From 63718a0730c666edcac94c261d1df5edef80fd23 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 16 Nov 2012 11:44:14 +1000 Subject: [PATCH] drm/nvd0/disp: enable support for older display classes Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nvd0_display.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c index 9d001c994d11..d0920acea741 100644 --- a/drivers/gpu/drm/nouveau/nvd0_display.c +++ b/drivers/gpu/drm/nouveau/nvd0_display.c @@ -1896,6 +1896,11 @@ nvd0_display_create(struct drm_device *dev) static const u16 oclass[] = { NVE0_DISP_CLASS, NVD0_DISP_CLASS, + NVA3_DISP_CLASS, + NV94_DISP_CLASS, + NVA0_DISP_CLASS, + NV84_DISP_CLASS, + NV50_DISP_CLASS, }; struct nouveau_device *device = nouveau_dev(dev); struct nouveau_drm *drm = nouveau_drm(dev); @@ -1949,7 +1954,11 @@ nvd0_display_create(struct drm_device *dev) goto out; /* create crtc objects to represent the hw heads */ - crtcs = nv_rd32(device, 0x022448); + if (nv_mclass(disp->core) >= NVD0_DISP_CLASS) + crtcs = nv_rd32(device, 0x022448); + else + crtcs = 2; + for (i = 0; i < crtcs; i++) { ret = nvd0_crtc_create(dev, disp->core, i); if (ret) -- 2.39.5