diff options
| author | Gustavo Sousa <gustavo.sousa@intel.com> | 2025-03-11 14:04:52 -0300 |
|---|---|---|
| committer | Gustavo Sousa <gustavo.sousa@intel.com> | 2025-03-13 11:24:02 -0300 |
| commit | 4051c59e2a6a1b3584fa8932361b8f50198e7396 (patch) | |
| tree | 4eacfcfa50e244a442c74e8e148706e2ecafb59e /drivers/gpu/drm/i915/display/intel_bw.c | |
| parent | d706998b6da687dcafee2cf6e9712136dafa574a (diff) | |
drm/i915/xe3lpd: Update bandwidth parameters
Bandwidth parameters for Xe3_LPD have been updated with respect to
previous display releases. Encode them into xe3lpd_sa_info and use that
new struct.
Bspec: 68859
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250311-xe3lpd-bandwidth-update-v5-3-a95a9d90ad71@intel.com
Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_bw.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bw.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index bda080d9ed4c..dc7612658a9d 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -404,6 +404,13 @@ static const struct intel_sa_info xe2_hpd_sa_info = { /* Other values not used by simplified algorithm */ }; +static const struct intel_sa_info xe3lpd_sa_info = { + .deburst = 32, + .deprogbwlimit = 65, /* GB/s */ + .displayrtids = 256, + .derating = 10, +}; + static int icl_get_bw_info(struct intel_display *display, const struct intel_sa_info *sa) { struct drm_i915_private *i915 = to_i915(display->drm); @@ -752,7 +759,9 @@ void intel_bw_init_hw(struct intel_display *display) if (!HAS_DISPLAY(display)) return; - if (DISPLAY_VERx100(display) >= 1401 && display->platform.dgfx) + if (DISPLAY_VER(display) >= 30) + tgl_get_bw_info(display, &xe3lpd_sa_info); + else if (DISPLAY_VERx100(display) >= 1401 && display->platform.dgfx) xe2_hpd_get_bw_info(display, &xe2_hpd_sa_info); else if (DISPLAY_VER(display) >= 14) tgl_get_bw_info(display, &mtl_sa_info); |