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drm/nouveau/kms/nv50: Switch to using atomic helper for flip. 

v2:
Update code after flip_flags moved from plane_state
to crtc_state

v5:
Rename to pageflip_flags.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1486072591-3893-3-git-send-email-Andrey.Grodzovsky@amd.com
This commit is contained in:
Andrey Grodzovsky 2017-02-02 16:56:30 -05:00 committed by Alex Deucher
parent 6cbe5c466d
commit 612fb5d9f4
1 changed files with 10 additions and 74 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

84
drivers/gpu/drm/nouveau/nv50_display.c
View File

@ -831,7 +831,8 @@ nv50_wndw_atomic_check_release(struct nv50_wndw *wndw,
static int
nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw,
struct nv50_wndw_atom *asyw,
struct nv50_head_atom *asyh)
struct nv50_head_atom *asyh,
u32 pflip_flags)
{
struct nouveau_framebuffer *fb = nouveau_framebuffer(asyw->state.fb);
struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
@ -846,6 +847,9 @@ nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw,
asyw->image.w = fb->base.width;
asyw->image.h = fb->base.height;
asyw->image.kind = (fb->nvbo->tile_flags & 0x0000ff00) >> 8;
asyw->interval = pflip_flags & DRM_MODE_PAGE_FLIP_ASYNC ? 0 : 1;
if (asyw->image.kind) {
asyw->image.layout = 0;
if (drm->device.info.chipset >= 0xc0)
@ -883,6 +887,7 @@ nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state)
struct nv50_head_atom *harm = NULL, *asyh = NULL;
bool varm = false, asyv = false, asym = false;
int ret;
u32 pflip_flags = 0;
NV_ATOMIC(drm, "%s atomic_check\n", plane->name);
if (asyw->state.crtc) {
@ -891,6 +896,7 @@ nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state)
return PTR_ERR(asyh);
asym = drm_atomic_crtc_needs_modeset(&asyh->state);
asyv = asyh->state.active;
pflip_flags = asyh->state.pageflip_flags;
}
if (armw->state.crtc) {
@ -907,7 +913,8 @@ nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state)
asyw->set.point = true;
if (!varm || asym || armw->state.fb != asyw->state.fb) {
ret = nv50_wndw_atomic_check_acquire(wndw, asyw, asyh);
ret = nv50_wndw_atomic_check_acquire(
wndw, asyw, asyh, pflip_flags);
if (ret)
return ret;
}
@ -2219,77 +2226,6 @@ nv50_head_help = {
.atomic_check = nv50_head_atomic_check,
};
/* This is identical to the version in the atomic helpers, except that
* it supports non-vblanked ("async") page flips.
*/
static int
nv50_head_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
struct drm_pending_vblank_event *event, u32 flags)
{
struct drm_plane *plane = crtc->primary;
struct drm_atomic_state *state;
struct drm_plane_state *plane_state;
struct drm_crtc_state *crtc_state;
int ret = 0;
state = drm_atomic_state_alloc(plane->dev);
if (!state)
return -ENOMEM;
state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc);
retry:
crtc_state = drm_atomic_get_crtc_state(state, crtc);
if (IS_ERR(crtc_state)) {
ret = PTR_ERR(crtc_state);
goto fail;
}
crtc_state->event = event;
plane_state = drm_atomic_get_plane_state(state, plane);
if (IS_ERR(plane_state)) {
ret = PTR_ERR(plane_state);
goto fail;
}
ret = drm_atomic_set_crtc_for_plane(plane_state, crtc);
if (ret != 0)
goto fail;
drm_atomic_set_fb_for_plane(plane_state, fb);
/* Make sure we don't accidentally do a full modeset. */
state->allow_modeset = false;
if (!crtc_state->active) {
DRM_DEBUG_ATOMIC("[CRTC:%d] disabled, rejecting legacy flip\n",
crtc->base.id);
ret = -EINVAL;
goto fail;
}
if (flags & DRM_MODE_PAGE_FLIP_ASYNC)
nv50_wndw_atom(plane_state)->interval = 0;
ret = drm_atomic_nonblocking_commit(state);
fail:
if (ret == -EDEADLK)
goto backoff;
drm_atomic_state_put(state);
return ret;
backoff:
drm_atomic_state_clear(state);
drm_atomic_legacy_backoff(state);
/*
* Someone might have exchanged the framebuffer while we dropped locks
* in the backoff code. We need to fix up the fb refcount tracking the
* core does for us.
*/
plane->old_fb = plane->fb;
goto retry;
}
static int
nv50_head_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
uint32_t size)
@ -2384,7 +2320,7 @@ nv50_head_func = {
.gamma_set = nv50_head_gamma_set,
.destroy = nv50_head_destroy,
.set_config = drm_atomic_helper_set_config,
.page_flip = nv50_head_page_flip,
.page_flip = drm_atomic_helper_page_flip,
.set_property = drm_atomic_helper_crtc_set_property,
.atomic_duplicate_state = nv50_head_atomic_duplicate_state,
.atomic_destroy_state = nv50_head_atomic_destroy_state,