github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-24 23:22:31 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/i915/dp: Export intel_dp_dsc_min_src_compressed_bpp()

Browse Source 
Export the function that can be used by a follow-up change to query the
minimum compressed link bpp supported by the HW.

Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://lore.kernel.org/r/20250509180340.554867-11-imre.deak@intel.com
This commit is contained in:
Imre Deak 2025-05-09 21:03:37 +03:00
parent a43a02d8f5
commit 67e12c64b4
2 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/i915/display/intel_dp.c
View File

@ -2071,7 +2071,7 @@ int intel_dp_dsc_sink_max_compressed_bpp(const struct intel_connector *connector
pipe_config, bpc) >> 4;
}
static int dsc_src_min_compressed_bpp(void)
int intel_dp_dsc_min_src_compressed_bpp(void)
{
/* Min Compressed bpp supported by source is 8 */
return 8;
@ -2482,7 +2482,7 @@ intel_dp_compute_config_link_bpp_limits(struct intel_dp *intel_dp,
int dsc_src_min_bpp, dsc_sink_min_bpp, dsc_min_bpp;
int dsc_src_max_bpp, dsc_sink_max_bpp, dsc_max_bpp;
dsc_src_min_bpp = dsc_src_min_compressed_bpp();
dsc_src_min_bpp = intel_dp_dsc_min_src_compressed_bpp();
dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(crtc_state);
dsc_min_bpp = max(dsc_src_min_bpp, dsc_sink_min_bpp);
limits->link.min_bpp_x16 = fxp_q4_from_int(dsc_min_bpp);

1
drivers/gpu/drm/i915/display/intel_dp.h
View File

@ -208,6 +208,7 @@ bool intel_dp_has_connector(struct intel_dp *intel_dp,
const struct drm_connector_state *conn_state);
int intel_dp_dsc_max_src_input_bpc(struct intel_display *display);
int intel_dp_dsc_min_src_input_bpc(void);
int intel_dp_dsc_min_src_compressed_bpp(void);
int intel_dp_compute_min_hblank(struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);