diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2025-06-24 20:00:48 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2025-06-27 15:58:19 +0300 |
| commit | 82458736375a5e7874d623ab3dab196df21b3e3d (patch) | |
| tree | 0350092867dc6a304ac5594b7560a18a1ba2a0d6 | |
| parent | a47828f3e7aaa9339f43c9a919c5b9b12b89d4b4 (diff) | |
drm/i915/flipq: Add intel_flipq_dump()
Add a function for dumping the entries of a specific flip queue.
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250624170049.27284-9-ville.syrjala@linux.intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_flipq.c | 46 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_flipq.h | 2 |
2 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_flipq.c b/drivers/gpu/drm/i915/display/intel_flipq.c index ee69b85cb104..6ab2272ab2df 100644 --- a/drivers/gpu/drm/i915/display/intel_flipq.c +++ b/drivers/gpu/drm/i915/display/intel_flipq.c @@ -205,6 +205,52 @@ static int intel_flipq_exec_time_lines(const struct intel_crtc_state *crtc_state intel_flipq_exec_time_us(display)); } +void intel_flipq_dump(struct intel_crtc *crtc, + enum intel_flipq_id flipq_id) +{ + struct intel_display *display = to_intel_display(crtc); + struct intel_flipq *flipq = &crtc->flipq[flipq_id]; + u32 tmp; + + drm_dbg_kms(display->drm, + "[CRTC:%d:%s] FQ %d @ 0x%x: ", + crtc->base.base.id, crtc->base.name, flipq_id, + flipq->start_mmioaddr); + for (int i = 0 ; i < intel_flipq_size_dw(flipq_id); i++) { + printk(KERN_CONT " 0x%08x", + intel_de_read(display, PIPEDMC_FQ_RAM(flipq->start_mmioaddr, i))); + if (i % intel_flipq_elem_size_dw(flipq_id) == intel_flipq_elem_size_dw(flipq_id) - 1) + printk(KERN_CONT "\n"); + } + + drm_dbg_kms(display->drm, + "[CRTC:%d:%s] FQ %d: chp=0x%x, hp=0x%x\n", + crtc->base.base.id, crtc->base.name, flipq_id, + intel_de_read(display, PIPEDMC_FPQ_CHP(crtc->pipe, flipq_id)), + intel_de_read(display, PIPEDMC_FPQ_HP(crtc->pipe, flipq_id))); + + drm_dbg_kms(display->drm, + "[CRTC:%d:%s] FQ %d: current head %d\n", + crtc->base.base.id, crtc->base.name, flipq_id, + intel_flipq_current_head(crtc, flipq_id)); + + drm_dbg_kms(display->drm, + "[CRTC:%d:%s] flip queue timestamp: 0x%x\n", + crtc->base.base.id, crtc->base.name, + intel_de_read(display, PIPEDMC_FPQ_TS(crtc->pipe))); + + tmp = intel_de_read(display, PIPEDMC_FPQ_ATOMIC_TP(crtc->pipe)); + + drm_dbg_kms(display->drm, + "[CRTC:%d:%s] flip queue atomic tails: P3 %d, P2 %d, P1 %d, G %d, F %d\n", + crtc->base.base.id, crtc->base.name, + REG_FIELD_GET(PIPEDMC_FPQ_PLANEQ_3_TP_MASK, tmp), + REG_FIELD_GET(PIPEDMC_FPQ_PLANEQ_2_TP_MASK, tmp), + REG_FIELD_GET(PIPEDMC_FPQ_PLANEQ_1_TP_MASK, tmp), + REG_FIELD_GET(PIPEDMC_FPQ_GENERALQ_TP_MASK, tmp), + REG_FIELD_GET(PIPEDMC_FPQ_FASTQ_TP_MASK, tmp)); +} + void intel_flipq_reset(struct intel_display *display, enum pipe pipe) { struct intel_crtc *crtc = intel_crtc_for_pipe(display, pipe); diff --git a/drivers/gpu/drm/i915/display/intel_flipq.h b/drivers/gpu/drm/i915/display/intel_flipq.h index 2d4386a16197..012e3e9a6bcb 100644 --- a/drivers/gpu/drm/i915/display/intel_flipq.h +++ b/drivers/gpu/drm/i915/display/intel_flipq.h @@ -31,5 +31,7 @@ void intel_flipq_add(struct intel_crtc *crtc, int intel_flipq_exec_time_us(struct intel_display *display); void intel_flipq_wait_dmc_halt(struct intel_dsb *dsb, struct intel_crtc *crtc); void intel_flipq_unhalt_dmc(struct intel_dsb *dsb, struct intel_crtc *crtc); +void intel_flipq_dump(struct intel_crtc *crtc, + enum intel_flipq_id flip_queue_id); #endif /* __INTEL_FLIPQ_H__ */ |