Re: [PATCH] amd/display/dc: Fix COLOR_ENCODING and COLOR_RANGE doing nothing for DCN20+

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On 2022-06-21 09:15, Alex Deucher wrote:
> On Mon, Jun 20, 2022 at 8:46 PM VURDIGERENATARAJ, CHANDAN
> <CHANDAN.VURDIGERENATARAJ@xxxxxxx> wrote:
>>
>> Hi Alex,
>>
>> I think this was pushed earlier by Harry.
>> Not sure why it did not get merged.
>> https://www.spinics.net/lists/stable/msg543116.html has the history.
> 
> I guess it never landed?  I don't see it in the git history.
> 

My bad, and thanks for the patch, Joshua.

Harry

> Alex
> 
>>
>> BR,
>> Chandan V N
>>
>>> Applied.  Thanks!
>>>
>>> Alex
>>>
>>> On Wed, Jun 15, 2022 at 9:21 PM Joshua Ashton <joshua@xxxxxxxxx> wrote:
>>>>
>>>> For DCN20 and above, the code that actually hooks up the provided
>>>> input_color_space got lost at some point.
>>>>
>>>> Fixes COLOR_ENCODING and COLOR_RANGE doing nothing on DCN20+.
>>>> Tested using Steam Remote Play Together + gamescope.
>>>>
>>>> Signed-off-by: Joshua Ashton <joshua@xxxxxxxxx>
>>>> ---
>>>>  drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c   | 3 +++
>>>>  drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dpp.c | 3 +++
>>>>  drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c   | 3 +++
>>>>  3 files changed, 9 insertions(+)
>>>>
>>>> diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c
>>>> b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c
>>>> index 970b65efeac1..eaa7032f0f1a 100644
>>>> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c
>>>> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c
>>>> @@ -212,6 +212,9 @@ static void dpp2_cnv_setup (
>>>>                 break;
>>>>         }
>>>>
>>>> +       /* Set default color space based on format if none is given. */
>>>> +       color_space = input_color_space ? input_color_space :
>>>> + color_space;
>>>> +
>>>>         if (is_2bit == 1 && alpha_2bit_lut != NULL) {
>>>>                 REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT0, alpha_2bit_lut->lut0);
>>>>                 REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT1,
>>>> alpha_2bit_lut->lut1); diff --git
>>>> a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dpp.c
>>>> b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dpp.c
>>>> index 8b6505b7dca8..f50ab961bc17 100644
>>>> --- a/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dpp.c
>>>> +++ b/drivers/gpu/drm/amd/display/dc/dcn201/dcn201_dpp.c
>>>> @@ -153,6 +153,9 @@ static void dpp201_cnv_setup(
>>>>                 break;
>>>>         }
>>>>
>>>> +       /* Set default color space based on format if none is given. */
>>>> +       color_space = input_color_space ? input_color_space :
>>>> + color_space;
>>>> +
>>>>         if (is_2bit == 1 && alpha_2bit_lut != NULL) {
>>>>                 REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT0, alpha_2bit_lut->lut0);
>>>>                 REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT1,
>>>> alpha_2bit_lut->lut1); diff --git
>>>> a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
>>>> b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
>>>> index 9cca59bf2ae0..3c77949b8110 100644
>>>> --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
>>>> +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_dpp.c
>>>> @@ -294,6 +294,9 @@ void dpp3_cnv_setup (
>>>>                 break;
>>>>         }
>>>>
>>>> +       /* Set default color space based on format if none is given. */
>>>> +       color_space = input_color_space ? input_color_space :
>>>> + color_space;
>>>> +
>>>>         if (is_2bit == 1 && alpha_2bit_lut != NULL) {
>>>>                 REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT0, alpha_2bit_lut->lut0);
>>>>                 REG_UPDATE(ALPHA_2BIT_LUT, ALPHA_2BIT_LUT1,
>>>> alpha_2bit_lut->lut1);
>>>> --
>>>> 2.36.1
>>>>




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