Merge "disp: msm: add resource caps structure and api changes"

This commit is contained in:
qctecmdr 2019-07-12 02:20:32 -07:00 committed by Gerrit - the friendly Code Review server
commit 3ab9638e45
13 changed files with 158 additions and 67 deletions

View File

@ -357,7 +357,7 @@ end:
int dp_connector_get_mode_info(struct drm_connector *connector,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info,
u32 max_mixer_width, void *display)
void *display, const struct msm_resource_caps_info *avail_res)
{
const u32 dual_lm = 2;
const u32 single_lm = 1;
@ -369,8 +369,8 @@ int dp_connector_get_mode_info(struct drm_connector *connector,
struct dp_display_mode dp_mode;
struct dp_display *dp_disp = display;
if (!drm_mode || !mode_info || !max_mixer_width || !connector ||
!display) {
if (!drm_mode || !mode_info || !avail_res ||
!avail_res->max_mixer_width || !connector || !display) {
pr_err("invalid params\n");
return -EINVAL;
}
@ -381,7 +381,7 @@ int dp_connector_get_mode_info(struct drm_connector *connector,
dp_panel = sde_conn->drv_panel;
topology = &mode_info->topology;
topology->num_lm = (max_mixer_width <= drm_mode->hdisplay) ?
topology->num_lm = (avail_res->max_mixer_width <= drm_mode->hdisplay) ?
dual_lm : single_lm;
topology->num_enc = no_enc;
topology->num_intf = single_intf;
@ -472,7 +472,7 @@ void dp_connector_post_open(struct drm_connector *connector, void *display)
}
int dp_connector_get_modes(struct drm_connector *connector,
void *display)
void *display, const struct msm_resource_caps_info *avail_res)
{
int rc = 0;
struct dp_display *dp;
@ -580,7 +580,8 @@ void dp_drm_bridge_deinit(void *data)
}
enum drm_mode_status dp_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode, void *display)
struct drm_display_mode *mode, void *display,
const struct msm_resource_caps_info *avail_res)
{
struct dp_display *dp_disp;
struct sde_connector *sde_conn;

View File

@ -60,35 +60,37 @@ enum drm_connector_status dp_connector_detect(struct drm_connector *conn,
* dp_connector_get_modes - callback to add drm modes via drm_mode_probed_add()
* @connector: Pointer to drm connector structure
* @display: Pointer to private display handle
* @avail_res: Pointer with curr available resources
* Returns: Number of modes added
*/
int dp_connector_get_modes(struct drm_connector *connector,
void *display);
void *display, const struct msm_resource_caps_info *avail_res);
/**
* dp_connector_mode_valid - callback to determine if specified mode is valid
* @connector: Pointer to drm connector structure
* @mode: Pointer to drm mode structure
* @display: Pointer to private display handle
* @avail_res: Pointer with curr available resources
* Returns: Validity status for specified mode
*/
enum drm_mode_status dp_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode,
void *display);
void *display, const struct msm_resource_caps_info *avail_res);
/**
* dp_connector_get_mode_info - retrieve information of the mode selected
* @connector: Pointer to drm connector structure
* @drm_mode: Display mode set for the display
* @mode_info: Out parameter. Information of the mode
* @max_mixer_width: max width supported by HW layer mixer
* @display: Pointer to private display structure
* @avail_res: Pointer with curr available resources
* Returns: zero on success
*/
int dp_connector_get_mode_info(struct drm_connector *connector,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info,
u32 max_mixer_width, void *display);
void *display, const struct msm_resource_caps_info *avail_res);
/**
* dp_connector_get_info - retrieve connector display info
@ -177,7 +179,7 @@ static inline enum drm_connector_status dp_connector_detect(
static inline int dp_connector_get_modes(struct drm_connector *connector,
void *display)
void *display, const struct msm_resource_caps_info *avail_res)
{
return 0;
}
@ -185,7 +187,7 @@ static inline int dp_connector_get_modes(struct drm_connector *connector,
static inline enum drm_mode_status dp_connector_mode_valid(
struct drm_connector *connector,
struct drm_display_mode *mode,
void *display)
void *display, const struct msm_resource_caps_info *avail_res)
{
return MODE_OK;
}
@ -193,7 +195,7 @@ static inline enum drm_mode_status dp_connector_mode_valid(
static inline int dp_connector_get_mode_info(struct drm_connector *connector,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info,
u32 max_mixer_width, void *display)
void *display, const struct msm_resource_caps_info *avail_res)
{
return 0;
}

