[PATCH 4/6] drm/atomic: add new drm_debug bit to dump atomic state before commit
Rob Clark
robdclark at gmail.com
Fri Oct 14 23:55:51 UTC 2016
Signed-off-by: Rob Clark <robdclark at gmail.com>
---
drivers/gpu/drm/drm_atomic.c | 93 ++++++++++++++++++++++++++++++++++++++++++++
include/drm/drmP.h | 1 +
include/drm/drm_crtc.h | 37 ++++++++++++++++++
3 files changed, 131 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 7ebf375..3cc3cb5 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -30,6 +30,7 @@
#include <drm/drm_atomic.h>
#include <drm/drm_mode.h>
#include <drm/drm_plane_helper.h>
+#include <drm/drm_print.h>
#include <linux/sync_file.h>
#include "drm_crtc_internal.h"
@@ -608,6 +609,28 @@ static int drm_atomic_crtc_check(struct drm_crtc *crtc,
return 0;
}
+static void drm_atomic_crtc_print_state(struct drm_print *p,
+ const struct drm_crtc_state *state)
+{
+ struct drm_crtc *crtc = state->crtc;
+
+ drm_printf(p, "crtc[%u]: %s\n", crtc->base.id, crtc->name);
+ drm_printf(p, "\tenable=%d\n", state->enable);
+ drm_printf(p, "\tactive=%d\n", state->active);
+ drm_printf(p, "\tplanes_changed=%d\n", state->planes_changed);
+ drm_printf(p, "\tmode_changed=%d\n", state->mode_changed);
+ drm_printf(p, "\tactive_changed=%d\n", state->active_changed);
+ drm_printf(p, "\tconnectors_changed=%d\n", state->connectors_changed);
+ drm_printf(p, "\tcolor_mgmt_changed=%d\n", state->color_mgmt_changed);
+ drm_printf(p, "\tplane_mask=%x\n", state->plane_mask);
+ drm_printf(p, "\tconnector_mask=%x\n", state->connector_mask);
+ drm_printf(p, "\tencoder_mask=%x\n", state->encoder_mask);
+ drm_printf(p, "\tmode: " DRM_MODE_FMT "\n", DRM_MODE_ARG(&state->mode));
+
+ if (crtc->funcs->atomic_print_state)
+ crtc->funcs->atomic_print_state(p, state);
+}
+
/**
* drm_atomic_get_plane_state - get plane state
* @state: global atomic state object
@@ -895,6 +918,38 @@ static int drm_atomic_plane_check(struct drm_plane *plane,
return 0;
}
+static void drm_atomic_plane_print_state(struct drm_print *p,
+ const struct drm_plane_state *state)
+{
+ struct drm_plane *plane = state->plane;
+ struct drm_rect src = drm_plane_state_src(state);
+ struct drm_rect dest = drm_plane_state_dest(state);
+
+ drm_printf(p, "plane[%u]: %s\n", plane->base.id, plane->name);
+ drm_printf(p, "\tcrtc=%s\n", state->crtc ? state->crtc->name : "(null)");
+ drm_printf(p, "\tfb=%u\n", state->fb ? state->fb->base.id : 0);
+ if (state->fb) {
+ struct drm_framebuffer *fb = state->fb;
+ int i, n = drm_format_num_planes(fb->pixel_format);
+
+ drm_printf(p, "\t\tformat=%s\n",
+ drm_get_format_name(fb->pixel_format));
+ drm_printf(p, "\t\tsize=%dx%d\n", fb->width, fb->height);
+ drm_printf(p, "\t\tlayers:\n");
+ for (i = 0; i < n; i++) {
+ drm_printf(p, "\t\t\tpitch[%d]=%u\n", i, fb->pitches[i]);
+ drm_printf(p, "\t\t\toffset[%d]=%u\n", i, fb->offsets[i]);
+ drm_printf(p, "\t\t\tmodifier[%d]=0x%llx\n", i, fb->modifier[i]);
+ }
+ }
+ drm_printf(p, "\tcrtc-pos=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&dest));
+ drm_printf(p, "\tsrc-pos=" DRM_RECT_FP_FMT "\n", DRM_RECT_FP_ARG(&src));
+ drm_printf(p, "\trotation=%x\n", state->rotation);
+
+ if (plane->funcs->atomic_print_state)
+ plane->funcs->atomic_print_state(p, state);
+}
+
/**
* drm_atomic_get_connector_state - get connector state
* @state: global atomic state object
@@ -1010,6 +1065,18 @@ int drm_atomic_connector_set_property(struct drm_connector *connector,
}
EXPORT_SYMBOL(drm_atomic_connector_set_property);
+static void drm_atomic_connector_print_state(struct drm_print *p,
+ const struct drm_connector_state *state)
+{
+ struct drm_connector *connector = state->connector;
+
+ drm_printf(p, "connector[%u]: %s\n", connector->base.id, connector->name);
+ drm_printf(p, "\tcrtc=%s\n", state->crtc ? state->crtc->name : "(null)");
+
+ if (connector->funcs->atomic_print_state)
+ connector->funcs->atomic_print_state(p, state);
+}
+
/**
* drm_atomic_connector_get_property - get property value from connector state
* @connector: the drm connector to set a property on
@@ -1475,6 +1542,29 @@ int drm_atomic_nonblocking_commit(struct drm_atomic_state *state)
}
EXPORT_SYMBOL(drm_atomic_nonblocking_commit);
+static void drm_atomic_print_state(const struct drm_atomic_state *state)
+{
+ struct drm_print p = drm_print_info();
+ struct drm_plane *plane;
+ struct drm_plane_state *plane_state;
+ struct drm_crtc *crtc;
+ struct drm_crtc_state *crtc_state;
+ struct drm_connector *connector;
+ struct drm_connector_state *connector_state;
+ int i;
+
+ DRM_DEBUG_ATOMIC("checking %p\n", state);
+
+ for_each_plane_in_state(state, plane, plane_state, i)
+ drm_atomic_plane_print_state(&p, plane_state);
+
+ for_each_crtc_in_state(state, crtc, crtc_state, i)
+ drm_atomic_crtc_print_state(&p, crtc_state);
+
+ for_each_connector_in_state(state, connector, connector_state, i)
+ drm_atomic_connector_print_state(&p, connector_state);
+}
+
/*
* The big monstor ioctl
*/
@@ -1987,6 +2077,9 @@ retry:
*/
ret = drm_atomic_check_only(state);
} else {
+ if (unlikely(drm_debug & DRM_UT_STATE))
+ drm_atomic_print_state(state);
+
if (arg->flags & DRM_MODE_ATOMIC_OUT_FENCE)
install_out_fence(state, arg->count_out_fences,
fence_state);
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 7ffaa35..642d5da 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -133,6 +133,7 @@ struct dma_buf_attachment;
#define DRM_UT_PRIME 0x08
#define DRM_UT_ATOMIC 0x10
#define DRM_UT_VBL 0x20
+#define DRM_UT_STATE 0x40
extern __printf(2, 3)
void drm_ut_debug_printk(const char *function_name,
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 856fdf8..d74d47a 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -44,6 +44,7 @@ struct drm_framebuffer;
struct drm_object_properties;
struct drm_file;
struct drm_clip_rect;
+struct drm_print;
struct device_node;
struct fence;
struct edid;
@@ -707,6 +708,18 @@ struct drm_crtc_funcs {
const struct drm_crtc_state *state,
struct drm_property *property,
uint64_t *val);
+
+ /**
+ * @atomic_print_state:
+ *
+ * If driver subclasses struct &drm_crtc_state, it should implement
+ * this optional hook for printing state.
+ *
+ * Do not call this directly, use drm_atomic_crtc_print_state()
+ * instead.
+ */
+ void (*atomic_print_state)(struct drm_print *p,
+ const struct drm_crtc_state *state);
};
/**
@@ -1132,6 +1145,18 @@ struct drm_connector_funcs {
const struct drm_connector_state *state,
struct drm_property *property,
uint64_t *val);
+
+ /**
+ * @atomic_print_state:
+ *
+ * If driver subclasses struct &drm_connector_state, it should
+ * implement this optional hook for printing state.
+ *
+ * Do not call this directly, use drm_atomic_connector_print_state()
+ * instead.
+ */
+ void (*atomic_print_state)(struct drm_print *p,
+ const struct drm_connector_state *state);
};
/**
@@ -1623,6 +1648,18 @@ struct drm_plane_funcs {
const struct drm_plane_state *state,
struct drm_property *property,
uint64_t *val);
+
+ /**
+ * @atomic_print_state:
+ *
+ * If driver subclasses struct &drm_plane_state, it should implement
+ * this optional hook for printing state.
+ *
+ * Do not call this directly, use drm_atomic_plane_print_state()
+ * instead.
+ */
+ void (*atomic_print_state)(struct drm_print *p,
+ const struct drm_plane_state *state);
};
enum drm_plane_type {
--
2.7.4
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