| Message ID | 20210521124946.3617862-2-vkoul@kernel.org |
|---|---|
| State | New |
| Headers | show |
| Series | drm/msm: Add Display Stream Compression Support | expand |
On 21-05-21, 17:29, Daniel Vetter wrote: > On Fri, May 21, 2021 at 06:19:30PM +0530, Vinod Koul wrote: > > We required a helper to create and set the dsc_dce_header, so add the > > dsc_dce_header and API drm_dsc_dsi_pps_header_init > > > > Signed-off-by: Vinod Koul <vkoul@kernel.org> > > --- > > drivers/gpu/drm/drm_dsc.c | 11 +++++++++++ > > include/drm/drm_dsc.h | 16 ++++++++++++++++ > > 2 files changed, 27 insertions(+) > > > > diff --git a/drivers/gpu/drm/drm_dsc.c b/drivers/gpu/drm/drm_dsc.c > > index ff602f7ec65b..0c1b745090e2 100644 > > --- a/drivers/gpu/drm/drm_dsc.c > > +++ b/drivers/gpu/drm/drm_dsc.c > > @@ -49,6 +49,17 @@ void drm_dsc_dp_pps_header_init(struct dp_sdp_header *pps_header) > > } > > EXPORT_SYMBOL(drm_dsc_dp_pps_header_init); > > > > +void drm_dsc_dsi_pps_header_init(struct dsc_dce_header *dsc_header) > > Kerneldoc for anything exported to drivers please, also ideally for all > the structures. Sorry missed that, will add -- ~Vinod
diff --git a/drivers/gpu/drm/drm_dsc.c b/drivers/gpu/drm/drm_dsc.c index ff602f7ec65b..0c1b745090e2 100644 --- a/drivers/gpu/drm/drm_dsc.c +++ b/drivers/gpu/drm/drm_dsc.c @@ -49,6 +49,17 @@ void drm_dsc_dp_pps_header_init(struct dp_sdp_header *pps_header) } EXPORT_SYMBOL(drm_dsc_dp_pps_header_init); +void drm_dsc_dsi_pps_header_init(struct dsc_dce_header *dsc_header) +{ + memset(dsc_header, 0, sizeof(*dsc_header)); + + dsc_header->bp0 = 0x0A; + dsc_header->bp1 = 1; + dsc_header->bp4 = 10; + dsc_header->bp6 = 128; +} +EXPORT_SYMBOL(drm_dsc_dsi_pps_header_init); + /** * drm_dsc_dp_rc_buffer_size - get rc buffer size in bytes * @rc_buffer_block_size: block size code, according to DPCD offset 62h diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h index bbe120f461e5..5a3bbeb3e12f 100644 --- a/include/drm/drm_dsc.h +++ b/include/drm/drm_dsc.h @@ -602,8 +602,24 @@ struct drm_dsc_pps_infoframe { struct drm_dsc_picture_parameter_set pps_payload; } __packed; +struct dsc_dce_header { + u8 bp0; + u8 bp1; + u8 bp2; + u8 bp3; + u8 bp4; + u8 bp5; + u8 bp6; +} __packed; + +struct drm_dsi_dsc_infoframe { + struct dsc_dce_header dsc_header; + struct drm_dsc_picture_parameter_set pps_payload; +} __packed; + void drm_dsc_dp_pps_header_init(struct dp_sdp_header *pps_header); int drm_dsc_dp_rc_buffer_size(u8 rc_buffer_block_size, u8 rc_buffer_size); +void drm_dsc_dsi_pps_header_init(struct dsc_dce_header *dsc_header); void drm_dsc_pps_payload_pack(struct drm_dsc_picture_parameter_set *pps_sdp, const struct drm_dsc_config *dsc_cfg); int drm_dsc_compute_rc_parameters(struct drm_dsc_config *vdsc_cfg);
We required a helper to create and set the dsc_dce_header, so add the dsc_dce_header and API drm_dsc_dsi_pps_header_init Signed-off-by: Vinod Koul <vkoul@kernel.org> --- drivers/gpu/drm/drm_dsc.c | 11 +++++++++++ include/drm/drm_dsc.h | 16 ++++++++++++++++ 2 files changed, 27 insertions(+)