A new step of 480MHz has been added on SKUs that have a RPL-U
device id. Add a new table which include this new CDCLK step.
BSpec: 55409
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_cdclk.c | 39 ++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 0c107a38f9d0..9bfeb1abba47 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -180,6 +180,18 @@ static void i85x_get_cdclk(struct drm_i915_private *dev_priv,
}
}
+static bool is_rplu(struct drm_i915_private *dev_priv)
+{
+ switch (INTEL_DEVID(dev_priv)) {
+ case 0xA7A1:
+ case 0xA721:
+ case 0xA7A9:
+ return true;
+ default:
+ return false;
+ }
+}
+
static void i915gm_get_cdclk(struct drm_i915_private *dev_priv,
struct intel_cdclk_config *cdclk_config)
{
@@ -1329,6 +1341,27 @@ static const struct intel_cdclk_vals adlp_cdclk_table[] = {
{}
};
+static const struct intel_cdclk_vals rplu_cdclk_table[] = {
+ { .refclk = 19200, .cdclk = 172800, .divider = 3, .ratio = 27 },
+ { .refclk = 19200, .cdclk = 192000, .divider = 2, .ratio = 20 },
+ { .refclk = 19200, .cdclk = 480000, .divider = 2, .ratio = 50 },
+ { .refclk = 19200, .cdclk = 556800, .divider = 2, .ratio = 58 },
+ { .refclk = 19200, .cdclk = 652800, .divider = 2, .ratio = 68 },
+
+ { .refclk = 24000, .cdclk = 176000, .divider = 3, .ratio = 22 },
+ { .refclk = 24000, .cdclk = 192000, .divider = 2, .ratio = 16 },
+ { .refclk = 24000, .cdclk = 480000, .divider = 2, .ratio = 40 },
+ { .refclk = 24000, .cdclk = 552000, .divider = 2, .ratio = 46 },
+ { .refclk = 24400, .cdclk = 648000, .divider = 2, .ratio = 54 },
+
+ { .refclk = 38400, .cdclk = 179200, .divider = 3, .ratio = 14 },
+ { .refclk = 38400, .cdclk = 192000, .divider = 2, .ratio = 10 },
+ { .refclk = 38400, .cdclk = 480000, .divider = 2, .ratio = 25 },
+ { .refclk = 38400, .cdclk = 556800, .divider = 2, .ratio = 29 },
+ { .refclk = 38400, .cdclk = 652800, .divider = 2, .ratio = 34 },
+ {}
+};
+
static const struct intel_cdclk_vals dg2_cdclk_table[] = {
{ .refclk = 38400, .cdclk = 163200, .divider = 2, .ratio = 34, .waveform = 0x8888 },
{ .refclk = 38400, .cdclk = 204000, .divider = 2, .ratio = 34, .waveform = 0x9248 },
@@ -3353,6 +3386,12 @@ void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv)
/* Wa_22011320316:adl-p[a0] */
if (IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0))
dev_priv->display.cdclk.table = adlp_a_step_cdclk_table;
+ /*
+ * BSpec: 55409
+ * 480 MHz supported on SKUs that have a RPL-U Device ID
+ */
+ else if (is_rplu(dev_priv))
+ dev_priv->cdclk.table = rplu_cdclk_table;
else
dev_priv->display.cdclk.table = adlp_cdclk_table;
} else if (IS_ROCKETLAKE(dev_priv)) {
--
2.25.1
