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-rw-r--r--drivers/gpu/drm/xe/xe_guc_pc.c61
-rw-r--r--drivers/gpu/drm/xe/xe_guc_pc_types.h2
2 files changed, 32 insertions, 31 deletions
diff --git a/drivers/gpu/drm/xe/xe_guc_pc.c b/drivers/gpu/drm/xe/xe_guc_pc.c
index ff22235857f8..4c48115f1795 100644
--- a/drivers/gpu/drm/xe/xe_guc_pc.c
+++ b/drivers/gpu/drm/xe/xe_guc_pc.c
@@ -331,7 +331,7 @@ static int pc_set_min_freq(struct xe_guc_pc *pc, u32 freq)
* Our goal is to have the admin choices respected.
*/
pc_action_set_param(pc, SLPC_PARAM_IGNORE_EFFICIENT_FREQUENCY,
- freq < pc->rpe_freq);
+ freq < xe_guc_pc_get_rpe_freq(pc));
return pc_action_set_param(pc,
SLPC_PARAM_GLOBAL_MIN_GT_UNSLICE_FREQ_MHZ,
@@ -376,7 +376,7 @@ static void mtl_update_rpa_value(struct xe_guc_pc *pc)
pc->rpa_freq = decode_freq(REG_FIELD_GET(MTL_RPA_MASK, reg));
}
-static void mtl_update_rpe_value(struct xe_guc_pc *pc)
+static u32 mtl_get_rpe_freq(struct xe_guc_pc *pc)
{
struct xe_gt *gt = pc_to_gt(pc);
u32 reg;
@@ -386,7 +386,7 @@ static void mtl_update_rpe_value(struct xe_guc_pc *pc)
else
reg = xe_mmio_read32(&gt->mmio, MTL_GT_RPE_FREQUENCY);
- pc->rpe_freq = decode_freq(REG_FIELD_GET(MTL_RPE_MASK, reg));
+ return decode_freq(REG_FIELD_GET(MTL_RPE_MASK, reg));
}
static void tgl_update_rpa_value(struct xe_guc_pc *pc)
@@ -409,24 +409,29 @@ static void tgl_update_rpa_value(struct xe_guc_pc *pc)
}
}
-static void tgl_update_rpe_value(struct xe_guc_pc *pc)
+static u32 pvc_get_rpe_freq(struct xe_guc_pc *pc)
{
struct xe_gt *gt = pc_to_gt(pc);
- struct xe_device *xe = gt_to_xe(gt);
u32 reg;
/*
* For PVC we still need to use fused RP1 as the approximation for RPe
- * For other platforms than PVC we get the resolved RPe directly from
+ */
+ reg = xe_mmio_read32(&gt->mmio, PVC_RP_STATE_CAP);
+ return REG_FIELD_GET(RP1_MASK, reg) * GT_FREQUENCY_MULTIPLIER;
+}
+
+static u32 tgl_get_rpe_freq(struct xe_guc_pc *pc)
+{
+ struct xe_gt *gt = pc_to_gt(pc);
+ u32 reg;
+
+ /*
+ * For other platforms than PVC, we get the resolved RPe directly from
* PCODE at a different register
*/
- if (xe->info.platform == XE_PVC) {
- reg = xe_mmio_read32(&gt->mmio, PVC_RP_STATE_CAP);
- pc->rpe_freq = REG_FIELD_GET(RP1_MASK, reg) * GT_FREQUENCY_MULTIPLIER;
- } else {
- reg = xe_mmio_read32(&gt->mmio, FREQ_INFO_REC);
- pc->rpe_freq = REG_FIELD_GET(RPE_MASK, reg) * GT_FREQUENCY_MULTIPLIER;
- }
+ reg = xe_mmio_read32(&gt->mmio, FREQ_INFO_REC);
+ return REG_FIELD_GET(RPE_MASK, reg) * GT_FREQUENCY_MULTIPLIER;
}
static void pc_update_rp_values(struct xe_guc_pc *pc)
@@ -434,20 +439,10 @@ static void pc_update_rp_values(struct xe_guc_pc *pc)
struct xe_gt *gt = pc_to_gt(pc);
struct xe_device *xe = gt_to_xe(gt);
- if (GRAPHICS_VERx100(xe) >= 1270) {
+ if (GRAPHICS_VERx100(xe) >= 1270)
mtl_update_rpa_value(pc);
- mtl_update_rpe_value(pc);
- } else {
+ else
tgl_update_rpa_value(pc);
- tgl_update_rpe_value(pc);
- }
-
- /*
- * RPe is decided at runtime by PCODE. In the rare case where that's
- * smaller than the fused min, we will trust the PCODE and use that
- * as our minimum one.
- */
- pc->rpn_freq = min(pc->rpn_freq, pc->rpe_freq);
}
/**
@@ -561,9 +556,17 @@ u32 xe_guc_pc_get_rpa_freq(struct xe_guc_pc *pc)
*/
u32 xe_guc_pc_get_rpe_freq(struct xe_guc_pc *pc)
{
- pc_update_rp_values(pc);
+ struct xe_device *xe = pc_to_xe(pc);
+ u32 freq;
- return pc->rpe_freq;
+ if (GRAPHICS_VERx100(xe) == 1260)
+ freq = pvc_get_rpe_freq(pc);
+ else if (GRAPHICS_VERx100(xe) >= 1270)
+ freq = mtl_get_rpe_freq(pc);
+ else
+ freq = tgl_get_rpe_freq(pc);
+
+ return freq;
}
/**
@@ -1022,7 +1025,7 @@ static int pc_set_mert_freq_cap(struct xe_guc_pc *pc)
/*
* Ensure min and max are bound by MERT_FREQ_CAP until driver loads.
*/
- ret = pc_set_min_freq(pc, min(pc->rpe_freq, pc_max_freq_cap(pc)));
+ ret = pc_set_min_freq(pc, min(xe_guc_pc_get_rpe_freq(pc), pc_max_freq_cap(pc)));
if (!ret)
ret = pc_set_max_freq(pc, min(pc->rp0_freq, pc_max_freq_cap(pc)));
@@ -1340,7 +1343,7 @@ static void xe_guc_pc_fini_hw(void *arg)
XE_WARN_ON(xe_guc_pc_stop(pc));
/* Bind requested freq to mert_freq_cap before unload */
- pc_set_cur_freq(pc, min(pc_max_freq_cap(pc), pc->rpe_freq));
+ pc_set_cur_freq(pc, min(pc_max_freq_cap(pc), xe_guc_pc_get_rpe_freq(pc)));
xe_force_wake_put(gt_to_fw(pc_to_gt(pc)), fw_ref);
}
diff --git a/drivers/gpu/drm/xe/xe_guc_pc_types.h b/drivers/gpu/drm/xe/xe_guc_pc_types.h
index 5e4ea53fbee6..f27c05d81706 100644
--- a/drivers/gpu/drm/xe/xe_guc_pc_types.h
+++ b/drivers/gpu/drm/xe/xe_guc_pc_types.h
@@ -21,8 +21,6 @@ struct xe_guc_pc {
u32 rp0_freq;
/** @rpa_freq: HW RPa frequency - The Achievable one */
u32 rpa_freq;
- /** @rpe_freq: HW RPe frequency - The Efficient one */
- u32 rpe_freq;
/** @rpn_freq: HW RPN frequency - The Minimum one */
u32 rpn_freq;
/** @user_requested_min: Stash the minimum requested freq by user */