From: Ville Syrjälä <ville.syrj...@linux.intel.com>

DRM_DEBUG_ATOMIC generates a lot of noise that no one normally cares
about. However error paths everyone cares about, so hiding thea error
debugs under DRM_DEBUG_ATOMIC is a bad idea. Let's use DRM_DEBUG_KMS
for those instead.

v2: Rebase and handle a few new cases

Cc: Jani Nikula <jani.nik...@intel.com>
Reviewed-by: Jani Nikula <jani.nik...@intel.com> #v1
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/gpu/drm/drm_atomic.c        | 64 ++++++++++++++++-----------------
 drivers/gpu/drm/drm_atomic_helper.c | 70 ++++++++++++++++++-------------------
 2 files changed, 66 insertions(+), 68 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 37445d50816a..594bdd5c33cb 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -572,8 +572,8 @@ static int drm_atomic_crtc_check(struct drm_crtc *crtc,
         */
 
        if (state->active && !state->enable) {
-               DRM_DEBUG_ATOMIC("[CRTC:%d:%s] active without enabled\n",
-                                crtc->base.id, crtc->name);
+               DRM_DEBUG_KMS("[CRTC:%d:%s] active without enabled\n",
+                             crtc->base.id, crtc->name);
                return -EINVAL;
        }
 
@@ -582,15 +582,15 @@ static int drm_atomic_crtc_check(struct drm_crtc *crtc,
         * be able to trigger. */
        if (drm_core_check_feature(crtc->dev, DRIVER_ATOMIC) &&
            WARN_ON(state->enable && !state->mode_blob)) {
-               DRM_DEBUG_ATOMIC("[CRTC:%d:%s] enabled without mode blob\n",
-                                crtc->base.id, crtc->name);
+               DRM_DEBUG_KMS("[CRTC:%d:%s] enabled without mode blob\n",
+                             crtc->base.id, crtc->name);
                return -EINVAL;
        }
 
        if (drm_core_check_feature(crtc->dev, DRIVER_ATOMIC) &&
            WARN_ON(!state->enable && state->mode_blob)) {
-               DRM_DEBUG_ATOMIC("[CRTC:%d:%s] disabled with mode blob\n",
-                                crtc->base.id, crtc->name);
+               DRM_DEBUG_KMS("[CRTC:%d:%s] disabled with mode blob\n",
+                             crtc->base.id, crtc->name);
                return -EINVAL;
        }
 
@@ -605,8 +605,8 @@ static int drm_atomic_crtc_check(struct drm_crtc *crtc,
         * pipe.
         */
        if (state->event && !state->active && !crtc->state->active) {
-               DRM_DEBUG_ATOMIC("[CRTC:%d:%s] requesting event but off\n",
-                                crtc->base.id, crtc->name);
+               DRM_DEBUG_KMS("[CRTC:%d:%s] requesting event but off\n",
+                             crtc->base.id, crtc->name);
                return -EINVAL;
        }
 
@@ -861,10 +861,10 @@ static int drm_atomic_plane_check(struct drm_plane *plane,
 
        /* either *both* CRTC and FB must be set, or neither */
        if (WARN_ON(state->crtc && !state->fb)) {
-               DRM_DEBUG_ATOMIC("CRTC set but no FB\n");
+               DRM_DEBUG_KMS("CRTC set but no FB\n");
                return -EINVAL;
        } else if (WARN_ON(state->fb && !state->crtc)) {
-               DRM_DEBUG_ATOMIC("FB set but no CRTC\n");
+               DRM_DEBUG_KMS("FB set but no CRTC\n");
                return -EINVAL;
        }
 
@@ -874,7 +874,7 @@ 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_KMS("Invalid crtc for plane\n");
                return -EINVAL;
        }
 
@@ -882,9 +882,9 @@ static int drm_atomic_plane_check(struct drm_plane *plane,
        ret = drm_plane_check_pixel_format(plane, state->fb->format->format);
        if (ret) {
                struct drm_format_name_buf format_name;
-               DRM_DEBUG_ATOMIC("Invalid pixel format %s\n",
-                                drm_get_format_name(state->fb->format->format,
-                                                    &format_name));
+               DRM_DEBUG_KMS("Invalid pixel format %s\n",
+                             drm_get_format_name(state->fb->format->format,
+                                                 &format_name));
                return ret;
        }
 
@@ -893,9 +893,9 @@ 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",
-                                state->crtc_w, state->crtc_h,
-                                state->crtc_x, state->crtc_y);
+               DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
+                             state->crtc_w, state->crtc_h,
+                             state->crtc_x, state->crtc_y);
                return -ERANGE;
        }
 
@@ -907,19 +907,19 @@ 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 "
-                                "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n",
-                                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,
-                                state->src_y >> 16, ((state->src_y & 0xffff) * 
15625) >> 10,
-                                state->fb->width, state->fb->height);
+               DRM_DEBUG_KMS("Invalid source coordinates "
+                             "%u.%06ux%u.%06u+%u.%06u+%u.%06u (fb %ux%u)\n",
+                             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,
+                             state->src_y >> 16, ((state->src_y & 0xffff) * 
15625) >> 10,
+                             state->fb->width, state->fb->height);
                return -ENOSPC;
        }
 
        if (plane_switching_crtc(state->state, plane, state)) {
-               DRM_DEBUG_ATOMIC("[PLANE:%d:%s] switching CRTC directly\n",
-                                plane->base.id, plane->name);
+               DRM_DEBUG_KMS("[PLANE:%d:%s] switching CRTC directly\n",
+                             plane->base.id, plane->name);
                return -EINVAL;
        }
 
@@ -1596,8 +1596,8 @@ int drm_atomic_check_only(struct drm_atomic_state *state)
        for_each_new_plane_in_state(state, plane, plane_state, i) {
                ret = drm_atomic_plane_check(plane, plane_state);
                if (ret) {
-                       DRM_DEBUG_ATOMIC("[PLANE:%d:%s] atomic core check 
failed\n",
-                                        plane->base.id, plane->name);
+                       DRM_DEBUG_KMS("[PLANE:%d:%s] atomic core check 
failed\n",
+                                     plane->base.id, plane->name);
                        return ret;
                }
        }
@@ -1605,8 +1605,8 @@ int drm_atomic_check_only(struct drm_atomic_state *state)
        for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
                ret = drm_atomic_crtc_check(crtc, crtc_state);
                if (ret) {
-                       DRM_DEBUG_ATOMIC("[CRTC:%d:%s] atomic core check 
failed\n",
-                                        crtc->base.id, crtc->name);
+                       DRM_DEBUG_KMS("[CRTC:%d:%s] atomic core check failed\n",
+                                     crtc->base.id, crtc->name);
                        return ret;
                }
        }
@@ -1620,8 +1620,8 @@ int drm_atomic_check_only(struct drm_atomic_state *state)
        if (!state->allow_modeset) {
                for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
                        if (drm_atomic_crtc_needs_modeset(crtc_state)) {
-                               DRM_DEBUG_ATOMIC("[CRTC:%d:%s] requires full 
modeset\n",
-                                                crtc->base.id, crtc->name);
+                               DRM_DEBUG_KMS("[CRTC:%d:%s] requires full 
modeset\n",
+                                             crtc->base.id, crtc->name);
                                return -EINVAL;
                        }
                }
diff --git a/drivers/gpu/drm/drm_atomic_helper.c 
b/drivers/gpu/drm/drm_atomic_helper.c
index ced1ac8e68a0..8625b181f6b6 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -121,9 +121,9 @@ static int handle_conflicting_encoders(struct 
drm_atomic_state *state,
 
                if (new_encoder) {
                        if (encoder_mask & (1 << 
drm_encoder_index(new_encoder))) {
-                               DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] on 
[CONNECTOR:%d:%s] already assigned\n",
-                                       new_encoder->base.id, new_encoder->name,
-                                       connector->base.id, connector->name);
+                               DRM_DEBUG_KMS("[ENCODER:%d:%s] on 
[CONNECTOR:%d:%s] already assigned\n",
+                                             new_encoder->base.id, 
new_encoder->name,
+                                             connector->base.id, 
connector->name);
 
                                return -EINVAL;
                        }
@@ -158,11 +158,11 @@ static int handle_conflicting_encoders(struct 
drm_atomic_state *state,
                        continue;
 
                if (!disable_conflicting_encoders) {
-                       DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] in use on 
[CRTC:%d:%s] by [CONNECTOR:%d:%s]\n",
-                                        encoder->base.id, encoder->name,
-                                        connector->state->crtc->base.id,
-                                        connector->state->crtc->name,
-                                        connector->base.id, connector->name);
+                       DRM_DEBUG_KMS("[ENCODER:%d:%s] in use on [CRTC:%d:%s] 
by [CONNECTOR:%d:%s]\n",
+                                     encoder->base.id, encoder->name,
+                                     connector->state->crtc->base.id,
+                                     connector->state->crtc->name,
+                                     connector->base.id, connector->name);
                        ret = -EINVAL;
                        goto out;
                }
@@ -317,18 +317,16 @@ update_connector_routing(struct drm_atomic_state *state,
                new_encoder = drm_atomic_helper_best_encoder(connector);
 
        if (!new_encoder) {
-               DRM_DEBUG_ATOMIC("No suitable encoder found for 
[CONNECTOR:%d:%s]\n",
-                                connector->base.id,
-                                connector->name);
+               DRM_DEBUG_KMS("No suitable encoder found for 
[CONNECTOR:%d:%s]\n",
+                             connector->base.id, connector->name);
                return -EINVAL;
        }
 
        if (!drm_encoder_crtc_ok(new_encoder, new_connector_state->crtc)) {
-               DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] incompatible with 
[CRTC:%d:%s]\n",
-                                new_encoder->base.id,
-                                new_encoder->name,
-                                new_connector_state->crtc->base.id,
-                                new_connector_state->crtc->name);
+               DRM_DEBUG_KMS("[ENCODER:%d:%s] incompatible with 
[CRTC:%d:%s]\n",
+                             new_encoder->base.id, new_encoder->name,
+                             new_connector_state->crtc->base.id,
+                             new_connector_state->crtc->name);
                return -EINVAL;
        }
 
@@ -404,7 +402,7 @@ mode_fixup(struct drm_atomic_state *state)
                ret = drm_bridge_mode_fixup(encoder->bridge, 
&new_crtc_state->mode,
                                &new_crtc_state->adjusted_mode);
                if (!ret) {
-                       DRM_DEBUG_ATOMIC("Bridge fixup failed\n");
+                       DRM_DEBUG_KMS("Bridge fixup failed\n");
                        return -EINVAL;
                }
 
@@ -412,16 +410,16 @@ mode_fixup(struct drm_atomic_state *state)
                        ret = funcs->atomic_check(encoder, new_crtc_state,
                                                  new_conn_state);
                        if (ret) {
-                               DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] check 
failed\n",
-                                                encoder->base.id, 
encoder->name);
+                               DRM_DEBUG_KMS("[ENCODER:%d:%s] check failed\n",
+                                             encoder->base.id, encoder->name);
                                return ret;
                        }
                } else if (funcs && funcs->mode_fixup) {
                        ret = funcs->mode_fixup(encoder, &new_crtc_state->mode,
                                                &new_crtc_state->adjusted_mode);
                        if (!ret) {
-                               DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] fixup 
failed\n",
-                                                encoder->base.id, 
encoder->name);
+                               DRM_DEBUG_KMS("[ENCODER:%d:%s] fixup failed\n",
+                                             encoder->base.id, encoder->name);
                                return -EINVAL;
                        }
                }
@@ -444,8 +442,8 @@ mode_fixup(struct drm_atomic_state *state)
                ret = funcs->mode_fixup(crtc, &new_crtc_state->mode,
                                        &new_crtc_state->adjusted_mode);
                if (!ret) {
-                       DRM_DEBUG_ATOMIC("[CRTC:%d:%s] fixup failed\n",
-                                        crtc->base.id, crtc->name);
+                       DRM_DEBUG_KMS("[CRTC:%d:%s] fixup failed\n",
+                                     crtc->base.id, crtc->name);
                        return -EINVAL;
                }
        }
@@ -462,21 +460,21 @@ static enum drm_mode_status mode_valid_path(struct 
drm_connector *connector,
 
