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gpu: nvgpu: Add support to query dgpu max freq

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Implement get_maxrate for TU104.
This function will use the clk_arb to get the P0 Max from VBIOS.

Bug 2610308

Change-Id: I09c692676bf949f300c9edd00f4faa26118b124f
Signed-off-by: Abdul Salam <absalam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2133427
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Abdul Salam
2019-06-13 11:55:38 +05:30
committed by mobile promotions
parent 627a933da5
commit ebeeec68ed
4 changed files with 24 additions and 3 deletions
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7
drivers/gpu/nvgpu/os/linux/ioctl_ctrl.c
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@@ -47,6 +47,7 @@
#include <nvgpu/power_features/pg.h>
#include <nvgpu/fence.h>
#include <nvgpu/channel_sync_syncpt.h>
#include <nvgpu/soc.h>
#include "ioctl_ctrl.h"
#include "ioctl_dbg.h"
@@ -376,8 +377,10 @@ gk20a_ctrl_ioctl_gpu_characteristics(
gpu.cbc_cache_line_size = nvgpu_ltc_get_cacheline_size(g);
gpu.cbc_comptags_per_line = g->cbc->comptags_per_cacheline;
if (g->ops.clk.get_maxrate)
gpu.max_freq = g->ops.clk.get_maxrate(g, CTRL_CLK_DOMAIN_GPCCLK);
if ((g->ops.clk.get_maxrate) && nvgpu_platform_is_silicon(g)) {
gpu.max_freq = g->ops.clk.get_maxrate(g,
CTRL_CLK_DOMAIN_GPCCLK);
}
gpu.local_video_memory_size = g->mm.vidmem.size;