diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_drm.c')
-rw-r--r-- | drivers/gpu/drm/msm/dp/dp_drm.c | 152 |
1 files changed, 74 insertions, 78 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c index a819a4ff76a9..d3e241ea6941 100644 --- a/drivers/gpu/drm/msm/dp/dp_drm.c +++ b/drivers/gpu/drm/msm/dp/dp_drm.c @@ -14,15 +14,15 @@ #include "dp_drm.h" /** - * dp_bridge_detect - callback to determine if connector is connected + * msm_dp_bridge_detect - callback to determine if connector is connected * @bridge: Pointer to drm bridge structure * Returns: Bridge's 'is connected' status */ -static enum drm_connector_status dp_bridge_detect(struct drm_bridge *bridge) +static enum drm_connector_status msm_dp_bridge_detect(struct drm_bridge *bridge) { struct msm_dp *dp; - dp = to_dp_bridge(bridge)->dp_display; + dp = to_dp_bridge(bridge)->msm_dp_display; drm_dbg_dp(dp->drm_dev, "link_ready = %s\n", (dp->link_ready) ? "true" : "false"); @@ -31,14 +31,14 @@ static enum drm_connector_status dp_bridge_detect(struct drm_bridge *bridge) connector_status_disconnected; } -static int dp_bridge_atomic_check(struct drm_bridge *bridge, +static int msm_dp_bridge_atomic_check(struct drm_bridge *bridge, struct drm_bridge_state *bridge_state, struct drm_crtc_state *crtc_state, struct drm_connector_state *conn_state) { struct msm_dp *dp; - dp = to_dp_bridge(bridge)->dp_display; + dp = to_dp_bridge(bridge)->msm_dp_display; drm_dbg_dp(dp->drm_dev, "link_ready = %s\n", (dp->link_ready) ? "true" : "false"); @@ -62,12 +62,12 @@ static int dp_bridge_atomic_check(struct drm_bridge *bridge, /** - * dp_bridge_get_modes - callback to add drm modes via drm_mode_probed_add() + * msm_dp_bridge_get_modes - callback to add drm modes via drm_mode_probed_add() * @bridge: Poiner to drm bridge * @connector: Pointer to drm connector structure * Returns: Number of modes added */ -static int dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector *connector) +static int msm_dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector *connector) { int rc = 0; struct msm_dp *dp; @@ -75,11 +75,11 @@ static int dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector * if (!connector) return 0; - dp = to_dp_bridge(bridge)->dp_display; + dp = to_dp_bridge(bridge)->msm_dp_display; /* pluggable case assumes EDID is read when HPD */ if (dp->link_ready) { - rc = dp_display_get_modes(dp); + rc = msm_dp_display_get_modes(dp); if (rc <= 0) { DRM_ERROR("failed to get DP sink modes, rc=%d\n", rc); return rc; @@ -90,37 +90,37 @@ static int dp_bridge_get_modes(struct drm_bridge *bridge, struct drm_connector * return rc; } -static void dp_bridge_debugfs_init(struct drm_bridge *bridge, struct dentry *root) +static void msm_dp_bridge_debugfs_init(struct drm_bridge *bridge, struct dentry *root) { - struct msm_dp *dp = to_dp_bridge(bridge)->dp_display; + struct msm_dp *dp = to_dp_bridge(bridge)->msm_dp_display; - dp_display_debugfs_init(dp, root, false); + msm_dp_display_debugfs_init(dp, root, false); } -static const struct drm_bridge_funcs dp_bridge_ops = { +static const struct drm_bridge_funcs msm_dp_bridge_ops = { .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, .atomic_reset = drm_atomic_helper_bridge_reset, - .atomic_enable = dp_bridge_atomic_enable, - .atomic_disable = dp_bridge_atomic_disable, - .atomic_post_disable = dp_bridge_atomic_post_disable, - .mode_set = dp_bridge_mode_set, - .mode_valid = dp_bridge_mode_valid, - .get_modes = dp_bridge_get_modes, - .detect = dp_bridge_detect, - .atomic_check = dp_bridge_atomic_check, - .hpd_enable = dp_bridge_hpd_enable, - .hpd_disable = dp_bridge_hpd_disable, - .hpd_notify = dp_bridge_hpd_notify, - .debugfs_init = dp_bridge_debugfs_init, + .atomic_enable = msm_dp_bridge_atomic_enable, + .atomic_disable = msm_dp_bridge_atomic_disable, + .atomic_post_disable = msm_dp_bridge_atomic_post_disable, + .mode_set = msm_dp_bridge_mode_set, + .mode_valid = msm_dp_bridge_mode_valid, + .get_modes = msm_dp_bridge_get_modes, + .detect = msm_dp_bridge_detect, + .atomic_check = msm_dp_bridge_atomic_check, + .hpd_enable = msm_dp_bridge_hpd_enable, + .hpd_disable = msm_dp_bridge_hpd_disable, + .hpd_notify = msm_dp_bridge_hpd_notify, + .debugfs_init = msm_dp_bridge_debugfs_init, }; -static int edp_bridge_atomic_check(struct drm_bridge *drm_bridge, +static int msm_edp_bridge_atomic_check(struct drm_bridge *drm_bridge, struct drm_bridge_state *bridge_state, struct drm_crtc_state *crtc_state, struct drm_connector_state *conn_state) { - struct msm_dp *dp = to_dp_bridge(drm_bridge)->dp_display; + struct msm_dp *dp = to_dp_bridge(drm_bridge)->msm_dp_display; if (WARN_ON(!conn_state)) return -ENODEV; @@ -136,18 +136,18 @@ static int edp_bridge_atomic_check(struct drm_bridge *drm_bridge, return 0; } -static void edp_bridge_atomic_enable(struct drm_bridge *drm_bridge, +static void msm_edp_bridge_atomic_enable(struct drm_bridge *drm_bridge, struct drm_bridge_state *old_bridge_state) { struct drm_atomic_state *atomic_state = old_bridge_state->base.state; struct drm_crtc *crtc; struct drm_crtc_state *old_crtc_state; - struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge); - struct msm_dp *dp = dp_bridge->dp_display; + struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(drm_bridge); + struct msm_dp *dp = msm_dp_bridge->msm_dp_display; /* * Check the old state of the crtc to determine if the panel - * was put into psr state previously by the edp_bridge_atomic_disable. + * was put into psr state previously by the msm_edp_bridge_atomic_disable. * If the panel is in psr, just exit psr state and skip the full * bridge enable sequence. */ @@ -159,21 +159,21 @@ static void edp_bridge_atomic_enable(struct drm_bridge *drm_bridge, old_crtc_state = drm_atomic_get_old_crtc_state(atomic_state, crtc); if (old_crtc_state && old_crtc_state->self_refresh_active) { - dp_display_set_psr(dp, false); + msm_dp_display_set_psr(dp, false); return; } - dp_bridge_atomic_enable(drm_bridge, old_bridge_state); + msm_dp_bridge_atomic_enable(drm_bridge, old_bridge_state); } -static void edp_bridge_atomic_disable(struct drm_bridge *drm_bridge, +static void msm_edp_bridge_atomic_disable(struct drm_bridge *drm_bridge, struct drm_bridge_state *old_bridge_state) { struct drm_atomic_state *atomic_state = old_bridge_state->base.state; struct drm_crtc *crtc; struct drm_crtc_state *new_crtc_state = NULL, *old_crtc_state = NULL; - struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge); - struct msm_dp *dp = dp_bridge->dp_display; + struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(drm_bridge); + struct msm_dp *dp = msm_dp_bridge->msm_dp_display; crtc = drm_atomic_get_old_crtc_for_encoder(atomic_state, drm_bridge->encoder); @@ -194,24 +194,24 @@ static void edp_bridge_atomic_disable(struct drm_bridge *drm_bridge, * If old crtc state is active, then this is a display disable * call while the sink is in psr state. So, exit psr here. * The eDP controller will be disabled in the - * edp_bridge_atomic_post_disable function. + * msm_edp_bridge_atomic_post_disable function. * * We observed sink is stuck in self refresh if psr exit is skipped * when display disable occurs while the sink is in psr state. */ if (new_crtc_state->self_refresh_active) { - dp_display_set_psr(dp, true); + msm_dp_display_set_psr(dp, true); return; } else if (old_crtc_state->self_refresh_active) { - dp_display_set_psr(dp, false); + msm_dp_display_set_psr(dp, false); return; } out: - dp_bridge_atomic_disable(drm_bridge, old_bridge_state); + msm_dp_bridge_atomic_disable(drm_bridge, old_bridge_state); } -static void edp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge, +static void msm_edp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge, struct drm_bridge_state *old_bridge_state) { struct drm_atomic_state *atomic_state = old_bridge_state->base.state; @@ -228,29 +228,29 @@ static void edp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge, return; /* - * Self refresh mode is already set in edp_bridge_atomic_disable. + * Self refresh mode is already set in msm_edp_bridge_atomic_disable. */ if (new_crtc_state->self_refresh_active) return; - dp_bridge_atomic_post_disable(drm_bridge, old_bridge_state); + msm_dp_bridge_atomic_post_disable(drm_bridge, old_bridge_state); } /** - * edp_bridge_mode_valid - callback to determine if specified mode is valid + * msm_edp_bridge_mode_valid - callback to determine if specified mode is valid * @bridge: Pointer to drm bridge structure * @info: display info * @mode: Pointer to drm mode structure * Returns: Validity status for specified mode */ -static enum drm_mode_status edp_bridge_mode_valid(struct drm_bridge *bridge, +static enum drm_mode_status