Re: [PATCH] drm/scdc-helper: Convert errors into debug messages

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Sat, Mar 24, 2018 at 08:35:43AM +0530, Sharma, Shashank wrote:
> Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>

Thanks. Pushed to drm-misc-next.

> 
> Regards
> Shashank
> On 3/23/2018 11:55 PM, Ville Syrjala wrote:
> > From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> >
> > Since we may attempt to reconfigure SCDC when the sink has already been
> > disconnected we probably shouldn't scare the user with errors in dmesg
> > that are 100% expected in that case. Just leave it up to the caller
> > whether to print an error message or not, and just output debug
> > messages from the helper itself.
> >
> > Cc: Shashank Sharma <shashank.sharma@intel.com>
> > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > ---
> >   drivers/gpu/drm/drm_scdc_helper.c | 10 +++++-----
> >   1 file changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_scdc_helper.c b/drivers/gpu/drm/drm_scdc_helper.c
> > index 657ea5ab6c3f..870e25f1f788 100644
> > --- a/drivers/gpu/drm/drm_scdc_helper.c
> > +++ b/drivers/gpu/drm/drm_scdc_helper.c
> > @@ -141,7 +141,7 @@ bool drm_scdc_get_scrambling_status(struct i2c_adapter *adapter)
> >   
> >   	ret = drm_scdc_readb(adapter, SCDC_SCRAMBLER_STATUS, &status);
> >   	if (ret < 0) {
> > -		DRM_ERROR("Failed to read scrambling status: %d\n", ret);
> > +		DRM_DEBUG_KMS("Failed to read scrambling status: %d\n", ret);
> >   		return false;
> >   	}
> >   
> > @@ -168,7 +168,7 @@ bool drm_scdc_set_scrambling(struct i2c_adapter *adapter, bool enable)
> >   
> >   	ret = drm_scdc_readb(adapter, SCDC_TMDS_CONFIG, &config);
> >   	if (ret < 0) {
> > -		DRM_ERROR("Failed to read TMDS config: %d\n", ret);
> > +		DRM_DEBUG_KMS("Failed to read TMDS config: %d\n", ret);
> >   		return false;
> >   	}
> >   
> > @@ -179,7 +179,7 @@ bool drm_scdc_set_scrambling(struct i2c_adapter *adapter, bool enable)
> >   
> >   	ret = drm_scdc_writeb(adapter, SCDC_TMDS_CONFIG, config);
> >   	if (ret < 0) {
> > -		DRM_ERROR("Failed to enable scrambling: %d\n", ret);
> > +		DRM_DEBUG_KMS("Failed to enable scrambling: %d\n", ret);
> >   		return false;
> >   	}
> >   
> > @@ -223,7 +223,7 @@ bool drm_scdc_set_high_tmds_clock_ratio(struct i2c_adapter *adapter, bool set)
> >   
> >   	ret = drm_scdc_readb(adapter, SCDC_TMDS_CONFIG, &config);
> >   	if (ret < 0) {
> > -		DRM_ERROR("Failed to read TMDS config: %d\n", ret);
> > +		DRM_DEBUG_KMS("Failed to read TMDS config: %d\n", ret);
> >   		return false;
> >   	}
> >   
> > @@ -234,7 +234,7 @@ bool drm_scdc_set_high_tmds_clock_ratio(struct i2c_adapter *adapter, bool set)
> >   
> >   	ret = drm_scdc_writeb(adapter, SCDC_TMDS_CONFIG, config);
> >   	if (ret < 0) {
> > -		DRM_ERROR("Failed to set TMDS clock ratio: %d\n", ret);
> > +		DRM_DEBUG_KMS("Failed to set TMDS clock ratio: %d\n", ret);
> >   		return false;
> >   	}
> >   

-- 
Ville Syrjälä
Intel OTC
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