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authorFabien Dessenne <fabien.dessenne@st.com>2016-08-24 12:12:37 +0200
committerVincent Abriou <vincent.abriou@st.com>2016-09-20 11:32:05 +0200
commit9dd5942b3195fc94c538d6cf1d26cde8813da80c (patch)
tree732caabd00d95de79d4bc9846a6cb9b6bdf8ec4c /drivers/gpu/drm/sti/sti_hqvdp.c
parent29ffa77668235bd4b39cd0bac209621a25355af2 (diff)
downloadblackbird-op-linux-9dd5942b3195fc94c538d6cf1d26cde8813da80c.tar.gz
blackbird-op-linux-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/sti_hqvdp.c')
-rw-r--r--drivers/gpu/drm/sti/sti_hqvdp.c4
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);
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