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@ -1197,7 +1197,7 @@ dp_mst_connector_detect(struct drm_connector *connector, bool force,
}
static int dp_mst_connector_get_modes(struct drm_connector *connector,
void *display)
void *display, const struct msm_resource_caps_info *avail_res)
{
struct sde_connector *c_conn = to_sde_connector(connector);
struct dp_display *dp_display = display;
@ -1224,7 +1224,7 @@ static int dp_mst_connector_get_modes(struct drm_connector *connector,
enum drm_mode_status dp_mst_connector_mode_valid(
struct drm_connector *connector,
struct drm_display_mode *mode,
void *display)
void *display, const struct msm_resource_caps_info *avail_res)
{
struct dp_display *dp_display = display;
struct dp_mst_private *mst;
@ -1275,7 +1275,7 @@ enum drm_mode_status dp_mst_connector_mode_valid(
return MODE_BAD;
}
return dp_connector_mode_valid(connector, mode, display);
return dp_connector_mode_valid(connector, mode, display, avail_res);
}
int dp_mst_connector_get_info(struct drm_connector *connector,
@ -1309,14 +1309,15 @@ int dp_mst_connector_get_info(struct drm_connector *connector,
int dp_mst_connector_get_mode_info(struct drm_connector *connector,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info,
u32 max_mixer_width, void *display)
void *display,
const struct msm_resource_caps_info *avail_res)
{
int rc;
DP_MST_DEBUG("enter:\n");
rc = dp_connector_get_mode_info(connector, drm_mode, mode_info,
max_mixer_width, display);
display, avail_res);
DP_MST_DEBUG("mst connector:%d get mode info. rc:%d\n",
connector->base.id, rc);

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@ -5134,7 +5134,8 @@ static enum drm_connector_status dsi_display_drm_ext_detect(
}
static int dsi_display_drm_ext_get_modes(
struct drm_connector *connector, void *disp)
struct drm_connector *connector, void *disp,
const struct msm_resource_caps_info *avail_res)
{
struct dsi_display *display = disp;
struct drm_display_mode *pmode, *pt;
@ -5142,7 +5143,7 @@ static int dsi_display_drm_ext_get_modes(
/* if there are modes defined in panel, ignore external modes */
if (display->panel->num_timing_nodes)
return dsi_connector_get_modes(connector, disp);
return dsi_connector_get_modes(connector, disp, avail_res);
count = display->ext_conn->helper_private->get_modes(
display->ext_conn);
@ -5160,13 +5161,13 @@ static int dsi_display_drm_ext_get_modes(
static enum drm_mode_status dsi_display_drm_ext_mode_valid(
struct drm_connector *connector,
struct drm_display_mode *mode,
void *disp)
void *disp, const struct msm_resource_caps_info *avail_res)
{
struct dsi_display *display = disp;
enum drm_mode_status status;
/* always do internal mode_valid check */
status = dsi_conn_mode_valid(connector, mode, disp);
status = dsi_conn_mode_valid(connector, mode, disp, avail_res);
if (status != MODE_OK)
return status;
@ -5228,11 +5229,12 @@ static int dsi_display_ext_get_info(struct drm_connector *connector,
static int dsi_display_ext_get_mode_info(struct drm_connector *connector,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info,
u32 max_mixer_width, void *display)
void *display, const struct msm_resource_caps_info *avail_res)
{
struct msm_display_topology *topology;
if (!drm_mode || !mode_info)
if (!drm_mode || !mode_info ||
!avail_res || !avail_res->max_mixer_width)
return -EINVAL;
memset(mode_info, 0, sizeof(*mode_info));
@ -5240,7 +5242,8 @@ static int dsi_display_ext_get_mode_info(struct drm_connector *connector,
mode_info->vtotal = drm_mode->vtotal;
topology = &mode_info->topology;
topology->num_lm = (max_mixer_width <= drm_mode->hdisplay) ? 2 : 1;
topology->num_lm = (avail_res->max_mixer_width
<= drm_mode->hdisplay) ? 2 : 1;
topology->num_enc = 0;
topology->num_intf = topology->num_lm;

