From b6f690ab237d801cbf881be4bc164062727053fd Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Mon, 11 Jun 2018 22:34:01 +0300 Subject: drm/atomic: Improve debug messages MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Print the id/name of the object we're dealing with. Makes it easier to figure out what's going on. Also toss in a few extra debug prints that might be useful. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20180611193403.16118-1-ville.syrjala@linux.intel.com Reviewed-by: Harry Wentland --- drivers/gpu/drm/drm_atomic.c | 88 ++++++++++++++++++++++++++++++-------------- 1 file changed, 61 insertions(+), 27 deletions(-) (limited to 'drivers/gpu/drm/drm_atomic.c') diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 11059d556dbd..0ae280aaa124 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -331,6 +331,7 @@ static s32 __user *get_out_fence_for_crtc(struct drm_atomic_state *state, int drm_atomic_set_mode_for_crtc(struct drm_crtc_state *state, const struct drm_display_mode *mode) { + struct drm_crtc *crtc = state->crtc; struct drm_mode_modeinfo umode; /* Early return for no change. */ @@ -351,13 +352,13 @@ int drm_atomic_set_mode_for_crtc(struct drm_crtc_state *state, drm_mode_copy(&state->mode, mode); state->enable = true; - DRM_DEBUG_ATOMIC("Set [MODE:%s] for CRTC state %p\n", - mode->name, state); + DRM_DEBUG_ATOMIC("Set [MODE:%s] for [CRTC:%d:%s] state %p\n", + mode->name, crtc->base.id, crtc->name, state); } else { memset(&state->mode, 0, sizeof(state->mode)); state->enable = false; - DRM_DEBUG_ATOMIC("Set [NOMODE] for CRTC state %p\n", - state); + DRM_DEBUG_ATOMIC("Set [NOMODE] for [CRTC:%d:%s] state %p\n", + crtc->base.id, crtc->name, state); } return 0; @@ -380,6 +381,8 @@ EXPORT_SYMBOL(drm_atomic_set_mode_for_crtc); int drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state, struct drm_property_blob *blob) { + struct drm_crtc *crtc = state->crtc; + if (blob == state->mode_blob) return 0; @@ -396,12 +399,13 @@ int drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state, state->mode_blob = drm_property_blob_get(blob); state->enable = true; - DRM_DEBUG_ATOMIC("Set [MODE:%s] for CRTC state %p\n", - state->mode.name, state); + DRM_DEBUG_ATOMIC("Set [MODE:%s] for [CRTC:%d:%s] state %p\n", + state->mode.name, crtc->base.id, crtc->name, + state); } else { state->enable = false; - DRM_DEBUG_ATOMIC("Set [NOMODE] for CRTC state %p\n", - state); + DRM_DEBUG_ATOMIC("Set [NOMODE] for [CRTC:%d:%s] state %p\n", + crtc->base.id, crtc->name, state); } return 0; @@ -531,10 +535,14 @@ int drm_atomic_crtc_set_property(struct drm_crtc *crtc, return -EFAULT; set_out_fence_for_crtc(state->state, crtc, fence_ptr); - } else if (crtc->funcs->atomic_set_property) + } else if (crtc->funcs->atomic_set_property) { return crtc->funcs->atomic_set_property(crtc, state, property, val); - else + } else { + DRM_DEBUG_ATOMIC("[CRTC:%d:%s] unknown property [PROP:%d:%s]]\n", + crtc->base.id, crtc->name, + property->base.id, property->name); return -EINVAL; + } return 0; } @@ -791,8 +799,11 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, } else if (property == plane->alpha_property) { state->alpha = val; } else if (property == plane->rotation_property) { - if (!is_power_of_2(val & DRM_MODE_ROTATE_MASK)) + if (!is_power_of_2(val & DRM_MODE_ROTATE_MASK)) { + DRM_DEBUG_ATOMIC("[PLANE:%d:%s] bad rotation bitmask: 0x%llx\n", + plane->base.id, plane->name, val); return -EINVAL; + } state->rotation = val; } else if (property == plane->zpos_property) { state->zpos = val; @@ -804,6 +815,9 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane, return plane->funcs->atomic_set_property(plane, state, property, val); } else { + DRM_DEBUG_ATOMIC("[PLANE:%d:%s] unknown property [PROP:%d:%s]]\n", + plane->base.id, plane->name, + property->base.id, property->name); return -EINVAL; } @@ -911,10 +925,12 @@ static int drm_atomic_plane_check(struct drm_plane *plane, /* either *both* CRTC and FB must be set, or neither */ if (state->crtc && !state->fb) { - DRM_DEBUG_ATOMIC("CRTC set but no FB\n"); + DRM_DEBUG_ATOMIC("[PLANE:%d:%s] CRTC set but no FB\n", + plane->base.id, plane->name); return -EINVAL; } else if (state->fb && !state->crtc) { - DRM_DEBUG_ATOMIC("FB set but no CRTC\n"); + DRM_DEBUG_ATOMIC("[PLANE:%d:%s] FB set but no CRTC\n", + plane->base.id, plane->name); return -EINVAL; } @@ -924,7 +940,9 @@ static int drm_atomic_plane_check(struct drm_plane *plane, /* Check whether this plane is usable on this CRTC */ if (!