diff options
| author | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-04-15 20:19:26 +0300 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-05-22 10:14:06 +0300 |
| commit | e6f756af381f80c064d1f94077b150f8d95b3dab (patch) | |
| tree | 25020cf87f2183ed3b662818dbd5a76da3d44fda /drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | |
| parent | 5a7a86bfa2cd79c80e4f3bdb01feb15edd08b92b (diff) | |
| download | linux-e6f756af381f80c064d1f94077b150f8d95b3dab.tar.xz | |
drm/msm/dpu: add HDMI output support
MSM8998 and the older Qualcomm platforms support HDMI outputs. Now as
DPU encoder is ready, add support for using INTF_HDMI.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Arnaud Vrac <rawoul@gmail.com>
Tested-by: Arnaud Vrac <rawoul@gmail.com> # on msm8998
Patchwork: https://patchwork.freedesktop.org/patch/532371/
Link: https://lore.kernel.org/r/20230415171926.85774-3-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 44 |
1 files changed, 44 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 e85e3721d2c7..717a44f135eb 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -617,6 +617,44 @@ static int _dpu_kms_initialize_displayport(struct drm_device *dev, return 0; } +static int _dpu_kms_initialize_hdmi(struct drm_device *dev, + struct msm_drm_private *priv, + struct dpu_kms *dpu_kms) +{ + struct drm_encoder *encoder = NULL; + struct msm_display_info info; + int rc; + + if (!priv->hdmi) + return 0; + + encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_TMDS); + if (IS_ERR(encoder)) { + DPU_ERROR("encoder init failed for HDMI display\n"); + return PTR_ERR(encoder); + } + + memset(&info, 0, sizeof(info)); + rc = msm_hdmi_modeset_init(priv->hdmi, dev, encoder); + if (rc) { + DPU_ERROR("modeset_init failed for DP, rc = %d\n", rc); + drm_encoder_cleanup(encoder); + return rc; + } + + info.num_of_h_tiles = 1; + info.h_tile_instance[0] = 0; + info.intf_type = INTF_HDMI; + rc = dpu_encoder_setup(dev, encoder, &info); + if (rc) { + DPU_ERROR("failed to setup DPU encoder %d: rc:%d\n", + encoder->base.id, rc); + return rc; + } + + return 0; +} + static int _dpu_kms_initialize_writeback(struct drm_device *dev, struct msm_drm_private *priv, struct dpu_kms *dpu_kms, const u32 *wb_formats, int n_formats) @@ -683,6 +721,12 @@ static int _dpu_kms_setup_displays(struct drm_device *dev, return rc; } + rc = _dpu_kms_initialize_hdmi(dev, priv, dpu_kms); + if (rc) { + DPU_ERROR("initialize HDMI failed, rc = %d\n", rc); + return rc; + } + /* Since WB isn't a driver check the catalog before initializing */ if (dpu_kms->catalog->wb_count) { for (i = 0; i < dpu_kms->catalog->wb_count; i++) { |