View File

@ -459,7 +459,7 @@ u64 dsi_drm_find_bit_clk_rate(void *display,
int dsi_conn_get_mode_info(struct drm_connector *connector,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info,
u32 max_mixer_width, void *display)
void *display, const struct msm_resource_caps_info *avail_res)
{
struct dsi_display_mode dsi_mode;
struct dsi_mode_info *timing;
@ -790,7 +790,8 @@ static void dsi_drm_update_checksum(struct edid *edid)
edid->checksum = 0x100 - (sum & 0xFF);
}
int dsi_connector_get_modes(struct drm_connector *connector, void *data)
int dsi_connector_get_modes(struct drm_connector *connector, void *data,
const struct msm_resource_caps_info *avail_res)
{
int rc, i;
u32 count = 0, edid_size;
@ -871,7 +872,7 @@ end:
enum drm_mode_status dsi_conn_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode,
void *display)
void *display, const struct msm_resource_caps_info *avail_res)
{
struct dsi_display_mode dsi_mode;
int rc;

View File

@ -51,10 +51,11 @@ enum drm_connector_status dsi_conn_detect(struct drm_connector *conn,
* dsi_connector_get_modes - callback to add drm modes via drm_mode_probed_add()
* @connector: Pointer to drm connector structure
* @display: Pointer to private display handle
* @avail_res: Pointer with curr available resources
* Returns: Number of modes added
*/
int dsi_connector_get_modes(struct drm_connector *connector,
void *display);
void *display, const struct msm_resource_caps_info *avail_res);
/**
* dsi_connector_put_modes - callback to free up drm modes of the connector
@ -68,25 +69,26 @@ void dsi_connector_put_modes(struct drm_connector *connector,
* dsi_conn_get_mode_info - retrieve information on the mode selected
* @drm_mode: Display mode set for the display
* @mode_info: Out parameter. information of the mode.
* @max_mixer_width: max width supported by HW layer mixer
* @display: Pointer to private display structure
* @avail_res: Pointer with curr available resources
* Returns: Zero on success
*/
int dsi_conn_get_mode_info(struct drm_connector *connector,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info, u32 max_mixer_width,
void *display);
struct msm_mode_info *mode_info,
void *display, const struct msm_resource_caps_info *avail_res);
/**
* dsi_conn_mode_valid - callback to determine if specified mode is valid
* @connector: Pointer to drm connector structure
* @mode: Pointer to drm mode structure
* @display: Pointer to private display handle
* @avail_res: Pointer with curr available resources
* Returns: Validity status for specified mode
*/
enum drm_mode_status dsi_conn_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode,
void *display);
void *display, const struct msm_resource_caps_info *avail_res);
/**
* dsi_conn_enable_event - callback to notify DSI driver of event registration

View File

@ -473,6 +473,22 @@ struct msm_mode_info {
u32 mdp_transfer_time_us;
};
/**
* struct msm_resource_caps_info - defines hw resources
* @num_lm number of layer mixers available
* @num_dsc number of dsc available
* @num_ctl number of ctl available
* @num_3dmux number of 3d mux available
* @max_mixer_width: max width supported by layer mixer
*/
struct msm_resource_caps_info {
uint32_t num_lm;
uint32_t num_dsc;
uint32_t num_ctl;
uint32_t num_3dmux;
uint32_t max_mixer_width;
};
/**
* struct msm_display_info - defines display properties
* @intf_type: DRM_MODE_CONNECTOR_ display type

