[PATCH v3 08/15] drm/xe/xe3p_lpg: Drop unnecessary tuning settings

Gustavo Sousa
2026-02-06T18:36:43Z

From: Matt Roper <matthew.d.roper@intel.com>

From Xe3p onward, the desired settings are now the hardware's
default values and the driver does not need to program them explicitly.

Since 35.xx seems to be the starting point for "Xe3p" version numbers;
we'll adjust the bounds of the old programming to stop at 34.99. Even
though there's no platform with version 35.00 at the moment, this is
simplest in case one does show up in the future.

Bspec: 72161, 59928, 59930
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
---
drivers/gpu/drm/xe/xe_tuning.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_tuning.c b/drivers/gpu/drm/xe/xe_tuning.c
index a97872b3214b..694385ae75f1 100644
--- a/drivers/gpu/drm/xe/xe_tuning.c
+++ b/drivers/gpu/drm/xe/xe_tuning.c
@@ -32,12 +32,12 @@ static const struct xe_rtp_entry_sr gt_tunings[] = {
/* Xe2 */

{ XE_RTP_NAME("Tuning: L3 cache"),
- XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2001, XE_RTP_END_VERSION_UNDEFINED)),
+ XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2001, 3499)),
XE_RTP_ACTIONS(FIELD_SET(XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
},
{ XE_RTP_NAME("Tuning: L3 cache - media"),
- XE_RTP_RULES(MEDIA_VERSION_RANGE(2000, XE_RTP_END_VERSION_UNDEFINED)),
+ XE_RTP_RULES(MEDIA_VERSION_RANGE(2000, 3499)),
XE_RTP_ACTIONS(FIELD_SET(XE2LPM_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f)))
},
@@ -53,7 +53,7 @@ static const struct xe_rtp_entry_sr gt_tunings[] = {
SET(XE2LPM_CCCHKNREG1, L3CMPCTRL))
},
{ XE_RTP_NAME("Tuning: Enable compressible partial write overfetch in L3"),
- XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2001, XE_RTP_END_VERSION_UNDEFINED)),
+ XE_RTP_RULES(GRAPHICS_VERSION_RANGE(2001, 3499)),
XE_RTP_ACTIONS(SET(L3SQCREG3, COMPPWOVERFETCHEN))
},
{ XE_RTP_NAME("Tuning: Enable compressible partial write overfetch in L3 - media"),

--
2.52.0