From: Brian Masney Date: Fri, 22 Nov 2019 01:26:45 +0000 (-0500) Subject: drm/msm/a4xx: set interconnect bandwidth vote X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=21f5a6c08b171b8ffd12d921facfe4597c0aa934;p=linux.git drm/msm/a4xx: 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/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c index b01388a9e89e4..253d8d85daad6 100644 --- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c @@ -591,6 +591,14 @@ struct msm_gpu *a4xx_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: