On 16/11/2021 09:22, Vinod Koul wrote:
When DSC is enabled, we need to pass the DSC parameters to panel driver as well, so add a dsc parameter in panel and set it when DSC is enabled
Signed-off-by: Vinod Koul vkoul@kernel.org
drivers/gpu/drm/msm/dsi/dsi_host.c | 16 +++++++++++++++- include/drm/drm_panel.h | 7 +++++++ 2 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 2c14c36f0b3d..3d5773fcf496 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -2159,11 +2159,25 @@ int msm_dsi_host_modeset_init(struct mipi_dsi_host *host, struct msm_dsi_host *msm_host = to_msm_dsi_host(host); const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd; struct msm_drm_private *priv;
struct drm_panel *panel; int ret;
msm_host->dev = dev;
panel = msm_dsi_host_get_panel(&msm_host->base); priv = dev->dev_private;
- priv->dsc = msm_host->dsc;
- if (panel && panel->dsc) {
struct msm_display_dsc_config *dsc = priv->dsc;if (!dsc) {dsc = kzalloc(sizeof(*dsc), GFP_KERNEL);
devm_kzalloc()?
Or even simpler: embed msm_display_dsc_config into struct msm_dsi_host and use it only if dsc->drm is set (IOW the panel provided DSC data)?
if (!dsc)return -ENOMEM;dsc->drm = panel->dsc;priv->dsc = dsc;msm_host->dsc = dsc;}}
ret = cfg_hnd->ops->tx_buf_alloc(msm_host, SZ_4K); if (ret) {
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h index 4602f833eb51..eb8ae9bf32ed 100644 --- a/include/drm/drm_panel.h +++ b/include/drm/drm_panel.h @@ -171,6 +171,13 @@ struct drm_panel { * Panel entry in registry. */ struct list_head list;
/**
* @dsc:** Panel DSC pps payload to be sent*/struct drm_dsc_config *dsc; };
void drm_panel_init(struct drm_panel *panel, struct device *dev,