[Intel-gfx] [PATCH 10/14] drm/i915: s/DP_PLL_FREQ_160MHZ/DP_PLL_FREQ_162MHZ/

Daniel Vetter daniel at ffwll.ch
Fri Oct 30 08:49:22 PDT 2015


On Thu, Oct 29, 2015 at 09:25:59PM +0200, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> The DP link frequency is 162MHz, not 160MHz. Rename the ILK eDP PLL
> defines to match.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

ocd ftw. Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

> ---
>  drivers/gpu/drm/i915/i915_reg.h |  2 +-
>  drivers/gpu/drm/i915/intel_dp.c | 10 +++++-----
>  2 files changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 8942532..d02e3c7 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -4199,7 +4199,7 @@ enum skl_disp_power_wells {
>  
>  /* eDP */
>  #define   DP_PLL_FREQ_270MHZ		(0 << 16)
> -#define   DP_PLL_FREQ_160MHZ		(1 << 16)
> +#define   DP_PLL_FREQ_162MHZ		(1 << 16)
>  #define   DP_PLL_FREQ_MASK		(3 << 16)
>  
>  /* locked once port is enabled */
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index 0b9b440..55d5246 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -1557,11 +1557,11 @@ static void ironlake_set_pll_cpu_edp(struct intel_dp *intel_dp)
>  
>  	if (crtc->config->port_clock == 162000) {
>  		/* For a long time we've carried around a ILK-DevA w/a for the
> -		 * 160MHz clock. If we're really unlucky, it's still required.
> +		 * 162MHz clock. If we're really unlucky, it's still required.
>  		 */
> -		DRM_DEBUG_KMS("160MHz cpu eDP clock, might need ilk devA w/a\n");
> -		dpa_ctl |= DP_PLL_FREQ_160MHZ;
> -		intel_dp->DP |= DP_PLL_FREQ_160MHZ;
> +		DRM_DEBUG_KMS("162MHz cpu eDP clock, might need ilk devA w/a\n");
> +		dpa_ctl |= DP_PLL_FREQ_162MHZ;
> +		intel_dp->DP |= DP_PLL_FREQ_162MHZ;
>  	} else {
>  		dpa_ctl |= DP_PLL_FREQ_270MHZ;
>  		intel_dp->DP |= DP_PLL_FREQ_270MHZ;
> @@ -2324,7 +2324,7 @@ static void intel_dp_get_config(struct intel_encoder *encoder,
>  	intel_dp_get_m_n(crtc, pipe_config);
>  
>  	if (port == PORT_A) {
> -		if ((I915_READ(DP_A) & DP_PLL_FREQ_MASK) == DP_PLL_FREQ_160MHZ)
> +		if ((I915_READ(DP_A) & DP_PLL_FREQ_MASK) == DP_PLL_FREQ_162MHZ)
>  			pipe_config->port_clock = 162000;
>  		else
>  			pipe_config->port_clock = 270000;
> -- 
> 2.4.10
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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