diff options
| author | Thomas Hellstrom <thellstrom@vmware.com> | 2010-10-05 12:43:04 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-10-06 11:29:51 +1000 |
| commit | e133e7371231e49c3e7d626e2251cb6f7c3ca1ad (patch) | |
| tree | fbe8453b1243993e96f961f69b328cda05d096ab /drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | |
| parent | 3a939a5ece3030e60c966a885c8e9bd329c4faf7 (diff) | |
drm/vmwgfx: Prune modes based on available VRAM size
This needs to be reviewed once we support screen objects and don't rely
on VRAM for the frame-buffer.
Also fix some integer overflow issues pointed out by Michel Daenzer.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c index 11cb39e3acc..a01c47ddb5b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c @@ -427,7 +427,9 @@ static int vmw_ldu_connector_fill_modes(struct drm_connector *connector, { struct vmw_legacy_display_unit *ldu = vmw_connector_to_ldu(connector); struct drm_device *dev = connector->dev; + struct vmw_private *dev_priv = vmw_priv(dev); struct drm_display_mode *mode = NULL; + struct drm_display_mode *bmode; struct drm_display_mode prefmode = { DRM_MODE("preferred", DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, @@ -443,22 +445,30 @@ static int vmw_ldu_connector_fill_modes(struct drm_connector *connector, mode->hdisplay = ldu->pref_width; mode->vdisplay = ldu->pref_height; mode->vrefresh = drm_mode_vrefresh(mode); - drm_mode_probed_add(connector, mode); + if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2, + mode->vdisplay)) { + drm_mode_probed_add(connector, mode); - if (ldu->pref_mode) { - list_del_init(&ldu->pref_mode->head); - drm_mode_destroy(dev, ldu->pref_mode); - } + if (ldu->pref_mode) { + list_del_init(&ldu->pref_mode->head); + drm_mode_destroy(dev, ldu->pref_mode); + } - ldu->pref_mode = mode; + ldu->pref_mode = mode; + } } for (i = 0; vmw_ldu_connector_builtin[i].type != 0; i++) { - if (vmw_ldu_connector_builtin[i].hdisplay > max_width || - vmw_ldu_connector_builtin[i].vdisplay > max_height) + bmode = &vmw_ldu_connector_builtin[i]; + if (bmode->hdisplay > max_width || + bmode->vdisplay > max_height) + continue; + + if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2, + bmode->vdisplay)) continue; - mode = drm_mode_duplicate(dev, &vmw_ldu_connector_builtin[i]); + mode = drm_mode_duplicate(dev, bmode); if (!mode) return 0; mode->vrefresh = drm_mode_vrefresh(mode); |