From: Brian Masney Date: Fri, 22 Nov 2019 01:26:44 +0000 (-0500) Subject: drm/msm/a3xx: set interconnect bandwidth vote X-Git-Tag: v5.6-rc1~114^2~4^2~36 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d163ba0b65f2e46d6010625fa6603c93951a010f;p=thirdparty%2Fkernel%2Flinux.git 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 Reviewed-by: Bjorn Andersson Signed-off-by: Rob Clark --- diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c index 7ad14937fcdf8..b67f888727264 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: