diff mbox series

[v6,1/3] drm/i915/display: New function to avoid duplicate code in upcomming commits

Message ID 20210507084903.28877-2-wse@tuxedocomputers.com (mailing list archive)
State New, archived
Headers show
Series drm/i915/display: Try YCbCr420 color when RGB fails | expand

Commit Message

Werner Sembach May 7, 2021, 8:49 a.m. UTC
Moves some checks that later will be performed 2 times to an own function.
This avoids duplicate code later on.

Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
---
 drivers/gpu/drm/i915/display/intel_hdmi.c | 41 ++++++++++++++---------
 1 file changed, 26 insertions(+), 15 deletions(-)

Comments

Ville Syrjälä May 7, 2021, 5:47 p.m. UTC | #1
On Fri, May 07, 2021 at 10:49:01AM +0200, Werner Sembach wrote:
> Moves some checks that later will be performed 2 times to an own function.
> This avoids duplicate code later on.
> 
> Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
> ---
>  drivers/gpu/drm/i915/display/intel_hdmi.c | 41 ++++++++++++++---------
>  1 file changed, 26 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 46de56af33db..576d3d910d06 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -1861,6 +1861,31 @@ static int intel_hdmi_port_clock(int clock, int bpc)
>  	return clock * bpc / 8;
>  }
>  
> +static enum drm_mode_status
> +intel_hdmi_mode_clock_valid(struct intel_hdmi *hdmi, int clock, bool has_hdmi_sink)
> +{
> +	struct drm_device *dev = intel_hdmi_to_dev(hdmi);
> +	struct drm_i915_private *dev_priv = to_i915(dev);
> +	enum drm_mode_status status;
> +
> +	/* check if we can do 8bpc */
> +	status = hdmi_port_clock_valid(hdmi, clock, true, has_hdmi_sink);
> +
> +	if (has_hdmi_sink) {
> +		/* if we can't do 8bpc we may still be able to do 12bpc */
> +		if (status != MODE_OK && !HAS_GMCH(dev_priv))
> +			status = hdmi_port_clock_valid(hdmi, clock * 3 / 2,

Seems we've lost intel_hdmi_port_clock() here somehow.

> +						       true, has_hdmi_sink);
> +
> +		/* if we can't do 8,12bpc we may still be able to do 10bpc */
> +		if (status != MODE_OK && INTEL_GEN(dev_priv) >= 11)
> +			status = hdmi_port_clock_valid(hdmi, clock * 5 / 4,

Also here.

> +						       true, has_hdmi_sink);
> +	}
> +
> +	return status;
> +}
> +
>  static enum drm_mode_status
>  intel_hdmi_mode_valid(struct drm_connector *connector,
>  		      struct drm_display_mode *mode)
> @@ -1891,21 +1916,7 @@ intel_hdmi_mode_valid(struct drm_connector *connector,
>  	if (drm_mode_is_420_only(&connector->display_info, mode))
>  		clock /= 2;
>  
> -	/* check if we can do 8bpc */
> -	status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 8),
> -				       true, has_hdmi_sink);
> -
> -	if (has_hdmi_sink) {
> -		/* if we can't do 8bpc we may still be able to do 12bpc */
> -		if (status != MODE_OK && !HAS_GMCH(dev_priv))
> -			status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 12),
> -						       true, has_hdmi_sink);
> -
> -		/* if we can't do 8,12bpc we may still be able to do 10bpc */
> -		if (status != MODE_OK && DISPLAY_VER(dev_priv) >= 11)
> -			status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 10),
> -						       true, has_hdmi_sink);
> -	}
> +	status = intel_hdmi_mode_clock_valid(hdmi, clock, has_hdmi_sink);
>  	if (status != MODE_OK)
>  		return status;
>  
> -- 
> 2.25.1
Werner Sembach May 7, 2021, 8:33 p.m. UTC | #2
Am 07.05.21 um 19:47 schrieb Ville Syrjälä:

> On Fri, May 07, 2021 at 10:49:01AM +0200, Werner Sembach wrote:
>> Moves some checks that later will be performed 2 times to an own function.
>> This avoids duplicate code later on.
>>
>> Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
>> ---
>>  drivers/gpu/drm/i915/display/intel_hdmi.c | 41 ++++++++++++++---------
>>  1 file changed, 26 insertions(+), 15 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
>> index 46de56af33db..576d3d910d06 100644
>> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
>> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
>> @@ -1861,6 +1861,31 @@ static int intel_hdmi_port_clock(int clock, int bpc)
>>  	return clock * bpc / 8;
>>  }
>>  
>> +static enum drm_mode_status
>> +intel_hdmi_mode_clock_valid(struct intel_hdmi *hdmi, int clock, bool has_hdmi_sink)
>> +{
>> +	struct drm_device *dev = intel_hdmi_to_dev(hdmi);
>> +	struct drm_i915_private *dev_priv = to_i915(dev);
>> +	enum drm_mode_status status;
>> +
>> +	/* check if we can do 8bpc */
>> +	status = hdmi_port_clock_valid(hdmi, clock, true, has_hdmi_sink);
>> +
>> +	if (has_hdmi_sink) {
>> +		/* if we can't do 8bpc we may still be able to do 12bpc */
>> +		if (status != MODE_OK && !HAS_GMCH(dev_priv))
>> +			status = hdmi_port_clock_valid(hdmi, clock * 3 / 2,
> Seems we've lost intel_hdmi_port_clock() here somehow.

