From: Ben Skeggs Date: Thu, 28 Aug 2014 01:52:12 +0000 (+1000) Subject: drm/gf110-/disp: magic that might help some tmds issues X-Git-Tag: v3.19-rc1~73^2~15^2~47 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=e16cc45c7db9d094c90a7e0fb0f163203c622748;p=linux.git drm/gf110-/disp: magic that might help some tmds issues The binary driver has been doing this since GF119, and we've somehow gotten away with it. But, TMDS that hasn't been initialised already by the x86 vbios code is distorted without it on GM204. Signed-off-by: Ben Skeggs --- diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c index 747e64bb9c06..2aae9d3a5e54 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c @@ -1063,10 +1063,18 @@ nvd0_disp_intr_unk2_2(struct nv50_disp_priv *priv, int head) addr = 0x612280 + (ffs(outp->info.or) - 1) * 0x800; data = 0x00000000; } else { - if (outp->info.type == DCB_OUTPUT_DP) - nvd0_disp_intr_unk2_2_tu(priv, head, &outp->info); addr = 0x612300 + (ffs(outp->info.or) - 1) * 0x800; data = (conf & 0x0100) ? 0x00000101 : 0x00000000; + switch (outp->info.type) { + case DCB_OUTPUT_TMDS: + nv_mask(priv, addr, 0x007c0000, 0x00280000); + break; + case DCB_OUTPUT_DP: + nvd0_disp_intr_unk2_2_tu(priv, head, &outp->info); + break; + default: + break; + } } nv_mask(priv, addr, 0x00000707, data);