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| author | Jani Nikula <jani.nikula@intel.com> | 2024-01-23 22:37:20 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2024-02-09 11:15:18 +0300 |
| commit | 939857d69bcfc44ced80c18d844f85a85ffa2621 (patch) | |
| tree | 8d15dbe6c736e67c4d19022b6dfbce6ff76dccd4 /drivers/gpu/drm/bridge/analogix | |
| parent | 3ce7384048fa1793db0eae013fa377d89256b76f (diff) | |
| download | linux-939857d69bcfc44ced80c18d844f85a85ffa2621.tar.xz | |
drm/bridge: anx7625: switch to ->edid_read callback
Prefer using the struct drm_edid based callback.
v2: Fix build (goto out;)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/62b905f4ec9fe3efa3785d34006b7e45e4c6c88b.1706038510.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/bridge/analogix')
| -rw-r--r-- | drivers/gpu/drm/bridge/analogix/anx7625.c | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 29d91493b101..9d96d28d6fe8 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -1784,24 +1784,14 @@ static ssize_t anx7625_aux_transfer(struct drm_dp_aux *aux, return ret; } -static struct edid *anx7625_get_edid(struct anx7625_data *ctx) +static const struct drm_edid *anx7625_edid_read(struct anx7625_data *ctx) { struct device *dev = ctx->dev; struct s_edid_data *p_edid = &ctx->slimport_edid_p; int edid_num; - u8 *edid; - edid = kmalloc(FOUR_BLOCK_SIZE, GFP_KERNEL); - if (!edid) { - DRM_DEV_ERROR(dev, "Fail to allocate buffer\n"); - return NULL; - } - - if (ctx->slimport_edid_p.edid_block_num > 0) { - memcpy(edid, ctx->slimport_edid_p.edid_raw_data, - FOUR_BLOCK_SIZE); - return (struct edid *)edid; - } + if (ctx->slimport_edid_p.edid_block_num > 0) + goto out; pm_runtime_get_sync(dev); _anx7625_hpd_polling(ctx, 5000 * 100); @@ -1810,14 +1800,14 @@ static struct edid *anx7625_get_edid(struct anx7625_data *ctx) if (edid_num < 1) { DRM_DEV_ERROR(dev, "Fail to read EDID: %d\n", edid_num); - kfree(edid); return NULL; } p_edid->edid_block_num = edid_num; - memcpy(edid, ctx->slimport_edid_p.edid_raw_data, FOUR_BLOCK_SIZE); - return (struct edid *)edid; +out: + return drm_edid_alloc(ctx->slimport_edid_p.edid_raw_data, + FOUR_BLOCK_SIZE); } static enum drm_connector_status anx7625_sink_detect(struct anx7625_data *ctx) @@ -2492,15 +2482,15 @@ anx7625_bridge_detect(struct drm_bridge *bridge) return anx7625_sink_detect(ctx); } -static struct edid *anx7625_bridge_get_edid(struct drm_bridge *bridge, - struct drm_connector *connector) +static const struct drm_edid *anx7625_bridge_edid_read(struct drm_bridge *bridge, + struct drm_connector *connector) { struct anx7625_data *ctx = bridge_to_anx7625(bridge); struct device *dev = ctx->dev; DRM_DEV_DEBUG_DRIVER(dev, "drm bridge get edid\n"); - return anx7625_get_edid(ctx); + return anx7625_edid_read(ctx); } static const struct drm_bridge_funcs anx7625_bridge_funcs = { @@ -2515,7 +2505,7 @@ static const struct drm_bridge_funcs anx7625_bridge_funcs = { .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, .atomic_reset = drm_atomic_helper_bridge_reset, .detect = anx7625_bridge_detect, - .get_edid = anx7625_bridge_get_edid, + .edid_read = anx7625_bridge_edid_read, }; static int anx7625_register_i2c_dummy_clients(struct anx7625_data *ctx, |