diff options
author | Deepak Nibade <dnibade@nvidia.com> | 2017-01-20 04:44:19 -0500 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2017-01-25 05:41:03 -0500 |
commit | 74948b73e366781118a0a7c43cb788d70352a721 (patch) | |
tree | de4f7c965713ac806aafb6bc453f139fb6dcd896 /drivers/gpu | |
parent | 8613119529b37b78275092f274212b0a08e2e27d (diff) |
Revert "nvgpu: gp10b: remove EMC floor when GPU Fmin"
This reverts commit c58da17d131bc551f8b3c5a05e60d8375d940f02.
With original patch, we request 0 emc for minimum GPU
frequency, and this causes instability on Quill-B00
Hence revert this patch
Original patch : http://git-master/r/#/c/1284572/
Bug 1864117
Bug 1863013
Change-Id: I45aadba4614286f04b29a5abb7432d03d99ed6c1
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1291512
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/nvgpu/gp10b/platform_gp10b_tegra.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/gpu/nvgpu/gp10b/platform_gp10b_tegra.c b/drivers/gpu/nvgpu/gp10b/platform_gp10b_tegra.c index 9f45c929..c198f9f1 100644 --- a/drivers/gpu/nvgpu/gp10b/platform_gp10b_tegra.c +++ b/drivers/gpu/nvgpu/gp10b/platform_gp10b_tegra.c | |||
@@ -312,14 +312,7 @@ static void gp10b_tegra_postscale(struct device *pdev, | |||
312 | 312 | ||
313 | gk20a_dbg_fn(""); | 313 | gk20a_dbg_fn(""); |
314 | if (profile && !gp10b_tegra_is_railgated(pdev)) { | 314 | if (profile && !gp10b_tegra_is_railgated(pdev)) { |
315 | unsigned long emc_scale; | 315 | emc_rate = (freq * EMC_BW_RATIO * g->emc3d_ratio) / 1000; |
316 | |||
317 | if (freq <= gp10b_freq_table[0]) | ||
318 | emc_scale = 0; | ||
319 | else | ||
320 | emc_scale = g->emc3d_ratio; | ||
321 | |||
322 | emc_rate = (freq * EMC_BW_RATIO * emc_scale) / 1000; | ||
323 | 316 | ||
324 | if (emc_rate > tegra_bwmgr_get_max_emc_rate()) | 317 | if (emc_rate > tegra_bwmgr_get_max_emc_rate()) |
325 | emc_rate = tegra_bwmgr_get_max_emc_rate(); | 318 | emc_rate = tegra_bwmgr_get_max_emc_rate(); |