diff options
| -rw-r--r-- | drivers/gpu/drm/tegra/sor.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index 2793e75c6573..7463ea02a083 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -1320,6 +1320,27 @@ unlock: mutex_unlock(&sor->lock); } +static int +tegra_sor_encoder_atomic_check(struct drm_encoder *encoder, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) +{ + struct tegra_output *output = encoder_to_output(encoder); + struct tegra_dc *dc = to_tegra_dc(conn_state->crtc); + unsigned long pclk = crtc_state->mode.clock * 1000; + struct tegra_sor *sor = to_sor(output); + int err; + + err = tegra_dc_state_setup_clock(dc, crtc_state, sor->clk_parent, + pclk, 0); + if (err < 0) { + dev_err(output->dev, "failed to setup CRTC state: %d\n", err); + return err; + } + + return 0; +} + static const struct drm_encoder_helper_funcs tegra_sor_encoder_helper_funcs = { .dpms = tegra_sor_encoder_dpms, .mode_fixup = tegra_sor_encoder_mode_fixup, @@ -1327,6 +1348,7 @@ static const struct drm_encoder_helper_funcs tegra_sor_encoder_helper_funcs = { .commit = tegra_sor_encoder_commit, .mode_set = tegra_sor_encoder_mode_set, .disable = tegra_sor_encoder_disable, + .atomic_check = tegra_sor_encoder_atomic_check, }; static int tegra_sor_init(struct host1x_client *client) |