From 612fb5d9f41622ad86c94f897faa2343817abb1a Mon Sep 17 00:00:00 2001 From: Andrey Grodzovsky Date: Thu, 2 Feb 2017 16:56:30 -0500 Subject: [PATCH] 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 Signed-off-by: Andrey Grodzovsky Signed-off-by: Alex Deucher Link: http://patchwork.freedesktop.org/patch/msgid/1486072591-3893-3-git-send-email-Andrey.Grodzovsky@amd.com --- drivers/gpu/drm/nouveau/nv50_display.c | 84 ++++------------------------------ 1 file changed, 10 insertions(+), 74 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 452da48..413b178 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -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, -- 2.7.4