[Mesa-dev] [PATCH 26/32] i965: Make CCS stride match kernel's expectations

[Jason Ekstrand]

On my list

On Jan 5, 2017 7:51 PM, "Ben Widawsky" <ben at bwidawsk.net> wrote:

> On 17-01-02 18:37:17, Ben Widawsky wrote:
>
>> v2: Put the commit message as a comment (Topi)
>>
>> Cc: Topi Pohjolainen <topi.pohjolainen at gmail.com>
>> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
>> Cc: Jason Ekstrand <jason at jlekstrand.net>
>> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
>> Acked-by: Daniel Stone <daniels at collabora.com>
>> ---
>> src/mesa/drivers/dri/i965/intel_screen.c | 5 ++++-
>> 1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/src/mesa/drivers/dri/i965/intel_screen.c
>> b/src/mesa/drivers/dri/i965/intel_screen.c
>> index b65ed76720..dfd642893a 100644
>> --- a/src/mesa/drivers/dri/i965/intel_screen.c
>> +++ b/src/mesa/drivers/dri/i965/intel_screen.c
>> @@ -983,7 +983,10 @@ intel_from_planar(__DRIimage *parent, int plane,
>> void *loaderPrivate)
>>     if (parent == NULL || parent->planar_format == NULL) {
>>        if (is_aux) {
>>           offset = parent->aux_offset;
>> -          stride = ALIGN(parent->pitch / 32, 128);
>> +          /* Make CCS stride match kernel's expectations. Mesa's
>> internals
>> +           * expect: stride = ALIGN(parent->pitch / 32, 128)
>> +           */
>> +          stride = ALIGN(parent->pitch / 64, 128);
>>           height = ALIGN(DIV_ROUND_UP(parent->height, 16), 32);
>>           dri_format = parent->dri_format;
>>           goto done;
>>
>
> Jason, Ville, can one of you two ack or review this?
>
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