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authorShirish S <shirish.s@amd.com>2021-11-09 10:41:26 +0530
committerAlex Deucher <alexander.deucher@amd.com>2021-11-17 16:58:11 -0500
commit68ca1c3e57c40a205de9d31518fd1dab5f47f520 (patch)
tree97d94202b827eb5c7d444fa60bf2395968b2a8b7 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
parentd493a0244fce12de22a220468e6628bb008a0e58 (diff)
downloadlwn-68ca1c3e57c40a205de9d31518fd1dab5f47f520.tar.gz
lwn-68ca1c3e57c40a205de9d31518fd1dab5f47f520.zip
drm/amd/display: log amdgpu_dm_atomic_check() failure cause
update developers with next level of info about unsupported display configuration query that led to atomic check failure. Signed-off-by: Shirish S <shirish.s@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c69
1 files changed, 51 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 06cf674026bf..371659367305 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -10757,8 +10757,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
trace_amdgpu_dm_atomic_check_begin(state);
ret = drm_atomic_helper_check_modeset(dev, state);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("drm_atomic_helper_check_modeset() failed\n");
goto fail;
+ }
/* Check connector changes */
for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
@@ -10774,6 +10776,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
new_crtc_state = drm_atomic_get_crtc_state(state, new_con_state->crtc);
if (IS_ERR(new_crtc_state)) {
+ DRM_DEBUG_DRIVER("drm_atomic_get_crtc_state() failed\n");
ret = PTR_ERR(new_crtc_state);
goto fail;
}
@@ -10788,8 +10791,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
if (drm_atomic_crtc_needs_modeset(new_crtc_state)) {
ret = add_affected_mst_dsc_crtcs(state, crtc);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("add_affected_mst_dsc_crtcs() failed\n");
goto fail;
+ }
}
}
}
@@ -10804,19 +10809,25 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
continue;
ret = amdgpu_dm_verify_lut_sizes(new_crtc_state);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("amdgpu_dm_verify_lut_sizes() failed\n");
goto fail;
+ }
if (!new_crtc_state->enable)
continue;
ret = drm_atomic_add_affected_connectors(state, crtc);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("drm_atomic_add_affected_connectors() failed\n");
goto fail;
+ }
ret = drm_atomic_add_affected_planes(state, crtc);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("drm_atomic_add_affected_planes() failed\n");
goto fail;
+ }
if (dm_old_crtc_state->dsc_force_changed)
new_crtc_state->mode_changed = true;
@@ -10853,6 +10864,7 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
if (IS_ERR(new_plane_state)) {
ret = PTR_ERR(new_plane_state);
+ DRM_DEBUG_DRIVER("new_plane_state is BAD\n");
goto fail;
}
}
@@ -10865,8 +10877,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
new_plane_state,
false,
&lock_and_validation_needed);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("dm_update_plane_state() failed\n");
goto fail;
+ }
}
/* Disable all crtcs which require disable */
@@ -10876,8 +10890,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
new_crtc_state,
false,
&lock_and_validation_needed);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("DISABLE: dm_update_crtc_state() failed\n");
goto fail;
+ }
}
/* Enable all crtcs which require enable */
@@ -10887,8 +10903,10 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
new_crtc_state,
true,
&lock_and_validation_needed);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("ENABLE: dm_update_crtc_state() failed\n");
goto fail;
+ }
}
/* Add new/modified planes */
@@ -10898,20 +10916,26 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
new_plane_state,
true,
&lock_and_validation_needed);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("dm_update_plane_state() failed\n");
goto fail;
+ }
}
/* Run this here since we want to validate the streams we created */
ret = drm_atomic_helper_check_planes(dev, state);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("drm_atomic_helper_check_planes() failed\n");
goto fail;
+ }
/* Check cursor planes scaling */
for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
ret = dm_check_crtc_cursor(state, crtc, new_crtc_state);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("dm_check_crtc_cursor() failed\n");
goto fail;
+ }
}
if (state->legacy_cursor_update) {
@@ -10998,20 +11022,28 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
*/
if (lock_and_validation_needed) {
ret = dm_atomic_get_state(state, &dm_state);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("dm_atomic_get_state() failed\n");
goto fail;
+ }
ret = do_aquire_global_lock(dev, state);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("do_aquire_global_lock() failed\n");
goto fail;
+ }
#if defined(CONFIG_DRM_AMD_DC_DCN)
- if (!compute_mst_dsc_configs_for_state(state, dm_state->context, vars))
+ if (!compute_mst_dsc_configs_for_state(state, dm_state->context, vars)) {
+ DRM_DEBUG_DRIVER("compute_mst_dsc_configs_for_state() failed\n");
goto fail;
+ }
ret = dm_update_mst_vcpi_slots_for_dsc(state, dm_state->context, vars);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("dm_update_mst_vcpi_slots_for_dsc() failed\n");
goto fail;
+ }
#endif
/*
@@ -11021,12 +11053,13 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
* to get stuck in an infinite loop and hang eventually.
*/
ret = drm_dp_mst_atomic_check(state);
- if (ret)
+ if (ret) {
+ DRM_DEBUG_DRIVER("drm_dp_mst_atomic_check() failed\n");
goto fail;
+ }
status = dc_validate_global_state(dc, dm_state->context, false);
if (status != DC_OK) {
- drm_dbg_atomic(dev,
- "DC global validation failure: %s (%d)",
+ DRM_DEBUG_DRIVER("DC global validation failure: %s (%d)",
dc_status_to_str(status), status);
ret = -EINVAL;
goto fail;