From c864da01d45ed9408ab8a0e7ee5c78f5bbab5b37 Mon Sep 17 00:00:00 2001 From: =?utf-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Fri, 11 Sep 2009 20:23:10 +0200 Subject: [PATCH] drm/radeon/kms: downclock to minimum on DPMS_OFF --- drivers/gpu/drm/radeon/atombios_crtc.c | 2 ++ drivers/gpu/drm/radeon/radeon.h | 1 + drivers/gpu/drm/radeon/radeon_pm.c | 21 +++++++++++++++++++++ 3 files changed, 24 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index a7edd0f..1f96b43 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -266,6 +266,8 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) if (mode != DRM_MODE_DPMS_OFF) { radeon_crtc_load_lut(crtc); } + + radeon_pm_adjust(rdev); } static void diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 28a10d1..bfd8ab1 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -575,6 +575,7 @@ struct radeon_pm { }; void radeon_pm_init(struct radeon_device *rdev); +void radeon_pm_adjust(struct radeon_device *rdev); /* diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 712f5d5..f6a79ce 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -98,3 +98,24 @@ static void radeon_pm_set_state(struct radeon_device *rdev, char *name, struct r rdev->pm.last_set = state; } + +void radeon_pm_adjust(struct radeon_device *rdev) +{ + struct drm_device *ddev = rdev->ddev; + struct drm_connector *connector; + int count; + + count = 0; + list_for_each_entry(connector, &ddev->mode_config.connector_list, head) { + if (connector->encoder && connector->dpms != DRM_MODE_DPMS_OFF) + ++count; + } + DRM_INFO("[ZAJEC] active: %d\n", count); + + if (!count) { + radeon_pm_set_state(rdev, "Minimum", &rdev->pm.chip_minimum); + } + else { + radeon_pm_set_state(rdev, "Default", &rdev->pm.chip_default); + } +} -- 1.6.0.2