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| author | Martin Krastev <martin.krastev@broadcom.com> | 2024-01-26 23:08:03 +0300 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2024-03-27 01:19:44 +0300 |
| commit | 21fe1069aa9cbf72ecaeb8704d13f822a672a61d (patch) | |
| tree | b9bf398623de1032d4585c47ac3876639834eaf4 /drivers/gpu/drm/vmwgfx | |
| parent | ccf09255d89ca41c3232281e405e6112b3dcc5d4 (diff) | |
| download | linux-21fe1069aa9cbf72ecaeb8704d13f822a672a61d.tar.xz | |
drm/vmwgfx: Fix vmw_du_get_cursor_mob fencing of newly-created MOBs
[ Upstream commit ed96cf7ad590989b009d6da5cd26387d995dac13 ]
The fencing of MOB creation used in vmw_du_get_cursor_mob was incompatible
with register-based device communication employed by this routine. As a
result cursor MOB creation was racy, leading to potentially broken/missing
mouse cursor on desktops using CursorMob device feature.
Fixes: 53bc3f6fb6b3 ("drm/vmwgfx: Clean up cursor mobs")
Signed-off-by: Martin Krastev <martin.krastev@broadcom.com>
Reviewed-by: Maaz Mombasawala <maaz.mombasawala@broadcom.com>
Reviewed-by: Zack Rusin <zack.rusin@broadcom.com>
Signed-off-by: Zack Rusin <zack.rusin@broadcom.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240126200804.732454-5-zack.rusin@broadcom.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 818b7f109f53..b51578918cf8 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -272,6 +272,7 @@ static int vmw_du_get_cursor_mob(struct vmw_cursor_plane *vcp, u32 size = vmw_du_cursor_mob_size(vps->base.crtc_w, vps->base.crtc_h); u32 i; u32 cursor_max_dim, mob_max_size; + struct vmw_fence_obj *fence = NULL; int ret; if (!dev_priv->has_mob || @@ -313,7 +314,15 @@ static int vmw_du_get_cursor_mob(struct vmw_cursor_plane *vcp, if (ret != 0) goto teardown; - vmw_bo_fence_single(&vps->cursor.bo->tbo, NULL); + ret = vmw_execbuf_fence_commands(NULL, dev_priv, &fence, NULL); + if (ret != 0) { + ttm_bo_unreserve(&vps->cursor.bo->tbo); + goto teardown; + } + + dma_fence_wait(&fence->base, false); + dma_fence_put(&fence->base); + ttm_bo_unreserve(&vps->cursor.bo->tbo); return 0; |