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Date: Fri, 25 Apr 2014 16:19:54 +0900 From: Alexandre Courbot <acourbot@...dia.com> To: Ben Skeggs <bskeggs@...hat.com> CC: Thierry Reding <thierry.reding@...il.com>, <nouveau@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>, <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <gnurou@...il.com>, Alexandre Courbot <acourbot@...dia.com> Subject: [PATCH v3 7/9] drm/nouveau/graph: pad firmware code at load time Pad the microcode to a multiple of 0x40 words, otherwise firmware will fail to run from non-prepadded firmware files. Signed-off-by: Alexandre Courbot <acourbot@...dia.com> Reviewed-by: Thierry Reding <treding@...dia.com> --- drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c index e5b75f189988..ba324016120a 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nvc0.c @@ -894,6 +894,10 @@ nvc0_graph_init_fw(struct nvc0_graph_priv *priv, u32 fuc_base, nv_wr32(priv, fuc_base + 0x0188, i >> 6); nv_wr32(priv, fuc_base + 0x0184, code->data[i]); } + + /* code must be padded to 0x40 words */ + for (; i & 0x3f; i++) + nv_wr32(priv, fuc_base + 0x0184, 0); } static void -- 1.9.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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