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| author | Philippe CORNU <philippe.cornu@st.com> | 2018-04-07 23:35:03 +0200 |
|---|---|---|
| committer | Philippe Cornu <philippe.cornu@st.com> | 2018-04-19 12:15:38 +0200 |
| commit | 25bb1a9de3cc36ea1fd2dc10f4a375571be0ff37 (patch) | |
| tree | 24b749f5989edddad0c5d2bfb385a05996697a42 /drivers/gpu/drm/stm/ltdc.c | |
| parent | c8da819478e8149656ff12e40fde2446f9034e81 (diff) | |
drm/stm: ltdc: add user update info in plane print state
This patch adds the user update information in
frames-per-second into the drm debugfs plane state.
Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
Reviewed-by: Vincent Abriou <vincent.abriou@st.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180407213503.30932-1-philippe.cornu@st.com
Diffstat (limited to 'drivers/gpu/drm/stm/ltdc.c')
| -rw-r--r-- | drivers/gpu/drm/stm/ltdc.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c index 2b745cfc9000..061d2b6e5157 100644 --- a/drivers/gpu/drm/stm/ltdc.c +++ b/drivers/gpu/drm/stm/ltdc.c @@ -729,6 +729,8 @@ static void ltdc_plane_atomic_update(struct drm_plane *plane, reg_update_bits(ldev->regs, LTDC_L1CR + lofs, LXCR_LEN | LXCR_CLUTEN, val); + ldev->plane_fpsi[plane->index].counter++; + mutex_lock(&ldev->err_lock); if (ldev->error_status & ISR_FUIF) { DRM_DEBUG_DRIVER("Fifo underrun\n"); @@ -754,6 +756,25 @@ static void ltdc_plane_atomic_disable(struct drm_plane *plane, oldstate->crtc->base.id, plane->base.id); } +static void ltdc_plane_atomic_print_state(struct drm_printer *p, + const struct drm_plane_state *state) +{ + struct drm_plane *plane = state->plane; + struct ltdc_device *ldev = plane_to_ltdc(plane); + struct fps_info *fpsi = &ldev->plane_fpsi[plane->index]; + int ms_since_last; + ktime_t now; + + now = ktime_get(); + ms_since_last = ktime_to_ms(ktime_sub(now, fpsi->last_timestamp)); + + drm_printf(p, "\tuser_updates=%dfps\n", + DIV_ROUND_CLOSEST(fpsi->counter * 1000, ms_since_last)); + + fpsi->last_timestamp = now; + fpsi->counter = 0; +} + static const struct drm_plane_funcs ltdc_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, @@ -761,6 +782,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = { .reset = drm_atomic_helper_plane_reset, .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, + .atomic_print_state = ltdc_plane_atomic_print_state, }; static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = { |