From: Ville Syrjälä Date: Wed, 18 Dec 2024 17:36:49 +0000 (+0200) Subject: drm/i915: Pass the plane state explicitly to tracepoints X-Git-Tag: v6.15-rc1~120^2~16^2~175 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8cebc86c8275417e03945557bc33a4c9fc8e7824;p=thirdparty%2Fkernel%2Flinux.git drm/i915: Pass the plane state explicitly to tracepoints Using the plane->state pointer in the tracepoints is incorrect as technically a different state could already have been swapped in (though in reality that is currently prevented by the stall hacks in the commit machinery). But let's not leave such footguns lying around when we can just pass in the correct state by hand. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20241218173650.19782-4-ville.syrjala@linux.intel.com Reviewed-by: Juha-Pekka Heikkila --- diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c index c558143f4f824..651f81ed85abc 100644 --- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c +++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c @@ -772,7 +772,7 @@ void intel_plane_update_noarm(struct intel_dsb *dsb, { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - trace_intel_plane_update_noarm(plane, crtc); + trace_intel_plane_update_noarm(plane_state, crtc); if (plane->update_noarm) plane->update_noarm(dsb, plane, crtc_state, plane_state); @@ -802,7 +802,7 @@ void intel_plane_update_arm(struct intel_dsb *dsb, return; } - trace_intel_plane_update_arm(plane, crtc); + trace_intel_plane_update_arm(plane_state, crtc); plane->update_arm(dsb, plane, crtc_state, plane_state); } diff --git a/drivers/gpu/drm/i915/display/intel_display_trace.h b/drivers/gpu/drm/i915/display/intel_display_trace.h index 989d6f0f3c42a..4fe65452e5554 100644 --- a/drivers/gpu/drm/i915/display/intel_display_trace.h +++ b/drivers/gpu/drm/i915/display/intel_display_trace.h @@ -21,6 +21,7 @@ #include "intel_vblank.h" #define __dev_name_display(display) dev_name((display)->drm->dev) +#define __dev_name_drm(obj) dev_name((obj)->dev->dev) #define __dev_name_kms(obj) dev_name((obj)->base.dev->dev) /* @@ -403,17 +404,17 @@ TRACE_EVENT(intel_plane_async_flip, ); TRACE_EVENT(intel_plane_update_noarm, - TP_PROTO(struct intel_plane *plane, struct intel_crtc *crtc), - TP_ARGS(plane, crtc), + TP_PROTO(const struct intel_plane_state *plane_state, struct intel_crtc *crtc), + TP_ARGS(plane_state, crtc), TP_STRUCT__entry( - __string(dev, __dev_name_kms(plane)) + __string(dev, __dev_name_drm(plane_state->uapi.plane)) __field(char, pipe_name) __field(u32, frame) __field(u32, scanline) __array(int, src, 4) __array(int, dst, 4) - __string(name, plane->base.name) + __string(name, plane_state->uapi.plane->name) ), TP_fast_assign( @@ -422,8 +423,8 @@ TRACE_EVENT(intel_plane_update_noarm, __entry->pipe_name = pipe_name(crtc->pipe); __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); - memcpy(__entry->src, &plane->base.state->src, sizeof(__entry->src)); - memcpy(__entry->dst, &plane->base.state->dst, sizeof(__entry->dst)); + memcpy(__entry->src, &plane_state->uapi.src, sizeof(__entry->src)); + memcpy(__entry->dst, &plane_state->uapi.dst, sizeof(__entry->dst)); ), TP_printk("dev %s, pipe %c, %s, frame=%u, scanline=%u, " DRM_RECT_FP_FMT " -> " DRM_RECT_FMT, @@ -434,17 +435,17 @@ TRACE_EVENT(intel_plane_update_noarm, ); TRACE_EVENT(intel_plane_update_arm, - TP_PROTO(struct intel_plane *plane, struct intel_crtc *crtc), - TP_ARGS(plane, crtc), + TP_PROTO(const struct intel_plane_state *plane_state, struct intel_crtc *crtc), + TP_ARGS(plane_state, crtc), TP_STRUCT__entry( - __string(dev, __dev_name_kms(plane)) + __string(dev, __dev_name_drm(plane_state->uapi.plane)) __field(char, pipe_name) __field(u32, frame) __field(u32, scanline) __array(int, src, 4) __array(int, dst, 4) - __string(name, plane->base.name) + __string(name, plane_state->uapi.plane->name) ), TP_fast_assign( @@ -453,8 +454,8 @@ TRACE_EVENT(intel_plane_update_arm, __entry->pipe_name = pipe_name(crtc->pipe); __entry->frame = intel_crtc_get_vblank_counter(crtc); __entry->scanline = intel_get_crtc_scanline(crtc); - memcpy(__entry->src, &plane->base.state->src, sizeof(__entry->src)); - memcpy(__entry->dst, &plane->base.state->dst, sizeof(__entry->dst)); + memcpy(__entry->src, &plane_state->uapi.src, sizeof(__entry->src)); + memcpy(__entry->dst, &plane_state->uapi.dst, sizeof(__entry->dst)); ), TP_printk("dev %s, pipe %c, %s, frame=%u, scanline=%u, " DRM_RECT_FP_FMT " -> " DRM_RECT_FMT,