drm/i915: Populate bxt/glk DPLL clock limits a bit more

Set the bxt/glk DPLL min dotclock to 25MHz (HDMI minimum)
and the max to 594 MHz (HDMI max). The supported DP frequencies
(162MHz-540MHz) fit within the same range.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220307233940.4161-8-ville.syrjala@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c b/drivers/gpu/drm/i915/display/intel_dpll.c
index c0c76ff8b59083adb96ef3443643e9392f0d4c5f..95b9d327ed4d699213f5bff5848eeff6c3bd6df2 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dpll.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll.c
@@ -285,8 +285,7 @@ static const struct intel_limit intel_limits_chv = {
 };
 
 static const struct intel_limit intel_limits_bxt = {
-       /* FIXME: find real dot limits */
-       .dot = { .min = 0, .max = INT_MAX },
+       .dot = { .min = 25000, .max = 594000 },
        .vco = { .min = 4800000, .max = 6700000 },
        .n = { .min = 1, .max = 1 },
        .m1 = { .min = 2, .max = 2 },