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Subject[PATCH] drm/tegra: rgb: Use atomic DPMS helpers
Date
Panel DPMS got broken after adding support for atomic modesetting.
Fix it by making RGB output use of generic atomic DPMS helpers.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/gpu/drm/tegra/rgb.c | 49 ++++++++++++++++-----------------------------
1 file changed, 17 insertions(+), 32 deletions(-)

diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c
index 7cd833f..46cbaf2 100644
--- a/drivers/gpu/drm/tegra/rgb.c
+++ b/drivers/gpu/drm/tegra/rgb.c
@@ -88,13 +88,8 @@ static void tegra_dc_write_regs(struct tegra_dc *dc,
tegra_dc_writel(dc, table[i].value, table[i].offset);
}

-static void tegra_rgb_connector_dpms(struct drm_connector *connector,
- int mode)
-{
-}
-
static const struct drm_connector_funcs tegra_rgb_connector_funcs = {
- .dpms = tegra_rgb_connector_dpms,
+ .dpms = drm_atomic_helper_connector_dpms,
.reset = drm_atomic_helper_connector_reset,
.detect = tegra_output_connector_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
@@ -125,21 +120,28 @@ static const struct drm_encoder_funcs tegra_rgb_encoder_funcs = {
.destroy = tegra_output_encoder_destroy,
};

-static void tegra_rgb_encoder_dpms(struct drm_encoder *encoder, int mode)
+static void tegra_rgb_encoder_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted)
{
}

-static void tegra_rgb_encoder_prepare(struct drm_encoder *encoder)
+static void tegra_rgb_encoder_disable(struct drm_encoder *encoder)
{
-}
+ struct tegra_output *output = encoder_to_output(encoder);
+ struct tegra_rgb *rgb = to_rgb(output);

-static void tegra_rgb_encoder_commit(struct drm_encoder *encoder)
-{
+ if (output->panel)
+ drm_panel_disable(output->panel);
+
+ tegra_dc_write_regs(rgb->dc, rgb_disable, ARRAY_SIZE(rgb_disable));
+ tegra_dc_commit(rgb->dc);
+
+ if (output->panel)
+ drm_panel_unprepare(output->panel);
}

-static void tegra_rgb_encoder_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted)
+static void tegra_rgb_encoder_enable(struct drm_encoder *encoder)
{
struct tegra_output *output = encoder_to_output(encoder);
struct tegra_rgb *rgb = to_rgb(output);
@@ -174,21 +176,6 @@ static void tegra_rgb_encoder_mode_set(struct drm_encoder *encoder,
drm_panel_enable(output->panel);
}

-static void tegra_rgb_encoder_disable(struct drm_encoder *encoder)
-{
- struct tegra_output *output = encoder_to_output(encoder);
- struct tegra_rgb *rgb = to_rgb(output);
-
- if (output->panel)
- drm_panel_disable(output->panel);
-
- tegra_dc_write_regs(rgb->dc, rgb_disable, ARRAY_SIZE(rgb_disable));
- tegra_dc_commit(rgb->dc);
-
- if (output->panel)
- drm_panel_unprepare(output->panel);
-}
-
static int
tegra_rgb_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_crtc_state *crtc_state,
@@ -231,11 +218,9 @@ tegra_rgb_encoder_atomic_check(struct drm_encoder *encoder,
}

static const struct drm_encoder_helper_funcs tegra_rgb_encoder_helper_funcs = {
- .dpms = tegra_rgb_encoder_dpms,
- .prepare = tegra_rgb_encoder_prepare,
- .commit = tegra_rgb_encoder_commit,
.mode_set = tegra_rgb_encoder_mode_set,
.disable = tegra_rgb_encoder_disable,
+ .enable = tegra_rgb_encoder_enable,
.atomic_check = tegra_rgb_encoder_atomic_check,
};

--
2.4.0


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