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path: root/drivers/gpu/drm/v3d/v3d_perfmon.c
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Diffstat (limited to 'drivers/gpu/drm/v3d/v3d_perfmon.c')
-rw-r--r--drivers/gpu/drm/v3d/v3d_perfmon.c308
1 files changed, 293 insertions, 15 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_perfmon.c b/drivers/gpu/drm/v3d/v3d_perfmon.c
index e1be7368b87d..3ebda2fa46fc 100644
--- a/drivers/gpu/drm/v3d/v3d_perfmon.c
+++ b/drivers/gpu/drm/v3d/v3d_perfmon.c
@@ -9,6 +9,209 @@
#define V3D_PERFMONID_MIN 1
#define V3D_PERFMONID_MAX U32_MAX
+static const struct v3d_perf_counter_desc v3d_v42_performance_counters[] = {
+ {"FEP", "FEP-valid-primitives-no-rendered-pixels", "[FEP] Valid primitives that result in no rendered pixels, for all rendered tiles"},
+ {"FEP", "FEP-valid-primitives-rendered-pixels", "[FEP] Valid primitives for all rendered tiles (primitives may be counted in more than one tile)"},
+ {"FEP", "FEP-clipped-quads", "[FEP] Early-Z/Near/Far clipped quads"},
+ {"FEP", "FEP-valid-quads", "[FEP] Valid quads"},
+ {"TLB", "TLB-quads-not-passing-stencil-test", "[TLB] Quads with no pixels passing the stencil test"},
+ {"TLB", "TLB-quads-not-passing-z-and-stencil-test", "[TLB] Quads with no pixels passing the Z and stencil tests"},
+ {"TLB", "TLB-quads-passing-z-and-stencil-test", "[TLB] Quads with any pixels passing the Z and stencil tests"},
+ {"TLB", "TLB-quads-with-zero-coverage", "[TLB] Quads with all pixels having zero coverage"},
+ {"TLB", "TLB-quads-with-non-zero-coverage", "[TLB] Quads with any pixels having non-zero coverage"},
+ {"TLB", "TLB-quads-written-to-color-buffer", "[TLB] Quads with valid pixels written to colour buffer"},
+ {"PTB", "PTB-primitives-discarded-outside-viewport", "[PTB] Primitives discarded by being outside the viewport"},
+ {"PTB", "PTB-primitives-need-clipping", "[PTB] Primitives that need clipping"},
+ {"PTB", "PTB-primitives-discarded-reversed", "[PTB] Primitives that are discarded because they are reversed"},
+ {"QPU", "QPU-total-idle-clk-cycles", "[QPU] Total idle clock cycles for all QPUs"},
+ {"QPU", "QPU-total-active-clk-cycles-vertex-coord-shading", "[QPU] Total active clock cycles for all QPUs doing vertex/coordinate/user shading (counts only when QPU is not stalled)"},
+ {"QPU", "QPU-total-active-clk-cycles-fragment-shading", "[QPU] Total active clock cycles for all QPUs doing fragment shading (counts only when QPU is not stalled)"},
+ {"QPU", "QPU-total-clk-cycles-executing-valid-instr", "[QPU] Total clock cycles for all QPUs executing valid instructions"},
+ {"QPU", "QPU-total-clk-cycles-waiting-TMU", "[QPU] Total clock cycles for all QPUs stalled waiting for TMUs only (counter won't increment if QPU also stalling for another reason)"},
+ {"QPU", "QPU-total-clk-cycles-waiting-scoreboard", "[QPU] Total clock cycles for all QPUs stalled waiting for Scoreboard only (counter won't increment if QPU also stalling for another reason)"},
+ {"QPU", "QPU-total-clk-cycles-waiting-varyings", "[QPU] Total clock cycles for all QPUs stalled waiting for Varyings only (counter won't increment if QPU also stalling for another reason)"},
+ {"QPU", "QPU-total-instr-cache-hit", "[QPU] Total instruction cache hits for all slices"},
+ {"QPU", "QPU-total-instr-cache-miss", "[QPU] Total instruction cache misses for all slices"},
+ {"QPU", "QPU-total-uniform-cache-hit", "[QPU] Total uniforms cache hits for all slices"},
+ {"QPU", "QPU-total-uniform-cache-miss", "[QPU] Total uniforms cache misses for all slices"},
+ {"TMU", "TMU-total-text-quads-access", "[TMU] Total texture cache accesses"},
+ {"TMU", "TMU-total-text-cache-miss", "[TMU] Total texture cache misses (number of fetches from memory/L2cache)"},
+ {"VPM", "VPM-total-clk-cycles-VDW-stalled", "[VPM] Total clock cycles VDW is stalled waiting for VPM access"},
+ {"VPM", "VPM-total-clk-cycles-VCD-stalled", "[VPM] Total clock cycles VCD is stalled waiting for VPM access"},
+ {"CLE", "CLE-bin-thread-active-cycles", "[CLE] Bin thread active cycles"},
+ {"CLE", "CLE-render-thread-active-cycles", "[CLE] Render thread active cycles"},
+ {"L2T", "L2T-total-cache-hit", "[L2T] Total Level 2 cache hits"},
+ {"L2T", "L2T-total-cache-miss", "[L2T] Total Level 2 cache misses"},
+ {"CORE", "cycle-count", "[CORE] Cycle counter"},
+ {"QPU", "QPU-total-clk-cycles-waiting-vertex-coord-shading", "[QPU] Total stalled clock cycles for all QPUs doing vertex/coordinate/user shading"},
+ {"QPU", "QPU-total-clk-cycles-waiting-fragment-shading", "[QPU] Total stalled clock cycles for all QPUs doing fragment shading"},
+ {"PTB", "PTB-primitives-binned", "[PTB] Total primitives binned"},
+ {"AXI", "AXI-writes-seen-watch-0", "[AXI] Writes seen by watch 0"},
+ {"AXI", "AXI-reads-seen-watch-0", "[AXI] Reads seen by watch 0"},
+ {"AXI", "AXI-writes-stalled-seen-watch-0", "[AXI] Write stalls seen by watch 0"},
+ {"AXI", "AXI-reads-stalled-seen-watch-0", "[AXI] Read stalls seen by watch 0"},
+ {"AXI", "AXI-write-bytes-seen-watch-0", "[AXI] Total bytes written seen by watch 0"},
+ {"AXI", "AXI-read-bytes-seen-watch-0", "[AXI] Total bytes read seen by watch 0"},
+ {"AXI", "AXI-writes-seen-watch-1", "[AXI] Writes seen by watch 1"},
+ {"AXI", "AXI-reads-seen-watch-1", "[AXI] Reads seen by watch 1"},
+ {"AXI", "AXI-writes-stalled-seen-watch-1", "[AXI] Write stalls seen by watch 1"},
+ {"AXI", "AXI-reads-stalled-seen-watch-1", "[AXI] Read stalls seen by watch 1"},
+ {"AXI", "AXI-write-bytes-seen-watch-1", "[AXI] Total bytes written seen by watch 1"},
+ {"AXI", "AXI-read-bytes-seen-watch-1", "[AXI] Total bytes read seen by watch 1"},
+ {"TLB", "TLB-partial-quads-written-to-color-buffer", "[TLB] Partial quads written to the colour buffer"},
+ {"TMU", "TMU-total-config-access", "[TMU] Total config accesses"},
+ {"L2T", "L2T-no-id-stalled", "[L2T] No ID stall"},
+ {"L2T", "L2T-command-queue-stalled", "[L2T] Command queue full stall"},
+ {"L2T", "L2T-TMU-writes", "[L2T] TMU write accesses"},
+ {"TMU", "TMU-active-cycles", "[TMU] Active cycles"},
+ {"TMU", "TMU-stalled-cycles", "[TMU] Stalled cycles"},
