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path: root/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c88
1 files changed, 66 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c b/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c
index 40d0a3be42ac..83df4cd5e06c 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c
@@ -83,19 +83,6 @@ static int fw_domains_show(struct seq_file *m, void *data)
}
DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(fw_domains);
-static void print_rc6_res(struct seq_file *m,
- const char *title,
- const i915_reg_t reg)
-{
- struct intel_gt *gt = m->private;
- intel_wakeref_t wakeref;
-
- with_intel_runtime_pm(gt->uncore->rpm, wakeref)
- seq_printf(m, "%s %u (%llu us)\n", title,
- intel_uncore_read(gt->uncore, reg),
- intel_rc6_residency_us(&gt->rc6, reg));
-}
-
static int vlv_drpc(struct seq_file *m)
{
struct intel_gt *gt = m->private;
@@ -115,8 +102,8 @@ static int vlv_drpc(struct seq_file *m)
seq_printf(m, "Media Power Well: %s\n",
(pw_status & VLV_GTLC_PW_MEDIA_STATUS_MASK) ? "Up" : "Down");
- print_rc6_res(m, "Render RC6 residency since boot:", GEN6_GT_GFX_RC6);
- print_rc6_res(m, "Media RC6 residency since boot:", VLV_GT_MEDIA_RC6);
+ intel_rc6_print_residency(m, "Render RC6 residency since boot:", INTEL_RC6_RES_RC6);
+ intel_rc6_print_residency(m, "Media RC6 residency since boot:", INTEL_RC6_RES_VLV_MEDIA);
return fw_domains_show(m, NULL);
}
@@ -192,11 +179,11 @@ static int gen6_drpc(struct seq_file *m)
}
/* Not exactly sure what this is */
- print_rc6_res(m, "RC6 \"Locked to RPn\" residency since boot:",
- GEN6_GT_GFX_RC6_LOCKED);
- print_rc6_res(m, "RC6 residency since boot:", GEN6_GT_GFX_RC6);
- print_rc6_res(m, "RC6+ residency since boot:", GEN6_GT_GFX_RC6p);
- print_rc6_res(m, "RC6++ residency since boot:", GEN6_GT_GFX_RC6pp);
+ intel_rc6_print_residency(m, "RC6 \"Locked to RPn\" residency since boot:",
+ INTEL_RC6_RES_RC6_LOCKED);
+ intel_rc6_print_residency(m, "RC6 residency since boot:", INTEL_RC6_RES_RC6);
+ intel_rc6_print_residency(m, "RC6+ residency since boot:", INTEL_RC6_RES_RC6p);
+ intel_rc6_print_residency(m, "RC6++ residency since boot:", INTEL_RC6_RES_RC6pp);
if (GRAPHICS_VER(i915) <= 7) {
seq_printf(m, "RC6 voltage: %dmV\n",
@@ -269,6 +256,61 @@ static int ilk_drpc(struct seq_file *m)
return 0;
}
+static int mtl_drpc(struct seq_file *m)
+{
+ struct intel_gt *gt = m->private;
+ struct intel_uncore *uncore = gt->uncore;
+ u32 gt_core_status, rcctl1, mt_fwake_req;
+ u32 mtl_powergate_enable = 0, mtl_powergate_status = 0;
+
+ mt_fwake_req = intel_uncore_read_fw(uncore, FORCEWAKE_MT);
+ gt_core_status = intel_uncore_read(uncore, MTL_MIRROR_TARGET_WP1);
+
+ rcctl1 = intel_uncore_read(uncore, GEN6_RC_CONTROL);
+ mtl_powergate_enable = intel_uncore_read(uncore, GEN9_PG_ENABLE);
+ mtl_powergate_status = intel_uncore_read(uncore,
+ GEN9_PWRGT_DOMAIN_STATUS);
+
+ seq_printf(m, "RC6 Enabled: %s\n",
+ str_yes_no(rcctl1 & GEN6_RC_CTL_RC6_ENABLE));
+ if (gt->type == GT_MEDIA) {
+ seq_printf(m, "Media Well Gating Enabled: %s\n",
+ str_yes_no(mtl_powergate_enable & GEN9_MEDIA_PG_ENABLE));
+ } else {
+ seq_printf(m, "Render Well Gating Enabled: %s\n",
+ str_yes_no(mtl_powergate_enable & GEN9_RENDER_PG_ENABLE));
+ }
+
+ seq_puts(m, "Current RC state: ");
+ switch (REG_FIELD_GET(MTL_CC_MASK, gt_core_status)) {
+ case MTL_CC0:
+ seq_puts(m, "RC0\n");
+ break;
+ case MTL_CC6:
+ seq_puts(m, "RC6\n");
+ break;
+ default:
+ MISSING_CASE(REG_FIELD_GET(MTL_CC_MASK, gt_core_status));
+ seq_puts(m, "Unknown\n");
+ break;
+ }
+
+ seq_printf(m, "Multi-threaded Forcewake Request: 0x%x\n", mt_fwake_req);
+ if (gt->type == GT_MEDIA)
+ seq_printf(m, "Media Power Well: %s\n",
+ (mtl_powergate_status &
+ GEN9_PWRGT_MEDIA_STATUS_MASK) ? "Up" : "Down");
+ else
+ seq_printf(m, "Render Power Well: %s\n",
+ (mtl_powergate_status &
+ GEN9_PWRGT_RENDER_STATUS_MASK) ? "Up" : "Down");
+
+ /* Works for both render and media gt's */
+ intel_rc6_print_residency(m, "RC6 residency since boot:", INTEL_RC6_RES_RC6);
+
+ return fw_domains_show(m, NULL);
+}
+
static int drpc_show(struct seq_file *m, void *unused)
{
struct intel_gt *gt = m->private;
@@ -277,7 +319,9 @@ static int drpc_show(struct seq_file *m, void *unused)
int err = -ENODEV;
with_intel_runtime_pm(gt->uncore->rpm, wakeref) {
- if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915))
+ if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70))
+ err = mtl_drpc(m);
+ else if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915))
err = vlv_drpc(m);
else if (GRAPHICS_VER(i915) >= 6)
err = gen6_drpc(m);
@@ -307,7 +351,7 @@ void intel_gt_pm_frequency_dump(struct intel_gt *gt, struct drm_printer *p)
drm_printf(p, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >>
MEMSTAT_VID_SHIFT);
drm_printf(p, "Current P-state: %d\n",
- (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT);
+ REG_FIELD_GET(MEMSTAT_PSTATE_MASK, rgvstat));
} else if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) {
u32 rpmodectl, freq_sts;