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drm/i915/fbc: Add fbc tracepoints

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Add tracepoints which let us know when fbc activates/deactivates/nukes.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191213133453.22152-5-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
This commit is contained in:
Ville Syrjälä 2019-12-13 15:34:52 +02:00
parent 661d6ec000
commit d54151c5c8
2 changed files with 71 additions and 0 deletions
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9
drivers/gpu/drm/i915/display/intel_fbc.c
View file

@ -41,6 +41,7 @@
#include <drm/drm_fourcc.h>
#include "i915_drv.h"
#include "i915_trace.h"
#include "intel_display_types.h"
#include "intel_fbc.h"
#include "intel_frontbuffer.h"
@ -200,6 +201,10 @@ static bool g4x_fbc_is_active(struct drm_i915_private *dev_priv)
/* This function forces a CFB recompression through the nuke operation. */
static void intel_fbc_recompress(struct drm_i915_private *dev_priv)
{
struct intel_fbc *fbc = &dev_priv->fbc;
trace_intel_fbc_nuke(fbc->crtc);
I915_WRITE(MSG_FBC_REND_STATE, FBC_REND_NUKE);
POSTING_READ(MSG_FBC_REND_STATE);
}
@ -356,6 +361,8 @@ static void intel_fbc_hw_activate(struct drm_i915_private *dev_priv)
{
struct intel_fbc *fbc = &dev_priv->fbc;
trace_intel_fbc_activate(fbc->crtc);
fbc->active = true;
fbc->activated = true;
@ -373,6 +380,8 @@ static void intel_fbc_hw_deactivate(struct drm_i915_private *dev_priv)
{
struct intel_fbc *fbc = &dev_priv->fbc;
trace_intel_fbc_deactivate(fbc->crtc);
fbc->active = false;
if (INTEL_GEN(dev_priv) >= 5)

62
drivers/gpu/drm/i915/i915_trace.h
View file

@ -339,6 +339,68 @@ TRACE_EVENT(intel_disable_plane,
__entry->frame, __entry->scanline)
);
/* fbc */
TRACE_EVENT(intel_fbc_activate,
TP_PROTO(struct intel_crtc *crtc),
TP_ARGS(crtc),
TP_STRUCT__entry(
__field(enum pipe, pipe)
__field(u32, frame)
__field(u32, scanline)
),
TP_fast_assign(
__entry->pipe = crtc->pipe;
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
),
TP_printk("pipe %c, frame=%u, scanline=%u",
pipe_name(__entry->pipe), __entry->frame, __entry->scanline)
);
TRACE_EVENT(intel_fbc_deactivate,
TP_PROTO(struct intel_crtc *crtc),
TP_ARGS(crtc),
TP_STRUCT__entry(
__field(enum pipe, pipe)
__field(u32, frame)
__field(u32, scanline)
),
TP_fast_assign(
__entry->pipe = crtc->pipe;
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
),
TP_printk("pipe %c, frame=%u, scanline=%u",
pipe_name(__entry->pipe), __entry->frame, __entry->scanline)
);
TRACE_EVENT(intel_fbc_nuke,
TP_PROTO(struct intel_crtc *crtc),
TP_ARGS(crtc),
TP_STRUCT__entry(
__field(enum pipe, pipe)
__field(u32, frame)
__field(u32, scanline)
),
TP_fast_assign(
__entry->pipe = crtc->pipe;
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
),
TP_printk("pipe %c, frame=%u, scanline=%u",
pipe_name(__entry->pipe), __entry->frame, __entry->scanline)
);
/* pipe updates */
TRACE_EVENT(intel_pipe_update_start,