diff options
| author | Sinclair Yeh <syeh@vmware.com> | 2014-11-13 14:22:10 -0800 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2014-11-14 13:24:17 +0100 |
| commit | 2edb76f37c9f8e3081c5b5619c51f8f291819531 (patch) | |
| tree | 9c0402ac67a2e7f2948feb682a5c10f739d97dca /drivers/gpu | |
| parent | d4023bb346873d9f367e174b3e8cc860959296b0 (diff) | |
| download | lwn-2edb76f37c9f8e3081c5b5619c51f8f291819531.tar.gz lwn-2edb76f37c9f8e3081c5b5619c51f8f291819531.zip | |
When screen objects are enabled, the bpp is assumed to be 32, otherwise it is set to 16.
v2:
* Use u32 instead of u64 for assumed_bpp.
* Fixed mechanism to check for screen objects
* Limit the back buffer size to VRAM.
v3:
* Backported for 3.12-stable
Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index fc43c0601236..dab6fab5dc99 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1939,6 +1939,14 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }; int i; + u32 assumed_bpp = 2; + + /* + * If using screen objects, then assume 32-bpp because that's what the + * SVGA device is assuming + */ + if (dev_priv->sou_priv) + assumed_bpp = 4; /* Add preferred mode */ { @@ -1949,8 +1957,9 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector, mode->vdisplay = du->pref_height; vmw_guess_mode_timing(mode); - if (vmw_kms_validate_mode_vram(dev_priv, mode->hdisplay * 2, - mode->vdisplay)) { + if (vmw_kms_validate_mode_vram(dev_priv, + mode->hdisplay * assumed_bpp, + mode->vdisplay)) { drm_mode_probed_add(connector, mode); } else { drm_mode_destroy(dev, mode); @@ -1972,7 +1981,8 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector, bmode->vdisplay > max_height) continue; - if (!vmw_kms_validate_mode_vram(dev_priv, bmode->hdisplay * 2, + if (!vmw_kms_validate_mode_vram(dev_priv, + bmode->hdisplay * assumed_bpp, bmode->vdisplay)) continue; |