diff options
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_aux.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_catalog.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_catalog.h | 3 |
3 files changed, 9 insertions, 6 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_aux.c b/drivers/gpu/drm/msm/dp/dp_aux.c index f98d089ea5b1..707489776e91 100644 --- a/drivers/gpu/drm/msm/dp/dp_aux.c +++ b/drivers/gpu/drm/msm/dp/dp_aux.c @@ -325,7 +325,8 @@ static ssize_t dp_aux_transfer(struct drm_dp_aux *dp_aux, * avoid ever doing the extra long wait for DP. */ if (aux->is_edp) { - ret = dp_catalog_aux_wait_for_hpd_connect_state(aux->catalog); + ret = dp_catalog_aux_wait_for_hpd_connect_state(aux->catalog, + 500000); if (ret) { DRM_DEBUG_DP("Panel not ready for aux transactions\n"); goto exit; @@ -533,7 +534,7 @@ static int dp_wait_hpd_asserted(struct drm_dp_aux *dp_aux, aux = container_of(dp_aux, struct dp_aux_private, dp_aux); pm_runtime_get_sync(aux->dev); - ret = dp_catalog_aux_wait_for_hpd_connect_state(aux->catalog); + ret = dp_catalog_aux_wait_for_hpd_connect_state(aux->catalog, wait_us); pm_runtime_put_sync(aux->dev); return ret; diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.c b/drivers/gpu/drm/msm/dp/dp_catalog.c index 3e7c84cdef47..628c8181ddd4 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.c +++ b/drivers/gpu/drm/msm/dp/dp_catalog.c @@ -263,17 +263,18 @@ void dp_catalog_aux_enable(struct dp_catalog *dp_catalog, bool enable) dp_write_aux(catalog, REG_DP_AUX_CTRL, aux_ctrl); } -int dp_catalog_aux_wait_for_hpd_connect_state(struct dp_catalog *dp_catalog) +int dp_catalog_aux_wait_for_hpd_connect_state(struct dp_catalog *dp_catalog, + unsigned long wait_us) { u32 state; struct dp_catalog_private *catalog = container_of(dp_catalog, struct dp_catalog_private, dp_catalog); - /* poll for hpd connected status every 2ms and timeout after 500ms */ + /* poll for hpd connected status every 2ms and timeout after wait_us */ return readl_poll_timeout(catalog->io.aux.base + REG_DP_DP_HPD_INT_STATUS, state, state & DP_DP_HPD_STATE_STATUS_CONNECTED, - 2000, 500000); + min(wait_us, 2000), wait_us); } static void dump_regs(void __iomem *base, int len) diff --git a/drivers/gpu/drm/msm/dp/dp_catalog.h b/drivers/gpu/drm/msm/dp/dp_catalog.h index 75ec290127c7..72a85810607e 100644 --- a/drivers/gpu/drm/msm/dp/dp_catalog.h +++ b/drivers/gpu/drm/msm/dp/dp_catalog.h @@ -87,7 +87,8 @@ int dp_catalog_aux_clear_trans(struct dp_catalog *dp_catalog, bool read); int dp_catalog_aux_clear_hw_interrupts(struct dp_catalog *dp_catalog); void dp_catalog_aux_reset(struct dp_catalog *dp_catalog); void dp_catalog_aux_enable(struct dp_catalog *dp_catalog, bool enable); -int dp_catalog_aux_wait_for_hpd_connect_state(struct dp_catalog *dp_catalog); +int dp_catalog_aux_wait_for_hpd_connect_state(struct dp_catalog *dp_catalog, + unsigned long wait_us); u32 dp_catalog_aux_get_irq(struct dp_catalog *dp_catalog); /* DP Controller APIs */ |