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@ -365,7 +365,45 @@ int sde_connector_get_dither_cfg(struct drm_connector *conn,
return 0;
}
int sde_connector_get_mode_info(struct drm_connector_state *conn_state,
static void sde_connector_get_avail_res_info(struct drm_connector *conn,
struct msm_resource_caps_info *avail_res)
{
struct msm_drm_private *priv;
struct sde_kms *sde_kms;
if (!conn || !conn->dev || !conn->dev->dev_private)
return;
priv = conn->dev->dev_private;
sde_kms = to_sde_kms(priv->kms);
if (!sde_kms)
return;
avail_res->max_mixer_width = sde_kms->catalog->max_mixer_width;
}
int sde_connector_get_mode_info(struct drm_connector *conn,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info)
{
struct sde_connector *sde_conn;
struct msm_resource_caps_info avail_res;
memset(&avail_res, 0, sizeof(avail_res));
sde_conn = to_sde_connector(conn);
if (!sde_conn)
return -EINVAL;
sde_connector_get_avail_res_info(conn, &avail_res);
return sde_conn->ops.get_mode_info(conn, drm_mode,
mode_info, sde_conn->display, &avail_res);
}
int sde_connector_state_get_mode_info(struct drm_connector_state *conn_state,
struct msm_mode_info *mode_info)
{
struct sde_connector_state *sde_conn_state = NULL;
@ -1846,6 +1884,7 @@ static const struct drm_connector_funcs sde_connector_ops = {
static int sde_connector_get_modes(struct drm_connector *connector)
{
struct sde_connector *c_conn;
struct msm_resource_caps_info avail_res;
int mode_count = 0;
if (!connector) {
@ -1859,7 +1898,11 @@ static int sde_connector_get_modes(struct drm_connector *connector)
return 0;
}
mode_count = c_conn->ops.get_modes(connector, c_conn->display);
memset(&avail_res, 0, sizeof(avail_res));
sde_connector_get_avail_res_info(connector, &avail_res);
mode_count = c_conn->ops.get_modes(connector, c_conn->display,
&avail_res);
if (!mode_count) {
SDE_ERROR_CONN(c_conn, "failed to get modes\n");
return 0;
@ -1876,6 +1919,7 @@ sde_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct sde_connector *c_conn;
struct msm_resource_caps_info avail_res;
if (!connector || !mode) {
SDE_ERROR("invalid argument(s), conn %pK, mode %pK\n",
@ -1885,8 +1929,12 @@ sde_connector_mode_valid(struct drm_connector *connector,
c_conn = to_sde_connector(connector);
memset(&avail_res, 0, sizeof(avail_res));
sde_connector_get_avail_res_info(connector, &avail_res);
if (c_conn->ops.mode_valid)
return c_conn->ops.mode_valid(connector, mode, c_conn->display);
return c_conn->ops.mode_valid(connector, mode, c_conn->display,
&avail_res);
/* assume all modes okay by default */
return MODE_OK;
@ -2100,9 +2148,8 @@ static int sde_connector_populate_mode_info(struct drm_connector *conn,
memset(&mode_info, 0, sizeof(mode_info));
rc = c_conn->ops.get_mode_info(&c_conn->base, mode, &mode_info,
sde_kms->catalog->max_mixer_width,
c_conn->display);
rc = sde_connector_get_mode_info(&c_conn->base, mode,
&mode_info);
if (rc) {
SDE_ERROR_CONN(c_conn,
"failed to get mode info for mode %s\n",

