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drm-misc-fixes pull request for v4.18-rc7:

Browse Source 
- Small fixes to  drm_atomic_helper_async_check(). (bbrezillon)
 - Fix error handling in drm_legacy_addctx(). (Nicholas)
 - Handle register reset on hotplug in adv7511. (seanpaul)
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Merge tag 'drm-misc-fixes-2018-07-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

drm-misc-fixes pull request for v4.18-rc7:
- Small fixes to  drm_atomic_helper_async_check(). (bbrezillon)
- Fix error handling in drm_legacy_addctx(). (Nicholas)
- Handle register reset on hotplug in adv7511. (seanpaul)

Signed-off-by: Dave Airlie <airlied@redhat.com>

Link: https://patchwork.freedesktop.org/patch/msgid/90e0e966-bce5-15a4-286a-eda908788b03@linux.intel.com
This commit is contained in:
Dave Airlie 2018-08-01 08:54:27 +10:00
commit 51973dc079
4 changed files with 21 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
View File

@ -429,6 +429,18 @@ static void adv7511_hpd_work(struct work_struct *work)
else
status = connector_status_disconnected;
/*
* The bridge resets its registers on unplug. So when we get a plug
* event and we're already supposed to be powered, cycle the bridge to
* restore its state.
*/
if (status == connector_status_connected &&
adv7511->connector.status == connector_status_disconnected &&
adv7511->powered) {
regcache_mark_dirty(adv7511->regmap);
adv7511_power_on(adv7511);
}
if (adv7511->connector.status != status) {
adv7511->connector.status = status;
if (status == connector_status_disconnected)

8
drivers/gpu/drm/drm_atomic_helper.c
View File

@ -1510,8 +1510,9 @@ int drm_atomic_helper_async_check(struct drm_device *dev,
{
struct drm_crtc *crtc;
struct drm_crtc_state *crtc_state;
struct drm_plane *plane;
struct drm_plane_state *old_plane_state, *new_plane_state;
struct drm_plane *plane = NULL;
struct drm_plane_state *old_plane_state = NULL;
struct drm_plane_state *new_plane_state = NULL;
const struct drm_plane_helper_funcs *funcs;
int i, n_planes = 0;
@ -1527,7 +1528,8 @@ int drm_atomic_helper_async_check(struct drm_device *dev,
if (n_planes != 1)
return -EINVAL;
if (!new_plane_state->crtc)
if (!new_plane_state->crtc ||
old_plane_state->crtc != new_plane_state->crtc)
return -EINVAL;
funcs = plane->helper_private;

2
drivers/gpu/drm/drm_context.c
View File

@ -372,7 +372,7 @@ int drm_legacy_addctx(struct drm_device *dev, void *data,
ctx->handle = drm_legacy_ctxbitmap_next(dev);
}
DRM_DEBUG("%d\n", ctx->handle);
if (ctx->handle == -1) {
if (ctx->handle < 0) {
DRM_DEBUG("Not enough free contexts.\n");
/* Should this return -EBUSY instead? */
return -ENOMEM;

3
drivers/gpu/drm/vc4/vc4_plane.c
View File

@ -320,6 +320,9 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
vc4_state->x_scaling[0] = VC4_SCALING_TPZ;
if (vc4_state->y_scaling[0] == VC4_SCALING_NONE)
vc4_state->y_scaling[0] = VC4_SCALING_TPZ;
} else {
vc4_state->x_scaling[1] = VC4_SCALING_NONE;
vc4_state->y_scaling[1] = VC4_SCALING_NONE;
}
vc4_state->is_unity = (vc4_state->x_scaling[0] == VC4_SCALING_NONE &&