It serves no purpose, things should be sufficiently synchronized already by atomic framework. And it is somewhat awkward to be holding a spinlock when msm_gem_iova() is going to start needing to grab a mutex.
Signed-off-by: Rob Clark robdclark@gmail.com --- drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c | 10 ---------- 1 file changed, 10 deletions(-)
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c index 5e11653..c7ea5a0 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c @@ -22,8 +22,6 @@ struct mdp5_plane { struct drm_plane base;
- spinlock_t pipe_lock; /* protect REG_MDP5_PIPE_* registers */ - uint32_t nformats; uint32_t formats[32]; }; @@ -875,7 +873,6 @@ static int mdp5_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc, struct drm_framebuffer *fb, struct drm_rect *src, struct drm_rect *dest) { - struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane); struct drm_plane_state *pstate = plane->state; struct mdp5_hw_pipe *hwpipe = to_mdp5_plane_state(pstate)->hwpipe; struct mdp5_kms *mdp5_kms = get_kms(plane); @@ -896,7 +893,6 @@ static int mdp5_plane_mode_set(struct drm_plane *plane, uint32_t src_img_w, src_img_h; uint32_t src_x_r; int crtc_x_r; - unsigned long flags; int ret;
nplanes = fb->format->num_planes; @@ -975,8 +971,6 @@ static int mdp5_plane_mode_set(struct drm_plane *plane, hflip = !!(rotation & DRM_REFLECT_X); vflip = !!(rotation & DRM_REFLECT_Y);
- spin_lock_irqsave(&mdp5_plane->pipe_lock, flags); - mdp5_hwpipe_mode_set(mdp5_kms, hwpipe, fb, &step, &pe, config, hdecm, vdecm, hflip, vflip, crtc_x, crtc_y, crtc_w, crtc_h, @@ -989,8 +983,6 @@ static int mdp5_plane_mode_set(struct drm_plane *plane, src_img_w, src_img_h, src_x_r, src_y, src_w, src_h);
- spin_unlock_irqrestore(&mdp5_plane->pipe_lock, flags); - plane->fb = fb;
return ret; @@ -1132,8 +1124,6 @@ struct drm_plane *mdp5_plane_init(struct drm_device *dev, mdp5_plane->nformats = mdp_get_formats(mdp5_plane->formats, ARRAY_SIZE(mdp5_plane->formats), false);
- spin_lock_init(&mdp5_plane->pipe_lock); - if (type == DRM_PLANE_TYPE_CURSOR) ret = drm_universal_plane_init(dev, plane, 0xff, &mdp5_cursor_plane_funcs,