diff options
| author | Stephen Boyd <swboyd@chromium.org> | 2023-08-29 11:47:27 -0700 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-10-09 12:17:46 +0300 |
| commit | b7ba5db9c863a9981202862673bf6b13f2765021 (patch) | |
| tree | 63b7d6c54ad5f8df66aca9452e26749a2fb1f783 /drivers/gpu/drm/msm/dp | |
| parent | 744077f94e431214c10a2802a189a26ed57dd264 (diff) | |
drm/msm/dp: Use drm_dp_read_sink_count() helper
Use the common function drm_dp_read_sink_count() instead of open-coding
it. This shrinks the kernel text a tiny bit.
Cc: Vinod Polimera <quic_vpolimer@quicinc.com>
Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/554983/
Link: https://lore.kernel.org/r/20230829184735.2841739-3-swboyd@chromium.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'drivers/gpu/drm/msm/dp')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_panel.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c index 09d4f6c38ef8..a0523b18b9e9 100644 --- a/drivers/gpu/drm/msm/dp/dp_panel.c +++ b/drivers/gpu/drm/msm/dp/dp_panel.c @@ -147,8 +147,8 @@ static int dp_panel_update_modes(struct drm_connector *connector, int dp_panel_read_sink_caps(struct dp_panel *dp_panel, struct drm_connector *connector) { - int rc = 0, bw_code; - int rlen, count; + int rc, bw_code; + int count; struct dp_panel_private *panel; if (!dp_panel || !connector) { @@ -174,16 +174,11 @@ int dp_panel_read_sink_caps(struct dp_panel *dp_panel, } if (dp_panel->dfp_present) { - rlen = drm_dp_dpcd_read(panel->aux, DP_SINK_COUNT, - &count, 1); - if (rlen == 1) { - count = DP_GET_SINK_COUNT(count); - if (!count) { - DRM_ERROR("no downstream ports connected\n"); - panel->link->sink_count = 0; - rc = -ENOTCONN; - goto end; - } + count = drm_dp_read_sink_count(panel->aux); + if (!count) { + DRM_ERROR("no downstream ports connected\n"); + panel->link->sink_count = 0; + return -ENOTCONN; } } |