR("Failed Atomic Commit Test: %m");
else
return EINA_TRUE;
#endif
return EINA_FALSE;
}