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drm/msm/dp: Reorganize code to avoid forward declaration 

Let's move these functions around to avoid having to forward declare
dp_ctrl_on_stream_phy_test_report(). Also remove
dp_ctrl_reinitialize_mainlink() forward declaration because we're doing
that sort of task.

Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/490771/
Link: https://lore.kernel.org/r/20220623002540.871994-2-swboyd@chromium.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Stephen Boyd 2022-06-22 17:25:38 -07:00 committed by Rob Clark
parent 3cde792a55
commit c24df3fa03
1 changed files with 50 additions and 54 deletions
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104
drivers/gpu/drm/msm/dp/dp_ctrl.c
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@ -1238,8 +1238,6 @@ static int dp_ctrl_link_train_2(struct dp_ctrl_private *ctrl,
return -ETIMEDOUT;
}
static int dp_ctrl_reinitialize_mainlink(struct dp_ctrl_private *ctrl);
static int dp_ctrl_link_train(struct dp_ctrl_private *ctrl,
int *training_step)
{
@ -1535,38 +1533,6 @@ end:
return ret;
}
static int dp_ctrl_on_stream_phy_test_report(struct dp_ctrl *dp_ctrl);
static int dp_ctrl_process_phy_test_request(struct dp_ctrl_private *ctrl)
{
int ret = 0;
if (!ctrl->link->phy_params.phy_test_pattern_sel) {
drm_dbg_dp(ctrl->drm_dev,
"no test pattern selected by sink\n");
return ret;
}
/*
* The global reset will need DP link related clocks to be
* running. Add the global reset just before disabling the
* link clocks and core clocks.
*/
ret = dp_ctrl_off(&ctrl->dp_ctrl);
if (ret) {
DRM_ERROR("failed to disable DP controller\n");
return ret;
}
ret = dp_ctrl_on_link(&ctrl->dp_ctrl);
if (!ret)
ret = dp_ctrl_on_stream_phy_test_report(&ctrl->dp_ctrl);
else
DRM_ERROR("failed to enable DP link controller\n");
return ret;
}
static bool dp_ctrl_send_phy_test_pattern(struct dp_ctrl_private *ctrl)
{
bool success = false;
@ -1619,6 +1585,56 @@ static bool dp_ctrl_send_phy_test_pattern(struct dp_ctrl_private *ctrl)
return success;
}
static int dp_ctrl_on_stream_phy_test_report(struct dp_ctrl *dp_ctrl)
{
int ret;
struct dp_ctrl_private *ctrl;
ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl);
ctrl->dp_ctrl.pixel_rate = ctrl->panel->dp_mode.drm_mode.clock;
ret = dp_ctrl_enable_stream_clocks(ctrl);
if (ret) {
DRM_ERROR("Failed to start pixel clocks. ret=%d\n", ret);
return ret;
}
dp_ctrl_send_phy_test_pattern(ctrl);
return 0;
}
static int dp_ctrl_process_phy_test_request(struct dp_ctrl_private *ctrl)
{
int ret = 0;
if (!ctrl->link->phy_params.phy_test_pattern_sel) {
drm_dbg_dp(ctrl->drm_dev,
"no test pattern selected by sink\n");
return ret;
}
/*
* The global reset will need DP link related clocks to be
* running. Add the global reset just before disabling the
* link clocks and core clocks.
*/
ret = dp_ctrl_off(&ctrl->dp_ctrl);
if (ret) {
DRM_ERROR("failed to disable DP controller\n");
return ret;
}
ret = dp_ctrl_on_link(&ctrl->dp_ctrl);
if (!ret)
ret = dp_ctrl_on_stream_phy_test_report(&ctrl->dp_ctrl);
else
DRM_ERROR("failed to enable DP link controller\n");
return ret;
}
void dp_ctrl_handle_sink_request(struct dp_ctrl *dp_ctrl)
{
struct dp_ctrl_private *ctrl;
@ -1816,26 +1832,6 @@ static int dp_ctrl_link_retrain(struct dp_ctrl_private *ctrl)
return dp_ctrl_setup_main_link(ctrl, &training_step);
}
static int dp_ctrl_on_stream_phy_test_report(struct dp_ctrl *dp_ctrl)
{
int ret;
struct dp_ctrl_private *ctrl;
ctrl = container_of(dp_ctrl, struct dp_ctrl_private, dp_ctrl);
ctrl->dp_ctrl.pixel_rate = ctrl->panel->dp_mode.drm_mode.clock;
ret = dp_ctrl_enable_stream_clocks(ctrl);
if (ret) {
DRM_ERROR("Failed to start pixel clocks. ret=%d\n", ret);
return ret;
}
dp_ctrl_send_phy_test_pattern(ctrl);
return 0;
}
int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl, bool force_link_train)
{
int ret = 0;