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| author |   Fabien Dessenne <fabien.dessenne@st.com> | 2016-08-24 12:12:37 +0200 |
|---|---|---|
| committer |   Vincent Abriou <vincent.abriou@st.com> | 2016-09-20 11:32:05 +0200 |
| commit | 9dd5942b3195fc94c538d6cf1d26cde8813da80c (patch) | |
| tree | 732caabd00d95de79d4bc9846a6cb9b6bdf8ec4c /drivers/gpu/drm/sti | |
| parent | drm/sti: fix debug logs (diff) | |
| download | linux-dev-9dd5942b3195fc94c538d6cf1d26cde8813da80c.tar.xz linux-dev-9dd5942b3195fc94c538d6cf1d26cde8813da80c.zip | |
drm/sti: run hqvdp init sequence only once
Do not rely on plane->status to define whether this is the first update
but rather check for hqvdp->xp70_initialized bit status.
This avoids multiple and unwanted calls to sti_vtg_register_client()
which breaks the kernel scheduler.
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Vincent Abriou <vincent.abriou@st.com>
Diffstat (limited to 'drivers/gpu/drm/sti')
| -rw-r--r-- | drivers/gpu/drm/sti/sti_hqvdp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c index 04546ebb75d7..c6b25f4fad6a 100644 --- a/drivers/gpu/drm/sti/sti_hqvdp.c +++ b/drivers/gpu/drm/sti/sti_hqvdp.c @@ -771,6 +771,7 @@ static void sti_hqvdp_disable(struct sti_hqvdp *hqvdp) DRM_ERROR("XP70 could not revert to idle\n"); hqvdp->plane.status = STI_PLANE_DISABLED; + hqvdp->xp70_initialized = false; } /** @@ -1013,7 +1014,6 @@ static int sti_hqvdp_atomic_check(struct drm_plane *drm_plane, struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane); struct drm_crtc *crtc = state->crtc; struct drm_framebuffer *fb = state->fb; - bool first_prepare = plane->status == STI_PLANE_DISABLED ? true : false; struct drm_crtc_state *crtc_state; struct drm_display_mode *mode; int dst_x, dst_y, dst_w, dst_h; @@ -1064,7 +1064,7 @@ static int sti_hqvdp_atomic_check(struct drm_plane *drm_plane, return -EINVAL; } - if (first_prepare) { + if (!hqvdp->xp70_initialized) { /* Start HQVDP XP70 coprocessor */ sti_hqvdp_start_xp70(hqvdp); |