diff options
Diffstat (limited to 'drivers/gpu/drm/v3d/v3d_gem.c')
-rw-r--r-- | drivers/gpu/drm/v3d/v3d_gem.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c index 0a83268dec0c..449d01ea54a0 100644 --- a/drivers/gpu/drm/v3d/v3d_gem.c +++ b/drivers/gpu/drm/v3d/v3d_gem.c @@ -6,6 +6,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> +#include <linux/reset.h> #include <linux/device.h> #include <linux/io.h> #include <linux/sched/signal.h> @@ -70,7 +71,7 @@ v3d_idle_gca(struct v3d_dev *v3d) } static void -v3d_reset_v3d(struct v3d_dev *v3d) +v3d_reset_by_bridge(struct v3d_dev *v3d) { int version = V3D_BRIDGE_READ(V3D_TOP_GR_BRIDGE_REVISION); @@ -90,6 +91,15 @@ v3d_reset_v3d(struct v3d_dev *v3d) V3D_TOP_GR_BRIDGE_SW_INIT_1_V3D_CLK_108_SW_INIT); V3D_BRIDGE_WRITE(V3D_TOP_GR_BRIDGE_SW_INIT_1, 0); } +} + +static void +v3d_reset_v3d(struct v3d_dev *v3d) +{ + if (v3d->reset) + reset_control_reset(v3d->reset); + else + v3d_reset_by_bridge(v3d); v3d_init_hw_state(v3d); } |