+ {"CLE", "CLE-thread-active-cycles", "[CLE] Bin or render thread active cycles"},
+ {"L2T", "L2T-TMU-reads", "[L2T] TMU read accesses"},
+ {"L2T", "L2T-CLE-reads", "[L2T] CLE read accesses"},
+ {"L2T", "L2T-VCD-reads", "[L2T] VCD read accesses"},
+ {"L2T", "L2T-TMU-config-reads", "[L2T] TMU CFG read accesses"},
+ {"L2T", "L2T-SLC0-reads", "[L2T] SLC0 read accesses"},
+ {"L2T", "L2T-SLC1-reads", "[L2T] SLC1 read accesses"},
+ {"L2T", "L2T-SLC2-reads", "[L2T] SLC2 read accesses"},
+ {"L2T", "L2T-TMU-write-miss", "[L2T] TMU write misses"},
+ {"L2T", "L2T-TMU-read-miss", "[L2T] TMU read misses"},
+ {"L2T", "L2T-CLE-read-miss", "[L2T] CLE read misses"},
+ {"L2T", "L2T-VCD-read-miss", "[L2T] VCD read misses"},
+ {"L2T", "L2T-TMU-config-read-miss", "[L2T] TMU CFG read misses"},
+ {"L2T", "L2T-SLC0-read-miss", "[L2T] SLC0 read misses"},
+ {"L2T", "L2T-SLC1-read-miss", "[L2T] SLC1 read misses"},
+ {"L2T", "L2T-SLC2-read-miss", "[L2T] SLC2 read misses"},
+ {"CORE", "core-memory-writes", "[CORE] Total memory writes"},
+ {"L2T", "L2T-memory-writes", "[L2T] Total memory writes"},
+ {"PTB", "PTB-memory-writes", "[PTB] Total memory writes"},
+ {"TLB", "TLB-memory-writes", "[TLB] Total memory writes"},
+ {"CORE", "core-memory-reads", "[CORE] Total memory reads"},
+ {"L2T", "L2T-memory-reads", "[L2T] Total memory reads"},
+ {"PTB", "PTB-memory-reads", "[PTB] Total memory reads"},
+ {"PSE", "PSE-memory-reads", "[PSE] Total memory reads"},
+ {"TLB", "TLB-memory-reads", "[TLB] Total memory reads"},
+ {"GMP", "GMP-memory-reads", "[GMP] Total memory reads"},
+ {"PTB", "PTB-memory-words-writes", "[PTB] Total memory words written"},
+ {"TLB", "TLB-memory-words-writes", "[TLB] Total memory words written"},
+ {"PSE", "PSE-memory-words-reads", "[PSE] Total memory words read"},
+ {"TLB", "TLB-memory-words-reads", "[TLB] Total memory words read"},
+ {"TMU", "TMU-MRU-hits", "[TMU] Total MRU hits"},
+ {"CORE", "compute-active-cycles", "[CORE] Compute active cycles"},
+};
+
+static const struct v3d_perf_counter_desc v3d_v71_performance_counters[] = {
+ {"CORE", "cycle-count", "[CORE] Cycle counter"},
+ {"CORE", "core-active", "[CORE] Bin/Render/Compute active cycles"},
+ {"CLE", "CLE-bin-thread-active-cycles", "[CLE] Bin thread active cycles"},
+ {"CLE", "CLE-render-thread-active-cycles", "[CLE] Render thread active cycles"},
+ {"CORE", "compute-active-cycles", "[CORE] Compute active cycles"},
+ {"FEP", "FEP-valid-primitives-no-rendered-pixels", "[FEP] Valid primitives that result in no rendered pixels, for all rendered tiles"},
+ {"FEP", "FEP-valid-primitives-rendered-pixels", "[FEP] Valid primitives for all rendered tiles (primitives may be counted in more than one tile)"},
+ {"FEP", "FEP-clipped-quads", "[FEP] Early-Z/Near/Far clipped quads"},
+ {"FEP", "FEP-valid-quads", "[FEP] Valid quads"},
+ {"TLB", "TLB-quads-not-passing-stencil-test", "[TLB] Quads with no pixels passing the stencil test"},
+ {"TLB", "TLB-quads-not-passing-z-and-stencil-test", "[TLB] Quads with no pixels passing the Z and stencil tests"},
