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path: root/drivers/gpu/drm/xe/xe_tuning.c
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_tuning.c')
-rw-r--r--drivers/gpu/drm/xe/xe_tuning.c84
1 files changed, 68 insertions, 16 deletions
diff --git a/drivers/gpu/drm/xe/xe_tuning.c b/drivers/gpu/drm/xe/xe_tuning.c
index d449de0fb6ec..49ddbda7cdef 100644
--- a/drivers/gpu/drm/xe/xe_tuning.c
+++ b/drivers/gpu/drm/xe/xe_tuning.c
@@ -7,6 +7,8 @@
#include <kunit/visibility.h>
+#include <drm/drm_managed.h>
+
#include "regs/xe_gt_regs.h"
#include "xe_gt_types.h"
#include "xe_platform_types.h"
@@ -83,28 +85,22 @@ static const struct xe_rtp_entry_sr gt_tunings[] = {
XE_RTP_RULES(MEDIA_VERSION(2000)),
XE_RTP_ACTIONS(SET(XE2LPM_SCRATCH3_LBCF, RWFLUSHALLEN))
},
-
- {}
};
static const struct xe_rtp_entry_sr engine_tunings[] = {
+ { XE_RTP_NAME("Tuning: L3 Hashing Mask"),
+ XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, 1210),
+ FUNC(xe_rtp_match_first_render_or_compute)),
+ XE_RTP_ACTIONS(CLR(XELP_GARBCNTL, XELP_BUS_HASH_CTL_BIT_EXC))
+ },
{ XE_RTP_NAME("Tuning: Set Indirect State Override"),
XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, 1274),
ENGINE_CLASS(RENDER)),
XE_RTP_ACTIONS(SET(SAMPLER_MODE, INDIRECT_STATE_BASE_ADDR_OVERRIDE))
},
- {}
};
static const struct xe_rtp_entry_sr lrc_tunings[] = {
- { XE_RTP_NAME("Tuning: ganged timer, also known as 16011163337"),
- XE_RTP_RULES(GRAPHICS_VERSION_RANGE(1200, 1210), ENGINE_CLASS(RENDER)),
- /* read verification is ignored due to 1608008084. */
- XE_RTP_ACTIONS(FIELD_SET_NO_READ_MASK(FF_MODE2,
- FF_MODE2_GS_TIMER_MASK,
- FF_MODE2_GS_TIMER_224))
- },
-
/* DG2 */
{ XE_RTP_NAME("Tuning: L3 cache"),
@@ -139,15 +135,47 @@ static const struct xe_rtp_entry_sr lrc_tunings[] = {
XE_RTP_ACTIONS(FIELD_SET(FF_MODE, VS_HIT_MAX_VALUE_MASK,
REG_FIELD_PREP(VS_HIT_MAX_VALUE_MASK, 0x3f)))
},
-
- {}
};
+/**
+ * xe_tuning_init - initialize gt with tunings bookkeeping
+ * @gt: GT instance to initialize
+ *
+ * Returns 0 for success, negative error code otherwise.
+ */
+int xe_tuning_init(struct xe_gt *gt)
+{
+ struct xe_device *xe = gt_to_xe(gt);
+ size_t n_lrc, n_engine, n_gt, total;
+ unsigned long *p;
+
+ n_gt = BITS_TO_LONGS(ARRAY_SIZE(gt_tunings));
+ n_engine = BITS_TO_LONGS(ARRAY_SIZE(engine_tunings));
+ n_lrc = BITS_TO_LONGS(ARRAY_SIZE(lrc_tunings));
+ total = n_gt + n_engine + n_lrc;
+
+ p = drmm_kzalloc(&xe->drm, sizeof(*p) * total, GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+
+ gt->tuning_active.gt = p;
+ p += n_gt;
+ gt->tuning_active.engine = p;
+ p += n_engine;
+ gt->tuning_active.lrc = p;
+
+ return 0;
+}
+ALLOW_ERROR_INJECTION(xe_tuning_init, ERRNO); /* See xe_pci_probe() */
+
void xe_tuning_process_gt(struct xe_gt *gt)
{
struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(gt);
- xe_rtp_process_to_sr(&ctx, gt_tunings, &gt->reg_sr);
+ xe_rtp_process_ctx_enable_active_tracking(&ctx,
+ gt->tuning_active.gt,
+ ARRAY_SIZE(gt_tunings));
+ xe_rtp_process_to_sr(&ctx, gt_tunings, ARRAY_SIZE(gt_tunings), &gt->reg_sr);
}
EXPORT_SYMBOL_IF_KUNIT(xe_tuning_process_gt);
@@ -155,7 +183,11 @@ void xe_tuning_process_engine(struct xe_hw_engine *hwe)
{
struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(hwe);
- xe_rtp_process_to_sr(&ctx, engine_tunings, &hwe->reg_sr);
+ xe_rtp_process_ctx_enable_active_tracking(&ctx,
+ hwe->gt->tuning_active.engine,
+ ARRAY_SIZE(engine_tunings));
+ xe_rtp_process_to_sr(&ctx, engine_tunings, ARRAY_SIZE(engine_tunings),
+ &hwe->reg_sr);
}
EXPORT_SYMBOL_IF_KUNIT(xe_tuning_process_engine);
@@ -171,5 +203,25 @@ void xe_tuning_process_lrc(struct xe_hw_engine *hwe)
{
struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(hwe);
- xe_rtp_process_to_sr(&ctx, lrc_tunings, &hwe->reg_lrc);
+ xe_rtp_process_ctx_enable_active_tracking(&ctx,
+ hwe->gt->tuning_active.lrc,
+ ARRAY_SIZE(lrc_tunings));
+ xe_rtp_process_to_sr(&ctx, lrc_tunings, ARRAY_SIZE(lrc_tunings), &hwe->reg_lrc);
+}
+
+void xe_tuning_dump(struct xe_gt *gt, struct drm_printer *p)
+{
+ size_t idx;
+
+ drm_printf(p, "GT Tunings\n");
+ for_each_set_bit(idx, gt->tuning_active.gt, ARRAY_SIZE(gt_tunings))
+ drm_printf_indent(p, 1, "%s\n", gt_tunings[idx].name);
+
+ drm_printf(p, "\nEngine Tunings\n");
+ for_each_set_bit(idx, gt->tuning_active.engine, ARRAY_SIZE(engine_tunings))
+ drm_printf_indent(p, 1, "%s\n", engine_tunings[idx].name);
+
+ drm_printf(p, "\nLRC Tunings\n");
+ for_each_set_bit(idx, gt->tuning_active.lrc, ARRAY_SIZE(lrc_tunings))
+ drm_printf_indent(p, 1, "%s\n", lrc_tunings[idx].name);
}