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drm/i915/dp: Separate out helper for compute fec_enable

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Make a separate function for setting fec_enable in crtc_state.

v2: Rename helper to align with encoder->compute_config() callback
and other minor fixes. (Jani)

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241217093244.3938132-4-ankit.k.nautiyal@intel.com
This commit is contained in:
Ankit Nautiyal
2024-12-17 15:02:33 +05:30
parent adaa2cb663
commit dc697ce89b
1 changed files with 25 additions and 9 deletions
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34
drivers/gpu/drm/i915/display/intel_dp.c
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@@ -2350,6 +2350,30 @@ static int intel_edp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp,
return 0;
}
static void intel_dp_fec_compute_config(struct intel_dp *intel_dp,
const struct intel_connector *connector,
struct intel_crtc_state *crtc_state)
{
if (crtc_state->fec_enable)
return;
/*
* Though eDP v1.5 supports FEC with DSC, unlike DP, it is optional.
* Since, FEC is a bandwidth overhead, continue to not enable it for
* eDP. Until, there is a good reason to do so.
*/
if (intel_dp_is_edp(intel_dp))
return;
if (!intel_dp_supports_fec(intel_dp, connector, crtc_state))
return;
if (intel_dp_is_uhbr(crtc_state))
return;
crtc_state->fec_enable = true;
}
int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
struct intel_crtc_state *pipe_config,
struct drm_connector_state *conn_state,
@@ -2365,15 +2389,7 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
int num_joined_pipes = intel_crtc_num_joined_pipes(pipe_config);
int ret;
/*
* Though eDP v1.5 supports FEC with DSC, unlike DP, it is optional.
* Since, FEC is a bandwidth overhead, continue to not enable it for
* eDP. Until, there is a good reason to do so.
*/
pipe_config->fec_enable = pipe_config->fec_enable ||
(!intel_dp_is_edp(intel_dp) &&
intel_dp_supports_fec(intel_dp, connector, pipe_config) &&
!intel_dp_is_uhbr(pipe_config));
intel_dp_fec_compute_config(intel_dp, connector, pipe_config);
if (!intel_dp_dsc_supports_format(connector, pipe_config->output_format))
return -EINVAL;