+ {"TLB", "TLB-quads-passing-z-and-stencil-test", "[TLB] Quads with any pixels passing the Z and stencil tests"},
+ {"TLB", "TLB-quads-written-to-color-buffer", "[TLB] Quads with valid pixels written to colour buffer"},
+ {"TLB", "TLB-partial-quads-written-to-color-buffer", "[TLB] Partial quads written to the colour buffer"},
+ {"PTB", "PTB-primitives-need-clipping", "[PTB] Primitives that need clipping"},
+ {"PTB", "PTB-primitives-discarded-outside-viewport", "[PTB] Primitives discarded by being outside the viewport"},
+ {"PTB", "PTB-primitives-binned", "[PTB] Total primitives binned"},
+ {"PTB", "PTB-primitives-discarded-reversed", "[PTB] Primitives that are discarded because they are reversed"},
+ {"QPU", "QPU-total-instr-cache-hit", "[QPU] Total instruction cache hits for all slices"},
+ {"QPU", "QPU-total-instr-cache-miss", "[QPU] Total instruction cache misses for all slices"},
+ {"QPU", "QPU-total-uniform-cache-hit", "[QPU] Total uniforms cache hits for all slices"},
+ {"QPU", "QPU-total-uniform-cache-miss", "[QPU] Total uniforms cache misses for all slices"},
+ {"TMU", "TMU-active-cycles", "[TMU] Active cycles"},
+ {"TMU", "TMU-stalled-cycles", "[TMU] Stalled cycles"},
+ {"TMU", "TMU-total-text-quads-access", "[TMU] Total texture cache accesses"},
+ {"TMU", "TMU-cache-x4-active-cycles", "[TMU] Cache active cycles for x4 access"},
+ {"TMU", "TMU-cache-x4-stalled-cycles", "[TMU] Cache stalled cycles for x4 access"},
+ {"TMU", "TMU-total-text-quads-x4-access", "[TMU] Total texture cache x4 access"},
+ {"L2T", "L2T-total-cache-hit", "[L2T] Total Level 2 cache hits"},
+ {"L2T", "L2T-total-cache-miss", "[L2T] Total Level 2 cache misses"},
+ {"L2T", "L2T-local", "[L2T] Local mode access"},
+ {"L2T", "L2T-writeback", "[L2T] Writeback"},
+ {"L2T", "L2T-zero", "[L2T] Zero"},
+ {"L2T", "L2T-merge", "[L2T] Merge"},
+ {"L2T", "L2T-fill", "[L2T] Fill"},
+ {"L2T", "L2T-stalls-no-wid", "[L2T] Stalls because no WID available"},
+ {"L2T", "L2T-stalls-no-rid", "[L2T] Stalls because no RID available"},
+ {"L2T", "L2T-stalls-queue-full", "[L2T] Stalls because internal queue full"},
+ {"L2T", "L2T-stalls-wrightback", "[L2T] Stalls because writeback in flight"},
+ {"L2T", "L2T-stalls-mem", "[L2T] Stalls because AXI blocks read"},
+ {"L2T", "L2T-stalls-fill", "[L2T] Stalls because fill pending for victim cache-line"},
+ {"L2T", "L2T-hitq", "[L2T] Sent request via hit queue"},
+ {"L2T", "L2T-hitq-full", "[L2T] Sent request via main queue because hit queue is full"},
+ {"L2T", "L2T-stalls-read-data", "[L2T] Stalls because waiting for data from SDRAM"},
+ {"L2T", "L2T-TMU-read-hits", "[L2T] TMU read hits"},
+ {"L2T", "L2T-TMU-read-miss", "[L2T] TMU read misses"},
+ {"L2T", "L2T-VCD-read-hits", "[L2T] VCD read hits"},
+ {"L2T", "L2T-VCD-read-miss", "[L2T] VCD read misses"},
+ {"L2T", "L2T-SLC-read-hits", "[L2T] SLC read hits (all slices)"},
+ {"L2T", "L2T-SLC-read-miss", "[L2T] SLC read misses (all slices)"},
+ {"AXI", "AXI-writes-seen-watch-0", "[AXI] Writes seen by watch 0"},
+ {"AXI", "AXI-reads-seen-watch-0", "[AXI] Reads seen by watch 0"},
