diff options
| author | Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com> | 2026-02-02 16:07:31 +0530 |
|---|---|---|
| committer | Ankit Nautiyal <ankit.k.nautiyal@intel.com> | 2026-02-03 13:47:14 +0530 |
| commit | e675b248278c784b0de50ff95586965bbba7372e (patch) | |
| tree | 9433526e2f79e03155429f4c1be0ec127fc492c1 | |
| parent | 50f5168775685f78e4492fcc69dc10d288c579d0 (diff) | |
drm/i915/display: Extend the max dotclock limit to WCL
Add upper limit check for pixel clock for WCL.
For prior platforms though the bspec mentions the dotclock limits, however
these are intentionally not enforced to avoid regressions, unless real
issues are observed.
BSpec: 49199, 68912
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260202103731.357416-18-ankit.k.nautiyal@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 4f5f64e22cb5..564d11925af3 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -8031,8 +8031,16 @@ int intel_max_uncompressed_dotclock(struct intel_display *display) int max_dotclock = display->cdclk.max_dotclk_freq; int limit = max_dotclock; - if (DISPLAY_VER(display) >= 30) + if (DISPLAY_VERx100(display) == 3002) + limit = 937500; + else if (DISPLAY_VER(display) >= 30) limit = 1350000; + /* + * Note: For other platforms though there are limits given + * in the Bspec, however the limit is intentionally not + * enforced to avoid regressions, unless real issues are + * observed. + */ return min(max_dotclock, limit); } |