diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_connectors.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 63 |
1 files changed, 55 insertions, 8 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 43f7600803c3..5a74b173eb79 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -31,6 +31,8 @@ #include "radeon.h" #include "atom.h" +#include <linux/pm_runtime.h> + extern void radeon_combios_connected_scratch_regs(struct drm_connector *connector, struct drm_encoder *encoder, @@ -641,6 +643,11 @@ radeon_lvds_detect(struct drm_connector *connector, bool force) struct radeon_connector *radeon_connector = to_radeon_connector(connector); struct drm_encoder *encoder = radeon_best_single_encoder(connector); enum drm_connector_status ret = connector_status_disconnected; + int r; + + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; if (encoder) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); @@ -666,6 +673,8 @@ radeon_lvds_detect(struct drm_connector *connector, bool force) /* check acpi lid status ??? */ radeon_connector_update_scratch_regs(connector, ret); + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); return ret; } @@ -765,6 +774,11 @@ radeon_vga_detect(struct drm_connector *connector, bool force) struct drm_encoder_helper_funcs *encoder_funcs; bool dret = false; enum drm_connector_status ret = connector_status_disconnected; + int r; + + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; encoder = radeon_best_single_encoder(connector); if (!encoder) @@ -805,9 +819,8 @@ radeon_vga_detect(struct drm_connector *connector, bool force) * detected a monitor via load. */ if (radeon_connector->detected_by_load) - return connector->status; - else - return ret; + ret = connector->status; + goto out; } if (radeon_connector->dac_load_detect && encoder) { @@ -832,6 +845,11 @@ radeon_vga_detect(struct drm_connector *connector, bool force) } radeon_connector_update_scratch_regs(connector, ret); + +out: + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + return ret; } @@ -888,10 +906,15 @@ radeon_tv_detect(struct drm_connector *connector, bool force) struct drm_encoder_helper_funcs *encoder_funcs; struct radeon_connector *radeon_connector = to_radeon_connector(connector); enum drm_connector_status ret = connector_status_disconnected; + int r; if (!radeon_connector->dac_load_detect) return ret; + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + encoder = radeon_best_single_encoder(connector); if (!encoder) ret = connector_status_disconnected; @@ -902,6 +925,8 @@ radeon_tv_detect(struct drm_connector *connector, bool force) if (ret == connector_status_connected) ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false); radeon_connector_update_scratch_regs(connector, ret); + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); return ret; } @@ -969,12 +994,18 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) struct drm_encoder *encoder = NULL; struct drm_encoder_helper_funcs *encoder_funcs; struct drm_mode_object *obj; - int i; + int i, r; enum drm_connector_status ret = connector_status_disconnected; bool dret = false, broken_edid = false; - if (!force && radeon_check_hpd_status_unchanged(connector)) - return connector->status; + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + + if (!force && radeon_check_hpd_status_unchanged(connector)) { + ret = connector->status; + goto exit; + } if (radeon_connector->ddc_bus) dret = radeon_ddc_probe(radeon_connector, false); @@ -1125,6 +1156,11 @@ out: /* updated in get modes as well since we need to know if it's analog or digital */ radeon_connector_update_scratch_regs(connector, ret); + +exit: + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + return ret; } @@ -1392,9 +1428,16 @@ radeon_dp_detect(struct drm_connector *connector, bool force) enum drm_connector_status ret = connector_status_disconnected; struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv; struct drm_encoder *encoder = radeon_best_single_encoder(connector); + int r; - if (!force && radeon_check_hpd_status_unchanged(connector)) - return connector->status; + r = pm_runtime_get_sync(connector->dev->dev); + if (r < 0) + return connector_status_disconnected; + + if (!force && radeon_check_hpd_status_unchanged(connector)) { + ret = connector->status; + goto out; + } if (radeon_connector->edid) { kfree(radeon_connector->edid); @@ -1458,6 +1501,10 @@ radeon_dp_detect(struct drm_connector *connector, bool force) } radeon_connector_update_scratch_regs(connector, ret); +out: + pm_runtime_mark_last_busy(connector->dev->dev); + pm_runtime_put_autosuspend(connector->dev->dev); + return ret; } |