[Intel-gfx] [PATCH] drm/i915/cnl: Symmetric scalers for each pipe

[Maiti, Nabendu Bikash]

On 10/11/2017 6:38 PM, Mika Kahola wrote:
> On Wed, 2017-10-11 at 15:43 +0300, Ville Syrjälä wrote:
>> On Mon, Oct 09, 2017 at 03:26:07PM +0300, Mika Kahola wrote:
>>> For Cannonlake the number of scalers for each pipe is 2. Let's
>>> increase
>>> the number of scalers for pipe C.
>>>
>>> Signed-off-by: Mika Kahola <mika.kahola at intel.com>
>>> ---
>>>   drivers/gpu/drm/i915/intel_device_info.c | 5 ++++-
>>>   1 file changed, 4 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/gpu/drm/i915/intel_device_info.c
>>> b/drivers/gpu/drm/i915/intel_device_info.c
>>> index 875d428..b2ab6cb 100644
>>> --- a/drivers/gpu/drm/i915/intel_device_info.c
>>> +++ b/drivers/gpu/drm/i915/intel_device_info.c
>>> @@ -347,7 +347,10 @@ void intel_device_info_runtime_init(struct
>>> drm_i915_private *dev_priv)
>>>   	struct intel_device_info *info =
>>> mkwrite_device_info(dev_priv);
>>>   	enum pipe pipe;
>>>   
>>> -	if (INTEL_GEN(dev_priv) >= 9) {
>>> +	if (IS_CANNONLAKE(dev_priv)) {
>> GEN >= 10 would be a bit more future proof.
> That's true. I actually tried this on trybot but the outcome wasn't
> clean. Maybe I just switch back and give CI another go.
Similar patch I submitted in internal (merged).
>
>>> +		for_each_pipe(dev_priv, pipe)
>>> +			info->num_scalers[pipe] = 2;
>>> +	} else if (INTEL_GEN(dev_priv) >= 9) {
>>>   		info->num_scalers[PIPE_A] = 2;
>>>   		info->num_scalers[PIPE_B] = 2;
>>>   		info->num_scalers[PIPE_C] = 1;
>>> -- 
>>> 2.7.4
>>>
>>> _______________________________________________
>>> Intel-gfx mailing list
>>> Intel-gfx at lists.freedesktop.org
>>> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
Regards,
Nabendu