6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jani Nikula <jani.nikula@xxxxxxxxx> [ Upstream commit 0c13bd9bf444b0dfb2e9ea0d26915f310cc8ad6a ] Prefer using the struct drm_edid based callback and functions. Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/3d783478e25e71f12f66c2caedb1f9205d4d8a44.1706038510.git.jani.nikula@xxxxxxxxx Stable-dep-of: 8ad49a92cff4 ("drm/mediatek/dp: Fix spurious kfree()") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/mediatek/mtk_dp.c | 31 ++++++++++++++++++++----------- 1 file changed, 20 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c index af03a22772fed..ff8436fb6e0d8 100644 --- a/drivers/gpu/drm/mediatek/mtk_dp.c +++ b/drivers/gpu/drm/mediatek/mtk_dp.c @@ -2027,12 +2027,12 @@ static enum drm_connector_status mtk_dp_bdg_detect(struct drm_bridge *bridge) return ret; } -static struct edid *mtk_dp_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *mtk_dp_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct mtk_dp *mtk_dp = mtk_dp_from_bridge(bridge); bool enabled = mtk_dp->enabled; - struct edid *new_edid = NULL; + const struct drm_edid *drm_edid; struct mtk_dp_audio_cfg *audio_caps = &mtk_dp->info.audio_cur_cfg; if (!enabled) { @@ -2040,7 +2040,7 @@ static struct edid *mtk_dp_get_edid(struct drm_bridge *bridge, mtk_dp_aux_panel_poweron(mtk_dp, true); } - new_edid = drm_get_edid(connector, &mtk_dp->aux.ddc); + drm_edid = drm_edid_read_ddc(connector, &mtk_dp->aux.ddc); /* * Parse capability here to let atomic_get_input_bus_fmts and @@ -2048,17 +2048,26 @@ static struct edid *mtk_dp_get_edid(struct drm_bridge *bridge, */ if (mtk_dp_parse_capabilities(mtk_dp)) { drm_err(mtk_dp->drm_dev, "Can't parse capabilities\n"); - kfree(new_edid); - new_edid = NULL; + drm_edid_free(drm_edid); + drm_edid = NULL; } - if (new_edid) { + if (drm_edid) { + /* + * FIXME: get rid of drm_edid_raw() + */ + const struct edid *edid = drm_edid_raw(drm_edid); struct cea_sad *sads; - audio_caps->sad_count = drm_edid_to_sad(new_edid, &sads); + audio_caps->sad_count = drm_edid_to_sad(edid, &sads); kfree(sads); - audio_caps->detect_monitor = drm_detect_monitor_audio(new_edid); + /* + * FIXME: This should use connector->display_info.has_audio from + * a path that has read the EDID and called + * drm_edid_connector_update(). + */ + audio_caps->detect_monitor = drm_detect_monitor_audio(edid); } if (!enabled) { @@ -2066,7 +2075,7 @@ static struct edid *mtk_dp_get_edid(struct drm_bridge *bridge, drm_atomic_bridge_chain_post_disable(bridge, connector->state->state); } - return new_edid; + return drm_edid; } static ssize_t mtk_dp_aux_transfer(struct drm_dp_aux *mtk_aux, @@ -2418,7 +2427,7 @@ static const struct drm_bridge_funcs mtk_dp_bridge_funcs = { .atomic_enable = mtk_dp_bridge_atomic_enable, .atomic_disable = mtk_dp_bridge_atomic_disable, .mode_valid = mtk_dp_bridge_mode_valid, - .get_edid = mtk_dp_get_edid, + .edid_read = mtk_dp_edid_read, .detect = mtk_dp_bdg_detect, }; -- 2.43.0