+ {"AXI", "AXI-writes-stalled-seen-watch-0", "[AXI] Write stalls seen by watch 0"},
+ {"AXI", "AXI-reads-stalled-seen-watch-0", "[AXI] Read stalls seen by watch 0"},
+ {"AXI", "AXI-write-bytes-seen-watch-0", "[AXI] Total bytes written seen by watch 0"},
+ {"AXI", "AXI-read-bytes-seen-watch-0", "[AXI] Total bytes read seen by watch 0"},
+ {"AXI", "AXI-writes-seen-watch-1", "[AXI] Writes seen by watch 1"},
+ {"AXI", "AXI-reads-seen-watch-1", "[AXI] Reads seen by watch 1"},
+ {"AXI", "AXI-writes-stalled-seen-watch-1", "[AXI] Write stalls seen by watch 1"},
+ {"AXI", "AXI-reads-stalled-seen-watch-1", "[AXI] Read stalls seen by watch 1"},
+ {"AXI", "AXI-write-bytes-seen-watch-1", "[AXI] Total bytes written seen by watch 1"},
+ {"AXI", "AXI-read-bytes-seen-watch-1", "[AXI] Total bytes read seen by watch 1"},
+ {"CORE", "core-memory-writes", "[CORE] Total memory writes"},
+ {"L2T", "L2T-memory-writes", "[L2T] Total memory writes"},
+ {"PTB", "PTB-memory-writes", "[PTB] Total memory writes"},
+ {"TLB", "TLB-memory-writes", "[TLB] Total memory writes"},
+ {"CORE", "core-memory-reads", "[CORE] Total memory reads"},
+ {"L2T", "L2T-memory-reads", "[L2T] Total memory reads"},
+ {"PTB", "PTB-memory-reads", "[PTB] Total memory reads"},
+ {"PSE", "PSE-memory-reads", "[PSE] Total memory reads"},
+ {"TLB", "TLB-memory-reads", "[TLB] Total memory reads"},
+ {"PTB", "PTB-memory-words-writes", "[PTB] Total memory words written"},
+ {"TLB", "TLB-memory-words-writes", "[TLB] Total memory words written"},
+ {"PSE", "PSE-memory-words-reads", "[PSE] Total memory words read"},
+ {"TLB", "TLB-memory-words-reads", "[TLB] Total memory words read"},
+ {"AXI", "AXI-read-trans", "[AXI] Read transaction count"},
+ {"AXI", "AXI-write-trans", "[AXI] Write transaction count"},
+ {"AXI", "AXI-read-wait-cycles", "[AXI] Read total wait cycles"},
+ {"AXI", "AXI-write-wait-cycles", "[AXI] Write total wait cycles"},
+ {"AXI", "AXI-max-outstanding-reads", "[AXI] Maximum outstanding read transactions"},
+ {"AXI", "AXI-max-outstanding-writes", "[AXI] Maximum outstanding write transactions"},
+ {"QPU", "QPU-wait-bubble", "[QPU] Pipeline bubble in qcycles due all threads waiting"},
+ {"QPU", "QPU-ic-miss-bubble", "[QPU] Pipeline bubble in qcycles due instruction-cache miss"},
+ {"QPU", "QPU-active", "[QPU] Executed shader instruction"},
+ {"QPU", "QPU-total-active-clk-cycles-fragment-shading", "[QPU] Total active clock cycles for all QPUs doing fragment shading (counts only when QPU is not stalled)"},
+ {"QPU", "QPU-stalls", "[QPU] Stalled qcycles executing shader instruction"},
+ {"QPU", "QPU-total-clk-cycles-waiting-fragment-shading", "[QPU] Total stalled clock cycles for all QPUs doing fragment shading"},
+ {"QPU", "QPU-stalls-TMU", "[QPU] Stalled qcycles waiting for TMU"},
+ {"QPU", "QPU-stalls-TLB", "[QPU] Stalled qcycles waiting for TLB"},
+ {"QPU", "QPU-stalls-VPM", "[QPU] Stalled qcycles waiting for VPM"},
+ {"QPU", "QPU-stalls-uniforms", "[QPU] Stalled qcycles waiting for uniforms"},
