mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-04 02:34:10 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/msm/dpu: add HDMI output support

Browse Source 
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>
This commit is contained in:
Dmitry Baryshkov
2023-04-15 20:19:26 +03:00
parent 5a7a86bfa2
commit e6f756af38
1 changed files with 44 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
View File

@@ -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++) {