summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
diff options
context:
space:
mode:
authorTony Lindgren <tony@atomide.com>2019-05-20 08:32:11 -0700
committerTony Lindgren <tony@atomide.com>2019-05-20 08:32:11 -0700
commitf29f24b5568fd6169e0363c78f1a80db38d0e7e9 (patch)
tree835abaf6e1bb95b9d388f4249f355618e9da1489 /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
parent1ba12322e2f0934383f111a5e695702aaf46b812 (diff)
parent34b1b8061de3215208db9accfe60cc3f5b40178f (diff)
downloadtalos-op-linux-f29f24b5568fd6169e0363c78f1a80db38d0e7e9.tar.gz
talos-op-linux-f29f24b5568fd6169e0363c78f1a80db38d0e7e9.zip
Merge branch 'fixes-dra7' into fixes
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index 462a04e0f5e6..7d484fad3909 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -36,6 +36,7 @@ void amdgpu_virt_init_setting(struct amdgpu_device *adev)
/* enable virtual display */
adev->mode_info.num_crtc = 1;
adev->enable_virtual_display = true;
+ adev->ddev->driver->driver_features &= ~DRIVER_ATOMIC;
adev->cg_flags = 0;
adev->pg_flags = 0;
}
@@ -375,4 +376,53 @@ void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev)
}
}
+static uint32_t parse_clk(char *buf, bool min)
+{
+ char *ptr = buf;
+ uint32_t clk = 0;
+
+ do {
+ ptr = strchr(ptr, ':');
+ if (!ptr)
+ break;
+ ptr+=2;
+ clk = simple_strtoul(ptr, NULL, 10);
+ } while (!min);
+
+ return clk * 100;
+}
+
+uint32_t amdgpu_virt_get_sclk(struct amdgpu_device *adev, bool lowest)
+{
+ char *buf = NULL;
+ uint32_t clk = 0;
+
+ buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ adev->virt.ops->get_pp_clk(adev, PP_SCLK, buf);
+ clk = parse_clk(buf, lowest);
+
+ kfree(buf);
+
+ return clk;
+}
+
+uint32_t amdgpu_virt_get_mclk(struct amdgpu_device *adev, bool lowest)
+{
+ char *buf = NULL;
+ uint32_t clk = 0;
+
+ buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ adev->virt.ops->get_pp_clk(adev, PP_MCLK, buf);
+ clk = parse_clk(buf, lowest);
+
+ kfree(buf);
+
+ return clk;
+}
OpenPOWER on IntegriCloud