On Fri, May 22, 2015 at 11:22:36AM +0300, Mika Kahola wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Rather than reading out the current cdclk value use the cached value we
> have tucked away in dev_priv.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> v2: Rebased to the latest
> v3: Rebased to the latest
>
> Reviewed-by: Mika Kahola <mika.kahola@xxxxxxxxx>
>
> Author: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 3 +--
> drivers/gpu/drm/i915/intel_dp.c | 5 +++--
> drivers/gpu/drm/i915/intel_pm.c | 2 +-
> 3 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 75b11d6..fcd4112 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -6406,8 +6406,7 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
>
> /* FIXME should check pixel clock limits on all platforms */
> if (INTEL_INFO(dev)->gen < 4) {
> - int clock_limit =
> - dev_priv->display.get_display_clock_speed(dev);
> + int clock_limit = dev_priv->cdclk_freq;
>
> /*
> * Enable pixel doubling when the dot clock
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index 0edc305..2dd4d28 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -708,7 +708,8 @@ static uint32_t ilk_get_aux_clock_divider(struct intel_dp *intel_dp, int index)
> return 0;
>
> if (intel_dig_port->port == PORT_A) {
> - return DIV_ROUND_UP(dev_priv->display.get_display_clock_speed(dev), 2000);
> + return DIV_ROUND_UP(dev_priv->cdclk_freq, 2000);
> +
> } else {
> return DIV_ROUND_UP(intel_pch_rawclk(dev), 2);
> }
> @@ -723,7 +724,7 @@ static uint32_t hsw_get_aux_clock_divider(struct intel_dp *intel_dp, int index)
> if (intel_dig_port->port == PORT_A) {
> if (index)
> return 0;
> - return DIV_ROUND_CLOSEST(dev_priv->display.get_display_clock_speed(dev), 2000);
> + return DIV_ROUND_CLOSEST(dev_priv->cdclk_freq, 2000);
> } else if (dev_priv->pch_id == INTEL_PCH_LPT_DEVICE_ID_TYPE) {
> /* Workaround for non-ULT HSW */
> switch (index) {
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index ce1d079..0046cb4 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -1815,7 +1815,7 @@ hsw_compute_linetime_wm(struct drm_device *dev, struct drm_crtc *crtc)
> linetime = DIV_ROUND_CLOSEST(mode->crtc_htotal * 1000 * 8,
> mode->crtc_clock);
> ips_linetime = DIV_ROUND_CLOSEST(mode->crtc_htotal * 1000 * 8,
> - dev_priv->display.get_display_clock_speed(dev_priv->dev));
> + dev_priv->cdclk_freq);
>
> return PIPE_WM_LINETIME_IPS_LINETIME(ips_linetime) |
> PIPE_WM_LINETIME_TIME(linetime);
> --
> 1.9.1
>
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