diff options
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_fb.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_main.c | 5 |
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c index 964f58cee5ea..005b60aa2a00 100644 --- a/drivers/gpu/drm/mgag200/mgag200_fb.c +++ b/drivers/gpu/drm/mgag200/mgag200_fb.c @@ -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; } diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c index a1bfe7258364..26868e5c55b0 100644 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ b/drivers/gpu/drm/mgag200/mgag200_main.c @@ -217,7 +217,10 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags) drm_mode_config_init(dev); dev->mode_config.funcs = (void *)&mga_mode_funcs; - dev->mode_config.preferred_depth = 24; + if (IS_G200_SE(mdev) && mdev->mc.vram_size < (2048*1024)) + dev->mode_config.preferred_depth = 16; + else + dev->mode_config.preferred_depth = 24; dev->mode_config.prefer_shadow = 1; r = mgag200_modeset_init(mdev); |