View File

@ -64,10 +64,12 @@ struct sde_connector_ops {
* get_modes - add drm modes via drm_mode_probed_add()
* @connector: Pointer to drm connector structure
* @display: Pointer to private display handle
* @avail_res: Pointer with current available resources
* Returns: Number of modes added
*/
int (*get_modes)(struct drm_connector *connector,
void *display);
void *display,
const struct msm_resource_caps_info *avail_res);
/**
* update_pps - update pps command for the display panel
@ -84,11 +86,13 @@ struct sde_connector_ops {
* @connector: Pointer to drm connector structure
* @mode: Pointer to drm mode structure
* @display: Pointer to private display handle
* @avail_res: Pointer with curr available resources
* Returns: Validity status for specified mode
*/
enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
struct drm_display_mode *mode,
void *display);
void *display,
const struct msm_resource_caps_info *avail_res);
/**
* set_property - set property value
@ -135,14 +139,15 @@ struct sde_connector_ops {
* @connector: Pointer to drm connector structure
* @drm_mode: Display mode set for the display
* @mode_info: Out parameter. information of the display mode
* @max_mixer_width: max width supported by HW layer mixer
* @display: Pointer to private display structure
* @avail_res: Pointer with curr available resources
* Returns: Zero on success
*/
int (*get_mode_info)(struct drm_connector *connector,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info,
u32 max_mixer_width, void *display);
void *display,
const struct msm_resource_caps_info *avail_res);
/**
* enable_event - notify display of event registration/unregistration
@ -859,14 +864,25 @@ int sde_connector_helper_reset_custom_properties(
struct drm_connector_state *connector_state);
/**
* sde_connector_get_mode_info - get information of the current mode in the
* given connector state.
* sde_connector_state_get_mode_info - get information of the current mode
* in the given connector state.
* conn_state: Pointer to the DRM connector state object
* mode_info: Pointer to the mode info structure
*/
int sde_connector_get_mode_info(struct drm_connector_state *conn_state,
int sde_connector_state_get_mode_info(struct drm_connector_state *conn_state,
struct msm_mode_info *mode_info);
/**
* sde_connector_get_mode_info - retrieve mode info for given mode
* @connector: Pointer to drm connector structure
* @drm_mode: Display mode set for the display
* @mode_info: Out parameter. information of the display mode
* Returns: Zero on success
*/
int sde_connector_get_mode_info(struct drm_connector *conn,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info);
/**
* sde_conn_timeline_status - current buffer timeline status
* conn: Pointer to drm_connector struct

View File

@ -723,7 +723,7 @@ static int _sde_crtc_set_crtc_roi(struct drm_crtc *crtc,
if (!conn_state || conn_state->crtc != crtc)
continue;
rc = sde_connector_get_mode_info(conn_state, &mode_info);
rc = sde_connector_state_get_mode_info(conn_state, &mode_info);
if (rc) {
SDE_ERROR("failed to get mode info\n");
return -EINVAL;
@ -1066,7 +1066,7 @@ static int _sde_crtc_check_rois(struct drm_crtc *crtc,
if (!conn || !conn->state)
continue;
rc = sde_connector_get_mode_info(conn->state, &mode_info);
rc = sde_connector_state_get_mode_info(conn->state, &mode_info);
if (rc) {
SDE_ERROR("failed to get mode info\n");
return -EINVAL;

View File

@ -687,7 +687,7 @@ void sde_encoder_get_hw_resources(struct drm_encoder *drm_enc,
* called from atomic_check phase. Use the below API to get mode
* information of the temporary conn_state passed
*/
sde_connector_get_mode_info(conn_state, &mode_info);
sde_connector_state_get_mode_info(conn_state, &mode_info);
hw_res->topology = mode_info.topology;
hw_res->display_type = sde_enc->disp_info.display_type;
}
@ -985,10 +985,8 @@ static int _sde_encoder_atomic_check_reserve(struct drm_encoder *drm_enc,
if (sde_conn && drm_atomic_crtc_needs_modeset(crtc_state)) {
struct msm_display_topology *topology = NULL;
ret = sde_conn->ops.get_mode_info(&sde_conn->base, adj_mode,
&sde_conn_state->mode_info,
sde_kms->catalog->max_mixer_width,
sde_conn->display);
ret = sde_connector_get_mode_info(&sde_conn->base,
adj_mode, &sde_conn_state->mode_info);
if (ret) {
SDE_ERROR_ENC(sde_enc,
"failed to get mode info, rc = %d\n", ret);
@ -2820,7 +2818,7 @@ static void sde_encoder_virt_mode_set(struct drm_encoder *drm_enc,
intf_mode = sde_encoder_get_intf_mode(drm_enc);
/* store the mode_info */
sde_connector_get_mode_info(conn->state, &sde_enc->mode_info);
sde_connector_state_get_mode_info(conn->state, &sde_enc->mode_info);
/* release resources before seamless mode change */
if (msm_is_mode_seamless_dms(adj_mode) ||
@ -5846,11 +5844,9 @@ int sde_encoder_update_caps_for_cont_splash(struct drm_encoder *encoder,
return -EINVAL;
}
ret = sde_conn->ops.get_mode_info(&sde_conn->base,
ret = sde_connector_get_mode_info(&sde_conn->base,
&encoder->crtc->state->adjusted_mode,
&sde_conn_state->mode_info,
sde_kms->catalog->max_mixer_width,
sde_conn->display);
&sde_conn_state->mode_info);
if (ret) {
SDE_ERROR_ENC(sde_enc,
"conn: ->get_mode_info failed. ret=%d\n", ret);

