diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_display.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 44e1952582aa..ea3921652449 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -31,6 +31,13 @@ #include <drm/drm_fb_helper.h> #include <nvif/class.h> +#include <nvif/cl0002.h> +#include <nvif/cl5070.h> +#include <nvif/cl507a.h> +#include <nvif/cl507b.h> +#include <nvif/cl507c.h> +#include <nvif/cl507d.h> +#include <nvif/cl507e.h> #include "nouveau_drm.h" #include "nouveau_dma.h" @@ -774,7 +781,6 @@ nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update) */ if (nv_connector && ( nv_connector->underscan == UNDERSCAN_ON || (nv_connector->underscan == UNDERSCAN_AUTO && - nv_connector->edid && drm_detect_hdmi_monitor(nv_connector->edid)))) { u32 bX = nv_connector->underscan_hborder; u32 bY = nv_connector->underscan_vborder; @@ -1962,10 +1968,17 @@ nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode, switch (nv_encoder->dcb->type) { case DCB_OUTPUT_TMDS: if (nv_encoder->dcb->sorconf.link & 1) { - if (mode->clock < 165000) - proto = 0x1; - else - proto = 0x5; + proto = 0x1; + /* Only enable dual-link if: + * - Need to (i.e. rate > 165MHz) + * - DCB says we can + * - Not an HDMI monitor, since there's no dual-link + * on HDMI. + */ + if (mode->clock >= 165000 && + nv_encoder->dcb->duallink_possible && + !drm_detect_hdmi_monitor(nv_connector->edid)) + proto |= 0x4; } else { proto = 0x2; } |