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authorBrian Masney <masneyb@onstation.org>2019-11-21 20:26:44 -0500
committerRob Clark <robdclark@chromium.org>2020-01-02 14:23:48 -0800
commitd163ba0b65f2e46d6010625fa6603c93951a010f (patch)
tree34b44a150665ab65ac4655319789ad6bd17006e2 /drivers/gpu/drm
parent00bb9243d346cf749919035f2473d30fe9496153 (diff)
downloadlinux-d163ba0b65f2e46d6010625fa6603c93951a010f.tar.bz2
drm/msm/a3xx: set interconnect bandwidth vote
Set the two interconnect paths for the GPU to maximum speed for now to work towards getting the GPU working upstream. We can revisit a later time to optimize this for battery life. Signed-off-by: Brian Masney <masneyb@onstation.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/msm/adreno/a3xx_gpu.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
index 7ad14937fcdf..b67f88872726 100644
--- a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
@@ -506,6 +506,14 @@ struct msm_gpu *a3xx_gpu_init(struct drm_device *dev)
goto fail;
}
+ /*
+ * Set the ICC path to maximum speed for now by multiplying the fastest
+ * frequency by the bus width (8). We'll want to scale this later on to
+ * improve battery life.
+ */
+ icc_set_bw(gpu->icc_path, 0, Bps_to_icc(gpu->fast_rate) * 8);
+ icc_set_bw(gpu->ocmem_icc_path, 0, Bps_to_icc(gpu->fast_rate) * 8);
+
return gpu;
fail: