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Code Issues Releases Wiki Activity

drm/msm/dpu: support setting up two independent DSI connectors

Browse source 
Move setting up encoders from set_encoder_mode to
_dpu_kms_initialize_dsi() / _dpu_kms_initialize_displayport(). This
allows us to support not only "single DSI" and "bonded DSI" but also "two
independent DSI" configurations. In future this would also help adding
support for multiple DP connectors.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Link: https://lore.kernel.org/r/20210717124016.316020-4-dmitry.baryshkov@linaro.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Dmitry Baryshkov 2021-07-17 15:40:12 +03:00 committed by Rob Clark
parent f518f6c111
commit a2f3d32f14
1 changed files with 57 additions and 45 deletions
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102
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
View file

@ -471,30 +471,68 @@ static int _dpu_kms_initialize_dsi(struct drm_device *dev,
struct dpu_kms *dpu_kms)
{
struct drm_encoder *encoder = NULL;
struct msm_display_info info;
int i, rc = 0;
if (!(priv->dsi[0] || priv->dsi[1]))
return rc;
/*TODO: Support two independent DSI connectors */
encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_DSI);
if (IS_ERR(encoder)) {
DPU_ERROR("encoder init failed for dsi display\n");
return PTR_ERR(encoder);
}
priv->encoders[priv->num_encoders++] = encoder;
/*
* We support following confiurations:
* - Single DSI host (dsi0 or dsi1)
* - Two independent DSI hosts
* - Bonded DSI0 and DSI1 hosts
*
* TODO: Support swapping DSI0 and DSI1 in the bonded setup.
*/
for (i = 0; i < ARRAY_SIZE(priv->dsi); i++) {
int other = (i + 1) % 2;
if (!priv->dsi[i])
continue;
if (msm_dsi_is_bonded_dsi(priv->dsi[i]) &&
!msm_dsi_is_master_dsi(priv->dsi[i]))
continue;
encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_DSI);
if (IS_ERR(encoder)) {
DPU_ERROR("encoder init failed for dsi display\n");
return PTR_ERR(encoder);
}
priv->encoders[priv->num_encoders++] = encoder;
memset(&info, 0, sizeof(info));
info.intf_type = encoder->encoder_type;
rc = msm_dsi_modeset_init(priv->dsi[i], dev, encoder);
if (rc) {
DPU_ERROR("modeset_init failed for dsi[%d], rc = %d\n",
i, rc);
break;
}
info.h_tile_instance[info.num_of_h_tiles++] = i;
info.capabilities = msm_dsi_is_cmd_mode(priv->dsi[i]) ?
MSM_DISPLAY_CAP_CMD_MODE :
MSM_DISPLAY_CAP_VID_MODE;
if (msm_dsi_is_bonded_dsi(priv->dsi[i]) && priv->dsi[other]) {
rc = msm_dsi_modeset_init(priv->dsi[other], dev, encoder);
if (rc) {
DPU_ERROR("modeset_init failed for dsi[%d], rc = %d\n",
other, rc);
break;
}
info.h_tile_instance[info.num_of_h_tiles++] = other;
}
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;
@ -505,6 +543,7 @@ static int _dpu_kms_initialize_displayport(struct drm_device *dev,
struct dpu_kms *dpu_kms)
{
struct drm_encoder *encoder = NULL;
struct msm_display_info info;
int rc = 0;
if (!priv->dp)
@ -516,6 +555,7 @@ static int _dpu_kms_initialize_displayport(struct drm_device *dev,
return PTR_ERR(encoder);
}
memset(&info, 0, sizeof(info));
rc = msm_dp_modeset_init(priv->dp, dev, encoder);
if (rc) {
DPU_ERROR("modeset_init failed for DP, rc = %d\n", rc);
@ -524,6 +564,14 @@ static int _dpu_kms_initialize_displayport(struct drm_device *dev,
}
priv->encoders[priv->num_encoders++] = encoder;
info.num_of_h_tiles = 1;
info.capabilities = MSM_DISPLAY_CAP_VID_MODE;
info.intf_type = encoder->encoder_type;
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;
}
@ -726,41 +774,6 @@ static void dpu_kms_destroy(struct msm_kms *kms)
msm_kms_destroy(&dpu_kms->base);
}
static void _dpu_kms_set_encoder_mode(struct msm_kms *kms,
struct drm_encoder *encoder,
bool cmd_mode)
{
struct msm_display_info info;
struct msm_drm_private *priv = encoder->dev->dev_private;
int i, rc = 0;
memset(&info, 0, sizeof(info));
info.intf_type = encoder->encoder_type;
info.capabilities = cmd_mode ? MSM_DISPLAY_CAP_CMD_MODE :
MSM_DISPLAY_CAP_VID_MODE;
switch (info.intf_type) {
case DRM_MODE_ENCODER_DSI:
/* TODO: No support for DSI swap */
for (i = 0; i < ARRAY_SIZE(priv->dsi); i++) {
if (priv->dsi[i]) {
info.h_tile_instance[info.num_of_h_tiles] = i;
info.num_of_h_tiles++;
}
}
break;
case DRM_MODE_ENCODER_TMDS:
info.num_of_h_tiles = 1;
break;
}
rc = dpu_encoder_setup(encoder->dev, encoder, &info);
if (rc)
DPU_ERROR("failed to setup DPU encoder %d: rc:%d\n",
encoder->base.id, rc);
}
static irqreturn_t dpu_irq(struct msm_kms *kms)
{
struct dpu_kms *dpu_kms = to_dpu_kms(kms);
@ -863,7 +876,6 @@ static const struct msm_kms_funcs kms_funcs = {
.get_format = dpu_get_msm_format,
.round_pixclk = dpu_kms_round_pixclk,
.destroy = dpu_kms_destroy,
.set_encoder_mode = _dpu_kms_set_encoder_mode,
.snapshot = dpu_kms_mdp_snapshot,
#ifdef CONFIG_DEBUG_FS
.debugfs_init = dpu_kms_debugfs_init,