(plane->possible_crtcs & drm_crtc_mask(state->crtc))) { - DRM_DEBUG_ATOMIC("Invalid crtc for plane\n"); + DRM_DEBUG_ATOMIC("Invalid [CRTC:%d:%s] for [PLANE:%d:%s]\n", + state->crtc->base.id, state->crtc->name, + plane->base.id, plane->name); return -EINVAL; } @@ -933,7 +951,8 @@ static int drm_atomic_plane_check(struct drm_plane *plane, state->fb->modifier); if (ret) { struct drm_format_name_buf format_name; - DRM_DEBUG_ATOMIC("Invalid pixel format %s, modifier 0x%llx\n", + DRM_DEBUG_ATOMIC("[PLANE:%d:%s] invalid pixel format %s, modifier 0x%llx\n", + plane->base.id, plane->name, drm_get_format_name(state->fb->format->format, &format_name), state->fb->modifier); @@ -945,7 +964,8 @@ static int drm_atomic_plane_check(struct drm_plane *plane, state->crtc_x > INT_MAX - (int32_t) state->crtc_w || state->crtc_h > INT_MAX || state->crtc_y > INT_MAX - (int32_t) state->crtc_h) { - DRM_DEBUG_ATOMIC("Invalid CRTC coordinates %ux%u+%d+%d\n", + DRM_DEBUG_ATOMIC("[PLANE:%d:%s] invalid CRTC coordinates %ux%u+%d+%d\n", + plane->base.id, plane->name, state->crtc_w, state->crtc_h, state->crtc_x, state->crtc_y); return -ERANGE; @@ -959,8 +979,9 @@ static int drm_atomic_plane_check(struct drm_plane *plane, state->src_x > fb_width - state->src_w || state->src_h > fb_height || state->src_y > fb_height - state->src_h) { - DRM_DEBUG_ATOMIC("Invalid source coordinates " + DRM_DEBUG_ATOMIC("[PLANE:%d:%s] invalid source coordinates " "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n", + plane->base.id, plane->name, state->src_w >> 16, ((state->src_w & 0xffff) * 15625) >> 10, state->src_h >> 16, ((state->src_h & 0xffff) * 15625) >> 10, state->src_x >> 16, ((state->src_x & 0xffff) * 15625) >> 10, @@ -1289,6 +1310,9 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector, return connector->funcs->atomic_set_property(connector, state, property, val); } else { + DRM_DEBUG_ATOMIC("[CONNECTOR:%d:%s] unknown property [PROP:%d:%s]]\n", + connector->base.id, connector->name, + property->base.id, property->name); return -EINVAL; } @@ -1457,11 +1481,12 @@ drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state, } if (crtc) - DRM_DEBUG_ATOMIC("Link plane state %p to [CRTC:%d:%s]\n", - plane_state, crtc->base.id, crtc->name); + DRM_DEBUG_ATOMIC("Link [PLANE:%d:%s] state %p to [CRTC:%d:%s]\n", + plane->base.id, plane->name, plane_state, + crtc->base.id, crtc->name); else - DRM_DEBUG_ATOMIC("Link plane state %p to [NOCRTC]\n", - plane_state); + DRM_DEBUG_ATOMIC("Link [PLANE:%d:%s] state %p to [NOCRTC]\n", + plane->base.id, plane->name, plane_state); return 0; } @@ -1481,12 +1506,15 @@ void drm_atomic_set_fb_for_plane(struct drm_plane_state *plane_state, struct drm_framebuffer *fb) { + struct drm_plane *plane = plane_state->plane; + if (fb) - DRM_DEBUG_ATOMIC("Set [FB:%d] for plane state %p\n", - fb->base.id, plane_state); - else - DRM_DEBUG_ATOMIC("Set [NOFB] for plane state %p\n", + DRM_DEBUG_ATOMIC("Set [FB:%d] for [PLANE:%d:%s] state %p\n", + fb->base.id, plane->base.id, plane->name, plane_state); + else + DRM_DEBUG_ATOMIC("Set [NOFB] for [PLANE:%d:%s] state %p\n", + plane->base.id, plane->name, plane_state); drm_framebuffer_assign(&plane_state->fb, fb); } @@ -1547,6 +1575,7 @@ int drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state, struct drm_crtc *crtc) { + struct drm_connector *connector = conn_state->connector; struct drm_crtc_state *crtc_state; if (conn_state->crtc == crtc) @@ -1574,10 +1603,12 @@ drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state, drm_connector_get(conn_state->connector); conn_state->crtc = crtc; - DRM_DEBUG_ATOMIC("Link connector state %p to [CRTC:%d:%s]\n", + DRM_DEBUG_ATOMIC("Link [CONNECTOR:%d:%s] state %p to [CRTC:%d:%s]\n", + connector->base.id, connector->name, conn_state, crtc->base.id, crtc->name); } else { - DRM_DEBUG_ATOMIC("Link connector state %p to [NOCRTC]\n", + DRM_DEBUG_ATOMIC("Link [CONNECTOR:%d:%s] state %p to [NOCRTC]\n", + connector->base.id, connector->name, conn_state); } @@ -1673,6 +1704,9 @@ drm_atomic_add_affected_planes(struct drm_atomic_state *state, WARN_ON(!drm_atomic_get_new_crtc_state(state, crtc)); + DRM_DEBUG_ATOMIC("Adding all current planes for [CRTC:%d:%s] to %p\n", + crtc->base.id, crtc->name, state); + drm_for_each_plane_mask(plane, state->dev, crtc->state->plane_mask) { struct drm_plane_state *plane_state = drm_atomic_get_plane_state(state, plane); 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