diff options
| author | Thierry Reding <treding@nvidia.com> | 2017-12-14 15:46:20 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2017-12-21 16:52:35 +0300 |
| commit | ab7d3f5826c55ad23101327eab435660caa83436 (patch) | |
| tree | 8d8c77f5c2f8c727bebcd0ba2085a91369b2dee4 /drivers/gpu/drm/tegra/drm.c | |
| parent | 363541e8eeed16fdf696252008ddee823730f82c (diff) | |
| download | linux-ab7d3f5826c55ad23101327eab435660caa83436.tar.xz | |
drm/tegra: Implement zpos property
Implement the standard zpos property for planes on Tegra124 and later.
Earlier generations have a different blending unit that needs different
programming.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/drm.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/drm.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 2fa1b48e14d2..52468f669277 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -33,6 +33,29 @@ struct tegra_drm_file { struct mutex lock; }; +static int tegra_atomic_check(struct drm_device *drm, + struct drm_atomic_state *state) +{ + int err; + + err = drm_atomic_helper_check_modeset(drm, state); + if (err < 0) + return err; + + err = drm_atomic_normalize_zpos(drm, state); + if (err < 0) + return err; + + err = drm_atomic_helper_check_planes(drm, state); + if (err < 0) + return err; + + if (state->legacy_cursor_update) + state->async_update = !drm_atomic_helper_async_check(drm, state); + + return 0; +} + static struct drm_atomic_state * tegra_atomic_state_alloc(struct drm_device *drm) { @@ -67,7 +90,7 @@ static const struct drm_mode_config_funcs tegra_drm_mode_config_funcs = { #ifdef CONFIG_DRM_FBDEV_EMULATION .output_poll_changed = tegra_fb_output_poll_changed, #endif - .atomic_check = drm_atomic_helper_check, + .atomic_check = tegra_atomic_check, .atomic_commit = drm_atomic_helper_commit, .atomic_state_alloc = tegra_atomic_state_alloc, .atomic_state_clear = tegra_atomic_state_clear, |