Re: [PATCH] drm/xe/xe3lpg: Add Wa_16024792527

["Ghimiray, Himal Prasad" <himal.prasad.ghimiray@intel.com>]

On 09-11-2024 00:44, Gustavo Sousa wrote:
> Quoting apoorva.singh@intel.com (2024-11-07 05:21:58-03:00)
>> From: Apoorva Singh <apoorva.singh@intel.com>
>>
>> Force Sampler Tile64 Overfetch via MMIO
>>
>> Signed-off-by: Apoorva Singh <apoorva.singh@intel.com>
> 
> Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>

Pushed to drm-xe-next, thanks for the patch and reviews.

BR
Himal

> 
>> ---
>> drivers/gpu/drm/xe/regs/xe_gt_regs.h | 2 ++
>> drivers/gpu/drm/xe/xe_wa.c           | 6 ++++++
>> 2 files changed, 8 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/xe/regs/xe_gt_regs.h b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
>> index 0c9e4b2fafab..162f18e975da 100644
>> --- a/drivers/gpu/drm/xe/regs/xe_gt_regs.h
>> +++ b/drivers/gpu/drm/xe/regs/xe_gt_regs.h
>> @@ -445,6 +445,8 @@
>>
>> #define SAMPLER_MODE                                XE_REG_MCR(0xe18c, XE_REG_OPTION_MASKED)
>> #define   ENABLE_SMALLPL                        REG_BIT(15)
>> +#define   SMP_WAIT_FETCH_MERGING_COUNTER        REG_GENMASK(11, 10)
>> +#define   SMP_FORCE_128B_OVERFETCH                REG_FIELD_PREP(SMP_WAIT_FETCH_MERGING_COUNTER, 1)
>> #define   SC_DISABLE_POWER_OPTIMIZATION_EBB        REG_BIT(9)
>> #define   SAMPLER_ENABLE_HEADLESS_MSG                REG_BIT(5)
>> #define   INDIRECT_STATE_BASE_ADDR_OVERRIDE        REG_BIT(0)
>> diff --git a/drivers/gpu/drm/xe/xe_wa.c b/drivers/gpu/drm/xe/xe_wa.c
>> index 02cf647f86d8..570fe0376402 100644
>> --- a/drivers/gpu/drm/xe/xe_wa.c
>> +++ b/drivers/gpu/drm/xe/xe_wa.c
>> @@ -607,6 +607,12 @@ static const struct xe_rtp_entry_sr engine_was[] = {
>>                         FUNC(xe_rtp_match_first_render_or_compute)),
>>            XE_RTP_ACTIONS(SET(ROW_CHICKEN4, DISABLE_TDL_PUSH))
>>          },
>> +        { XE_RTP_NAME("16024792527"),
>> +          XE_RTP_RULES(GRAPHICS_VERSION(3000), GRAPHICS_STEP(A0, B0),
>> +                       FUNC(xe_rtp_match_first_render_or_compute)),
>> +          XE_RTP_ACTIONS(FIELD_SET(SAMPLER_MODE, SMP_WAIT_FETCH_MERGING_COUNTER,
>> +                                   SMP_FORCE_128B_OVERFETCH))
>> +        },
>>
>>          {}
>> };
>> -- 
>> 2.34.1
>>