Yes, I think it happened when I rebased from torvalds/master to drm-tip/drm-tip.

Thanks for pointing it out. Fixed.

>
>> +						       true, has_hdmi_sink);
>> +
>> +		/* if we can't do 8,12bpc we may still be able to do 10bpc */
>> +		if (status != MODE_OK && INTEL_GEN(dev_priv) >= 11)
>> +			status = hdmi_port_clock_valid(hdmi, clock * 5 / 4,
> Also here.
>
>> +						       true, has_hdmi_sink);
>> +	}
>> +
>> +	return status;
>> +}
>> +
>>  static enum drm_mode_status
>>  intel_hdmi_mode_valid(struct drm_connector *connector,
>>  		      struct drm_display_mode *mode)
>> @@ -1891,21 +1916,7 @@ intel_hdmi_mode_valid(struct drm_connector *connector,
>>  	if (drm_mode_is_420_only(&connector->display_info, mode))
>>  		clock /= 2;
>>  
>> -	/* check if we can do 8bpc */
>> -	status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 8),
>> -				       true, has_hdmi_sink);
>> -
>> -	if (has_hdmi_sink) {
>> -		/* if we can't do 8bpc we may still be able to do 12bpc */
>> -		if (status != MODE_OK && !HAS_GMCH(dev_priv))
>> -			status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 12),
>> -						       true, has_hdmi_sink);
>> -
>> -		/* if we can't do 8,12bpc we may still be able to do 10bpc */
>> -		if (status != MODE_OK && DISPLAY_VER(dev_priv) >= 11)
>> -			status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 10),
>> -						       true, has_hdmi_sink);
>> -	}
>> +	status = intel_hdmi_mode_clock_valid(hdmi, clock, has_hdmi_sink);
>>  	if (status != MODE_OK)
>>  		return status;
>>  
>> -- 
>> 2.25.1
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 46de56af33db..576d3d910d06 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -1861,6 +1861,31 @@  static int intel_hdmi_port_clock(int clock, int bpc)
 	return clock * bpc / 8;
 }
 
+static enum drm_mode_status
+intel_hdmi_mode_clock_valid(struct intel_hdmi *hdmi, int clock, bool has_hdmi_sink)
+{
+	struct drm_device *dev = intel_hdmi_to_dev(hdmi);
+	struct drm_i915_private *dev_priv = to_i915(dev);
+	enum drm_mode_status status;
+
+	/* check if we can do 8bpc */
+	status = hdmi_port_clock_valid(hdmi, clock, true, has_hdmi_sink);
+
+	if (has_hdmi_sink) {
+		/* if we can't do 8bpc we may still be able to do 12bpc */
+		if (status != MODE_OK && !HAS_GMCH(dev_priv))
+			status = hdmi_port_clock_valid(hdmi, clock * 3 / 2,
+						       true, has_hdmi_sink);
+
+		/* if we can't do 8,12bpc we may still be able to do 10bpc */
+		if (status != MODE_OK && INTEL_GEN(dev_priv) >= 11)
+			status = hdmi_port_clock_valid(hdmi, clock * 5 / 4,
+						       true, has_hdmi_sink);
+	}
+
+	return status;
+}
+
 static enum drm_mode_status
 intel_hdmi_mode_valid(struct drm_connector *connector,
 		      struct drm_display_mode *mode)
@@ -1891,21 +1916,7 @@  intel_hdmi_mode_valid(struct drm_connector *connector,
 	if (drm_mode_is_420_only(&connector->display_info, mode))
 		clock /= 2;
 
-	/* check if we can do 8bpc */
-	status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 8),
-				       true, has_hdmi_sink);
-
-	if (has_hdmi_sink) {
-		/* if we can't do 8bpc we may still be able to do 12bpc */
-		if (status != MODE_OK && !HAS_GMCH(dev_priv))
-			status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 12),
-						       true, has_hdmi_sink);
-
-		/* if we can't do 8,12bpc we may still be able to do 10bpc */
-		if (status != MODE_OK && DISPLAY_VER(dev_priv) >= 11)
-			status = hdmi_port_clock_valid(hdmi, intel_hdmi_port_clock(clock, 10),
-						       true, has_hdmi_sink);
-	}
+	status = intel_hdmi_mode_clock_valid(hdmi, clock, has_hdmi_sink);
 	if (status != MODE_OK)
 		return status;