Re: [PATCH v2 2/2] drm/i915: Use intel_get_pipe_timings() and intel_mode_from_pipe_config() in intel_crtc_mode_get()

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On Fri, Apr 01, 2016 at 09:48:50PM +0300, ville.syrjala@xxxxxxxxxxxxxxx wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> 
> Eliminate the duplicate code for pipe timing readout in
> intel_crtc_mode_get() by using the functions we use for the normal state
> readout.

I also forgot to point out here that this should fix mode.flags
readout for intel_crtc_mode_get(). Previously it just left tha
t as 0.

> 
> v2: Store dotclock in adjusted_mode instead of the final mode
> 
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: Rob Kramer <rob@xxxxxxxxxxxxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 22 ++++------------------
>  1 file changed, 4 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index b6f974dd43c9..f42073837204 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -10719,10 +10719,8 @@ struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
>  {
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> -	enum transcoder cpu_transcoder;
>  	struct drm_display_mode *mode;
>  	struct intel_crtc_state *pipe_config;
> -	u32 htot, hsync, vtot, vsync;
>  	enum pipe pipe = intel_crtc->pipe;
>  
>  	mode = kzalloc(sizeof(*mode), GFP_KERNEL);
> @@ -10749,24 +10747,12 @@ struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
>  	pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(pipe));
>  	i9xx_crtc_clock_get(intel_crtc, pipe_config);
>  
> -	mode->clock = pipe_config->port_clock / pipe_config->pixel_multiplier;
> -
> -	cpu_transcoder = pipe_config->cpu_transcoder;
> -	htot = I915_READ(HTOTAL(cpu_transcoder));
> -	hsync = I915_READ(HSYNC(cpu_transcoder));
> -	vtot = I915_READ(VTOTAL(cpu_transcoder));
> -	vsync = I915_READ(VSYNC(cpu_transcoder));
> +	pipe_config->base.adjusted_mode.crtc_clock =
> +		pipe_config->port_clock / pipe_config->pixel_multiplier;
>  
> -	mode->hdisplay = (htot & 0xffff) + 1;
> -	mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
> -	mode->hsync_start = (hsync & 0xffff) + 1;
> -	mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1;
> -	mode->vdisplay = (vtot & 0xffff) + 1;
> -	mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1;
> -	mode->vsync_start = (vsync & 0xffff) + 1;
> -	mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1;
> +	intel_get_pipe_timings(intel_crtc, pipe_config);
>  
> -	drm_mode_set_name(mode);
> +	intel_mode_from_pipe_config(mode, pipe_config);
>  
>  	kfree(pipe_config);
>  
> -- 
> 2.7.4
> 
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-- 
Ville Syrjälä
Intel OTC
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