diff options
| author | Matt Atwood <matthew.s.atwood@intel.com> | 2025-06-14 01:01:41 +0530 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2025-06-18 14:58:09 -0700 |
| commit | bd031cd19f5c5597716ccaa7e6e70e65721e5ff3 (patch) | |
| tree | 8163b47fe07c8436c6399498e52f6e97999a977a | |
| parent | b2f7e30d2e4a34fcee8111d713bef4f29dc23c77 (diff) | |
drm/i915/xe3lpd: Update bandwidth parameters for display version 30.02
Bandwidth parameters for WCL have been updated with respect to
previous display releases. Encode them into xe3lpd_3002_sa_info and use
that new struct.
-v2: Resolve conflict to apply patch.
Bspec: 68859
Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20250613193146.3549862-5-dnyaneshwar.bhadane@intel.com
| -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 6c2ab2e0dc91..a515241d80db 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -420,6 +420,13 @@ static const struct intel_sa_info xe3lpd_sa_info = { .derating = 10, }; +static const struct intel_sa_info xe3lpd_3002_sa_info = { + .deburst = 32, + .deprogbwlimit = 22, /* GB/s */ + .displayrtids = 256, + .derating = 10, +}; + static int icl_get_bw_info(struct intel_display *display, const struct dram_info *dram_info, const struct intel_sa_info *sa) @@ -771,7 +778,9 @@ void intel_bw_init_hw(struct intel_display *display) if (!HAS_DISPLAY(display)) return; - if (DISPLAY_VER(display) >= 30) + if (DISPLAY_VERx100(display) >= 3002) + tgl_get_bw_info(display, dram_info, &xe3lpd_3002_sa_info); + else if (DISPLAY_VER(display) >= 30) tgl_get_bw_info(display, dram_info, &xe3lpd_sa_info); else if (DISPLAY_VERx100(display) >= 1401 && display->platform.dgfx && dram_info->type == INTEL_DRAM_GDDR_ECC) |