We use to have this fixed per generation, but starting with CNL userspace
cannot tell just off the PCI ID. Let's make this information available. This
is particularly useful for performance monitoring where much of the
normalization work is done using those timestamps (this include pipeline
statist
Quoting Lionel Landwerlin (2017-11-10 19:08:44)
> +static u64 read_timestamp_frequency(struct drm_i915_private *dev_priv)
> +{
> + u64 f12_5_mhz = 1250;
> + u64 f19_2_mhz = 1920;
> + u64 f24_mhz = 2400;
> +
> + if (INTEL_GEN(dev_priv) <= 4) {
> + /*
On 11/11/2017 12:38 AM, Lionel Landwerlin wrote:
We use to have this fixed per generation, but starting with CNL userspace
cannot tell just off the PCI ID. Let's make this information available. This
is particularly useful for performance monitoring where much of the
normalization work is done
Em Sex, 2017-11-10 às 19:08 +, Lionel Landwerlin escreveu:
> We use to have this fixed per generation, but starting with CNL
> userspace
> cannot tell just off the PCI ID. Let's make this information
> available. This
> is particularly useful for performance monitoring where much of the
> norma
On 01/12/17 20:02, Paulo Zanoni wrote:
Em Sex, 2017-11-10 às 19:08 +, Lionel Landwerlin escreveu:
We use to have this fixed per generation, but starting with CNL
userspace
cannot tell just off the PCI ID. Let's make this information
available. This
is particularly useful for performance moni
