diff options
author | Tanmay Shah <tanmay@codeaurora.org> | 2020-08-27 14:16:58 -0700 |
---|---|---|
committer | Rob Clark <robdclark@chromium.org> | 2020-09-15 10:54:34 -0700 |
commit | 220b856a3d3742a22831cb6cd94e48133a58d30e (patch) | |
tree | b2ab2fcb2a4b41a61e5cdd94156d7afc16996cf2 /drivers/gpu/drm/msm/disp | |
parent | a10476e45026fefe782c444a39c6fc5d4999a6ac (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.c | 18 |
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, |