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drm/i915/dp: Unify computing compressed BPP for DP-SST and eDP

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Move computing the eDP compressed BPP value to the function computing
this for DP, allowing further simplifications later.

Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20251222153547.713360-19-imre.deak@intel.com
This commit is contained in:
Imre Deak
2025-12-22 17:35:45 +02:00
parent 2b68b9b80f
commit 2b601460d1
1 changed files with 13 additions and 8 deletions
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21
drivers/gpu/drm/i915/display/intel_dp.c
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@@ -2227,6 +2227,14 @@ static int dsc_compute_compressed_bpp(struct intel_dp *intel_dp,
max_bpp_x16 = align_max_compressed_bpp_x16(connector, pipe_config->output_format,
pipe_bpp, max_bpp_x16);
if (intel_dp_is_edp(intel_dp)) {
pipe_config->port_clock = limits->max_rate;
pipe_config->lane_count = limits->max_lane_count;
pipe_config->dsc.compressed_bpp_x16 = max_bpp_x16;
return 0;
}
for (bpp_x16 = max_bpp_x16; bpp_x16 >= min_bpp_x16; bpp_x16 -= bpp_step_x16) {
if (!intel_dp_dsc_valid_compressed_bpp(intel_dp, bpp_x16))
@@ -2319,9 +2327,8 @@ static int intel_edp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp,
struct drm_connector_state *conn_state,
const struct link_config_limits *limits)
{
struct intel_connector *connector =
to_intel_connector(conn_state->connector);
int pipe_bpp, forced_bpp;
int ret;
forced_bpp = intel_dp_force_dsc_pipe_bpp(intel_dp, limits);
if (forced_bpp)
@@ -2329,12 +2336,10 @@ static int intel_edp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp,
else
pipe_bpp = limits->pipe.max_bpp;
pipe_config->port_clock = limits->max_rate;
pipe_config->lane_count = limits->max_lane_count;
pipe_config->dsc.compressed_bpp_x16 =
align_max_compressed_bpp_x16(connector, pipe_config->output_format,
pipe_bpp, limits->link.max_bpp_x16);
ret = dsc_compute_compressed_bpp(intel_dp, pipe_config, conn_state,
limits, pipe_bpp);
if (ret)
return -EINVAL;
pipe_config->pipe_bpp = pipe_bpp;