[PATCH 06/10] drm/i915/dp: Export intel_dp_dsc_min_src_compressed_bpp()

Imre Deak imre.deak at intel.com
Tue Apr 8 21:43:36 UTC 2025


Export the function that can be used by a follow-up change to query the
minimum compressed link bpp supported by the HW.

Signed-off-by: Imre Deak <imre.deak at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 4 ++--
 drivers/gpu/drm/i915/display/intel_dp.h | 1 +
 2 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 881852390bb81..9c15608cc06f7 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2071,7 +2071,7 @@ int intel_dp_dsc_sink_max_compressed_bpp(const struct intel_connector *connector
 						       pipe_config, bpc) >> 4;
 }
 
-static int dsc_src_min_compressed_bpp(void)
+int intel_dp_dsc_min_src_compressed_bpp(void)
 {
 	/* Min Compressed bpp supported by source is 8 */
 	return 8;
@@ -2475,7 +2475,7 @@ intel_dp_compute_config_link_bpp_limits(struct intel_dp *intel_dp,
 		int dsc_src_min_bpp, dsc_sink_min_bpp, dsc_min_bpp;
 		int dsc_src_max_bpp, dsc_sink_max_bpp, dsc_max_bpp;
 
-		dsc_src_min_bpp = dsc_src_min_compressed_bpp();
+		dsc_src_min_bpp = intel_dp_dsc_min_src_compressed_bpp();
 		dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(crtc_state);
 		dsc_min_bpp = max(dsc_src_min_bpp, dsc_sink_min_bpp);
 		limits->link.min_bpp_x16 = fxp_q4_from_int(dsc_min_bpp);
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index c974e4b97338a..01744f9ccd8fc 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -209,6 +209,7 @@ 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);
+int intel_dp_dsc_min_src_compressed_bpp(void);
 
 int intel_dp_dsc_bpp_step_x16(const struct intel_connector *connector);
 
-- 
2.44.2



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