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authorTanmay Shah <tanmay@codeaurora.org>2020-08-27 14:16:58 -0700
committerRob Clark <robdclark@chromium.org>2020-09-15 10:54:34 -0700
commit220b856a3d3742a22831cb6cd94e48133a58d30e (patch)
treeb2ab2fcb2a4b41a61e5cdd94156d7afc16996cf2 /drivers/gpu/drm/msm/disp
parenta10476e45026fefe782c444a39c6fc5d4999a6ac (diff)
drm/msm/dp: Add Display Port HPD feature
Configure HPD registers in DP controller and enable HPD interrupt. Add interrupt to handle HPD connect and disconnect events. Changes in v8: None Signed-off-by: Tanmay Shah <tanmay@codeaurora.org> Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/disp')
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 3469f6ef792e..bcb5ee50568c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -774,6 +774,23 @@ static void dpu_irq_preinstall(struct msm_kms *kms)
dpu_core_irq_preinstall(dpu_kms);
}
+static int dpu_irq_postinstall(struct msm_kms *kms)
+{
+ struct msm_drm_private *priv;
+ struct dpu_kms *dpu_kms = to_dpu_kms(kms);
+
+ if (!dpu_kms || !dpu_kms->dev)
+ return -EINVAL;
+
+ priv = dpu_kms->dev->dev_private;
+ if (!priv)
+ return -EINVAL;
+
+ msm_dp_irq_postinstall(priv->dp);
+
+ return 0;
+}
+
static void dpu_irq_uninstall(struct msm_kms *kms)
{
struct dpu_kms *dpu_kms = to_dpu_kms(kms);
@@ -784,6 +801,7 @@ static void dpu_irq_uninstall(struct msm_kms *kms)
static const struct msm_kms_funcs kms_funcs = {
.hw_init = dpu_kms_hw_init,
.irq_preinstall = dpu_irq_preinstall,
+ .irq_postinstall = dpu_irq_postinstall,
.irq_uninstall = dpu_irq_uninstall,
.irq = dpu_irq,
.enable_commit = dpu_kms_enable_commit,