+ {"QPU", "QPU-stalls-SFU", "[QPU] Stalled qcycles waiting for SFU"},
+ {"QPU", "QPU-stalls-other", "[QPU] Stalled qcycles waiting for any other reason (vary/W/Z)"},
+};
+
+void v3d_perfmon_init(struct v3d_dev *v3d)
+{
+ const struct v3d_perf_counter_desc *counters = NULL;
+ unsigned int max = 0;
+
+ if (v3d->ver >= 71) {
+ counters = v3d_v71_performance_counters;
+ max = ARRAY_SIZE(v3d_v71_performance_counters);
+ } else if (v3d->ver >= 42) {
+ counters = v3d_v42_performance_counters;
+ max = ARRAY_SIZE(v3d_v42_performance_counters);
+ }
+
+ v3d->perfmon_info.max_counters = max;
+ v3d->perfmon_info.counters = counters;
+}
+
void v3d_perfmon_get(struct v3d_perfmon *perfmon)
{
if (perfmon)
@@ -37,23 +240,24 @@ void v3d_perfmon_start(struct v3d_dev *v3d, struct v3d_perfmon *perfmon)
for (i = 0; i < ncounters; i++) {
u32 source = i / 4;
- u32 channel = V3D_SET_FIELD(perfmon->counters[i], V3D_PCTR_S0);
+ u32 channel = V3D_SET_FIELD_VER(perfmon->counters[i], V3D_PCTR_S0,
+ v3d->ver);
i++;
- channel |= V3D_SET_FIELD(i < ncounters ? perfmon->counters[i] : 0,
- V3D_PCTR_S1);
+ channel |= V3D_SET_FIELD_VER(i < ncounters ? perfmon->counters[i] : 0,
+ V3D_PCTR_S1, v3d->ver);
i++;
- channel |= V3D_SET_FIELD(i < ncounters ? perfmon->counters[i] : 0,
- V3D_PCTR_S2);
+ channel |= V3D_SET_FIELD_VER(i < ncounters ? perfmon->counters[i] : 0,
+ V3D_PCTR_S2, v3d->ver);
i++;
- channel |= V3D_SET_FIELD(i < ncounters ? perfmon->counters[i] : 0,
- V3D_PCTR_S3);
+ channel |= V3D_SET_FIELD_VER(i < ncounters ? perfmon->counters[i] : 0,
+ V3D_PCTR_S3, v3d->ver);
V3D_CORE_WRITE(0, V3D_V4_PCTR_0_SRC_X(source), channel);
}
+ V3D_CORE_WRITE(0, V3D_V4_PCTR_0_EN, mask);
V3D_CORE_WRITE(0, V3D_V4_PCTR_0_CLR, mask);
V3D_CORE_WRITE(0, V3D_PCTR_0_OVERFLOW, mask);
- V3D_CORE_WRITE(0, V3D_V4_PCTR_0_EN, mask);
v3d->active_perfmon = perfmon;
}
@@ -103,6 +307,14 @@ void v3d_perfmon_open_file(struct v3d_file_priv *v3d_priv)
static int v3d_perfmon_idr_del(int id, void *elem, void *data)
{
struct v3d_perfmon *perfmon = elem;
+ struct v3d_dev *v3d = (struct v3d_dev *)data;
+
+ /* If the active perfmon is being destroyed, stop it first */
+ if (perfmon == v3d->active_perfmon)
+ v3d_perfmon_stop(v3d, perfmon, false);
+
+ /* If the global perfmon is being destroyed, set it to NULL */
+ cmpxchg(&v3d->global_perfmon, perfmon, NULL);
v3d_perfmon_put(perfmon);
@@ -111,8 +323,10 @@ static int v3d_perfmon_idr_del(int id, void *elem, void *data)
void v3d_perfmon_close_file(struct v3d_file_priv *v3d_priv)
{
+ struct v3d_dev *v3d = v3d_priv->v3d;
+
mutex_lock(&v3d_priv->perfmon.lock);
- idr_for_each(&v3d_priv->perfmon.idr, v3d_perfmon_idr_del, NULL);
+ idr_for_each(&v3d_priv->perfmon.idr, v3d_perfmon_idr_del, v3d);
idr_destroy(&v3d_priv->perfmon.idr);
mutex_unlock(&v3d_priv->perfmon.lock);
mutex_destroy(&v3d_priv->perfmon.lock);
@@ -123,6 +337,7 @@ int v3d_perfmon_create_ioctl(struct drm_device *dev, void *data,
{
struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
struct drm_v3d_perfmon_create *req = data;
+ struct v3d_dev *v3d = v3d_priv->v3d;
struct v3d_perfmon *perfmon;
