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path: root/drivers/gpu/drm/i915/gt/intel_rps.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_rps.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_rps.c60
1 files changed, 59 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c
index c7d381ad90cf..6fadde4ee7bf 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.c
+++ b/drivers/gpu/drm/i915/gt/intel_rps.c
@@ -1107,7 +1107,12 @@ void gen6_rps_get_freq_caps(struct intel_rps *rps, struct intel_rps_freq_caps *c
caps->min_freq = (rp_state_cap >> 0) & 0xff;
} else {
caps->rp0_freq = (rp_state_cap >> 0) & 0xff;
- caps->rp1_freq = (rp_state_cap >> 8) & 0xff;
+ if (GRAPHICS_VER(i915) >= 10)
+ caps->rp1_freq = REG_FIELD_GET(RPE_MASK,
+ intel_uncore_read(to_gt(i915)->uncore,
+ GEN10_FREQ_INFO_REC));
+ else
+ caps->rp1_freq = (rp_state_cap >> 8) & 0xff;
caps->min_freq = (rp_state_cap >> 16) & 0xff;
}
@@ -1546,6 +1551,9 @@ void intel_rps_disable(struct intel_rps *rps)
{
struct drm_i915_private *i915 = rps_to_i915(rps);
+ if (!intel_rps_is_enabled(rps))
+ return;
+
intel_rps_clear_enabled(rps);
intel_rps_clear_interrupts(rps);
intel_rps_clear_timer(rps);
@@ -2128,6 +2136,31 @@ u32 intel_rps_get_max_frequency(struct intel_rps *rps)
return intel_gpu_freq(rps, rps->max_freq_softlimit);
}
+/**
+ * intel_rps_get_max_raw_freq - returns the max frequency in some raw format.
+ * @rps: the intel_rps structure
+ *
+ * Returns the max frequency in a raw format. In newer platforms raw is in
+ * units of 50 MHz.
+ */
+u32 intel_rps_get_max_raw_freq(struct intel_rps *rps)
+{
+ struct intel_guc_slpc *slpc = rps_to_slpc(rps);
+ u32 freq;
+
+ if (rps_uses_slpc(rps)) {
+ return DIV_ROUND_CLOSEST(slpc->rp0_freq,
+ GT_FREQUENCY_MULTIPLIER);
+ } else {
+ freq = rps->max_freq;
+ if (GRAPHICS_VER(rps_to_i915(rps)) >= 9) {
+ /* Convert GT frequency to 50 MHz units */
+ freq /= GEN9_FREQ_SCALER;
+ }
+ return freq;
+ }
+}
+
u32 intel_rps_get_rp0_frequency(struct intel_rps *rps)
{
struct intel_guc_slpc *slpc = rps_to_slpc(rps);
@@ -2216,6 +2249,31 @@ u32 intel_rps_get_min_frequency(struct intel_rps *rps)
return intel_gpu_freq(rps, rps->min_freq_softlimit);
}
+/**
+ * intel_rps_get_min_raw_freq - returns the min frequency in some raw format.
+ * @rps: the intel_rps structure
+ *
+ * Returns the min frequency in a raw format. In newer platforms raw is in
+ * units of 50 MHz.
+ */
+u32 intel_rps_get_min_raw_freq(struct intel_rps *rps)
+{
+ struct intel_guc_slpc *slpc = rps_to_slpc(rps);
+ u32 freq;
+
+ if (rps_uses_slpc(rps)) {
+ return DIV_ROUND_CLOSEST(slpc->min_freq,
+ GT_FREQUENCY_MULTIPLIER);
+ } else {
+ freq = rps->min_freq;
+ if (GRAPHICS_VER(rps_to_i915(rps)) >= 9) {
+ /* Convert GT frequency to 50 MHz units */
+ freq /= GEN9_FREQ_SCALER;
+ }
+ return freq;
+ }
+}
+
static int set_min_freq(struct intel_rps *rps, u32 val)
{
int ret = 0;