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drm/i915/dp_mst: Use helpers to get dsc min/max input bpc

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Use helpers for source min/max input bpc with DSC.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241217093244.3938132-8-ankit.k.nautiyal@intel.com
This commit is contained in:
Ankit Nautiyal 2024-12-17 15:02:37 +05:30
parent eeb9632dfe
commit 1db9bd98e7
3 changed files with 7 additions and 10 deletions
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2
drivers/gpu/drm/i915/display/intel_dp.c
View File

@ -1783,7 +1783,6 @@ intel_dp_compute_link_config_wide(struct intel_dp *intel_dp,
return -EINVAL;
}
static
int intel_dp_dsc_max_src_input_bpc(struct intel_display *display)
{
/* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */
@ -2187,7 +2186,6 @@ static int dsc_compute_compressed_bpp(struct intel_dp *intel_dp,
dsc_max_bpp, dsc_min_bpp, pipe_bpp, timeslots);
}
static
int intel_dp_dsc_min_src_input_bpc(void)
{
/* Min DSC Input BPC for ICL+ is 8 */

2
drivers/gpu/drm/i915/display/intel_dp.h
View File

@ -207,5 +207,7 @@ bool intel_dp_link_params_valid(struct intel_dp *intel_dp, int link_rate,
u8 lane_count);
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);
#endif /* __INTEL_DP_H__ */

13
drivers/gpu/drm/i915/display/intel_dp_mst.c
View File

@ -396,17 +396,14 @@ static int mst_stream_dsc_compute_link_config(struct intel_dp *intel_dp,
int i, num_bpc;
u8 dsc_bpc[3] = {};
int min_bpp, max_bpp, sink_min_bpp, sink_max_bpp;
u8 dsc_max_bpc;
int dsc_max_bpc, dsc_min_bpc;
int min_compressed_bpp, max_compressed_bpp;
/* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */
if (DISPLAY_VER(display) >= 12)
dsc_max_bpc = min_t(u8, 12, conn_state->max_requested_bpc);
else
dsc_max_bpc = min_t(u8, 10, conn_state->max_requested_bpc);
dsc_max_bpc = intel_dp_dsc_max_src_input_bpc(display);
dsc_min_bpc = intel_dp_dsc_min_src_input_bpc();
max_bpp = min_t(u8, dsc_max_bpc * 3, limits->pipe.max_bpp);
min_bpp = limits->pipe.min_bpp;
max_bpp = min(dsc_max_bpc * 3, limits->pipe.max_bpp);
min_bpp = max(dsc_min_bpc * 3, limits->pipe.min_bpp);
num_bpc = drm_dp_dsc_sink_supported_input_bpcs(connector->dp.dsc_dpcd,
dsc_bpc);