[Intel-gfx] [PATCH v2 1/2] drm/i915: Add a wrapper for frequency debugfs
Vinay Belgaumkar
vinay.belgaumkar at intel.com
Tue Oct 4 22:29:02 UTC 2022
Move it to the RPS source file.
v2: Separate out code movement and functional changes (Jani)
Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar at intel.com>
---
drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c | 157 +----------------
drivers/gpu/drm/i915/gt/intel_rps.c | 163 ++++++++++++++++++
drivers/gpu/drm/i915/gt/intel_rps.h | 3 +
3 files changed, 167 insertions(+), 156 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 10f680dbd7b6..40d0a3be42ac 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm_debugfs.c
@@ -344,162 +344,7 @@ void intel_gt_pm_frequency_dump(struct intel_gt *gt, struct drm_printer *p)
drm_printf(p, "efficient (RPe) frequency: %d MHz\n",
intel_gpu_freq(rps, rps->efficient_freq));
} else if (GRAPHICS_VER(i915) >= 6) {
- u32 rp_state_limits;
- u32 gt_perf_status;
- struct intel_rps_freq_caps caps;
- u32 rpmodectl, rpinclimit, rpdeclimit;
- u32 rpstat, cagf, reqf;
- u32 rpcurupei, rpcurup, rpprevup;
- u32 rpcurdownei, rpcurdown, rpprevdown;
- u32 rpupei, rpupt, rpdownei, rpdownt;
- u32 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask;
-
- rp_state_limits = intel_uncore_read(uncore, GEN6_RP_STATE_LIMITS);
- gen6_rps_get_freq_caps(rps, &caps);
- if (IS_GEN9_LP(i915))
- gt_perf_status = intel_uncore_read(uncore, BXT_GT_PERF_STATUS);
- else
- gt_perf_status = intel_uncore_read(uncore, GEN6_GT_PERF_STATUS);
-
- /* RPSTAT1 is in the GT power well */
- intel_uncore_forcewake_get(uncore, FORCEWAKE_ALL);
-
- reqf = intel_uncore_read(uncore, GEN6_RPNSWREQ);
- if (GRAPHICS_VER(i915) >= 9) {
- reqf >>= 23;
- } else {
- reqf &= ~GEN6_TURBO_DISABLE;
- if (IS_HASWELL(i915) || IS_BROADWELL(i915))
- reqf >>= 24;
- else
- reqf >>= 25;
- }
- reqf = intel_gpu_freq(rps, reqf);
-
- rpmodectl = intel_uncore_read(uncore, GEN6_RP_CONTROL);
- rpinclimit = intel_uncore_read(uncore, GEN6_RP_UP_THRESHOLD);
- rpdeclimit = intel_uncore_read(uncore, GEN6_RP_DOWN_THRESHOLD);
-
- rpstat = intel_uncore_read(uncore, GEN6_RPSTAT1);
- rpcurupei = intel_uncore_read(uncore, GEN6_RP_CUR_UP_EI) & GEN6_CURICONT_MASK;
- rpcurup = intel_uncore_read(uncore, GEN6_RP_CUR_UP) & GEN6_CURBSYTAVG_MASK;
- rpprevup = intel_uncore_read(uncore, GEN6_RP_PREV_UP) & GEN6_CURBSYTAVG_MASK;
- rpcurdownei = intel_uncore_read(uncore, GEN6_RP_CUR_DOWN_EI) & GEN6_CURIAVG_MASK;
- rpcurdown = intel_uncore_read(uncore, GEN6_RP_CUR_DOWN) & GEN6_CURBSYTAVG_MASK;
- rpprevdown = intel_uncore_read(uncore, GEN6_RP_PREV_DOWN) & GEN6_CURBSYTAVG_MASK;
-
- rpupei = intel_uncore_read(uncore, GEN6_RP_UP_EI);
- rpupt = intel_uncore_read(uncore, GEN6_RP_UP_THRESHOLD);
-
- rpdownei = intel_uncore_read(uncore, GEN6_RP_DOWN_EI);
- rpdownt = intel_uncore_read(uncore, GEN6_RP_DOWN_THRESHOLD);
-
- cagf = intel_rps_read_actual_frequency(rps);
-
- intel_uncore_forcewake_put(uncore, FORCEWAKE_ALL);
-
- if (GRAPHICS_VER(i915) >= 11) {
