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path: root/drivers/gpu/drm/mgag200/mgag200_fb.c
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Diffstat (limited to 'drivers/gpu/drm/mgag200/mgag200_fb.c')
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_fb.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
index 964f58cee5ea..f9adc27ef32a 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -41,7 +41,7 @@ static void mga_dirty_update(struct mga_fbdev *mfbdev,
* then the BO is being moved and we should
* store up the damage until later.
*/
- if (!in_interrupt())
+ if (!drm_can_sleep())
ret = mgag200_bo_reserve(bo, true);
if (ret) {
if (ret != -EBUSY)
@@ -282,6 +282,11 @@ int mgag200_fbdev_init(struct mga_device *mdev)
{
struct mga_fbdev *mfbdev;
int ret;
+ int bpp_sel = 32;
+
+ /* prefer 16bpp on low end gpus with limited VRAM */
+ if (IS_G200_SE(mdev) && mdev->mc.vram_size < (2048*1024))
+ bpp_sel = 16;
mfbdev = devm_kzalloc(mdev->dev->dev, sizeof(struct mga_fbdev), GFP_KERNEL);
if (!mfbdev)
@@ -301,7 +306,7 @@ int mgag200_fbdev_init(struct mga_device *mdev)
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(mdev->dev);
- drm_fb_helper_initial_config(&mfbdev->helper, 32);
+ drm_fb_helper_initial_config(&mfbdev->helper, bpp_sel);
return 0;
}