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authorDavid S. Miller <[email protected]>2019-06-07 11:00:14 -0700
committerDavid S. Miller <[email protected]>2019-06-07 11:00:14 -0700
commita6cdeeb16bff89c8486324f53577db058cbe81ba (patch)
treede2d38e10f5768bdf1d2902112a4803d0ae767f3 /drivers/gpu/drm/imx/ipuv3-plane.c
parent96524ea4be04683bb3ad8ebaedcbe3a6e34302de (diff)
parent1e1d926369545ea09c98c6c7f5d109aa4ee0cd0b (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Some ISDN files that got removed in net-next had some changes done in mainline, take the removals. Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/imx/ipuv3-plane.c')
-rw-r--r--drivers/gpu/drm/imx/ipuv3-plane.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index d7a727a6e3d7..91edfe2498a6 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -605,7 +605,6 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
active = ipu_idmac_get_current_buffer(ipu_plane->ipu_ch);
ipu_cpmem_set_buffer(ipu_plane->ipu_ch, !active, eba);
ipu_idmac_select_buffer(ipu_plane->ipu_ch, !active);
- ipu_plane->next_buf = !active;
if (ipu_plane_separate_alpha(ipu_plane)) {
active = ipu_idmac_get_current_buffer(ipu_plane->alpha_ch);
ipu_cpmem_set_buffer(ipu_plane->alpha_ch, !active,
@@ -710,7 +709,6 @@ static void ipu_plane_atomic_update(struct drm_plane *plane,
ipu_cpmem_set_buffer(ipu_plane->ipu_ch, 1, eba);
ipu_idmac_lock_enable(ipu_plane->ipu_ch, num_bursts);
ipu_plane_enable(ipu_plane);
- ipu_plane->next_buf = -1;
}
static const struct drm_plane_helper_funcs ipu_plane_helper_funcs = {
@@ -732,10 +730,15 @@ bool ipu_plane_atomic_update_pending(struct drm_plane *plane)
if (ipu_state->use_pre)
return ipu_prg_channel_configure_pending(ipu_plane->ipu_ch);
- else if (ipu_plane->next_buf >= 0)
- return ipu_idmac_get_current_buffer(ipu_plane->ipu_ch) !=
- ipu_plane->next_buf;
+ /*
+ * Pretend no update is pending in the non-PRE/PRG case. For this to
+ * happen, an atomic update would have to be deferred until after the
+ * start of the next frame and simultaneously interrupt latency would
+ * have to be high enough to let the atomic update finish and issue an
+ * event before the previous end of frame interrupt handler can be
+ * executed.
+ */
return false;
}
int ipu_planes_assign_pre(struct drm_device *dev,