| Message ID | 20210717124016.316020-4-dmitry.baryshkov@linaro.org |
|---|---|
| State | Accepted |
| Commit | a2f3d32f1434becbd17b255c5072b7a20b13292a |
| Headers | show |
| Series | drm/msm/dpu: add support for independent DSI config | expand |
On Sat 17 Jul 07:40 CDT 2021, Dmitry Baryshkov wrote: > 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> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Regards, Bjorn > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 102 +++++++++++++----------- > 1 file changed, 57 insertions(+), 45 deletions(-) > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c > index 1d3a4f395e74..3cd2011e18d4 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c > @@ -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, > -- > 2.30.2 >
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 1d3a4f395e74..3cd2011e18d4 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -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,