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| author | Chia-I Wu <olvaffe@gmail.com> | 2011-08-24 14:07:06 +0800 |
|---|---|---|
| committer | Chia-I Wu <olvaffe@gmail.com> | 2011-08-24 14:52:40 +0800 |
| commit | db29afe66e49efc4f28016154ca46541fd640359 (patch) | |
| tree | 9032f4a3403eb39acc588aa550be0c8a1a2df028 /gralloc_drm_kms.c | |
| parent | 64591d8f71b902b32d07122e91a1e1a3129dab61 (diff) | |
| download | external_drm_gralloc-db29afe66e49efc4f28016154ca46541fd640359.zip external_drm_gralloc-db29afe66e49efc4f28016154ca46541fd640359.tar.gz external_drm_gralloc-db29afe66e49efc4f28016154ca46541fd640359.tar.bz2 | |
vmwgfx: assorted fixes
Based on trial and error, we know
- drm_kms_wait_for_post() hangs the VM
- drmModeDirtyFB() should be called whenever the front buffer changes
- drmModePageFlip() is not supported
They might not be entirely correct, but fixing them makes drm_gralloc
work.
Diffstat (limited to 'gralloc_drm_kms.c')
| -rw-r--r-- | gralloc_drm_kms.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gralloc_drm_kms.c b/gralloc_drm_kms.c index 6b4a63d..9dc917b 100644 --- a/gralloc_drm_kms.c +++ b/gralloc_drm_kms.c @@ -85,10 +85,8 @@ static int drm_kms_set_crtc(struct gralloc_drm_t *drm, int fb_id) return ret; } -#ifdef DRM_MODE_FEATURE_DIRTYFB - if (drm->mode_dirty_fb) + if (drm->mode_quirk_vmwgfx) ret = drmModeDirtyFB(drm->fd, fb_id, &drm->clip, 1); -#endif return ret; } @@ -150,6 +148,9 @@ static void drm_kms_wait_for_post(struct gralloc_drm_t *drm, int flip) drmVBlank vbl; int ret; + if (drm->mode_quirk_vmwgfx) + return; + flip = !!flip; memset(&vbl, 0, sizeof(vbl)); @@ -257,6 +258,8 @@ int gralloc_drm_bo_post(struct gralloc_drm_bo_t *bo) bo, 0, 0, bo->handle->width, bo->handle->height); + if (drm->mode_quirk_vmwgfx) + ret = drmModeDirtyFB(drm->fd, drm->current_front->fb_id, &drm->clip, 1); ret = 0; break; case DRM_SWAP_SETCRTC: |