- pm_ier = intel_uncore_read(uncore, GEN11_GPM_WGBOXPERF_INTR_ENABLE);
- pm_imr = intel_uncore_read(uncore, GEN11_GPM_WGBOXPERF_INTR_MASK);
- /*
- * The equivalent to the PM ISR & IIR cannot be read
- * without affecting the current state of the system
- */
- pm_isr = 0;
- pm_iir = 0;
- } else if (GRAPHICS_VER(i915) >= 8) {
- pm_ier = intel_uncore_read(uncore, GEN8_GT_IER(2));
- pm_imr = intel_uncore_read(uncore, GEN8_GT_IMR(2));
- pm_isr = intel_uncore_read(uncore, GEN8_GT_ISR(2));
- pm_iir = intel_uncore_read(uncore, GEN8_GT_IIR(2));
- } else {
- pm_ier = intel_uncore_read(uncore, GEN6_PMIER);
- pm_imr = intel_uncore_read(uncore, GEN6_PMIMR);
- pm_isr = intel_uncore_read(uncore, GEN6_PMISR);
- pm_iir = intel_uncore_read(uncore, GEN6_PMIIR);
- }
- pm_mask = intel_uncore_read(uncore, GEN6_PMINTRMSK);
-
- drm_printf(p, "Video Turbo Mode: %s\n",
- str_yes_no(rpmodectl & GEN6_RP_MEDIA_TURBO));
- drm_printf(p, "HW control enabled: %s\n",
- str_yes_no(rpmodectl & GEN6_RP_ENABLE));
- drm_printf(p, "SW control enabled: %s\n",
- str_yes_no((rpmodectl & GEN6_RP_MEDIA_MODE_MASK) == GEN6_RP_MEDIA_SW_MODE));
-
- drm_printf(p, "PM IER=0x%08x IMR=0x%08x, MASK=0x%08x\n",
- pm_ier, pm_imr, pm_mask);
- if (GRAPHICS_VER(i915) <= 10)
- drm_printf(p, "PM ISR=0x%08x IIR=0x%08x\n",
- pm_isr, pm_iir);
- drm_printf(p, "pm_intrmsk_mbz: 0x%08x\n",
- rps->pm_intrmsk_mbz);
- drm_printf(p, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status);
- drm_printf(p, "Render p-state ratio: %d\n",
- (gt_perf_status & (GRAPHICS_VER(i915) >= 9 ? 0x1ff00 : 0xff00)) >> 8);
- drm_printf(p, "Render p-state VID: %d\n",
- gt_perf_status & 0xff);
- drm_printf(p, "Render p-state limit: %d\n",
- rp_state_limits & 0xff);
- drm_printf(p, "RPSTAT1: 0x%08x\n", rpstat);
- drm_printf(p, "RPMODECTL: 0x%08x\n", rpmodectl);
- drm_printf(p, "RPINCLIMIT: 0x%08x\n", rpinclimit);
- drm_printf(p, "RPDECLIMIT: 0x%08x\n", rpdeclimit);
- drm_printf(p, "RPNSWREQ: %dMHz\n", reqf);
- drm_printf(p, "CAGF: %dMHz\n", cagf);
- drm_printf(p, "RP CUR UP EI: %d (%lldns)\n",
- rpcurupei,
- intel_gt_pm_interval_to_ns(gt, rpcurupei));
- drm_printf(p, "RP CUR UP: %d (%lldns)\n",
- rpcurup, intel_gt_pm_interval_to_ns(gt, rpcurup));
- drm_printf(p, "RP PREV UP: %d (%lldns)\n",
- rpprevup, intel_gt_pm_interval_to_ns(gt, rpprevup));
- drm_printf(p, "Up threshold: %d%%\n",
- rps->power.up_threshold);
- drm_printf(p, "RP UP EI: %d (%lldns)\n",
- rpupei, intel_gt_pm_interval_to_ns(gt, rpupei));
- drm_printf(p, "RP UP THRESHOLD: %d (%lldns)\n",
- rpupt, intel_gt_pm_interval_to_ns(gt, rpupt));
-
- drm_printf(p, "RP CUR DOWN EI: %d (%lldns)\n",
- rpcurdownei,
- intel_gt_pm_interval_to_ns(gt, rpcurdownei));
- drm_printf(p, "RP CUR DOWN: %d (%lldns)\n",
- rpcurdown,
- intel_gt_pm_interval_to_ns(gt, rpcurdown));
- drm_printf(p, "RP PREV DOWN: %d (%lldns)\n",
- rpprevdown,
- intel_gt_pm_interval_to_ns(gt, rpprevdown));
- drm_printf(p, "Down threshold: %d%%\n",
- rps->power.down_threshold);
