Re: [PATCH 04/13] drm/exynos: use empty function instead of drm_helper_connector_dpms

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On 08/17/2012 06:50 PM, Inki Dae wrote:
crtc and encoder's dpms callback will be called before connector's dpms
is called so drm_helper_connector_dpms doesn't need to be called.

I can't understand this description. I know crtc and encoder dpms are called
by drm_helper_connector_dpms.

Signed-off-by: Inki Dae <inki.dae@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
  drivers/gpu/drm/exynos/exynos_drm_connector.c |    9 ++++++++-
  1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c
index d956819..65acf0d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_connector.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c
@@ -226,6 +226,13 @@ static struct drm_connector_helper_funcs exynos_connector_helper_funcs = {
  	.best_encoder	= exynos_drm_best_encoder,
  };
+static void exynos_drm_connector_dpms(struct drm_connector *connector, int mode)
+{
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	/* drm framework doesn't check NULL. */
+}
+
  static int exynos_drm_connector_fill_modes(struct drm_connector *connector,
  				unsigned int max_width, unsigned int max_height)
  {
@@ -285,7 +292,7 @@ static void exynos_drm_connector_destroy(struct drm_connector *connector)
  }
static struct drm_connector_funcs exynos_connector_funcs = {
-	.dpms		= drm_helper_connector_dpms,
+	.dpms		= exynos_drm_connector_dpms,
  	.fill_modes	= exynos_drm_connector_fill_modes,
  	.detect		= exynos_drm_connector_detect,
  	.destroy	= exynos_drm_connector_destroy,

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