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authorImre Deak <imre.deak@intel.com>2025-12-22 17:35:45 +0200
committerImre Deak <imre.deak@intel.com>2026-01-13 18:42:20 +0200
commit2b601460d1291310e4f04418eae2de93d0cc18d1 (patch)
treeb0481e7fc0b4017431cf93c62a0c99eecae6fa29 /drivers/gpu/drm
parent2b68b9b80f9ee75d4e7e159aa082dcd8c1e4e05c (diff)
drm/i915/dp: Unify computing compressed BPP for DP-SST and eDP
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
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 75ae8811442a..96fddb8c54c3 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -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;