- drm_printf(p, "RP DOWN EI: %d (%lldns)\n",
- rpdownei, intel_gt_pm_interval_to_ns(gt, rpdownei));
- drm_printf(p, "RP DOWN THRESHOLD: %d (%lldns)\n",
- rpdownt, intel_gt_pm_interval_to_ns(gt, rpdownt));
-
- drm_printf(p, "Lowest (RPN) frequency: %dMHz\n",
- intel_gpu_freq(rps, caps.min_freq));
- drm_printf(p, "Nominal (RP1) frequency: %dMHz\n",
- intel_gpu_freq(rps, caps.rp1_freq));
- drm_printf(p, "Max non-overclocked (RP0) frequency: %dMHz\n",
- intel_gpu_freq(rps, caps.rp0_freq));
- drm_printf(p, "Max overclocked frequency: %dMHz\n",
- intel_gpu_freq(rps, rps->max_freq));
-
- drm_printf(p, "Current freq: %d MHz\n",
- intel_gpu_freq(rps, rps->cur_freq));
- drm_printf(p, "Actual freq: %d MHz\n", cagf);
- drm_printf(p, "Idle freq: %d MHz\n",
- intel_gpu_freq(rps, rps->idle_freq));
- drm_printf(p, "Min freq: %d MHz\n",
- intel_gpu_freq(rps, rps->min_freq));
- drm_printf(p, "Boost freq: %d MHz\n",
- intel_gpu_freq(rps, rps->boost_freq));
- drm_printf(p, "Max freq: %d MHz\n",
- intel_gpu_freq(rps, rps->max_freq));
- drm_printf(p,
- "efficient (RPe) frequency: %d MHz\n",
- intel_gpu_freq(rps, rps->efficient_freq));
+ gen6_rps_frequency_dump(rps, p);
} else {
drm_puts(p, "no P-state info available\n");
}
diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c
index 17b40b625e31..737db780db00 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.c
+++ b/drivers/gpu/drm/i915/gt/intel_rps.c
@@ -2219,6 +2219,169 @@ u32 intel_rps_get_rpn_frequency(struct intel_rps *rps)
return intel_gpu_freq(rps, rps->min_freq);
}
+void gen6_rps_frequency_dump(struct intel_rps *rps, struct drm_printer *p)
+{
+ struct intel_gt *gt = rps_to_gt(rps);
+ struct drm_i915_private *i915 = gt->i915;
+ struct intel_uncore *uncore = gt->uncore;
+ struct intel_rps_freq_caps caps;
+ u32 rp_state_limits;
+ u32 gt_perf_status;
+ u32 rpmodectl, rpinclimit, rpdeclimit;
+ u32 rpstat, cagf, reqf;
+ u32 rpcurupei, rpcurup, rpprevup;
+ u32 rpcurdownei, rpcurdown, rpprevdown;
+ u32 rpupei, rpupt, rpdownei, rpdownt;
+ u32 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask;
+
+ rp_state_limits = intel_uncore_read(uncore, GEN6_RP_STATE_LIMITS);
+ gen6_rps_get_freq_caps(rps, &caps);
+ if (IS_GEN9_LP(i915))
+ gt_perf_status = intel_uncore_read(uncore, BXT_GT_PERF_STATUS);
+ else
+ gt_perf_status = intel_uncore_read(uncore, GEN6_GT_PERF_STATUS);
+
+ /* RPSTAT1 is in the GT power well */
+ intel_uncore_forcewake_get(uncore, FORCEWAKE_ALL);
+
+ reqf = intel_uncore_read(uncore, GEN6_RPNSWREQ);
+ if (GRAPHICS_VER(i915) >= 9) {
+ reqf >>= 23;
+ } else {
+ reqf &= ~GEN6_TURBO_DISABLE;
+ if (IS_HASWELL(i915) || IS_BROADWELL(i915))
+ reqf >>= 24;
+ else
+ reqf >>= 25;
+ }
+ reqf = intel_gpu_freq(rps, reqf);
+
+ rpmodectl = intel_uncore_read(uncore, GEN6_RP_CONTROL);
+ rpinclimit = intel_uncore_read(uncore, GEN6_RP_UP_THRESHOLD);
+ rpdeclimit = intel_uncore_read(uncore, GEN6_RP_DOWN_THRESHOLD);
+
+ rpstat = intel_uncore_read(uncore, GEN6_RPSTAT1);
