On Tue, 15 Mar 2016, [email protected] wrote:
> From: Ville Syrjälä <[email protected]>
>
> Compute the DSI PLL parameters during .compute_config() rather than
> .pre_pll_enable() so that we can fail gracefully if we can't find
> suitable parameters.
>
> In order to do that we need to store the DSI PLL parameters in
> pipe_config.
>
> v2: Handle BXT too
>
> Signed-off-by: Ville Syrjälä <[email protected]>
[snip]
> @@ -317,15 +328,9 @@ static u32 bxt_dsi_get_pclk(struct intel_encoder
> *encoder, int pipe_bpp)
> return 0;
> }
>
> - dsi_ratio = I915_READ(BXT_DSI_PLL_CTL) &
> - BXT_DSI_PLL_RATIO_MASK;
> + config->dsi_pll.ctrl = I915_READ(BXT_DSI_PLL_CTL);
>
> - /* Invalid DSI ratio ? */
> - if (dsi_ratio < BXT_DSI_PLL_RATIO_MIN ||
> - dsi_ratio > BXT_DSI_PLL_RATIO_MAX) {
> - DRM_ERROR("Invalid DSI pll ratio(%u) programmed\n", dsi_ratio);
> - return 0;
> - }
So you expect this to show up in the state checker instead now?
Reviewed-by: Jani Nikula <[email protected]>
--
Jani Nikula, Intel Open Source Technology Center
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