From 97b19b5c6f32842c92800b62b367cc5a91555188 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 16 Nov 2012 11:21:37 +1000 Subject: [PATCH] drm/nvd0/disp: implement dac support for older display classes Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nvd0_display.c | 73 ++++++++++++++++++++++------------ 1 file changed, 48 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c index 8abc3ed..037602b 100644 --- a/drivers/gpu/drm/nouveau/nvd0_display.c +++ b/drivers/gpu/drm/nouveau/nvd0_display.c @@ -1264,30 +1264,46 @@ static void nvd0_dac_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { + struct nvd0_mast *mast = nvd0_mast(encoder->dev); struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); - u32 syncs, magic, *push; - - syncs = 0x00000001; - if (mode->flags & DRM_MODE_FLAG_NHSYNC) - syncs |= 0x00000008; - if (mode->flags & DRM_MODE_FLAG_NVSYNC) - syncs |= 0x00000010; - - magic = 0x31ec6000 | (nv_crtc->index << 25); - if (mode->flags & DRM_MODE_FLAG_INTERLACE) - magic |= 0x00000001; + u32 *push; nvd0_dac_dpms(encoder, DRM_MODE_DPMS_ON); - push = evo_wait(nvd0_mast(encoder->dev), 8); + push = evo_wait(mast, 8); if (push) { - evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2); - evo_data(push, syncs); - evo_data(push, magic); - evo_mthd(push, 0x0180 + (nv_encoder->or * 0x020), 1); - evo_data(push, 1 << nv_crtc->index); - evo_kick(push, nvd0_mast(encoder->dev)); + if (nvd0_vers(mast) < NVD0_DISP_MAST_CLASS) { + u32 syncs = 0x00000000; + + if (mode->flags & DRM_MODE_FLAG_NHSYNC) + syncs |= 0x00000001; + if (mode->flags & DRM_MODE_FLAG_NVSYNC) + syncs |= 0x00000002; + + evo_mthd(push, 0x0400 + (nv_encoder->or * 0x080), 2); + evo_data(push, 1 << nv_crtc->index); + evo_data(push, syncs); + } else { + u32 magic = 0x31ec6000 | (nv_crtc->index << 25); + u32 syncs = 0x00000001; + + if (mode->flags & DRM_MODE_FLAG_NHSYNC) + syncs |= 0x00000008; + if (mode->flags & DRM_MODE_FLAG_NVSYNC) + syncs |= 0x00000010; + + if (mode->flags & DRM_MODE_FLAG_INTERLACE) + magic |= 0x00000001; + + evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2); + evo_data(push, syncs); + evo_data(push, magic); + evo_mthd(push, 0x0180 + (nv_encoder->or * 0x020), 1); + evo_data(push, 1 << nv_crtc->index); + } + + evo_kick(push, mast); } nv_encoder->crtc = encoder->crtc; @@ -1297,23 +1313,30 @@ static void nvd0_dac_disconnect(struct drm_encoder *encoder) { struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); - struct drm_device *dev = encoder->dev; + struct nvd0_mast *mast = nvd0_mast(encoder->dev); + const int or = nv_encoder->or; u32 *push; if (nv_encoder->crtc) { nvd0_crtc_prepare(nv_encoder->crtc); - push = evo_wait(nvd0_mast(dev), 4); + push = evo_wait(mast, 4); if (push) { - evo_mthd(push, 0x0180 + (nv_encoder->or * 0x20), 1); - evo_data(push, 0x00000000); + if (nvd0_vers(mast) < NVD0_DISP_MAST_CLASS) { + evo_mthd(push, 0x0400 + (or * 0x080), 1); + evo_data(push, 0x00000000); + } else { + evo_mthd(push, 0x0180 + (or * 0x020), 1); + evo_data(push, 0x00000000); + } + evo_mthd(push, 0x0080, 1); evo_data(push, 0x00000000); - evo_kick(push, nvd0_mast(dev)); + evo_kick(push, mast); } - - nv_encoder->crtc = NULL; } + + nv_encoder->crtc = NULL; } static enum drm_connector_status -- 2.7.4