+ rpcurupei = intel_uncore_read(uncore, GEN6_RP_CUR_UP_EI) & GEN6_CURICONT_MASK;
+ rpcurup = intel_uncore_read(uncore, GEN6_RP_CUR_UP) & GEN6_CURBSYTAVG_MASK;
+ rpprevup = intel_uncore_read(uncore, GEN6_RP_PREV_UP) & GEN6_CURBSYTAVG_MASK;
+ rpcurdownei = intel_uncore_read(uncore, GEN6_RP_CUR_DOWN_EI) & GEN6_CURIAVG_MASK;
+ rpcurdown = intel_uncore_read(uncore, GEN6_RP_CUR_DOWN) & GEN6_CURBSYTAVG_MASK;
+ rpprevdown = intel_uncore_read(uncore, GEN6_RP_PREV_DOWN) & GEN6_CURBSYTAVG_MASK;
+
+ rpupei = intel_uncore_read(uncore, GEN6_RP_UP_EI);
+ rpupt = intel_uncore_read(uncore, GEN6_RP_UP_THRESHOLD);
+
+ rpdownei = intel_uncore_read(uncore, GEN6_RP_DOWN_EI);
+ rpdownt = intel_uncore_read(uncore, GEN6_RP_DOWN_THRESHOLD);
+
+ cagf = intel_rps_read_actual_frequency(rps);
+
+ intel_uncore_forcewake_put(uncore, FORCEWAKE_ALL);
+
+ if (GRAPHICS_VER(i915) >= 11) {
+ pm_ier = intel_uncore_read(uncore, GEN11_GPM_WGBOXPERF_INTR_ENABLE);
+ pm_imr = intel_uncore_read(uncore, GEN11_GPM_WGBOXPERF_INTR_MASK);
+ /*
+ * The equivalent to the PM ISR & IIR cannot be read
+ * without affecting the current state of the system
+ */
+ pm_isr = 0;
+ pm_iir = 0;
+ } else if (GRAPHICS_VER(i915) >= 8) {
+ pm_ier = intel_uncore_read(uncore, GEN8_GT_IER(2));
+ pm_imr = intel_uncore_read(uncore, GEN8_GT_IMR(2));
+ pm_isr = intel_uncore_read(uncore, GEN8_GT_ISR(2));
+ pm_iir = intel_uncore_read(uncore, GEN8_GT_IIR(2));
+ } else {
+ pm_ier = intel_uncore_read(uncore, GEN6_PMIER);
+ pm_imr = intel_uncore_read(uncore, GEN6_PMIMR);
+ pm_isr = intel_uncore_read(uncore, GEN6_PMISR);
+ pm_iir = intel_uncore_read(uncore, GEN6_PMIIR);
+ }
+ pm_mask = intel_uncore_read(uncore, GEN6_PMINTRMSK);
+
+ drm_printf(p, "Video Turbo Mode: %s\n",
+ str_yes_no(rpmodectl & GEN6_RP_MEDIA_TURBO));
+ drm_printf(p, "HW control enabled: %s\n",
+ str_yes_no(rpmodectl & GEN6_RP_ENABLE));
+ drm_printf(p, "SW control enabled: %s\n",
+ str_yes_no((rpmodectl & GEN6_RP_MEDIA_MODE_MASK) == GEN6_RP_MEDIA_SW_MODE));
+
+ drm_printf(p, "PM IER=0x%08x IMR=0x%08x, MASK=0x%08x\n",
+ pm_ier, pm_imr, pm_mask);
+ if (GRAPHICS_VER(i915) <= 10)
+ drm_printf(p, "PM ISR=0x%08x IIR=0x%08x\n",
+ pm_isr, pm_iir);
+ drm_printf(p, "pm_intrmsk_mbz: 0x%08x\n",
+ rps->pm_intrmsk_mbz);
+ drm_printf(p, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status);
+ drm_printf(p, "Render p-state ratio: %d\n",
+ (gt_perf_status & (GRAPHICS_VER(i915) >= 9 ? 0x1ff00 : 0xff00)) >> 8);
+ drm_printf(p, "Render p-state VID: %d\n",
+ gt_perf_status & 0xff);
+ drm_printf(p, "Render p-state limit: %d\n",
+ rp_state_limits & 0xff);
+ drm_printf(p, "RPSTAT1: 0x%08x\n", rpstat);
+ drm_printf(p, "RPMODECTL: 0x%08x\n", rpmodectl);
+ drm_printf(p, "RPINCLIMIT: 0x%08x\n", rpinclimit);
+ drm_printf(p, "RPDECLIMIT: 0x%08x\n", rpdeclimit);
+ drm_printf(p, "RPNSWREQ: %dMHz\n", reqf);
+ drm_printf(p, "CAGF: %dMHz\n", cagf);
+ drm_printf(p, "RP CUR UP EI: %d (%lldns)\n",
+ rpcurupei,
+ intel_gt_pm_interval_to_ns(gt, rpcurupei));
+ drm_printf(p, "RP CUR UP: %d (%lldns)\n",
