[Intel-gfx] [PATCH 2/3] drm/i915: Correct the Ref clock value for BXT

[Ville Syrjälä]

On Fri, Dec 04, 2015 at 07:47:38PM +0530, Deepak M wrote:
> The reference clock for BXT is 19.2 MHz not 19.5 MHz, updating the
> correct value here.
> 
> Signed-off-by: Deepak M <m.deepak at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_reg.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 8bd2699..009f474 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -7676,7 +7676,7 @@ enum skl_disp_power_wells {
>  #define BXT_DSI_PLL_RATIO_MAX		0x7D
>  #define BXT_DSI_PLL_RATIO_MIN		0x22
>  #define BXT_DSI_PLL_RATIO_MASK		0xFF
> -#define BXT_REF_CLOCK_KHZ		19500
> +#define BXT_REF_CLOCK_KHZ		19200

No idea why we have this define in i915_reg.h. We don't have such
defines for other platforms (also my fix CHV refclk to 19.2MHz patch
never got reviewed by anyone either. Interedted?)

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

>  
>  #define BXT_DSI_PLL_ENABLE		0x46080
>  #define  BXT_DSI_PLL_DO_ENABLE		(1 << 31)
> -- 
> 1.9.1
> 
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-- 
Ville Syrjälä
Intel OTC