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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-01 20:50:26 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-01 20:50:26 (GMT) |
commit | 4cff7adbebf4d25f662b13c6582b945d9d549e25 (patch) | |
tree | cfb6bc0aaab6ad7fa7ca2bb07453ed2fd139138c /drivers/gpu/drm/vc4/vc4_v3d.c | |
parent | 7e3933df9874b70745548ce9177295d11c58fc21 (diff) | |
parent | 36f90b0a2ddd60823fe193a85e60ff1906c2a9b3 (diff) | |
download | linux-4cff7adbebf4d25f662b13c6582b945d9d549e25.tar.xz |
Merge 4.5-rc2 into staging-next
This fixes a merge issue with the panel driver, and picks up fixes in
iio and other drivers that we want here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_v3d.c')
-rw-r--r-- | drivers/gpu/drm/vc4/vc4_v3d.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_v3d.c b/drivers/gpu/drm/vc4/vc4_v3d.c index 424d515..314ff71 100644 --- a/drivers/gpu/drm/vc4/vc4_v3d.c +++ b/drivers/gpu/drm/vc4/vc4_v3d.c @@ -144,19 +144,16 @@ int vc4_v3d_debugfs_ident(struct seq_file *m, void *unused) } #endif /* CONFIG_DEBUG_FS */ -/* - * Asks the firmware to turn on power to the V3D engine. - * - * This may be doable with just the clocks interface, though this - * packet does some other register setup from the firmware, too. - */ int vc4_v3d_set_power(struct vc4_dev *vc4, bool on) { - if (on) - return pm_generic_poweroff(&vc4->v3d->pdev->dev); - else - return pm_generic_resume(&vc4->v3d->pdev->dev); + /* XXX: This interface is needed for GPU reset, and the way to + * do it is to turn our power domain off and back on. We + * can't just reset from within the driver, because the reset + * bits are in the power domain's register area, and get set + * during the poweron process. + */ + return 0; } static void vc4_v3d_init_hw(struct drm_device *dev) |