View File

@ -61,7 +61,8 @@ sde_wb_connector_detect(struct drm_connector *connector,
return rc;
}
int sde_wb_connector_get_modes(struct drm_connector *connector, void *display)
int sde_wb_connector_get_modes(struct drm_connector *connector, void *display,
const struct msm_resource_caps_info *avail_res)
{
struct sde_wb_device *wb_dev;
int num_modes = 0;
@ -318,7 +319,7 @@ int sde_wb_get_info(struct drm_connector *connector,
int sde_wb_get_mode_info(struct drm_connector *connector,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info,
u32 max_mixer_width, void *display)
void *display, const struct msm_resource_caps_info *avail_res)
{
const u32 dual_lm = 2;
const u32 single_lm = 1;
@ -329,7 +330,8 @@ int sde_wb_get_mode_info(struct drm_connector *connector,
u16 hdisplay;
int i;
if (!drm_mode || !mode_info || !max_mixer_width || !display) {
if (!drm_mode || !mode_info || !avail_res ||
!avail_res->max_mixer_width || !display) {
pr_err("invalid params\n");
return -EINVAL;
}
@ -341,7 +343,8 @@ int sde_wb_get_mode_info(struct drm_connector *connector,
hdisplay = max(hdisplay, wb_dev->modes[i].hdisplay);
topology = &mode_info->topology;
topology->num_lm = (max_mixer_width <= hdisplay) ? dual_lm : single_lm;
topology->num_lm = (avail_res->max_mixer_width <= hdisplay) ?
dual_lm : single_lm;
topology->num_enc = no_enc;
topology->num_intf = single_intf;

View File

@ -158,12 +158,14 @@ sde_wb_connector_detect(struct drm_connector *connector,
* sde_wb_connector_get_modes - get display modes of connector
* @connector: Pointer to connector
* @display: Pointer to writeback device
* @avail_res: Pointer with curr available resources
* Returns: Number of modes
*
* If display modes are not specified in writeback configuration IOCTL, this
* function will install default EDID modes up to maximum resolution support.
*/
int sde_wb_connector_get_modes(struct drm_connector *connector, void *display);
int sde_wb_connector_get_modes(struct drm_connector *connector, void *display,
const struct msm_resource_caps_info *avail_res);
/**
* sde_wb_connector_set_property - set atomic connector property
@ -195,14 +197,14 @@ int sde_wb_get_info(struct drm_connector *connector,
* @connector: Pointer to drm connector structure
* @drm_mode: Display mode set for the display
* @mode_info: Out parameter. information of the mode.
* @max_mixer_width: max width supported by HW layer mixer
* @display: Pointer to private display structure
* @avail_res: Pointer with curr available resources
* Returns: zero on success
*/
int sde_wb_get_mode_info(struct drm_connector *connector,
const struct drm_display_mode *drm_mode,
struct msm_mode_info *mode_info, u32 max_mixer_width,
void *display);
struct msm_mode_info *mode_info,
void *display, const struct msm_resource_caps_info *avail_res);
/**
* sde_wb_connector_get_wb - retrieve writeback device of the given connector
@ -301,7 +303,8 @@ sde_wb_connector_detect(struct drm_connector *connector,
return connector_status_disconnected;
}
static inline
int sde_wb_connector_get_modes(struct drm_connector *connector, void *display)
int sde_wb_connector_get_modes(struct drm_connector *connector, void *display,
const struct msm_resource_caps_info *avail_res)
{
return -EINVAL;
}