[Intel-gfx] [PATCH 2/2] drm/i915/psr: Fix compiler warnings for hsw_psr_disable()

Vivi, Rodrigo rodrigo.vivi at intel.com
Tue Jan 17 19:05:04 UTC 2017


same for the other...  
dm old gcc...

Also my bad here since I asked Vathsala to organize like this...

Anyways, for this patch
Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>


On Mon, 2017-01-16 at 13:06 +0000, Chris Wilson wrote:
> drivers/gpu/drm/i915/intel_psr.c:634 hsw_psr_disable() warn: if statement not indented
> drivers/gpu/drm/i915/intel_psr.c:644 hsw_psr_disable() warn: if statement not indented
> 
> Fixes: 3fcb0ca1d8db ("drm/i915/psr: fix blank screen issue for psr2")
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: Jim Bride <jim.bride at linux.intel.com>
> Cc: Vathsala Nagaraju <vathsala.nagaraju at intel.com>
> Cc: Patil Deepti <deepti.patil at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_psr.c | 42 +++++++++++++++++++++-------------------
>  1 file changed, 22 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
> index 38419e57d2aa..c3780d0d2baf 100644
> --- a/drivers/gpu/drm/i915/intel_psr.c
> +++ b/drivers/gpu/drm/i915/intel_psr.c
> @@ -620,34 +620,36 @@ static void hsw_psr_disable(struct intel_dp *intel_dp)
>  	struct drm_i915_private *dev_priv = to_i915(dev);
>  
>  	if (dev_priv->psr.active) {
> +		i915_reg_t psr_ctl;
> +		u32 psr_status_mask;
> +
>  		if (dev_priv->psr.aux_frame_sync)
>  			drm_dp_dpcd_writeb(&intel_dp->aux,
>  					DP_SINK_DEVICE_AUX_FRAME_SYNC_CONF,
>  					0);
>  
>  		if (dev_priv->psr.psr2_support) {
> -			I915_WRITE(EDP_PSR2_CTL,
> -				I915_READ(EDP_PSR2_CTL) &
> -					~(EDP_PSR2_ENABLE |
> -					EDP_SU_TRACK_ENABLE));
> -			/* Wait till PSR2 is idle */
> -			if (intel_wait_for_register(dev_priv,
> -						    EDP_PSR2_STATUS_CTL,
> -						    EDP_PSR2_STATUS_STATE_MASK,
> -						    0,
> -						    2000))
> -			DRM_ERROR("Timed out waiting for PSR2 Idle State\n");
> +			psr_ctl = EDP_PSR2_CTL;
> +			psr_status_mask = EDP_PSR2_STATUS_STATE_MASK;
> +
> +			I915_WRITE(psr_ctl,
> +				   I915_READ(psr_ctl) &
> +				   ~(EDP_PSR2_ENABLE | EDP_SU_TRACK_ENABLE));
> +
>  		} else {
> -			I915_WRITE(EDP_PSR_CTL,
> -				   I915_READ(EDP_PSR_CTL) & ~EDP_PSR_ENABLE);
> -			/* Wait till PSR1 is idle */
> -			if (intel_wait_for_register(dev_priv,
> -						    EDP_PSR_STATUS_CTL,
> -						    EDP_PSR_STATUS_STATE_MASK,
> -						    0,
> -						    2000))
> -			DRM_ERROR("Timed out waiting for PSR Idle State\n");
> +			psr_ctl = EDP_PSR_STATUS_CTL;
> +			psr_status_mask = EDP_PSR_STATUS_STATE_MASK;
> +
> +			I915_WRITE(psr_ctl,
> +				   I915_READ(psr_ctl) & ~EDP_PSR_ENABLE);
>  		}
> +
> +		/* Wait till PSR is idle */
> +		if (intel_wait_for_register(dev_priv,
> +					    psr_ctl, psr_status_mask, 0,
> +					    2000))
> +			DRM_ERROR("Timed out waiting for PSR Idle State\n");
> +
>  		dev_priv->psr.active = false;
>  	} else {
>  		if (dev_priv->psr.psr2_support)



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