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intel: common: express timestamps units in frequency

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Rather than storing the period as a double that looses some precision.

Also fixes the Gen9LP timestamp frequency which is no 19200123 but
19200000 as pointed by Ville :

https://lists.freedesktop.org/archives/intel-gfx/2017-April/125126.html

Finally add the Cannonlake timestamp frequency.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Lionel Landwerlin
2017-06-15 15:22:19 +01:00
parent e5743ee014
commit c77d98ef32
4 changed files with 15 additions and 13 deletions
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src/intel/vulkan/anv_device.c
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@@ -868,7 +868,7 @@ void anv_GetPhysicalDeviceProperties(
.storageImageSampleCounts = VK_SAMPLE_COUNT_1_BIT,
.maxSampleMaskWords = 1,
.timestampComputeAndGraphics = false,
.timestampPeriod = devinfo->timebase_scale,
.timestampPeriod = 1000000000ull / devinfo->timestamp_frequency,
.maxClipDistances = 8,
.maxCullDistances = 8,
.maxCombinedClipAndCullDistances = 8,