        ret = drm_encoder_mode_valid(encoder, mode);
        if (ret != MODE_OK) {
-               DRM_DEBUG_ATOMIC("[ENCODER:%d:%s] mode_valid() failed\n",
-                               encoder->base.id, encoder->name);
+               DRM_DEBUG_KMS("[ENCODER:%d:%s] mode_valid() failed\n",
+                             encoder->base.id, encoder->name);
                return ret;
        }
 
        ret = drm_bridge_mode_valid(encoder->bridge, mode);
        if (ret != MODE_OK) {
-               DRM_DEBUG_ATOMIC("[BRIDGE] mode_valid() failed\n");
+               DRM_DEBUG_KMS("[BRIDGE] mode_valid() failed\n");
                return ret;
        }
 
        ret = drm_crtc_mode_valid(crtc, mode);
        if (ret != MODE_OK) {
-               DRM_DEBUG_ATOMIC("[CRTC:%d:%s] mode_valid() failed\n",
-                               crtc->base.id, crtc->name);
+               DRM_DEBUG_KMS("[CRTC:%d:%s] mode_valid() failed\n",
+                             crtc->base.id, crtc->name);
                return ret;
        }
 
@@ -605,8 +603,8 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
                }
 
                if (new_crtc_state->enable != has_connectors) {
-                       DRM_DEBUG_ATOMIC("[CRTC:%d:%s] enabled/connectors 
mismatch\n",
-                                        crtc->base.id, crtc->name);
+                       DRM_DEBUG_KMS("[CRTC:%d:%s] enabled/connectors 
mismatch\n",
+                                     crtc->base.id, crtc->name);
 
                        return -EINVAL;
                }
@@ -735,8 +733,8 @@ drm_atomic_helper_check_planes(struct drm_device *dev,
 
                ret = funcs->atomic_check(plane, new_plane_state);
                if (ret) {
-                       DRM_DEBUG_ATOMIC("[PLANE:%d:%s] atomic driver check 
failed\n",
-                                        plane->base.id, plane->name);
+                       DRM_DEBUG_KMS("[PLANE:%d:%s] atomic driver check 
failed\n",
+                                     plane->base.id, plane->name);
                        return ret;
                }
        }
@@ -751,8 +749,8 @@ drm_atomic_helper_check_planes(struct drm_device *dev,
 
                ret = funcs->atomic_check(crtc, new_crtc_state);
                if (ret) {
-                       DRM_DEBUG_ATOMIC("[CRTC:%d:%s] atomic driver check 
failed\n",
-                                        crtc->base.id, crtc->name);
+                       DRM_DEBUG_KMS("[CRTC:%d:%s] atomic driver check 
failed\n",
+                                     crtc->base.id, crtc->name);
                        return ret;
                }
        }
@@ -3098,8 +3096,8 @@ static int page_flip_common(struct drm_atomic_state 
*state,
        /* Make sure we don't accidentally do a full modeset. */
        state->allow_modeset = false;
        if (!crtc_state->active) {
-               DRM_DEBUG_ATOMIC("[CRTC:%d:%s] disabled, rejecting legacy 
flip\n",
-                                crtc->base.id, crtc->name);
+               DRM_DEBUG_KMS("[CRTC:%d:%s] disabled, rejecting legacy flip\n",
+                             crtc->base.id, crtc->name);
                return -EINVAL;
        }
 
-- 
2.13.6

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