msm_edp_bridge_mode_valid(struct drm_bridge *bridge, const struct drm_display_info *info, const struct drm_display_mode *mode) { struct msm_dp *dp; int mode_pclk_khz = mode->clock; - dp = to_dp_bridge(bridge)->dp_display; + dp = to_dp_bridge(bridge)->msm_dp_display; if (!dp || !mode_pclk_khz || !dp->connector) { DRM_ERROR("invalid params\n"); @@ -268,42 +268,43 @@ static enum drm_mode_status edp_bridge_mode_valid(struct drm_bridge *bridge, return MODE_OK; } -static void edp_bridge_debugfs_init(struct drm_bridge *bridge, struct dentry *root) +static void msm_edp_bridge_debugfs_init(struct drm_bridge *bridge, struct dentry *root) { - struct msm_dp *dp = to_dp_bridge(bridge)->dp_display; + struct msm_dp *dp = to_dp_bridge(bridge)->msm_dp_display; - dp_display_debugfs_init(dp, root, true); + msm_dp_display_debugfs_init(dp, root, true); } -static const struct drm_bridge_funcs edp_bridge_ops = { - .atomic_enable = edp_bridge_atomic_enable, - .atomic_disable = edp_bridge_atomic_disable, - .atomic_post_disable = edp_bridge_atomic_post_disable, - .mode_set = dp_bridge_mode_set, - .mode_valid = edp_bridge_mode_valid, +static const struct drm_bridge_funcs msm_edp_bridge_ops = { + .atomic_enable = msm_edp_bridge_atomic_enable, + .atomic_disable = msm_edp_bridge_atomic_disable, + .atomic_post_disable = msm_edp_bridge_atomic_post_disable, + .mode_set = msm_dp_bridge_mode_set, + .mode_valid = msm_edp_bridge_mode_valid, .atomic_reset = drm_atomic_helper_bridge_reset, .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state, .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state, - .atomic_check = edp_bridge_atomic_check, - .debugfs_init = edp_bridge_debugfs_init, + .atomic_check = msm_edp_bridge_atomic_check, + .debugfs_init = msm_edp_bridge_debugfs_init, }; -int dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev, - struct drm_encoder *encoder) +int msm_dp_bridge_init(struct msm_dp *msm_dp_display, struct drm_device *dev, + struct drm_encoder *encoder, bool yuv_supported) { int rc; - struct msm_dp_bridge *dp_bridge; + struct msm_dp_bridge *msm_dp_bridge; struct drm_bridge *bridge; - dp_bridge = devm_kzalloc(dev->dev, sizeof(*dp_bridge), GFP_KERNEL); - if (!dp_bridge) + msm_dp_bridge = devm_kzalloc(dev->dev, sizeof(*msm_dp_bridge), GFP_KERNEL); + if (!msm_dp_bridge) return -ENOMEM; - dp_bridge->dp_display = dp_display; + msm_dp_bridge->msm_dp_display = msm_dp_display; - bridge = &dp_bridge->bridge; - bridge->funcs = dp_display->is_edp ? &edp_bridge_ops : &dp_bridge_ops; - bridge->type = dp_display->connector_type; + bridge = &msm_dp_bridge->bridge; + bridge->funcs = msm_dp_display->is_edp ? &msm_edp_bridge_ops : &msm_dp_bridge_ops; + bridge->type = msm_dp_display->connector_type; + bridge->ycbcr_420_allowed = yuv_supported; /* * Many ops only make sense for DP. Why? @@ -316,7 +317,7 @@ int dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev, * allows the panel driver to properly power itself on to read the * modes. */ - if (!dp_display->is_edp) { + if (!msm_dp_display->is_edp) { bridge->ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_HPD | @@ -337,9 +338,9 @@ int dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev, return rc; } - if (dp_display->next_bridge) { + if (msm_dp_display->next_bridge) { rc = drm_bridge_attach(encoder, - dp_display->next_bridge, bridge, + msm_dp_display->next_bridge, bridge, DRM_BRIDGE_ATTACH_NO_CONNECTOR); if (rc < 0) { DRM_ERROR("failed to attach panel bridge: %d\n", rc); @@ -347,27 +348,22 @@ int dp_bridge_init(struct msm_dp *dp_display, struct drm_device *dev, } } - dp_display->bridge = bridge; - return 0; } /* connector initialization */ -struct drm_connector *dp_drm_connector_init(struct msm_dp *dp_display, struct drm_encoder *encoder, - bool yuv_supported) +struct drm_connector *msm_dp_drm_connector_init(struct msm_dp *msm_dp_display, + struct drm_encoder *encoder) { struct drm_connector *connector = NULL; - connector = drm_bridge_connector_init(dp_display->drm_dev, encoder); + connector = drm_bridge_connector_init(msm_dp_display->drm_dev, encoder); if (IS_ERR(connector)) return connector; - if (!dp_display->is_edp) + if (!msm_dp_display->is_edp) drm_connector_attach_dp_subconnector_property(connector); - if (yuv_supported) - connector->ycbcr_420_allowed = true; - drm_connector_attach_encoder(connector, encoder); return connector; |