+ rpcurup, intel_gt_pm_interval_to_ns(gt, rpcurup));
+ drm_printf(p, "RP PREV UP: %d (%lldns)\n",
+ rpprevup, intel_gt_pm_interval_to_ns(gt, rpprevup));
+ drm_printf(p, "Up threshold: %d%%\n",
+ rps->power.up_threshold);
+ drm_printf(p, "RP UP EI: %d (%lldns)\n",
+ rpupei, intel_gt_pm_interval_to_ns(gt, rpupei));
+ drm_printf(p, "RP UP THRESHOLD: %d (%lldns)\n",
+ rpupt, intel_gt_pm_interval_to_ns(gt, rpupt));
+
+ drm_printf(p, "RP CUR DOWN EI: %d (%lldns)\n",
+ rpcurdownei,
+ intel_gt_pm_interval_to_ns(gt, rpcurdownei));
+ drm_printf(p, "RP CUR DOWN: %d (%lldns)\n",
+ rpcurdown,
+ intel_gt_pm_interval_to_ns(gt, rpcurdown));
+ drm_printf(p, "RP PREV DOWN: %d (%lldns)\n",
+ rpprevdown,
+ intel_gt_pm_interval_to_ns(gt, rpprevdown));
+ drm_printf(p, "Down threshold: %d%%\n",
+ rps->power.down_threshold);
+ drm_printf(p, "RP DOWN EI: %d (%lldns)\n",
+ rpdownei, intel_gt_pm_interval_to_ns(gt, rpdownei));
+ drm_printf(p, "RP DOWN THRESHOLD: %d (%lldns)\n",
+ rpdownt, intel_gt_pm_interval_to_ns(gt, rpdownt));
+
+ drm_printf(p, "Lowest (RPN) frequency: %dMHz\n",
+ intel_gpu_freq(rps, caps.min_freq));
+ drm_printf(p, "Nominal (RP1) frequency: %dMHz\n",
+ intel_gpu_freq(rps, caps.rp1_freq));
+ drm_printf(p, "Max non-overclocked (RP0) frequency: %dMHz\n",
+ intel_gpu_freq(rps, caps.rp0_freq));
+ drm_printf(p, "Max overclocked frequency: %dMHz\n",
+ intel_gpu_freq(rps, rps->max_freq));
+
+ drm_printf(p, "Current freq: %d MHz\n",
+ intel_gpu_freq(rps, rps->cur_freq));
+ drm_printf(p, "Actual freq: %d MHz\n", cagf);
+ drm_printf(p, "Idle freq: %d MHz\n",
+ intel_gpu_freq(rps, rps->idle_freq));
+ drm_printf(p, "Min freq: %d MHz\n",
+ intel_gpu_freq(rps, rps->min_freq));
+ drm_printf(p, "Boost freq: %d MHz\n",
+ intel_gpu_freq(rps, rps->boost_freq));
+ drm_printf(p, "Max freq: %d MHz\n",
+ intel_gpu_freq(rps, rps->max_freq));
+ drm_printf(p,
+ "efficient (RPe) frequency: %d MHz\n",
+ intel_gpu_freq(rps, rps->efficient_freq));
+}
+
static int set_max_freq(struct intel_rps *rps, u32 val)
{
struct drm_i915_private *i915 = rps_to_i915(rps);
diff --git a/drivers/gpu/drm/i915/gt/intel_rps.h b/drivers/gpu/drm/i915/gt/intel_rps.h
index 4509dfdc52e0..110300dfd438 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.h
+++ b/drivers/gpu/drm/i915/gt/intel_rps.h
@@ -10,6 +10,7 @@
#include "i915_reg_defs.h"
struct i915_request;
+struct drm_printer;
void intel_rps_init_early(struct intel_rps *rps);
void intel_rps_init(struct intel_rps *rps);
@@ -54,6 +55,8 @@ void intel_rps_lower_unslice(struct intel_rps *rps);
u32 intel_rps_read_throttle_reason(struct intel_rps *rps);
bool rps_read_mask_mmio(struct intel_rps *rps, i915_reg_t reg32, u32 mask);
+void gen6_rps_frequency_dump(struct intel_rps *rps, struct drm_printer *p);
+
void gen5_rps_irq_handler(struct intel_rps *rps);
void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir);
void gen11_rps_irq_handler(struct intel_rps *rps, u32 pm_iir);
--
2.35.1
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