diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_connector.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_connector.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 5dd1d0111cac..fcebfae5d426 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -42,6 +42,8 @@ #include "nouveau_encoder.h" #include "nouveau_crtc.h" +#include <nvif/class.h> +#include <nvif/cl0046.h> #include <nvif/event.h> MODULE_PARM_DESC(tv_disable, "Disable TV-out detection"); @@ -56,6 +58,10 @@ MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)"); int nouveau_duallink = 1; module_param_named(duallink, nouveau_duallink, int, 0400); +MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)"); +int nouveau_hdmimhz = 0; +module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400); + struct nouveau_encoder * find_encoder(struct drm_connector *connector, int type) { @@ -809,12 +815,23 @@ nouveau_connector_get_modes(struct drm_connector *connector) } static unsigned -get_tmds_link_bandwidth(struct drm_connector *connector) +get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi) { struct nouveau_connector *nv_connector = nouveau_connector(connector); struct nouveau_drm *drm = nouveau_drm(connector->dev); struct dcb_output *dcb = nv_connector->detected_encoder->dcb; + if (hdmi) { + if (nouveau_hdmimhz > 0) + return nouveau_hdmimhz * 1000; + /* Note: these limits are conservative, some Fermi's + * can do 297 MHz. Unclear how this can be determined. + */ + if (drm->device.info.family >= NV_DEVICE_INFO_V0_KEPLER) + return 297000; + if (drm->device.info.family >= NV_DEVICE_INFO_V0_FERMI) + return 225000; + } if (dcb->location != DCB_LOC_ON_CHIP || drm->device.info.chipset >= 0x46) return 165000; @@ -835,6 +852,7 @@ nouveau_connector_mode_valid(struct drm_connector *connector, struct drm_encoder *encoder = to_drm_encoder(nv_encoder); unsigned min_clock = 25000, max_clock = min_clock; unsigned clock = mode->clock; + bool hdmi; switch (nv_encoder->dcb->type) { case DCB_OUTPUT_LVDS: @@ -847,8 +865,10 @@ nouveau_connector_mode_valid(struct drm_connector *connector, max_clock = 400000; break; case DCB_OUTPUT_TMDS: - max_clock = get_tmds_link_bandwidth(connector); - if (nouveau_duallink && nv_encoder->dcb->duallink_possible) + hdmi = drm_detect_hdmi_monitor(nv_connector->edid); + max_clock = get_tmds_link_bandwidth(connector, hdmi); + if (!hdmi && nouveau_duallink && + nv_encoder->dcb->duallink_possible) max_clock *= 2; break; case DCB_OUTPUT_ANALOG: @@ -963,10 +983,13 @@ nouveau_connector_hotplug(struct nvif_notify *notify) NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name); + mutex_lock(&drm->dev->mode_config.mutex); if (plugged) drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON); else drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); + mutex_unlock(&drm->dev->mode_config.mutex); + drm_helper_hpd_irq_event(connector->dev); } |