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drm/vmwgfx: limit mode size for all display unit to texture_max 

For all display units, limit mode size exposed to texture_max_width/
height as this is the maximum framebuffer size that virtual device can
create.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
Deepak Rawat 2018-09-13 12:44:13 +02:00 committed by Thomas Hellstrom
parent 0c1b174b1b
commit 140b4e67c2
1 changed files with 7 additions and 3 deletions
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10
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View File

@ -2214,12 +2214,16 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector,
if (dev_priv->assume_16bpp)
assumed_bpp = 2;
max_width = min(max_width, dev_priv->texture_max_width);
max_height = min(max_height, dev_priv->texture_max_height);
/*
* For STDU extra limit for a mode on SVGA_REG_SCREENTARGET_MAX_WIDTH/
* HEIGHT registers.
*/
if (dev_priv->active_display_unit == vmw_du_screen_target) {
max_width = min(max_width, dev_priv->stdu_max_width);
max_width = min(max_width, dev_priv->texture_max_width);
max_height = min(max_height, dev_priv->stdu_max_height);
max_height = min(max_height, dev_priv->texture_max_height);
}
/* Add preferred mode */