Commit d54151c5 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915/fbc: Add fbc tracepoints 



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

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191213133453.22152-5-ville.syrjala@linux.intel.com


Reviewed-by: default avatarImre Deak <imre.deak@intel.com>
parent 661d6ec0

drivers/gpu/drm/i915/display/intel_fbc.c

+9 −0
Original line number Diff line number Diff line
@@ -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)

drivers/gpu/drm/i915/i915_trace.h

+62 −0
Original line number Diff line number Diff line
@@ -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,

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