diff options
| author | Ankit Nautiyal <ankit.k.nautiyal@intel.com> | 2023-08-24 18:21:21 +0530 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2023-08-30 14:50:17 +0300 |
| commit | a10ca2afb8d3c055b3eae6aecd0c944185c99e48 (patch) | |
| tree | 60423b3d6fc59ad6aa9c550b022eec3dcae306e2 | |
| parent | 10eaac085bfe0b3cf7ffd7406375d3f3bc817a95 (diff) | |
drivers/drm/i915: Honor limits->max_bpp while computing DSC max input bpp
Edid specific BPC constraints are stored in limits->max_bpp. Honor these
limits while computing the input bpp for DSC.
v2: Use int instead of u8 for computations. (Jani)
Add closes tag. (Ankit)
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/9161
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230824125121.840298-3-ankit.k.nautiyal@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 05694e0b6143..9d303caf969e 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2061,9 +2061,10 @@ static int intel_edp_dsc_compute_pipe_bpp(struct intel_dp *intel_dp, if (forced_bpp) { pipe_bpp = forced_bpp; } else { + int max_bpc = min(limits->max_bpp / 3, (int)conn_state->max_requested_bpc); + /* For eDP use max bpp that can be supported with DSC. */ - pipe_bpp = intel_dp_dsc_compute_max_bpp(intel_dp, - conn_state->max_requested_bpc); + pipe_bpp = intel_dp_dsc_compute_max_bpp(intel_dp, max_bpc); if (!is_dsc_pipe_bpp_sufficient(i915, conn_state, limits, pipe_bpp)) { drm_dbg_kms(&i915->drm, "Computed BPC is not in DSC BPC limits\n"); |