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drm.7971
0022-drm-tegra-Revert-dsi-runtime-pm.patch
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File 0022-drm-tegra-Revert-dsi-runtime-pm.patch of Package drm.7971
From: Takashi Iwai <tiwai@suse.de> Subject: drm/tegra: Revert dsi runtime pm A partial revert of the commit 87904c3e82319cf2bad8d656d79c5030dab9490e. Signed-off-by: Takashi Iwai <tiwai@suse.de> --- drivers/gpu/drm/tegra/dsi.c | 43 +++++++------------------------------------ 1 file changed, 7 insertions(+), 36 deletions(-) --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -840,21 +840,6 @@ static const struct drm_encoder_funcs te .destroy = tegra_output_encoder_destroy, }; -static void tegra_dsi_unprepare(struct tegra_dsi *dsi) -{ - int err; - - if (dsi->slave) - tegra_dsi_unprepare(dsi->slave); - - err = tegra_mipi_disable(dsi->mipi); - if (err < 0) - dev_err(dsi->dev, "failed to disable MIPI calibration: %d\n", - err); - - pm_runtime_put(dsi->dev); -} - static void tegra_dsi_encoder_disable(struct drm_encoder *encoder) { struct tegra_output *output = encoder_to_output(encoder); @@ -891,26 +876,7 @@ static void tegra_dsi_encoder_disable(st tegra_dsi_disable(dsi); - tegra_dsi_unprepare(dsi); -} - -static void tegra_dsi_prepare(struct tegra_dsi *dsi) -{ - int err; - - pm_runtime_get_sync(dsi->dev); - - err = tegra_mipi_enable(dsi->mipi); - if (err < 0) - dev_err(dsi->dev, "failed to enable MIPI calibration: %d\n", - err); - - err = tegra_dsi_pad_calibrate(dsi); - if (err < 0) - dev_err(dsi->dev, "MIPI calibration failed: %d\n", err); - - if (dsi->slave) - tegra_dsi_prepare(dsi->slave); + pm_runtime_put(dsi->dev); } static void tegra_dsi_encoder_enable(struct drm_encoder *encoder) @@ -921,8 +887,13 @@ static void tegra_dsi_encoder_enable(str struct tegra_dsi *dsi = to_dsi(output); struct tegra_dsi_state *state; u32 value; + int err; + + pm_runtime_get_sync(dsi->dev); - tegra_dsi_prepare(dsi); + err = tegra_dsi_pad_calibrate(dsi); + if (err < 0) + dev_err(dsi->dev, "MIPI calibration failed: %d\n", err); state = tegra_dsi_get_state(dsi);
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