On Sat, 28 Jun 2014 02:04:00 +0300
ville.syrjala@xxxxxxxxxxxxxxx wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Split chv_update_pll() into two parts ala:
> commit bdd4b6a655749970cc632aafc5fd596c07b60b1c
> Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Date: Thu Apr 24 23:55:11 2014 +0200
>
> drm/i915: Extract vlv_prepare_pll
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 30 +++++++++++++++++++-----------
> 1 file changed, 19 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index a430699f..3e4d570 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -100,6 +100,7 @@ static void ironlake_set_pipeconf(struct drm_crtc *crtc);
> static void haswell_set_pipeconf(struct drm_crtc *crtc);
> static void intel_set_pipe_csc(struct drm_crtc *crtc);
> static void vlv_prepare_pll(struct intel_crtc *crtc);
> +static void chv_prepare_pll(struct intel_crtc *crtc);
>
> typedef struct {
> int min, max;
> @@ -4670,8 +4671,12 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
>
> is_dsi = intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI);
>
> - if (!is_dsi && !IS_CHERRYVIEW(dev))
> - vlv_prepare_pll(intel_crtc);
> + if (!is_dsi) {
> + if (IS_CHERRYVIEW(dev))
> + chv_prepare_pll(intel_crtc);
> + else
> + vlv_prepare_pll(intel_crtc);
> + }
>
> /* Set up the display plane register */
> dspcntr = DISPPLANE_GAMMA_ENABLE;
> @@ -5692,6 +5697,18 @@ static void vlv_prepare_pll(struct intel_crtc *crtc)
>
> static void chv_update_pll(struct intel_crtc *crtc)
> {
> + crtc->config.dpll_hw_state.dpll = DPLL_SSC_REF_CLOCK_CHV |
> + DPLL_REFA_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS |
> + DPLL_VCO_ENABLE;
> + if (crtc->pipe != PIPE_A)
> + crtc->config.dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV;
> +
> + crtc->config.dpll_hw_state.dpll_md =
> + (crtc->config.pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT;
> +}
> +
> +static void chv_prepare_pll(struct intel_crtc *crtc)
> +{
> struct drm_device *dev = crtc->base.dev;
> struct drm_i915_private *dev_priv = dev->dev_private;
> int pipe = crtc->pipe;
> @@ -5701,15 +5718,6 @@ static void chv_update_pll(struct intel_crtc *crtc)
> u32 bestn, bestm1, bestm2, bestp1, bestp2, bestm2_frac;
> int refclk;
>
> - crtc->config.dpll_hw_state.dpll = DPLL_SSC_REF_CLOCK_CHV |
> - DPLL_REFA_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS |
> - DPLL_VCO_ENABLE;
> - if (pipe != PIPE_A)
> - crtc->config.dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV;
> -
> - crtc->config.dpll_hw_state.dpll_md =
> - (crtc->config.pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT;
> -
> bestn = crtc->config.dpll.n;
> bestm2_frac = crtc->config.dpll.m2 & 0x3fffff;
> bestm1 = crtc->config.dpll.m1;
Reviewed-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
--
Jesse Barnes, Intel Open Source Technology Center
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