unsigned int i;
int ret;
@@ -134,7 +349,7 @@ int v3d_perfmon_create_ioctl(struct drm_device *dev, void *data,
/* Make sure all counters are valid. */
for (i = 0; i < req->ncounters; i++) {
- if (req->counters[i] >= V3D_PERFCNT_NUM)
+ if (req->counters[i] >= v3d->perfmon_info.max_counters)
return -EINVAL;
}
@@ -172,6 +387,7 @@ int v3d_perfmon_destroy_ioctl(struct drm_device *dev, void *data,
{
struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
struct drm_v3d_perfmon_destroy *req = data;
+ struct v3d_dev *v3d = v3d_priv->v3d;
struct v3d_perfmon *perfmon;
mutex_lock(&v3d_priv->perfmon.lock);
@@ -181,6 +397,13 @@ int v3d_perfmon_destroy_ioctl(struct drm_device *dev, void *data,
if (!perfmon)
return -EINVAL;
+ /* If the active perfmon is being destroyed, stop it first */
+ if (perfmon == v3d->active_perfmon)
+ v3d_perfmon_stop(v3d, perfmon, false);
+
+ /* If the global perfmon is being destroyed, set it to NULL */
+ cmpxchg(&v3d->global_perfmon, perfmon, NULL);
+
v3d_perfmon_put(perfmon);
return 0;
@@ -198,11 +421,7 @@ int v3d_perfmon_get_values_ioctl(struct drm_device *dev, void *data,
if (req->pad != 0)
return -EINVAL;
- mutex_lock(&v3d_priv->perfmon.lock);
- perfmon = idr_find(&v3d_priv->perfmon.idr, req->id);
- v3d_perfmon_get(perfmon);
- mutex_unlock(&v3d_priv->perfmon.lock);
-
+ perfmon = v3d_perfmon_find(v3d_priv, req->id);
if (!perfmon)
return -EINVAL;
@@ -216,3 +435,62 @@ int v3d_perfmon_get_values_ioctl(struct drm_device *dev, void *data,
return ret;
}
+
+int v3d_perfmon_get_counter_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_v3d_perfmon_get_counter *req = data;
+ struct v3d_dev *v3d = to_v3d_dev(dev);
+ const struct v3d_perf_counter_desc *counter;
+
+ for (int i = 0; i < ARRAY_SIZE(req->reserved); i++) {
+ if (req->reserved[i] != 0)
+ return -EINVAL;
+ }
+
+ if (!v3d->perfmon_info.max_counters)
+ return -EOPNOTSUPP;
+
+ /* Make sure that the counter ID is valid */
+ if (req->counter >= v3d->perfmon_info.max_counters)
+ return -EINVAL;
+
+ counter = &v3d->perfmon_info.counters[req->counter];
+
+ strscpy(req->name, counter->name, sizeof(req->name));
+ strscpy(req->category, counter->category, sizeof(req->category));
+ strscpy(req->description, counter->description, sizeof(req->description));
+
+ return 0;
+}
+
+int v3d_perfmon_set_global_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct v3d_file_priv *v3d_priv = file_priv->driver_priv;
+ struct drm_v3d_perfmon_set_global *req = data;
+ struct v3d_dev *v3d = to_v3d_dev(dev);
+ struct v3d_perfmon *perfmon;
+
+ if (req->flags & ~DRM_V3D_PERFMON_CLEAR_GLOBAL)
+ return -EINVAL;
+
+ perfmon = v3d_perfmon_find(v3d_priv, req->id);
+ if (!perfmon)
+ return -EINVAL;
+
+ /* If the request is to clear the global performance monitor */
+ if (req->flags & DRM_V3D_PERFMON_CLEAR_GLOBAL) {
+ if (!v3d->global_perfmon)
+ return -EINVAL;
+
+ xchg(&v3d->global_perfmon, NULL);
+
+ return 0;
+ }
+
+ if (cmpxchg(&v3d->global_perfmon, NULL, perfmon))
+ return -EBUSY;
+
+ return 0;
+}
generated by cgit (git 2.34.1) at 2025-03-22 08:50:02 +0000