| From | Sasha Levin <> | Subject | [PATCH AUTOSEL for 4.4 044/115] drm/vmwgfx: Fixes to vmwgfx_fb | Date | Sat, 3 Mar 2018 22:31:14 +0000 |
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From: Sinclair Yeh <syeh@vmware.com>
[ Upstream commit aa74f0687cfe998e59b20d6454f45e8aa4403c45 ]
1. When unsetting a mode, num_connector should be set to zero 2. The pixel_format field needs to be initialized as newer DRM internal functions checks this field 3. Take the drm_modeset_lock_all() because vmw_fb_kms_detach() can change current mode
Signed-off-by: Sinclair Yeh <syeh@vmware.com> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> --- drivers/gpu/drm/vmwgfx/vmwgfx_fb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c index d2d93959b119..aec6e9eef489 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c @@ -433,7 +433,7 @@ static int vmw_fb_kms_detach(struct vmw_fb_par *par, set.y = 0; set.mode = NULL; set.fb = NULL; - set.num_connectors = 1; + set.num_connectors = 0; set.connectors = &par->con; ret = drm_mode_set_config_internal(&set); if (ret) { @@ -821,7 +821,9 @@ int vmw_fb_off(struct vmw_private *vmw_priv) flush_delayed_work(&par->local_work); mutex_lock(&par->bo_mutex); + drm_modeset_lock_all(vmw_priv->dev); (void) vmw_fb_kms_detach(par, true, false); + drm_modeset_unlock_all(vmw_priv->dev); mutex_unlock(&par->bo_mutex); return 0; -- 2.14.1
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